CN104008939B - A kind of durable electron gun filament - Google Patents
A kind of durable electron gun filament Download PDFInfo
- Publication number
- CN104008939B CN104008939B CN201410273844.3A CN201410273844A CN104008939B CN 104008939 B CN104008939 B CN 104008939B CN 201410273844 A CN201410273844 A CN 201410273844A CN 104008939 B CN104008939 B CN 104008939B
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- China
- Prior art keywords
- protective layer
- electron gun
- additive
- accounts
- filament
- 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.)
- Expired - Fee Related
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000654 additive Substances 0.000 claims abstract description 22
- 230000000996 additive effect Effects 0.000 claims abstract description 22
- 239000011241 protective layer Substances 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 claims abstract description 8
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910001950 potassium oxide Inorganic materials 0.000 claims abstract description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 239000011733 molybdenum Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000010894 electron beam technology Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of durable electron gun filament; comprise: wick silk and protective layer; described wick silk is elongated molybdenum filament; described protective layer is wrapped in the surface of wick silk; described protective layer is to be processed into after tungstic acid and additive mix; described tungstic acid accounts for 91% in the raw material of protective layer, and described additive accounts for 9% in the raw material of protective layer, and described additive comprises potassium oxide, silica and aluminium oxide. By the way, the durable electron gun filament of one that the present invention points out, the sandwich type structural that exotic material is made, occurs to be oxidized the continuity that also can not have influence on wick silk even outer, is difficult for rupturing under high temperature, and durability is good.
Description
Technical field
The present invention relates to electron gun filament technical field, particularly relate to a kind of durable electron gun filament.
Background technology
Electron gun is to accelerate electronics bombardment target to shield luminous a kind of device, it launch there is certain energy, the electron beam of certain line and speed and angle. (direction and intensity of this electron beam can be controlled, and is conventionally made up of hot cathode, control electrode and some accelerating anodes etc.) electron gun is used for providing electron beam, and impact fluorescence screen forms the image of different tonal gradations.
Electron gun is generally divided into two kinds of heat emission and field emission; The function of electron gun is to provide the electron beam meeting the demands, and the material of electron gun and process structure must consider that electron gun is easy to processing and easy to use, the particularly durability of thermal electron gun filament. In use, filament need to heat and produce high temperature electron gun, the impacts such as the common filament under high temperature is very easily given a shock, air oxidation, and the phenomenon of generation fracture, poor durability, need to often change.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of durable electron gun filament, and the sound construction under high temperature is good, not easy fracture.
For solving the problems of the technologies described above; the technical scheme that the present invention adopts is: a kind of durable electron gun filament is provided; comprise: wick silk and protective layer; described wick silk is elongated molybdenum filament; described protective layer is wrapped in the surface of wick silk; described protective layer is to be processed into after tungstic acid and additive mix; described tungstic acid accounts for 91% in the raw material of protective layer; described additive accounts for 9% in the raw material of protective layer, and described additive comprises potassium oxide, silica and aluminium oxide.
In a preferred embodiment of the present invention, described potassium oxide accounts for 75% in additive.
In a preferred embodiment of the present invention, described silica accounts for 12% in additive.
In a preferred embodiment of the present invention, described aluminium oxide accounts for 13% in additive.
The invention has the beneficial effects as follows: the durable electron gun filament of one that the present invention points out, the sandwich type structural that exotic material is made, occurs to be oxidized the continuity that also can not have influence on wick silk even outer, is difficult for rupturing under high temperature, and durability is good.
Detailed description of the invention
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention comprises:
A kind of durable electron gun filament; comprise: wick silk and protective layer; described wick silk is elongated molybdenum filament; described protective layer is wrapped in the surface of wick silk; described protective layer is to be processed into after tungstic acid and additive mix; described tungstic acid accounts for 91% in the raw material of protective layer, and described additive accounts for 9% in the raw material of protective layer, and described additive comprises potassium oxide, silica and aluminium oxide.
A kind of durable electron gun filament of the present invention adopts sandwich design; described protective layer is wrapped in the surface of wick silk, effectively prevents the high-temperature oxydation of wick silk, in described protective layer, is provided with additive; resistance to elevated temperatures is good, and described potassium oxide accounts for 75% in additive.
