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DE1472923A1 - Process for making screened electrophotographic plates - Google Patents

Process for making screened electrophotographic plates

Info

Publication number
DE1472923A1
DE1472923A1 DE19621472923 DE1472923A DE1472923A1 DE 1472923 A1 DE1472923 A1 DE 1472923A1 DE 19621472923 DE19621472923 DE 19621472923 DE 1472923 A DE1472923 A DE 1472923A DE 1472923 A1 DE1472923 A1 DE 1472923A1
Authority
DE
Germany
Prior art keywords
layer
electrophotographic plates
screened
making
ät3b
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE19621472923
Other languages
German (de)
Inventor
Wunderlich Dipl-Phys Peter
Seliger Dipl-Phys Walter
Winfried Werner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elbe Kamera GmbH
Original Assignee
Elbe Kamera GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Elbe Kamera GmbH filed Critical Elbe Kamera GmbH
Publication of DE1472923A1 publication Critical patent/DE1472923A1/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02Charge-receiving layers
    • G03G5/04Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/08Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being inorganic
    • G03G5/082Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being inorganic and not being incorporated in a bonding material, e.g. vacuum deposited
    • G03G5/08207Selenium-based

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Description

Ve,rfstleon zur _.huehan Matten Die vcrl ieendarfi._-@ ber:Lrft e t n f:3r£aI-)r :n zur ü:-zHfel.lw15 von garF.slortt. e_Z^@troj:hc@'@ak,x@Ssö?an s1-atten! bel deren nint@,,rß; rilaof'ter j3114ier dor 'deffe2t;r doll, der #r3''fL>tt . cr. @.=.re.a@:@-@@lakJx@ 'r@rs @;roE:u ec!ir,n:s%ir@ s czL@@rn@ der @'te r@ririe@ e@oatrvph@@ogrepilfe@cä@:@ @.'nüalo@: un@e@rfshx@ w::rer. zu (rlnel#die !2u:.' Va:I "#lOteritlftlr;7rtdtt!.-iten F':Ipr .@@.cheh 'ctt@@=.:ials@ bleiben f#P-i1eri unßo- znhii'iirztu 1..r! die-,0 @T:t;C@t@li1!yt@lriZ.x"ir@ll@"'!33 l:1`4@'°!@@t!? zur P.rzeuunn3 voe 4aIbtonb21dern verweade$ L11 kannen '.1.t1{ 1:T e Nora e' % nda@t Ze@.i z'.xsaxxr nhan P -.E@ i. 3c; @@et@. dem -ari t u_#)t'i rtl hl.1 d ur@c@ 3em `@r@#.r'xt@:@JaIWI@I hg:'_5a@:@;o@@1@n, r@ha@:@@n. 1r, den ='d.äc@Ffn ,,. -, _, -,.. -#itd,#r @*c?r@`r@-..-LC-, R@ntor@r@a@haße @e1c'.'@.ji'h@@uorc@@.@attcn @^:c=u:,t @:@eretN@tN Zu diesem Zwecke ist es bekannt, den Schicht träger der eleit-- trophotogxaphlseshen platte mechanieeh au rastern. Das Strich- ratoter wird duroh Ritzen des Schichtträgers mit einem beson- doren Stahl unter beatiavetem Schn.ütwinkel hergestellt. -Des weiteren ist ein Verfahren bekannt f bei welchem optisch ge- rastert wird, indem man dem Bild der Vorlage ein aagterbi ; - .überlagert bzw" rndt dem Rasterbild eins Vor- oder wachbelieh-- tung durohführt. Ea ist auch bekann.t. CSU SQ@k@ttt fr`Pyßi.' 2Vf1@C@1$ eia'1 CBine* R0$'@Hrtl@tt@Grls @@L@ZUTötdn brr, auf'ZUkl.Pfzen. Ai#f den dfeƒer A..t präpaiiert@@ ScsL:ch:zrdger wird dann In einer weiteren @:nda5 Mate@ri@1 @uf@,ebraah;,. Pen bek"tntaai ';erfuhren irrt genaineaw, sie vor da:,s Ac:f- krise-en der ;@a@tanchiaht einer schwierigen rräparafiion des SC h. okti1°tio, ergi tid edz dar -Ältmw=fu.g _n pt i. 5 ot: e! F R3nrtotsxaen becc@°@irtera. Dies ebßr-falle mit Rasternetz- Werk #rsrsrshenen bik;3natan platten :iur @aylear,@io-£feru-hellc:r_ s@nci gar ;ia,3k@@;ezn,i.r:@@nz°r@ ungeieignat. i.tißf;abs der r.ri"s.a@:cz:; In t es, ein @rer@.r@; a@ wn:@ Rauiarunp vt> .7 ele:ktrv@hotos;r@@rs@he;1 al,:@tt?n für zu gLhar- teeeA, .voxohes tj@t#3e.: vinor 2tZipir.