CA1138519A - High potential, low magnification electron gun - Google Patents
High potential, low magnification electron gunInfo
- Publication number
- CA1138519A CA1138519A CA000324578A CA324578A CA1138519A CA 1138519 A CA1138519 A CA 1138519A CA 000324578 A CA000324578 A CA 000324578A CA 324578 A CA324578 A CA 324578A CA 1138519 A CA1138519 A CA 1138519A
- Authority
- CA
- Canada
- Prior art keywords
- screen grid
- electron gun
- lens
- grid
- lens electrode
- 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
Links
- 230000009471 action Effects 0.000 claims abstract description 13
- 230000004075 alteration Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000005684 electric field Effects 0.000 claims abstract description 9
- 230000005686 electrostatic field Effects 0.000 claims abstract 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 abstract description 14
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 241001050985 Disco Species 0.000 description 1
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- CLSVJBIHYWPGQY-UHFFFAOYSA-N [3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl] ethyl carbonate Chemical compound CCOC(=O)OC1=C(C=2C(=CC=C(C)C=2)C)C(=O)NC11CCC(OC)CC1 CLSVJBIHYWPGQY-UHFFFAOYSA-N 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 108010052322 limitin Proteins 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 208000001644 thecoma Diseases 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- H01J29/503—Three or more guns, the axes of which lay in a common plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/62—Electrostatic lenses
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Cold Cathode And The Manufacture (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89558878A | 1978-04-12 | 1978-04-12 | |
| US895,588 | 1978-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1138519A true CA1138519A (en) | 1982-12-28 |
Family
ID=25404723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000324578A Expired CA1138519A (en) | 1978-04-12 | 1979-04-02 | High potential, low magnification electron gun |
Country Status (18)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234814A (en) * | 1978-09-25 | 1980-11-18 | Rca Corporation | Electron gun with astigmatic flare-reducing beam forming region |
| US4498028A (en) * | 1981-09-28 | 1985-02-05 | Zenith Electronics Corporation | Ultra-short LoBi electron gun for very short cathode ray tubes |
| US4529910A (en) * | 1982-03-31 | 1985-07-16 | Zenith Electronics Corporation | High-performance electron gun |
| NL8204185A (nl) * | 1982-10-29 | 1984-05-16 | Philips Nv | Kathodestraalbuis. |
| JPS59148242A (ja) * | 1983-02-14 | 1984-08-24 | Matsushita Electronics Corp | 受像管装置 |
| EP0237005A3 (en) * | 1986-03-11 | 1988-10-12 | Matsushita Electronics Corporation | Cathode ray tube for color display |
| FR2724048B1 (fr) * | 1994-08-26 | 1997-01-10 | Thomson Tubes & Displays | Canon a electrons coplanaire a zone de formation de faisceau amelioree |
| JP2000243218A (ja) | 1999-02-17 | 2000-09-08 | Nec Corp | 電子放出装置及びその駆動方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1156511B (de) * | 1957-10-28 | 1963-10-31 | Rauland Corp | Strahlerzeugungssystem fuer eine kathodenmodulierte Kathodenstrahlroehre |
| US3090882A (en) * | 1960-04-13 | 1963-05-21 | Rca Corp | Electron gun |
| US3295001A (en) * | 1963-06-04 | 1966-12-27 | Sylvania Electric Prod | Cathode ray tube gun having a second grid with an effective thickness |
| US3374379A (en) * | 1964-03-02 | 1968-03-19 | Nippon Columbia | Low second grid voltage electron gun |
| BE793992A (fr) * | 1972-01-14 | 1973-05-02 | Rca Corp | Tube a rayons cathodiques |
| JPS5522906B2 (enrdf_load_stackoverflow) * | 1974-05-20 | 1980-06-19 | ||
| US3995194A (en) * | 1974-08-02 | 1976-11-30 | Zenith Radio Corporation | Electron gun having an extended field electrostatic focus lens |
-
1979
- 1979-03-15 AU AU45157/79A patent/AU4515779A/en not_active Abandoned
- 1979-04-02 CA CA000324578A patent/CA1138519A/en not_active Expired
- 1979-04-05 ES ES479316A patent/ES479316A1/es not_active Expired
- 1979-04-05 FI FI791127A patent/FI791127A7/fi not_active Application Discontinuation
- 1979-04-06 IT IT7921663A patent/IT1112465B/it active
- 1979-04-09 FR FR7908890A patent/FR2423057A1/fr active Granted
- 1979-04-10 CZ CS792467A patent/CZ278259B6/cs unknown
- 1979-04-10 MX MX79100683U patent/MX4332E/es unknown
- 1979-04-10 BR BR7902199A patent/BR7902199A/pt unknown
- 1979-04-10 BE BE2/57714A patent/BE875443A/xx unknown
- 1979-04-10 GB GB7912616A patent/GB2020092B/en not_active Expired
- 1979-04-11 DD DD79212156A patent/DD143125A5/de not_active IP Right Cessation
- 1979-04-11 PL PL1979214828A patent/PL126827B1/pl unknown
- 1979-04-11 NL NLAANVRAGE7902868,A patent/NL189323C/xx not_active IP Right Cessation
- 1979-04-11 SU SU792748999A patent/SU1722254A3/ru active
- 1979-04-11 JP JP4483479A patent/JPS54145472A/ja active Granted
- 1979-04-11 DE DE2914838A patent/DE2914838C2/de not_active Expired
-
1987
- 1987-08-13 HK HK598/87A patent/HK59887A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| MX4332E (es) | 1982-03-25 |
| HK59887A (en) | 1987-08-21 |
| DE2914838C2 (de) | 1986-11-06 |
| BR7902199A (pt) | 1979-12-04 |
| AU4515779A (en) | 1979-10-18 |
| CZ278259B6 (en) | 1993-11-17 |
| IT1112465B (it) | 1986-01-13 |
| JPS54145472A (en) | 1979-11-13 |
| FR2423057A1 (fr) | 1979-11-09 |
| DD143125A5 (de) | 1980-07-30 |
| IT7921663A0 (it) | 1979-04-06 |
| DE2914838A1 (de) | 1979-10-18 |
| ES479316A1 (es) | 1979-06-16 |
| PL126827B1 (en) | 1983-09-30 |
| NL189323B (nl) | 1992-10-01 |
| BE875443A (nl) | 1979-07-31 |
| NL189323C (nl) | 1993-03-01 |
| FR2423057B1 (enrdf_load_stackoverflow) | 1984-03-02 |
| GB2020092B (en) | 1983-01-06 |
| FI791127A7 (fi) | 1981-01-01 |
| CZ246779A3 (en) | 1993-06-16 |
| GB2020092A (en) | 1979-11-07 |
| JPH0419660B2 (enrdf_load_stackoverflow) | 1992-03-31 |
| PL214828A1 (enrdf_load_stackoverflow) | 1980-05-05 |
| SU1722254A3 (ru) | 1992-03-23 |
| NL7902868A (nl) | 1979-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |