CN1676749B - Original paper of article-carrying belt and article-carrying belt - Google Patents
Original paper of article-carrying belt and article-carrying belt Download PDFInfo
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- CN1676749B CN1676749B CN 200410045893 CN200410045893A CN1676749B CN 1676749 B CN1676749 B CN 1676749B CN 200410045893 CN200410045893 CN 200410045893 CN 200410045893 A CN200410045893 A CN 200410045893A CN 1676749 B CN1676749 B CN 1676749B
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Abstract
This invention provides carrier tape base paper scarcely causing problems such as clogging of a suction nozzle for taking out an electronic part, etc., from a cavity part without increasing the production cost. The carrier tape base paper is obtained by using pulp fibers as a raw material and forming through-hole-like cavity parts. In the carrier tape base paper, the particle generation coefficient K1 defined by formula K1=0.70(Rn/Ra)+0.10(Cn/Ca)+0.10(Mn/Ma) is <=0.15 (wherein, Rn is the sum value of number of particles based on hand rubbing tests and surface friction tests; Ra is the total surface area of a test specimen; Cn is the number of particles based on cutting tests; Ca is the total area of the cut face of the test specimen; Mn is the number of particles based on the cutting tests and friction tests of the cut face; and Ma is the total area of the contact surface of the test specimen). The test specimen is prepared by slitting the carrier tape base paper into 8 mm*210 mm.
Description
Technical field
The present invention relates to article-carrying belt body paper and article-carrying belt.For example, relate to article-carrying belt and the body paper thereof that is used for when making electronic circuit, carrying used situations such as laminar surface mounting assembly arrival surface mounting apparatus.
Background technology
In the surface mounting technique field that surface mounting assemblies such as electronic unit are directly installed on the circuit substrate surface, use so-called article-carrying belt.Can enumerate like this some patterns for this article-carrying belt: with the article-carrying belt body paper with width 8mm severing (cutting) after, " the punching article-carrying belt " that limit portion that the processing perforation is poroid and die cavity portion obtain; " the embossing article-carrying belt " that the die cavity portion of processing embossing shape obtains in the portion of the poroid limit of processing perforation; Not pre-processed limit portion and die cavity portion, " not punching article-carrying belt " that processing limit portion and die cavity portion obtain before will the discharge capacitor subassembly or the like.
Using the technology of article-carrying belt till install on surfaces such as electronic unit, when using the punching article-carrying belt, in general is so for example:
That is, at first pull out and be wound on the article-carrying belt that keeping is got up on spool and the paper tube etc., in the inside of this article-carrying belt of pulling out, heat-sealing is by the following band that tissue paper constituted of the lamination surface with melted by heating.Like this, die cavity portion bottom surface is sealed.Then,, send into parts and put device (so-called element dispenser device), in die cavity portion, in discharge capacitor subassembly etc., seal up band at the surface heat of article-carrying belt with the article-carrying belt that this die cavity portion bottom surface is sealed.Like this, the top of die cavity portion has also been sealed, and electronic unit etc. are in the state that is enclosed in article-carrying belt inside.The article-carrying belt of above-mentioned inclosure electronic unit is wound up on spool or the paper tube etc., carries.In the carrying destination, after article-carrying belt is pulled out from spool or paper tube etc., peelled off band, and then electronic unit etc. is taken out in die cavity portion by suction nozzle attraction, then with regard to direct surface mounted to the position that substrate is stipulated.
On the other hand, though the material of the also useful plastics of article-carrying belt body paper system as raw material, from have cushioning effect and easily waste treatment etc. what time, still generally with paper pulp fiber as raw material.But if as raw material the paper end can take place with paper pulp fiber, this paper end can cause being used for taking out from die cavity portion the problem of the suction nozzle generation obstruction of electronic unit.Especially, along with the inclosure operation high speed of electronic unit, the friction between article-carrying belt and the various machine aggravates in recent years, thereby the increase of the generating capacity at paper end, and suction nozzle just is more prone to stop up.And because along with the bore of the miniaturization suction nozzle of electronic unit becomes littler, so suction nozzle is more prone to block.
At this point, proposed as the article-carrying belt that is difficult for taking place the paper end, for example, die cavity portion (hole) is embedded in the article-carrying belt (for example with reference to patent documentation 1) that puts cup that is made of synthetic resin, metal, uses the article-carrying belt (for example with reference to patent documentation 2) of surface by the article-carrying belt body paper (base material) of stacked covering of resin sheet.But these article-carrying belts reduce the purpose difference at paper end, do not attempt as the present invention to prevent that suction nozzle from blocking, so poor effect.Certainly, can imagine these article-carrying belts design creativity firmly diligently, also can realize preventing the obstruction of suction nozzle, but these article-carrying belt manufacturing technique are complicated and need synthetic resin and stacked to wait material, so even the successful also cost problem that can raise is in addition gone up in design.