-tion dße @t:!rio@i@t.i"@ @eai-e nach ei-nriolaun @odart@ , r:asn Sch:.ch`.:':xi,°;er :si* :-.rtei-ener ebener Z3r- w@@.#.@tth'!ixs:;e:@c@#@ @Yto-o@@@:;.te:n3a ;>ß;@^oa3."zYvh@ ;Grit per_io@itsc"m: ..n uni Versug-eweiee wird, 'die ßelaneahieM aufgedt*Pfi. Zar Duroh%hrtete* deh vbrfätwans dient eine Raeterreobeblane, atie während des Agf- . daerplpröstsses in geringem Abstand wm Schichtträger ange M mt ist .uxnd alcö, dadurab auf dem Triiger abbildet, E4 besteht j odooü "' isWä. die .Wgliohiueit, die Paatersab*blom aus @ioendrafagrsb@e . - etiteh auf deM Sabiehtträger :o arretieren add *im S'et.. .beäampfmeg d40 -Sofixiahtträgers durogretül@ren, an Kelche elob -dann eine weitere bedampfung obre gaaterrto&ablone anschließt., Dit, grfindong wird an HaM der scheraAisnben uaiohneriochen Dbretellaagen nachstehend erlb»tsrt. 'Gweoke raeterfrirmigon 8ed ampfene eI ne e Sahieht trbgors 1 ward gemäß Fi g, i ansaee Rückseite ein %gnet 2 nngeordiA, der eine Raeterechabxone 3 reit geringere Abelabd auf dem SoUohtträger 1 arretiert, Dieser Anordnung gegenüber steht el.ne - gedampi%Mgequelle ß. Nach U-- endigcctg der Bedampfung wird die Rretersohablone 3 rroo rieh Scohichttrbger 1 getrennt, so dsß eine elekeregbotegle@phisclle Platte mit einen in Fig. Z dargestellten Oberflächenprofil der photoleitfähigen 3ohicht 5 entsteht. Dis Auufledvug der Platte kann nutz in biehe*ekter b*l» vorgenommen werden. infolge der periodisch unterechiedlioken Dicke der plrvotoleitfähigon Schicht 5 wird kein über die giaaMe Oberfläehs konstantes Potential ereeugt, smdern *a mtetebi ein Poren tielraster, dessen Amplitude bei oaahfo«Igenaer Belichtung belioktnrrge.- abhängi g herabgesetzt wird. Dieter beliahtu,r@.6eagigs Abbau des Pr'teatio.faetere fUbd. daß große dunkle Flächen das aufgenommenen Gegenstandes in gewünschter weise auch als dunkle Plächen bildmäßig wiedergegeben werden. Das Oberflächenprofil der photoleitfähigen Schicht kante außer der beschriebenen Aufdampfimethode Z.B. euch durch Aufspritzen der Selenscbicht in einer irterten Atmospbäre oder. mittels eines Atzverfahrens erzeugt werden. Ve, rf s tleon to _.huehan mats The vcrl ieendarfi ._- @ ber: Lrft etnf: 3r £ aI-) r: n zur ü: -zHfel.lw15 from garF.slortt. e_Z ^ @ troj: hc @ '@ ak, x @ Ssö? an s1-a t th! bel their nint @ ,, rß; rilaof'ter j3114ier dor 'deffe2t; r doll, the #r 3``fL> tt. cr. @. =. re.a @: @ - @@ lakJx @ 'r @ rs @; roE: u ec! ir, n: s% ir @ s czL @@ rn @ the @ 'te r @ ririe @ e @ oatrvph @@ ogrepilfe @ cä @: @ @.' nüalo @: un @ e @ rfshx @ w :: rer. zu (rlnel # die! 2u :. 'Va: I "#lOteritlftlr; 7rtdtt! .- iten F ': Ipr. @@. Cheh' ctt @@ = .: ials @ stay f # P-i1eri unßo- znhii'iirztu 1..r! die-, 0 @T: t; C @ t @ li1! yt@lriZ.x "ir @ ll @"'! 33 l: 1`4 @' °! @@ t !? to the P.rzeuunn3 voe 4aIbtonb21dern use e $ L11 can '.1.t1 {1: T e Nora e '% nda @ t Ze @ .i z'.xsaxxr nhan P -.E @ i. 3c; @@ et @. dem -ari t u _ #) t'i rtl hl.1 d ur @ c @ 3em `@r @ #. r'xt @: @ JaIWI @ I hg: '_ 5a @: @; o @@ 1 @ n, r @ ha @: @@ n. 1r, den ='d.äc@Ffn ,,. -, _, -, .. - # itd, # r @ * c? r @ `r @ -..