FR1597468A - - Google Patents
Info
- Publication number
- FR1597468A FR1597468A FR1597468DA FR1597468A FR 1597468 A FR1597468 A FR 1597468A FR 1597468D A FR1597468D A FR 1597468DA FR 1597468 A FR1597468 A FR 1597468A
- 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
-
- 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 |
---|---|---|---|
DEL0057383 | 1967-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1597468A true FR1597468A (fr) | 1970-06-29 |
Family
ID=7278503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1597468D Expired FR1597468A (fr) | 1967-09-07 | 1968-08-21 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3573523A (fr) |
CH (1) | CH478455A (fr) |
DE (1) | DE1648588B1 (fr) |
FR (1) | FR1597468A (fr) |
GB (1) | GB1197685A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4338535C2 (de) * | 1993-11-11 | 2003-06-18 | Unaxis Deutschland Holding | Extraktor-Ionisationsvakuummeter |
KR20080017929A (ko) * | 2006-08-23 | 2008-02-27 | 한국표준과학연구원 | 잔류기체분석기에 의한 이온게이지의 방출기체 조성과 압력측정장치 및 그 측정방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE753159C (de) * | 1941-10-19 | 1954-07-19 | Siemens & Halske A G | Ionisationsmanometer |
US2639397A (en) * | 1949-06-04 | 1953-05-19 | Collins Radio Co | Vacuum gauge of the ionization producing type |
US2934665A (en) * | 1956-09-12 | 1960-04-26 | Siemens Ag | Ion source |
US3164739A (en) * | 1960-07-20 | 1965-01-05 | Vakutronik Veb | Ion source of a duo-plasmatron |
FR1337586A (fr) * | 1961-10-11 | 1963-09-13 | Thomson Houston Comp Francaise | Jauges à ionisation |
NL285354A (fr) * | 1961-12-11 | |||
DE1856318U (de) * | 1962-06-02 | 1962-08-09 | Atlas Mess Und Analysentechnik | An ein vakuumsystem anschliessbare messroehre mit ionenquelle. |
US3450931A (en) * | 1966-08-30 | 1969-06-17 | Varian Associates | Cyclotron motion linear accelerator |
-
1967
- 1967-09-07 DE DE19671648588 patent/DE1648588B1/de not_active Withdrawn
-
1968
- 1968-05-30 CH CH800968A patent/CH478455A/de not_active IP Right Cessation
- 1968-08-21 FR FR1597468D patent/FR1597468A/fr not_active Expired
- 1968-08-28 US US755925A patent/US3573523A/en not_active Expired - Lifetime
- 1968-09-04 GB GB42148/68A patent/GB1197685A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3573523A (en) | 1971-04-06 |
DE1648588B1 (de) | 1971-02-25 |
CH478455A (de) | 1969-09-15 |
GB1197685A (en) | 1970-07-08 |