[patent documentation 1] TOHKEMY 2001-315846 communique
[patent documentation 2] Japanese kokai publication hei 9-221192 communique
Summary of the invention
The subject matter that desire of the present invention solves is: provide to be difficult for being used in suction nozzle generation obstructing problem and article-carrying belt body paper and the article-carrying belt that manufacturing cost can not raise that takes out electronic unit etc. from die cavity portion.
The present invention who addresses the above problem is such:
[technical scheme 1 described invention]
A kind of article-carrying belt body paper, adopt the chlorine-free bleaching chemical pulp as raw material, and be processed with the poroid die cavity portion that connects, it is characterized in that, described article-carrying belt body paper is the multilayer flight paper structure that possesses top layer, nexine and middle level, wherein with respect to 100 parts of quality of paper pulp fiber, polyacrylamide is that resin, starch are that resin and fibrous PVA are that the content of at least a medicine in the resin is 1～5 part of quality, described medicine is included in top layer and the nexine, comprise medicine in the middle level, perhaps do not comprise medicine than top layer and the low proportioning of nexine;
Defined dirt COEFFICIENT K 1 of following (a) formula is not more than 0.15;
(a)K1＝0.70(Rn/Ra)+0.10(Cn/Ca)+0.10(Mn/Ma)
Here, it is (individual/m that the Rn diameter that is based on SEMI specification G67-0996 " hand is rubbed test " is not less than the population of 50 μ m
3) and to be not less than the population of 50 μ m based on the diameter of SEMI specification G67-0996 " friction test " (individual/m
3) aggregate value, Ra is the total surface area (mm of test film
2), for this test, test film is the paper slip of 8mm * 210mm that severing (cutting) is got off from the article-carrying belt body paper;
It is (individual/m that " tear with hand and rub test " diameter that obtains that Cn is based on the SEMI specification G67-0996 of correction is not less than the population of 50 μ m
3), revising part and be not adopt and tear and use scissors severing this point, and do not carry out hand and rub this point, Ca is the gross area (mm of test film cutting surface
2), for this test, test film is the paper slip of 8mm * 210mm that severing (cutting) is got off from the article-carrying belt body paper;
It is (individual/m that " tear with hand and rub test " diameter that obtains that Mn is based on the SEMI specification G67-0996 of correction is not less than the population of 50 μ m
3), revise part and be not adopt and tear and use scissors severing this point, this severing is not to be cut into 5 sections but become 6 sections this point, and do not adopt hand to rub, and its cutting surface is piled up at grade per 3 of the test film that severing is got off, the cutting surface of an overlap test sheet is contacted with the cutting surface of another one overlap test sheet, and with the method mutually mutual friction this point same with above-mentioned " friction test ", Ma is the gross area (mm of test film bearing surface
2), for this test, test film also is the paper slip of 8mm * 210mm that severing (cutting) is got off from the article-carrying belt body paper, with 3 of this test films, is split into 6 with scissors from separately mid portion severing.
[technical scheme 2 described inventions]
A kind of article-carrying belt body paper, adopt the chlorine-free bleaching chemical pulp as raw material, and be processed with the die cavity portion of embossing shape, it is characterized in that, described article-carrying belt body paper is the multilayer flight paper structure that possesses top layer, nexine and middle level, wherein with respect to 100 parts of quality of paper pulp fiber, polyacrylamide is that resin, starch are that resin and fibrous PVA are that the content of at least a medicine in the resin is 1～5 part of quality, described medicine is included in top layer and the nexine, comprise medicine in the middle level, perhaps do not comprise medicine than top layer and the low proportioning of nexine;
Defined dirt COEFFICIENT K 2 of following (b) formula is not more than 0.15;
(b)K2＝0.72(Rn/Ra)+0.01(Cn/Ca)+0.10(Mn/Ma)
Here, Rn, Ra, Cn, Ca, Mn and Ma are identical with claim 1.
[technical scheme 3 described inventions]
For adopting paper pulp fiber as raw material, and be processed with the article-carrying belt body paper that connects poroid die cavity portion, it is characterized in that, at least to allocate polyacrylamide into be that resin, starch are a kind of in resin, the fibrous PVA resin copying the paper stage, and defined dirt COEFFICIENT K 1 of following (a) formula is not more than 0.15.