- LC-, R @ ntor @ r @ a @ hate @ e1c '.' @. ji'h @@ uorc @@. @ attcn @ ^: c = u:, t @: @ eretN @ tN For this purpose it is known to use the layer bearer of the eleit- trophotogxaphlseshen plate mechanieeh au raster. The line Ratoter is achieved by scratching the substrate with a special doren steel manufactured under a beatiavetem cutting angle. -Of further a method is known f in which optically rasterizes is, by the image of the template aagterbi; - .overlaid or rnds the raster image one in front of or behind the screen tung duroh leads. Ea is also known. t. CSU SQ @ k @ ttt fr`Pyßi. ' 2Vf1 @ C @ 1 $ eia'1 CBine * R0 $ '@ Hrtl @ tt @ Grls @@ L @ ZUTötdn brr, auf'ZUkl.Pfzen. Ai # f den dfeƒer A..t prepaiiert @@ ScsL: ch: zrdger is then in a further @: nda5 Mate @ ri @ 1 @ uf @, ebraah;,. Pen bek "t ntaai '; learned erroneous genaineaw, they before there:, s Ac: f- crises of; @ a @ tanchiaht a difficult rräparafiion of NS. octi1 ° tio, ergi tid edz dar - Äl t mw = fu.g _n pt i. 5 ot: e! F. R3nrtotsxaen becc @ ° @ irtera. This ebßr case with grid network Work #rsrsrshenen bik; 3natan plates: iur @ aylear, @ io- £ feru-hellc: r_ s @ nci gar; ia, 3k @@; ezn, ir: @@ nz ° r @ unsuitable. i.tißf; abs the r.ri "sa @: cz :; In t es, a @ rer @ .r @; a @ wn: @ Rauiarunp vt> .7 ele: ktrv @ hotos; r @@ rs @ he; 1 al,: @ tt? n for to gLhar- teeeA, .voxohes tj @ t # 3e .: vinor 2tZipir.-tion dße @t:! rio @ i @ ti "@ @ eai-e nach ei -n riolaun @ odart @ , r: asn Sch: .ch`.: ': xi, °; er: si *: -. rtei-ener flat Z3r- w @@. #. @ tth '! ixs:; e: @c @ # @ @ Yto-o @@@:;. te: n3a;>ß; @ ^ oa3. "zYvh @; Grit per_io @ itsc" m: ..n uni Ve rsug -ew eiee is, 'the ßelaneahi eM aufgedt * Pfi. Tsar Duroh% hardened * deh vbrfätwans serves a Raeterreobeblane, atie during the Agf- . daerplpröstsses at a short distance wm layer support attached M mt is .uxnd alcö, dadurab maps to the Triiger, E4 consists of j odooü "'is W ä. the .Wgliohiueit, the Paatersab * blom from @ ioendrafagrsb @ e . - etiteh on the watch carrier: o lock add * in the S 'et .. .beäampfmeg d40 -Sofixiahtträgers durogretül @ ren, on goblets elob -then a further steaming obre gaaterrto & ablone follows., Dit, Grfindong is among others honored at HaM der ScheraAisnben Dbretellalage is permitted below . 'Gweoke raeterfrirmigon 8ed ampfene eI ne e saw trbgors 1 was according to Fi g, i an d » saee Back a% gnet 2 ngeordiA, who is a Raeterechabxone 3 Ride lower Abelabd locked on the SoUohtträger 1, this one The opposite arrangement is el.ne - gedamp i% M gequelle ß. After U-- At the end of the steaming process, the Rretero stencil is 3 rroo rieh Scohichttrbger 1 separated, so dsß an elekeregbotegle @ phisclle Plate with a surface profile shown in FIG photoconductive 3ohicht 5 arises. Dis Auufledvug the plate can be used in biehe * ek w » ter b * l». as a result the periodically differing thickness of the electrical conductivity Layer 5 is not a constant over the general surface Potential created, smdern * a mtetebi a pore size grid, the amplitude of which in the case of a similar exposure. is reduced depending on . Dieter beliahtu, r @ .6eagigs dismantling of the Pr'teatio.faetere fUbd. that large dark areas of the recorded object can also be reproduced as dark areas in a desired manner. The surface profile of the photoconductive layer is edge except for the vapor deposition method described, for example, you through The selenium layer is sprayed on in an aged atmosphere or. can be generated by means of an etching process.

