NL284213A - - Google Patents
Info
- Publication number
- NL284213A NL284213A NL284213DA NL284213A NL 284213 A NL284213 A NL 284213A NL 284213D A NL284213D A NL 284213DA NL 284213 A NL284213 A NL 284213A
- Authority
- NL
- Netherlands
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US144453A US3109115A (en) | 1961-10-11 | 1961-10-11 | Magnetron type ionization gauges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL284213A true NL284213A (de) |
Family
ID=22508653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL284213D NL284213A (de) | 1961-10-11 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3109115A (de) |
| DE (1) | DE1279966B (de) |
| GB (1) | GB992865A (de) |
| NL (1) | NL284213A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3292078A (en) * | 1961-12-08 | 1966-12-13 | Gca Corp | Vacuum gauge having an X-ray trap and a shield |
| US3198993A (en) * | 1962-08-03 | 1965-08-03 | Sigel David | Coincidence gate generator |
| US3385965A (en) * | 1965-08-10 | 1968-05-28 | Gen Electric | Ion source having a hollow cylindrical permanent magnet maintained at a positive potential relative to the electron emitter |
| US3341727A (en) * | 1965-11-03 | 1967-09-12 | Univ Illinois | Ionization gauge having a photocurrent suppressor electrode |
| US3378712A (en) * | 1966-11-18 | 1968-04-16 | Gen Electric | Field emission ionization gauge with restricted line of sight between field emissionanode and ion collector |
| GB1437174A (en) * | 1972-05-26 | 1976-05-26 | Mullard Ltd | Ion gauges |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE808892C (de) * | 1949-04-08 | 1951-07-19 | Berthold Wald | Elektrisches Messgeraet zur Messung von Hochvakuum |
| US2639397A (en) * | 1949-06-04 | 1953-05-19 | Collins Radio Co | Vacuum gauge of the ionization producing type |
| US2625586A (en) * | 1950-04-14 | 1953-01-13 | Bell Telephone Labor Inc | Apparatus for measuring gas pressures |
| US2762928A (en) * | 1953-06-04 | 1956-09-11 | Bendix Aviat Corp | Mass spectrometer |
| US2884550A (en) * | 1957-10-17 | 1959-04-28 | Gen Electric | Ionization gauges and method of operation thereof |
| US2999157A (en) * | 1958-11-24 | 1961-09-05 | William H Johnston Lab Inc | Method and apparatus for ionization investigation |
-
0
- NL NL284213D patent/NL284213A/xx unknown
-
1961
- 1961-10-11 US US144453A patent/US3109115A/en not_active Expired - Lifetime
-
1962
- 1962-10-09 GB GB38177/62A patent/GB992865A/en not_active Expired
- 1962-10-10 DE DEG36113A patent/DE1279966B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB992865A (en) | 1965-05-26 |
| US3109115A (en) | 1963-10-29 |
| DE1279966B (de) | 1968-10-10 |