(a)K1＝0.70(Rn/Ra)+0.10(Cn/Ca)+0.10(Mn/Ma)
Here, Rn, Ra, Cn, Ca, Mn and Ma are identical with technical scheme 1.
[technical scheme 4 described inventions]
For adopting paper pulp fiber as raw material, and be processed with the article-carrying belt body paper of the die cavity portion of embossing, it is characterized in that, at least to allocate polyacrylamide into be that resin, starch are a kind of in resin, the fibrous PVA resin copying the paper stage, and defined dirt COEFFICIENT K 2 of following (b) formula is not more than 0.15.
(b)K2＝0.72(Rn/Ra)+0.01(Cn/Ca)+0.10(Mn/Ma)
Here, Rn, Ra, Cn, Ca, Mn and Ma are identical with technical scheme 1.
[technical scheme 5 described inventions]
For adopting paper pulp fiber as raw material, and be processed with the article-carrying belt body paper that connects poroid die cavity portion, it is characterized in that, at least to allocate polyacrylamide into be that resin, starch are a kind of in resin, the fibrous PVA resin copying the paper stage, and the cold water extraction based on JIS P 8133 is pH4.5～7.5, and defined dirt COEFFICIENT K 1 of following (a) formula is not more than 0.15.
(a)K1＝0.70(Rn/Ra)+0.10(Cn/Ca)+0.10(Mn/Ma)
Here, Rn, Ra, Cn, Ca, Mn and Ma are identical with technical scheme 1.
[technical scheme 6 described inventions]
For adopting paper pulp fiber as raw material, and be processed with the article-carrying belt body paper of the die cavity portion of embossing, it is characterized in that, at least to allocate polyacrylamide into be that resin, starch are a kind of in resin, the fibrous PVA resin copying the paper stage, and the cold water extraction based on JIS P 8133 is pH4.5～7.5, and defined dirt COEFFICIENT K 2 of following (b) formula is not more than 0.15.
(b)K2＝0.72(Rn/Ra)+0.01(Cn/Ca)+0.10(Mn/Ma)
Here, Rn, Ra, Cn, Ca, Mn and Ma are identical with technical scheme 1.
[technical scheme 7 described inventions]
Use chlorine-free bleaching chemical pulp, each described article-carrying belt body paper in the technical scheme 3～6.
[technical scheme 8 described inventions]
With the article-carrying belt that is feature of each described article-carrying belt body paper in the raw material operation technique scheme 1～7.
[effect of invention]
Based on the present invention, obtained the very difficult suction nozzle obstructing problem and article-carrying belt body paper and the article-carrying belt that manufacturing cost can not raise that is used for taking out electronic unit etc. from die cavity portion.
The specific embodiment
The following describes embodiments of the present invention.
[article-carrying belt body paper]
The article-carrying belt body paper of this example is characterized in that, is raw material with the paper pulp fiber, and is processed with the poroid die cavity portion that connects, and the dirt COEFFICIENT K 1 of sending out that is defined by following (a) formula is not more than 0.15; Perhaps, be raw material with the paper pulp fiber, and be processed with the die cavity portion of embossing shape that the dirt COEFFICIENT K 2 of sending out that is defined by following (b) formula is not more than 0.15.
(a)K1＝0.70(Rn/Ra)+0.10(Cn/Ca)+0.10(Mn/Ma)
(b)K2＝0.72(Rn/Ra)+0.01(Cn/Ca)+0.10(Mn/Ma)
Here, it is (individual/m that Rn " hand is rubbed test " diameter that obtains of being based on SEMI specification G67-0996 is not less than the population of 50 μ m
3) and to be not less than the population of 50 μ m based on the diameter that " friction test " of SEMI specification G67-0996 obtains (individual/m
3) aggregate value of gained.Ra is the total surface area (mm of test film
2).For this test, test film is the paper slip of 8mm * 210mm that severing (cutting) is got off from the article-carrying belt body paper.
Cn is based on diameter that the test of " tear with hand and rub test " of revising SEMI specification G67-0996 obtains, and to be not less than the population of 50 μ m (individual/m
3).Revise part and be not adopt and tear and use scissors severing this point, and do not carry out hand and rub this point.Ca is the gross area (mm of test film cutting surface
2).For this test, test film is the paper slip of 8mm * 210mm that severing (cutting) is got off from the article-carrying belt body paper.