Claims (1)

PP;entax:-,prUche: el.ez@`re=@:rtb` s1; y=wx'ahren zer Heretellung rcn geraaterten cr ephi schen Platter, da<urch gekennzeichnet, das auf eiroh r ,.chichtträger .'.1 i mit arteigener ebener Oberfläche eine zu- eammenhängende Selenschicht cnit periodischen Dickenschwan- kungen in Länge- und querriohtung aufgetragen wixd. 2) Verfahren nach 4.r3?rucE ?, dadurc;: daß die 3elensohteht .In yakum.1 rasterfiirmf g eufgedwpft wird, 3) yeriehran nach Ar:cpruch 1, dadurch gekrrn@ps@-h@=@+,, ät3B dl.t Selsnvahicht in einer inerten @,tmoe@."ärc rasy@r°ärr.:g nufgeaprite -A-rd. Uu r s ch twng zur iuuchfilhrung des Ja: "uhranG r. ach wsa Aa.- epr'.iehen i =d 29 ät-Aurch @;ake=t,oichnet, d=i3 dea A@@:dtapfpraxn.@ßeu n"eicchc1 Aem Schichttrh#,er (1) un'.24einer t axd@:c-@pfungsquelle (@a f's@tr Se3,4tx einet @a s terc@ohah@a@e i' @r#.zaränst i. ßt .' 5:@i=@@äa@tn@ n,-_etz Anspenob 2, dadurch die ka®tersebablane (3) wagnetiech auf dem Suhichtt.rüger (@ ; betestl jb$P ist.
PP; entax: -, prUche: el.ez@`re = @: rtb` s1; y = wx 'years of production rcn cr ephic platter, marked by it, that on eiroh r , "layer carrier." 1 i with a flat surface of its own hanging selenium layer with periodic thickness fluctuations kings in length and cross direction applied wixd. 2) Procedure according to 4.r3? RucE?, Dadurc ;: that the 3elensohteht . In yakum.1 rasterfiirmf is g eufgedwpft, 3) yeriehran according to Ar: claim 1, thereby krrn @ ps @ -h @ = @ + ,, ät3B dl.t Selsnvahicht in an inert @, tmoe @. "arc rasy @ r ° ärr.: g nufgeaprite -A-rd. Uu rs ch twng to guide the yes: "uhranG r. Ach wsa Aa.- epr'.iehen i = d 29 ät-Aurch @; ake = t, oichnet, d = i3 dea A @@: dtapfpraxn. @ Sseu n "eicchc1 Aemschichttrh #, he (1) un'24einer t axd @: c- @ pfungsquelle (@a f's @ tr Se3,4tx einet @as terc @ ohah @ a @ e i ' @ r # .zaränst i. eat. ' 5: @i = @@ äa @ tn @ n, -_ etz Anspenob 2 , thereby the ka®tersebablane ( 3) wagnetiech on the Suhichtt.rüger (@; betestl jb $ P is.
DE19621472923 1962-12-11 1962-12-11 Process for making screened electrophotographic plates Pending DE1472923A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE0023988 1962-12-11

Publications (1)

Publication Number Publication Date
DE1472923A1 true DE1472923A1 (en) 1969-02-20

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Family Applications (1)

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DE19621472923 Pending DE1472923A1 (en) 1962-12-11 1962-12-11 Process for making screened electrophotographic plates

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954466A (en) * 1975-01-02 1976-05-04 Xerox Corporation Electrostatographic photoreceptor
US3972718A (en) * 1975-05-19 1976-08-03 Xerox Corporation Electrostatographic gravure member
US3980494A (en) * 1975-01-02 1976-09-14 Beatty Charles L Method of reducing friction in blade cleaning of imaging surfaces

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954466A (en) * 1975-01-02 1976-05-04 Xerox Corporation Electrostatographic photoreceptor
US3980494A (en) * 1975-01-02 1976-09-14 Beatty Charles L Method of reducing friction in blade cleaning of imaging surfaces
US3972718A (en) * 1975-05-19 1976-08-03 Xerox Corporation Electrostatographic gravure member

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