FR74286E - - Google Patents
Info
- Publication number
- FR74286E FR74286E FR74286DA FR74286E FR 74286 E FR74286 E FR 74286E FR 74286D A FR74286D A FR 74286DA FR 74286 E FR74286 E FR 74286E
- 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
- 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
- H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
- H01J41/16—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA28493A DE1109311B (de) | 1957-12-12 | 1957-12-12 | Verfahren zum Betrieb einer Getter-Ionenpumpe und Getter-Ionenpumpe zur Durchfuehrung des Verfahrens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR74286E true FR74286E (fr) | 1961-03-08 |
Family
ID=6926665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR74286D Expired FR74286E (fr) | 1957-12-12 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2973134A (fr) |
| DE (1) | DE1109311B (fr) |
| FR (1) | FR74286E (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3150817A (en) * | 1961-04-03 | 1964-09-29 | Varian Associates | High vacuum system |
| US3383032A (en) * | 1967-01-31 | 1968-05-14 | Atomic Energy Commission Usa | Vacuum pumping method and apparatus |
| DE102009042417B4 (de) * | 2009-07-16 | 2011-11-24 | Vacom Steuerungsbau Und Service Gmbh | Orbitron-Ionengetterpumpe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2850225A (en) * | 1955-11-10 | 1958-09-02 | Wisconsin Alumni Res Found | Pump |
-
0
- FR FR74286D patent/FR74286E/fr not_active Expired
-
1957
- 1957-12-12 DE DEA28493A patent/DE1109311B/de active Pending
-
1958
- 1958-12-10 US US779446A patent/US2973134A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1109311B (de) | 1961-06-22 |
| US2973134A (en) | 1961-02-28 |