Mn is based on diameter that the test of " tear with hand and rub test " of repairing SEMI specification G67-0996 obtains, and to be not less than the population of 50 μ m (individual/m
3).Revise part and be and do not adopt that to tear and use scissors severing this point, this severing be not to be cut into 5 sections but become 6 sections this point, and do not adopt hand to rub, and its cutting surface is piled up at grade per 3 of the test film that severing is got off, the cutting surface of an overlap test sheet is contacted with the cutting surface of another one overlap test sheet, with above-mentioned " friction test " same method this point of mutual friction mutually.Ma is the gross area (mm of test film bearing surface
2).For this test, test film also is the paper slip of 8mm * 210mm that severing (cutting) is got off from the article-carrying belt body paper.With 3 of this test films, be split into 6 from separately mid portion severing with scissors.
As mentioned above, if use the raw material of paper pulp fiber, then can produce the paper end, the problem that this paper end can cause suction nozzle to block as the article-carrying belt body paper.So origin cause of formation of the at first clear and definite paper of present inventors end generation; Clearly this origin cause of formation can be avoided under which kind of state of article-carrying belt body paper; At last clearly for reaching this state, which raw material concrete article-carrying belt body paper adopts for well, and how perhaps various raw materials are allocated into to good.
At first, present inventors think that the origin cause of formation that the paper end takes place is, the punching processing of carrying out when (A) processing die cavity portion; Perhaps (B) rolls up upper winding shaft or paper tube pulls out from spool or paper tube again repeatedly, makes it be in the state of rubbing; Perhaps (C) when the inclosure operation of electronic unit etc. or transport operation etc., and the various roller bearings made such as metal, rubber or the friction between the device; Going up the tension of band when perhaps install on (D) surface peels off.
The origin cause of formation (A) is based on the so-called punching processing of severing, and when carrying waits die cavity portion by on band and being with down be closed, paper end does not wherein change, so think the easy-suffering level of the origin cause of formation (A), can determine by " destructive test " of article-carrying belt body paper, and test.Particularly,, taked not adopt and torn and use the scissors severing and do not carry out the correction that hand is rubbed " tear with hand and rub test " of SEMI specification G67-0996, (individual/m based on the population that this correction test determination diameter is not less than 50 μ m
3), and in order to eliminate the caused error of die cavity portion size, with its gross area (mm divided by the test film cutting surface
2).Why the particle of determination object is defined as diameter and is not less than 50 μ m's, even be because suction nozzle front end bore today of having realized miniaturization, its diameter still roughly is not less than 100 μ m, and it is very little that the particle of diameter less than 50 μ m becomes the possibility of blocking reason.And in following other test, the particle of determination object being defined as diameter being not less than 50 μ m, also is because same reason.
Because the origin cause of formation (B) is based on the situation that is in the state of rubbing,, can determine by " rubbing test " of article-carrying belt body paper so think the easy-suffering level of the origin cause of formation (B).Especially, the article-carrying belt body paper is in when rubbing state, each position of each position and other mutual friction mutually on its surface, perhaps with roller bearing or conveying equipment friction (origin cause of formation (C)), so think in " rubbing test ", " friction test " of carrying out the article-carrying belt body paper be for well, and test.Particularly, measuring diameter based on SEMI specification G67-0996 " hand is rubbed test ", to be not less than the population of 50 μ m (individual/m
3), simultaneously measuring diameter based on SEMI specification G67-0996 " friction test ", to be not less than the population of 50 μ m (individual/m
3), then in order to remove the error that the test film size causes, again with the surface area (mm of last two aggregate value divided by test film
2).
Because the origin cause of formation (C) can be described as about the face of the severing of having carried out so-called cutting processing, so think outside above-mentioned, " friction test " of carrying out " the severing test " of article-carrying belt body paper and this cutting surface be for well, and test.Particularly, " tear with hand and rub test " for SEMI specification G67-0996, done following correction: do not adopt that to tear and use scissors severing, this severing be not to be cut into 5 sections but become 6 sections (3 of test films are split into 6 with scissors from separately mid portion severing.), and do not adopt hand to rub, and its cutting surface is piled up at grade per 3 of the test film that severing is got off, make the cutting surface of an overlap test sheet then, contact with the cutting surface of another one overlap test sheet, with the method mutually mutual friction same with above-mentioned " friction test "; Revise test based on this, measuring diameter, to be not less than the population of 50 μ m (individual/m
3), then in order to remove the error that the contact-making surface size causes, again divided by the gross area (mm of test film contact-making surface
2).
