FR1325289A - Vacuum pump - Google Patents
Vacuum pumpInfo
- Publication number
- FR1325289A FR1325289A FR898997A FR898997A FR1325289A FR 1325289 A FR1325289 A FR 1325289A FR 898997 A FR898997 A FR 898997A FR 898997 A FR898997 A FR 898997A FR 1325289 A FR1325289 A FR 1325289A
- Authority
- FR
- France
- Prior art keywords
- vacuum pump
- vacuum
- pump
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR898997A FR1325289A (en) | 1961-05-29 | 1962-05-28 | Vacuum pump |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US113356A US3117247A (en) | 1961-05-29 | 1961-05-29 | Vacuum pump |
FR898997A FR1325289A (en) | 1961-05-29 | 1962-05-28 | Vacuum pump |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1325289A true FR1325289A (en) | 1963-04-26 |
Family
ID=26195899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR898997A Expired FR1325289A (en) | 1961-05-29 | 1962-05-28 | Vacuum pump |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1325289A (en) |
-
1962
- 1962-05-28 FR FR898997A patent/FR1325289A/en not_active Expired
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