FR1200214A - Traitement de masque perforé pour éviter l'empoisonnement de la cathode - Google Patents
Traitement de masque perforé pour éviter l'empoisonnement de la cathodeInfo
- Publication number
- FR1200214A FR1200214A FR1200214DA FR1200214A FR 1200214 A FR1200214 A FR 1200214A FR 1200214D A FR1200214D A FR 1200214DA FR 1200214 A FR1200214 A FR 1200214A
- Authority
- FR
- France
- Prior art keywords
- mask treatment
- prevent cathode
- cathode poisoning
- punch mask
- punch
- 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
- 231100000572 poisoning Toxicity 0.000 title 1
- 230000000607 poisoning effect Effects 0.000 title 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US642073A US2908838A (en) | 1957-02-25 | 1957-02-25 | Aperture mask treatment to prevent cathode poisoning |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1200214A true FR1200214A (fr) | 1959-12-18 |
Family
ID=24575074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1200214D Expired FR1200214A (fr) | 1957-02-25 | 1958-02-21 | Traitement de masque perforé pour éviter l'empoisonnement de la cathode |
Country Status (7)
Country | Link |
---|---|
US (1) | US2908838A (hu) |
BE (1) | BE565080A (hu) |
CH (1) | CH347225A (hu) |
DE (1) | DE1091674B (hu) |
FR (1) | FR1200214A (hu) |
GB (1) | GB841405A (hu) |
NL (1) | NL225220A (hu) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1323620A (en) * | 1971-12-30 | 1973-07-18 | Hitachi Ltd | Shadow masks for use in colour picture tubes |
US4621214A (en) * | 1984-04-19 | 1986-11-04 | Rca Corporation | Color selection means having a charged insulator portion for a cathode-ray tube |
US4622084A (en) * | 1985-01-29 | 1986-11-11 | Chang Kern K N | Method of sealing a mount in a cathode-ray tube |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2279168A (en) * | 1940-02-29 | 1942-04-07 | Westinghouse Electric & Mfg Co | Process for kovar-glass seals |
FR955341A (hu) * | 1941-12-31 | 1950-01-14 | ||
US2392099A (en) * | 1943-07-29 | 1946-01-01 | Bell Telephone Labor Inc | Manufacture of glass sealed contact units |
US2777084A (en) * | 1952-04-12 | 1957-01-08 | Gen Electric | Plastic electrode structure for electron tubes |
US2805360A (en) * | 1954-10-08 | 1957-09-03 | Gen Dynamics Corp | Image storage apparatus |
-
0
- NL NL225220D patent/NL225220A/xx unknown
- BE BE565080D patent/BE565080A/xx unknown
-
1957
- 1957-02-25 US US642073A patent/US2908838A/en not_active Expired - Lifetime
-
1958
- 1958-02-20 GB GB5567/58A patent/GB841405A/en not_active Expired
- 1958-02-21 FR FR1200214D patent/FR1200214A/fr not_active Expired
- 1958-02-22 DE DEC16351A patent/DE1091674B/de active Pending
- 1958-02-24 CH CH347225D patent/CH347225A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE1091674B (de) | 1960-10-27 |
GB841405A (en) | 1960-07-13 |
NL225220A (hu) | |
BE565080A (hu) | |
CH347225A (fr) | 1960-06-30 |
US2908838A (en) | 1959-10-13 |
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