NL243654A - - Google Patents
Info
- Publication number
- NL243654A NL243654A NL243654DA NL243654A NL 243654 A NL243654 A NL 243654A NL 243654D A NL243654D A NL 243654DA NL 243654 A NL243654 A NL 243654A
- 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
- H01J41/12—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
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1110812XA | 1958-09-25 | 1958-09-25 | |
| US763293A US3080104A (en) | 1958-09-25 | 1958-09-25 | Ionic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL243654A true NL243654A (enrdf_load_stackoverflow) |
Family
ID=26808622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL243654D NL243654A (enrdf_load_stackoverflow) | 1958-09-25 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3080104A (enrdf_load_stackoverflow) |
| NL (1) | NL243654A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1053215A (enrdf_load_stackoverflow) * | 1963-04-15 | |||
| GB1021064A (en) * | 1963-11-08 | 1966-02-23 | Mullard Ltd | Improvements in or relating to vacuum ion pumps |
| FR1419326A (fr) * | 1964-01-02 | 1966-02-17 | Thomson Houston Comp Francaise | Perfectionnements aux pompes ioniques |
| US3324729A (en) * | 1964-09-14 | 1967-06-13 | Gen Electric | Method and apparatus for detecting leaks |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2081429A (en) * | 1933-06-03 | 1937-05-25 | Gaede Wolfgang | Electron tube and method of operating the same |
| NL50072C (enrdf_load_stackoverflow) * | 1935-12-28 | |||
| US2131897A (en) * | 1937-02-27 | 1938-10-04 | Rca Corp | Electronic vacuum pump |
| US2460175A (en) * | 1945-07-31 | 1949-01-25 | Hazeltine Research Inc | Ionic vacuum pump |
| US2636664A (en) * | 1949-01-28 | 1953-04-28 | Hertzler Elmer Afton | High vacuum pumping method, apparatus, and techniques |
| US2726805A (en) * | 1953-01-29 | 1955-12-13 | Ernest O Lawrence | Ion pump |
| US2755014A (en) * | 1953-04-24 | 1956-07-17 | Gen Electric | Ionic vacuum pump device |
| GB797232A (en) * | 1955-07-11 | 1958-06-25 | Manfred Von Ardenne | Improvements in or relating to high vacuum ion pumps |
-
0
- NL NL243654D patent/NL243654A/xx unknown
-
1958
- 1958-09-25 US US763293A patent/US3080104A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3080104A (en) | 1963-03-05 |