FR1473968A - Perfectionnements aux appareils à ultra-vide - Google Patents
Perfectionnements aux appareils à ultra-videInfo
- Publication number
- FR1473968A FR1473968A FR44393A FR44393A FR1473968A FR 1473968 A FR1473968 A FR 1473968A FR 44393 A FR44393 A FR 44393A FR 44393 A FR44393 A FR 44393A FR 1473968 A FR1473968 A FR 1473968A
- Authority
- FR
- France
- Prior art keywords
- ultra
- vacuum devices
- vacuum
- devices
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
- H01J41/18—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes
- H01J41/20—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes using gettering substances
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7458364 | 1964-12-30 | ||
JP59065 | 1965-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1473968A true FR1473968A (fr) | 1967-03-24 |
Family
ID=26333602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR44393A Expired FR1473968A (fr) | 1964-12-30 | 1965-12-30 | Perfectionnements aux appareils à ultra-vide |
Country Status (3)
Country | Link |
---|---|
US (1) | US3381890A (fr) |
FR (1) | FR1473968A (fr) |
GB (1) | GB1130145A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3458115A (en) * | 1967-10-09 | 1969-07-29 | Gen Electric | Trap for organic vapors in vacuum systems |
FR1583456A (fr) * | 1968-04-11 | 1969-10-31 | ||
US4687417A (en) * | 1985-12-19 | 1987-08-18 | Hughes Aircraft Company | High voltage feedthrough for ion pump |
US20100062288A1 (en) * | 2005-11-18 | 2010-03-11 | David Weber | System for generation of useful electrical energy from isotopic electron emission |
US9960026B1 (en) * | 2013-11-11 | 2018-05-01 | Coldquanta Inc. | Ion pump with direct molecule flow channel through anode |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2611268A (en) * | 1947-06-02 | 1952-09-23 | Nat Res Corp | Velocity metering of gas flow |
US2649707A (en) * | 1951-06-22 | 1953-08-25 | Illinois Testing Laboratories | Dew-point measuring device |
US3149774A (en) * | 1961-01-27 | 1964-09-22 | Varian Associates | Getter ion pump method and apparatus |
US3292844A (en) * | 1962-05-23 | 1966-12-20 | Robert A Cornog | Vacuum pump |
-
1965
- 1965-12-29 US US546108A patent/US3381890A/en not_active Expired - Lifetime
- 1965-12-30 GB GB55238/65A patent/GB1130145A/en not_active Expired
- 1965-12-30 FR FR44393A patent/FR1473968A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1539134B2 (de) | 1972-11-30 |
US3381890A (en) | 1968-05-07 |
DE1539134A1 (de) | 1969-06-19 |
GB1130145A (en) | 1968-10-09 |
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