The origin cause of formation as the generation of paper end, remove above-mentioned, also considered the origin cause of formation (D), but owing to take out the action of electronic unit etc. from die cavity portion by suction nozzle, after being stripped from, last band carries out immediately, so, be in aerial floating state and be present in die cavity portion and periphery just seldom a little owing to tension is peeled off the paper end that produces, therefore think that its possibility that becomes the reason of blocking suction nozzle is very little, do not consider as a factor.
When carrying out above test, test film is the paper slip that becomes 8mm * 210mm to obtain article-carrying belt body paper severing (cutting).It is because the width of the article-carrying belt that uses in the reality is 8mm that width is decided to be 8mm, considers and gets the cause that same width can bring more correct result.Length is got 210mm, is because if the cause that the too short various tests of words, particularly " hand is rubbed test " just can not correctly be carried out.
Then, present inventors, value for clear and definite above method mensuration, be that Rn/Ra, Cn/Ca and Mn/Ma have great influence to the suction nozzle obstruction separately, having prepared different separately a large amount of article-carrying belt body paper and the bores of these values is the suction nozzle of 300 μ m, through after above-mentioned each technology, investigate amount and the above-mentioned respectively dependency relation of value (Rn/Ra, Cn/Ca and Mn/Ma) that the particle diameter that sucks by suction nozzle is not less than the paper end of 50 μ m.
From the dependency relation that obtains, present inventors find that the soakage that increases the paper end along with above-mentioned Rn/Ra also increases sharply, even and the recruitment at the value of above-mentioned Cn/Ca and Mn/Ma increase paper end neither be so much.Especially, when the article-carrying belt body paper was used as the embossing article-carrying belt, the influence that (in the nature of things) above-mentioned Cn/Ca brings was almost all eliminated.Just the influence of the value of Rn/Ra at this moment has some increases.This can think since down the part that do not touched of band make the surface area of article-carrying belt body paper increase, be more prone to produce by rubbing and the cause at the paper end that caused of rubbing.Based on above some, present inventors are for the situation that the article-carrying belt body paper is used as punching article-carrying belt (P), the coefficient of setting the Rn/Ra value is 0.70, the coefficient of Cn/Ca value is 0.10, the coefficient of Mn/Ma value is 0.10; For the situation that the article-carrying belt body paper is used as embossing article-carrying belt (E), the coefficient of setting the Rn/Ra value is 0.72, the coefficient of Cn/Ca value is 0.01, the coefficient of Mn/Ma value is 0.10.
Then, present inventors have prepared the suction nozzle of various article-carrying belts and bore (diameter) 100 μ m, and suction nozzle blocks easily when having tested sending out dirt COEFFICIENT K 1 and K2 and why being worth of calculating in according to above-mentioned formula of deciding (a) and formula (b).
From result of the test, present inventors recognize, with still embossing article-carrying belt (E) is irrelevant as punching article-carrying belt (P), if send out the dirt COEFFICIENT K 1, K2 of article-carrying belt body paper are not more than 0.15 (state), suction nozzle is difficult for blocking.About this test, will be illustrated by the embodiment of back.
Below, the manufacture method of article-carrying belt body paper discussed above is described, clear and definite said article-carrying belt body paper with which kind of raw material, how to allocate into and can reach above-mentioned state.
At first, as the raw material of article-carrying belt body paper, can use from suitable one or more of following column selection.Wood pulp for example, non-wood pulp, synthetic paper-pulp, old paper paper pulp or the like, ground wood pulp (GP) is arranged specifically, Stone Ground Wood (SGP), chip groundwood (RGP), pressure ground wood pulp (PGW), preheating method chip groundwood (TMP), preimpregnation preheating chip groundwood (CTMP), bleaching preimpregnation preheating chip groundwood mechanical pulps (MP) such as (BCTMP), chemimechanical pulp (CGP), semichemical wood pulp (SCP), kraft pulp (KP), soda pulps (AP), sulfite cellulose (SP), the chemical pulp (CP) of dissolving pulp (DP) etc., de inked pulp (DIP), waste material paper pulp old paper paper pulp such as (WP), waste product paper pulp (TP), cotton, flax, fiber crops, jute, abaca, ramies etc. are as the rag stock of raw material, yellow pulp, Spain's paper pulp, bagasse pulp, bamboo pulp, the cane paper pulp of bluish dogbane paper pulp etc., the auxiliary pulp of leather paper pulp etc.But from the viewpoint to the influence of surface mounting assembly, filler is few more good more, and therefore the old paper paper pulp of than de inked pulp (DIP), waste material paper pulp (WP) etc. preferably uses original paper pulp.
