FR2154657B3 - - Google Patents
Info
- Publication number
- FR2154657B3 FR2154657B3 FR7234226A FR7234226A FR2154657B3 FR 2154657 B3 FR2154657 B3 FR 2154657B3 FR 7234226 A FR7234226 A FR 7234226A FR 7234226 A FR7234226 A FR 7234226A FR 2154657 B3 FR2154657 B3 FR 2154657B3
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712148809 DE2148809C3 (en) | 1971-09-30 | Process for manufacturing electron tubes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2154657A1 FR2154657A1 (en) | 1973-05-11 |
| FR2154657B3 true FR2154657B3 (en) | 1975-10-17 |
Family
ID=5821043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7234226A Expired FR2154657B3 (en) | 1971-09-30 | 1972-09-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3853374A (en) |
| JP (1) | JPS4862375A (en) |
| FR (1) | FR2154657B3 (en) |
| NL (1) | NL7213217A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030789A (en) * | 1974-06-14 | 1977-06-21 | U.S. Philips Corporation | Method of manufacturing an electric discharge tube |
| US4052115A (en) * | 1974-08-02 | 1977-10-04 | U.S. Philips Corporation | Device for manufacturing electron tube having a radiation-sensitive layer |
| US4005920A (en) * | 1975-07-09 | 1977-02-01 | International Telephone And Telegraph Corporation | Vacuum-tight metal-to-metal seal |
| US4309066A (en) * | 1978-08-02 | 1982-01-05 | The United States Of America As Represented By The Secretary Of The Army | Method and apparatus to fabricate image intensifier tubes |
| US4286833A (en) * | 1978-08-02 | 1981-09-01 | The United States Of America As Represented By The Secretary Of The Army | Method and apparatus to fabricate image intensifier tubes |
| HU207175B (en) * | 1986-02-12 | 1993-03-01 | Tungsram Reszvenytarsasag | Device for manufacturing discharge tube of a sodium vapour discharge lamp |
| US5369267A (en) * | 1993-05-18 | 1994-11-29 | Intevac, Inc. | Microchannel image intensifier tube with novel sealing feature |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3334955A (en) * | 1965-06-03 | 1967-08-08 | Itt | Method and apparatus for making vacuum tubes |
-
1972
- 1972-09-22 US US00291281A patent/US3853374A/en not_active Expired - Lifetime
- 1972-09-27 FR FR7234226A patent/FR2154657B3/fr not_active Expired
- 1972-09-28 JP JP47097627A patent/JPS4862375A/ja active Pending
- 1972-09-29 NL NL7213217A patent/NL7213217A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2154657A1 (en) | 1973-05-11 |
| DE2148809B2 (en) | 1976-12-23 |
| DE2148809A1 (en) | 1973-04-12 |
| US3853374A (en) | 1974-12-10 |
| JPS4862375A (en) | 1973-08-31 |
| NL7213217A (en) | 1973-04-03 |