CH412395A - Ionization manometer and its operation - Google Patents
Ionization manometer and its operationInfo
- Publication number
- CH412395A CH412395A CH460662A CH460662A CH412395A CH 412395 A CH412395 A CH 412395A CH 460662 A CH460662 A CH 460662A CH 460662 A CH460662 A CH 460662A CH 412395 A CH412395 A CH 412395A
- Authority
- CH
- Switzerland
- Prior art keywords
- ionization manometer
- manometer
- ionization
- Prior art date
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
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEN19897A DE1156581B (en) | 1961-04-17 | 1961-04-17 | Ionization manometer |
Publications (1)
Publication Number | Publication Date |
---|---|
CH412395A true CH412395A (en) | 1966-04-30 |
Family
ID=7341064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH460662A CH412395A (en) | 1961-04-17 | 1962-04-13 | Ionization manometer and its operation |
Country Status (4)
Country | Link |
---|---|
US (1) | US3193724A (en) |
CH (1) | CH412395A (en) |
DE (1) | DE1156581B (en) |
GB (1) | GB964120A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1053215A (en) * | 1963-04-15 | |||
US3387175A (en) * | 1965-03-05 | 1968-06-04 | Varian Associates | Vacuum gauge having separate electron collecting and electron accelerating electrodes |
US3394286A (en) * | 1965-05-27 | 1968-07-23 | Nat Res Corp | Ultrahigh vacuum measuring ionization gauge |
US3320455A (en) * | 1966-04-22 | 1967-05-16 | Gen Electric | Ionization vacuum gauge having x-ray shielding means |
DE1648650A1 (en) * | 1966-05-17 | 1971-07-22 | Politechnika Warszawska | Ionization vacuum meter for lowest pressures |
GB1159494A (en) * | 1966-12-12 | 1969-07-23 | Edwards High Vacuum Int Ltd | Ionisation Gauges |
US5128617A (en) * | 1990-04-11 | 1992-07-07 | Granville-Phillips Company | Ionization vacuum gauge with emission of electrons in parallel paths |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE753159C (en) * | 1941-10-19 | 1954-07-19 | Siemens & Halske A G | Ionization manometer |
DE843313C (en) * | 1951-02-27 | 1952-08-14 | Telefunken Gmbh | Electrical discharge device with a glow cathode, an ionization electrode and an ion collecting electrode for measuring the gas pressure in the discharge space by means of the ion current passing to the ion collecting electrode |
US2937295A (en) * | 1957-05-07 | 1960-05-17 | Ca Nat Research Council | Ionization gauge for the measurement of low pressures |
US3051868A (en) * | 1960-08-29 | 1962-08-28 | Ca Nat Research Council | Ionization vacuum gauges |
-
1961
- 1961-04-17 DE DEN19897A patent/DE1156581B/en active Pending
-
1962
- 1962-03-28 US US183079A patent/US3193724A/en not_active Expired - Lifetime
- 1962-04-13 CH CH460662A patent/CH412395A/en unknown
- 1962-04-13 GB GB14390/62A patent/GB964120A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB964120A (en) | 1964-07-15 |
DE1156581B (en) | 1963-10-31 |
US3193724A (en) | 1965-07-06 |
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