Further, described silica accounts for 12% in additive. Silica is the amorphous white mobility powder of synthetic material, has the strict size distribution of various specific areas and volume. This product is a kind of white, loose, amorphous, nontoxic, tasteless, odorless, free of contamination nonmetal oxide. Due to its nano effect, in material, show the character such as remarkable reinforcement, thickening, thixotroping, insulation, delustring, resist sagging.
Further, described aluminium oxide accounts for 13% in additive, and aluminium oxide has outstanding resistance to elevated temperatures.
In sum, the durable electron gun filament of one that the present invention points out, compared with common electron gun filament, sandwich design, has improved durability, and under applied at elevated temperature condition, oxidation resistent susceptibility is good, and long-term use is also difficult for rupturing.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. an electron gun filament; it is characterized in that; comprise: wick silk and protective layer; described wick silk is elongated molybdenum filament; described protective layer is wrapped in the surface of wick silk, and described protective layer is to be processed into after tungstic acid and additive mix, and described tungstic acid accounts for 91% in the raw material of protective layer; described additive accounts for 9% in the raw material of protective layer, and described additive comprises potassium oxide, silica and aluminium oxide.
2. electron gun filament according to claim 1, is characterized in that, described potassium oxide accounts for 75% in additive.
3. electron gun filament according to claim 2, is characterized in that, described silica accounts for 12% in additive.
4. electron gun filament according to claim 3, is characterized in that, described aluminium oxide accounts for 13% in additive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410273844.3A CN104008939B (en) | 2014-06-19 | 2014-06-19 | A kind of durable electron gun filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410273844.3A CN104008939B (en) | 2014-06-19 | 2014-06-19 | A kind of durable electron gun filament |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104008939A CN104008939A (en) | 2014-08-27 |
| CN104008939B true CN104008939B (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410273844.3A Expired - Fee Related CN104008939B (en) | 2014-06-19 | 2014-06-19 | A kind of durable electron gun filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104008939B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108977717A (en) * | 2018-07-03 | 2018-12-11 | 定远县朗赛浦照明电器有限公司 | A kind of durable filament of incandescent lamp and its manufacturing process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR830000680A (en) * | 1978-06-05 | 1983-04-18 | 아놀드 자인러 에른스트 알테르 | Method for producing N-alkylated amino alcohol |
| CN86103468A (en) * | 1985-05-17 | 1987-01-07 | 株式会社日立制作所 | Method for manufacturing dark filament |
| CN1194718A (en) * | 1996-05-21 | 1998-09-30 | 株式会社东芝 | Cathode assembly, electron gun assembly, electron tube, filament, and manufacturing method of cathode assembly and electron gun assembly |
| CN1248781A (en) * | 1998-09-24 | 2000-03-29 | 三星电管株式会社 | Cathode for electron gun |
| CN2655416Y (en) * | 2003-01-28 | 2004-11-10 | 上海广电电子股份有限公司电器分公司 | Semi-heater-type fast starting phi 13 mm double potential electronic gun |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0696662A (en) * | 1992-09-10 | 1994-04-08 | Hitachi Ltd | Electronic tube cathode |
-
2014
- 2014-06-19 CN CN201410273844.3A patent/CN104008939B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR830000680A (en) * | 1978-06-05 | 1983-04-18 | 아놀드 자인러 에른스트 알테르 | Method for producing N-alkylated amino alcohol |
| CN86103468A (en) * | 1985-05-17 | 1987-01-07 | 株式会社日立制作所 | Method for manufacturing dark filament |
| CN1194718A (en) * | 1996-05-21 | 1998-09-30 | 株式会社东芝 | Cathode assembly, electron gun assembly, electron tube, filament, and manufacturing method of cathode assembly and electron gun assembly |
| CN1248781A (en) * | 1998-09-24 | 2000-03-29 | 三星电管株式会社 | Cathode for electron gun |
| CN2655416Y (en) * | 2003-01-28 | 2004-11-10 | 上海广电电子股份有限公司电器分公司 | Semi-heater-type fast starting phi 13 mm double potential electronic gun |
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| Publication number | Publication date |
|---|---|
| CN104008939A (en) | 2014-08-27 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160511 |