The article-carrying belt body paper both can be one deck, also can be 2 layers, 3 layers, 4 layers or more multi-layered.But, from the viewpoint of sending out dirt of control truncation surface part, preferably multilayer (copying paper).If copy into multilayer, then can add to top layer and nexine having in the medicine of sending out dirt inhibition effect, and also can with than top layer and nexine low allocate in add in the middle level, or do not add etc. and to control.
As having the system paper medicine of sending out dirt inhibition effect, can be the medicine of combination between the enhancing paper pulp fiber of resin, oxidized starch, cationic starch, polyamide polyamine, chloropropylene oxide, melamine resin, fibrous PVA etc. from for example polyacrylamide, select a kind of or two or more the use aptly.But, from determining to avoiding corroding the viewpoint of the electronic unit that die cavity portion put, be that resin, starch are resin or the fibrous PVA resin preferably from using the polyacrylamide that just can obtain effect on a small quantity, select a kind of or two or more the use aptly, and these medicines are allocated better copying the paper stage into.Have the system paper medicine of sending out dirt inhibition effect, except that in insert the raw material, can also copying paper after, use brushing or immersion (outside add), still preferably add in the use.Using afterwards because the article-carrying belt body paper is cutting, must be homogeneous so send out dirt for the arbitrary plane position, if medicine can not soak into by homogeneous, the dirt difference is sent out in different plan-positions when adding outward, especially can be influential to a dirt of cutting surface.
For 100 parts of quality of paper pulp fiber, have the system paper of sending out dirt inhibition effect addition with medicine, preferably select for use 1 part of quality above to 5 parts below the quality, wherein 3 parts of quality are above better below the quality to 4 parts.Increasing a dirt inhibition effect with addition can improve, even if but drop into 5 parts more than the quality, arrived the limit because of sending out a dirt inhibition effect, only can bring relatively poor economy.And can become the reason of paper making industry internal contamination.
Have the interpolation of the system paper of sending out dirt inhibition effect, preferably can make cold water extraction based on the JIS P 8133 of article-carrying belt body paper for PH4.5 or more than it, PH5 or better more than it with medicine.Send out dirt inhibition medicine if add, PH has the tendency of decline; The addition of medicine too much causes the cold water of article-carrying belt body paper to extract into the acidity of not enough PH4.5, and the electronic unit of enclosing article-carrying belt etc. is got rusty.Particularly point out, the article-carrying belt body paper does not surpass necessity of PH7.5 based on the cold water extraction of JIS P 8133.If surpass PH7.5, need to add the PH adjusting again and use medicine, not only cause the rising of cost, also can have destruction to copying the paper utensil.
As raw material paper pulp, if use the chlorine-free bleaching chemical pulp, then can reduce the addition that the system paper with dirt inhibition effect is used medicine, more satisfactory.
[article-carrying belt]
The article-carrying belt of this example is the article-carrying belt body paper from above-mentioned explanation, cut into the band shape of wide 8mm, be processed with the poroid die cavity portion of a plurality of perforations and connect poroid limit portion with certain interval at length direction, perhaps the die cavity portion of embossing shape and the poroid marginal portion of perforation.The shape of die cavity portion and limit portion, at interval, processing method etc., be not particularly limited, can use well-known method.
[embodiment 1]
Below, by the distinct effect of the present invention of explanation embodiment.Certainly, do not limit the meaning that the present invention is exactly a this appearance of following examples.In addition, for following embodiment, as long as do not specify, " part " and " % " means the meaning of " part quality " and " quality % " respectively, and " kg/t " is the meaning of the amount (kg) of every paper pulp ton.
[test example 1]
For superficial layer and the inside layer, with coniferous tree bleached kraft pulp (NBKP) 50%, bleached hardwood kraft pulp (LBKP) 50% slurries that constituted, be adjusted to canadian standard freeness (CSF) 450ml respectively, add PAM (HARIMA changes into Co., Ltd.'s system, Ha one マ イ De B-15) 1kg/t again as raw material.For the intermediate layer, the slurries with NBKP25%, LBKP20%, first-class old paper stock 50% are constituted are adjusted to CSF450ml, 350ml, 350ml respectively, add PAM (HARIMA changes into Co., Ltd.'s system, Ha one マ イ De B-15) 2kg/t as raw material in again.By cylinder multilayer paper machine it is copied into 5 layers of structure then, with brushing amount 0.5g/m
2Brushing PVA (Japanese synthetic chemistry Co., Ltd. system, go one セ ノ one Le N300) obtains the article-carrying belt body paper.
