DD144621A5 - Farbbildroehre mit einer schlitzlochmaske - Google Patents
Farbbildroehre mit einer schlitzlochmaske Download PDFInfo
- Publication number
- DD144621A5 DD144621A5 DD79212368A DD21236879A DD144621A5 DD 144621 A5 DD144621 A5 DD 144621A5 DD 79212368 A DD79212368 A DD 79212368A DD 21236879 A DD21236879 A DD 21236879A DD 144621 A5 DD144621 A5 DD 144621A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- mask
- webs
- cross
- electron beam
- slot
- Prior art date
Links
- 238000004080 punching Methods 0.000 title 1
- 238000010894 electron beam technology Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000003313 weakening effect Effects 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
- H01J29/07—Shadow masks for colour television tubes
- H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90454378A | 1978-05-10 | 1978-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD144621A5 true DD144621A5 (de) | 1980-10-22 |
Family
ID=25419335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD79212368A DD144621A5 (de) | 1978-05-10 | 1979-04-20 | Farbbildroehre mit einer schlitzlochmaske |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS54147775A (pt) |
| BR (1) | BR7902434A (pt) |
| DD (1) | DD144621A5 (pt) |
| DE (1) | DE2914839A1 (pt) |
| FI (1) | FI791257A (pt) |
| FR (1) | FR2425717A1 (pt) |
| GB (1) | GB2020892A (pt) |
| IT (1) | IT1112302B (pt) |
| PL (1) | PL215496A1 (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2906611C2 (de) * | 1979-02-21 | 1985-05-15 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur Herstellung einer Farbwahlmaske für eine Farbbildkathodenstrahlröhre |
| US4293792A (en) * | 1979-12-18 | 1981-10-06 | Rca Corporation | Color picture tube having improved slit type shadow mask |
| JPS577041A (en) * | 1980-05-12 | 1982-01-14 | Buckbee Mears Co | Structure with visual sense opening line and method of manufacturing same |
| CA1175876A (en) * | 1980-05-12 | 1984-10-09 | Roland Thoms | Television picture tubes and hole technology |
| US4429028A (en) * | 1982-06-22 | 1984-01-31 | Rca Corporation | Color picture tube having improved slit type shadow mask and method of making same |
| US4632726A (en) * | 1984-07-13 | 1986-12-30 | Bmc Industries, Inc. | Multi-graded aperture mask method |
| JPH07320652A (ja) * | 1994-05-27 | 1995-12-08 | Toshiba Corp | カラー受像管及びシャドウマスクの製造方法 |
| TW378334B (en) * | 1994-10-14 | 2000-01-01 | Thomson Consumer Electronics | Method of forming an enhanced resolution shadow mask |
-
1979
- 1979-04-10 GB GB7912618A patent/GB2020892A/en not_active Withdrawn
- 1979-04-11 DE DE19792914839 patent/DE2914839A1/de not_active Withdrawn
- 1979-04-16 JP JP4716579A patent/JPS54147775A/ja active Pending
- 1979-04-17 IT IT21930/79A patent/IT1112302B/it active
- 1979-04-18 FI FI791257A patent/FI791257A/fi not_active Application Discontinuation
- 1979-04-18 FR FR7909694A patent/FR2425717A1/fr not_active Withdrawn
- 1979-04-20 BR BR7902434A patent/BR7902434A/pt unknown
- 1979-04-20 DD DD79212368A patent/DD144621A5/de unknown
- 1979-05-10 PL PL21549679A patent/PL215496A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT1112302B (it) | 1986-01-13 |
| BR7902434A (pt) | 1979-12-11 |
| PL215496A1 (pt) | 1980-03-24 |
| IT7921930A0 (it) | 1979-04-17 |
| FR2425717A1 (fr) | 1979-12-07 |
| DE2914839A1 (de) | 1979-11-15 |
| FI791257A (fi) | 1979-11-11 |
| JPS54147775A (en) | 1979-11-19 |
| GB2020892A (en) | 1979-11-21 |
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