200 of the test films that utilizes the article-carrying belt body paper obtain like this to make to cut down with the 8mm width.According to 5 in 200 of the gained test films, obtain the average of Rn value, Cn value, Mn value, K1 value (sending out the dirt coefficient), K2 value (a dirt coefficient).K1 value and K2 value are calculated paper thickness during as certain value.
For remaining 195, processing connects poroid limit portion (diameter 1.5mm) and perforation is poroid or (0.65 * 1.15mm) one ten thousand in the die cavity portion of embossing shape; If it is poroid that die cavity portion connects, then stick down band (200 ℃ heat-sealings), obtain article-carrying belt.
Each article-carrying belt of practical application gained, investigation has or not the obstruction of suction nozzle (bore (diameter) 100 μ m).Metewand is: the article-carrying belt that causes blocking is designated as ◎ below 1, is not more than 5 more than one and is designated as zero, surpass 5 to be designated as *.Obtain the result of table 1." P " expression punching article-carrying belt in the table, " E " expression embossing article-carrying belt.
[test example 2～9]
Change raw material paper pulp, in add having or not of the having or not of medicine, kind, amount and external coating, carry out and test 1 same test." K " in the table, expression cationic starch (Japan Food Chemical Co., Ltd's system, ネ オ タ Star Network 40T).
The obstruction of sending out dirt COEFFICIENT K 1 and K2 and suction nozzle as can be seen from Table 1 has dependency relation; If send out the dirt coefficient below 0.15, can prevent the obstruction of suction nozzle.Certainly, this test example does not need raw materials such as synthetic resin, stacked, so do not improve manufacturing cost yet.
Claims (3)
1. article-carrying belt body paper, adopt the chlorine-free bleaching chemical pulp as raw material, and be processed with the poroid die cavity portion that connects, it is characterized in that, described article-carrying belt body paper is for possessing the top layer, the multilayer flight paper structure in nexine and middle level, wherein with respect to 100 parts of quality of paper pulp fiber, polyacrylamide is a resin, starch is that resin and fibrous PVA are that the content of at least a medicine in the resin is 1～5 part of quality, and the cold water extraction based on JIS P 8133 is pH4.5～7.5, described medicine is included in top layer and the nexine, comprise medicine in the middle level, perhaps do not comprise medicine than top layer and the low proportioning of nexine;
Defined dirt COEFFICIENT K 1 of following (a) formula is not more than 0.15;
(a)K1＝0.70(Rn/Ra)+0.10(Cn/Ca)+0.10(Mn/Ma)
Here, Rn is based on the aggregate value that SEMI specification G67-0996's the diameter of " hand is rubbed test " is not less than the population of 50 μ m and is not less than the population of 50 μ m based on the diameter of SEMI specification G67-0996 " friction test ", Ra is the total surface area of test film, for this test, test film is the paper slip of 8mm * 210mm that severing is got off from the article-carrying belt body paper;
" tear with hand and rub test " diameter that obtains that Cn is based on the SEMI specification G67-0996 of correction is not less than the population of 50 μ m, revise part and be not adopt and tear and use scissors severing this point, and do not carry out hand and rub this point, Ca is the gross area of test film cutting surface, for this test, test film is the paper slip of 8mm * 210mm that severing is got off from the article-carrying belt body paper;
" tear with hand and rub test " diameter that obtains that Mn is based on the SEMI specification G67-0996 of correction is not less than the population of 50 μ m, revise part and be not adopt and tear and use scissors severing this point, this severing is not to be cut into 5 sections but become 6 sections this point, and do not adopt hand to rub, and its cutting surface is piled up at grade per 3 of the test film that severing is got off, the cutting surface of an overlap test sheet is contacted with the cutting surface of another one overlap test sheet, with the method mutually mutual friction this point same with above-mentioned " friction test ", Ma is the gross area of test film bearing surface, for this test, test film also is the paper slip of 8mm * 210mm that severing is got off from the article-carrying belt body paper, with 3 of this test films, be split into 6 with scissors from separately mid portion severing
Wherein, the unit of above-mentioned population is " individual/m
3", the unit of area is " mm
2".
2. article-carrying belt body paper, adopt the chlorine-free bleaching chemical pulp as raw material, and be processed with the die cavity portion of embossing shape, it is characterized in that, described article-carrying belt body paper is for possessing the top layer, the multilayer flight paper structure in nexine and middle level, wherein with respect to 100 parts of quality of paper pulp fiber, polyacrylamide is a resin, starch is that resin and fibrous PVA are that the content of at least a medicine in the resin is 1～5 part of quality, and the cold water extraction based on JIS P 8133 is pH4.5～7.5, described medicine is included in top layer and the nexine, comprise medicine in the middle level, perhaps do not comprise medicine than top layer and the low proportioning of nexine;
Defined dirt COEFFICIENT K 2 of following (b) formula is not more than 0.15;
(b)K2＝0.72(Rn/Ra)+0.01(Cn/Ca)+0.10(Mn/Ma)
Here, Rn, Ra, Cn, Ca, Mn and Ma are identical with claim 1.
3. an article-carrying belt is characterized in that, is raw material with claim 1 or 2 described article-carrying belt body paper.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP102009/2004 | 2004-03-31 | ||
| JP2004102009A JP4576144B2 (en) | 2004-03-31 | 2004-03-31 | Carrier tape base paper and carrier tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1676749A CN1676749A (en) | 2005-10-05 |
| CN1676749B true CN1676749B (en) | 2010-12-15 |
Family
ID=35049470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410045893 Expired - Fee Related CN1676749B (en) | 2004-03-31 | 2004-05-25 | Original paper of article-carrying belt and article-carrying belt |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4576144B2 (en) |
| CN (1) | CN1676749B (en) |
| TW (1) | TW200531895A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101531458B1 (en) * | 2012-03-12 | 2015-06-24 | 저장 지에메이 일렉트로닉 & 테크놀로지 컴퍼니 리미티드 | Carrier-tape base paper making method and base paper made thereby |
| JP5837676B1 (en) * | 2014-12-26 | 2015-12-24 | 大王製紙株式会社 | Press pocket type carrier tape |
| JP5957586B2 (en) * | 2015-09-14 | 2016-07-27 | 大王製紙株式会社 | Press pocket type carrier tape |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405874A (en) * | 2001-08-08 | 2003-03-26 | 王子制纸株式会社 | Paper base material for receiving base band of chip electronic element and base band using said paper base material |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09170198A (en) * | 1995-12-18 | 1997-06-30 | Lintec Corp | Interleaving paper for glass |
| JP2000043975A (en) * | 1998-07-24 | 2000-02-15 | Oji Paper Co Ltd | Carrier tape for chip-shaped electronic components |
| JP3803206B2 (en) * | 1999-03-31 | 2006-08-02 | 日本製紙株式会社 | Low dust generation paper |
| JP3289244B2 (en) * | 2001-04-13 | 2002-06-04 | 北越製紙株式会社 | Carrier tape mount for chip-shaped electronic components |
| JP3268522B2 (en) * | 2001-04-24 | 2002-03-25 | 北越製紙株式会社 | Carrier tape paper for electronic components |
| JP3782953B2 (en) * | 2001-08-07 | 2006-06-07 | 大王製紙株式会社 | Carrier tape material and carrier tape |
| JP2003095320A (en) * | 2001-09-25 | 2003-04-03 | Oji Paper Co Ltd | Carrier tape base paper for chip-shaped electronic components |
| JP3782978B2 (en) * | 2002-03-28 | 2006-06-07 | 大王製紙株式会社 | Carrier tape material and carrier tape |
| JP2004067222A (en) * | 2002-08-09 | 2004-03-04 | Oji Paper Co Ltd | Chip-type electronic component storage board |
-
2004
- 2004-03-31 JP JP2004102009A patent/JP4576144B2/en not_active Expired - Fee Related
- 2004-04-23 TW TW93111400A patent/TW200531895A/en not_active IP Right Cessation
- 2004-05-25 CN CN 200410045893 patent/CN1676749B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405874A (en) * | 2001-08-08 | 2003-03-26 | 王子制纸株式会社 | Paper base material for receiving base band of chip electronic element and base band using said paper base material |
Non-Patent Citations (4)
| Title |
|---|
| JP特开2002-46769A 2002.02.12 |
| JP特开2002-53195A 2002.02.19 |
| JP特开2003-137386A 2003.05.14 |
| JP特开平3-249300A 1991.11.07 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1676749A (en) | 2005-10-05 |
| JP4576144B2 (en) | 2010-11-04 |
| JP2005281937A (en) | 2005-10-13 |
| TWI324120B (en) | 2010-05-01 |
| TW200531895A (en) | 2005-10-01 |
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