BE697784A - - Google Patents
Info
- Publication number
- BE697784A BE697784A BE697784DA BE697784A BE 697784 A BE697784 A BE 697784A BE 697784D A BE697784D A BE 697784DA BE 697784 A BE697784 A BE 697784A
- Authority
- BE
- Belgium
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL0053450 | 1966-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE697784A true BE697784A (de) | 1967-10-02 |
Family
ID=7275392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE697784D BE697784A (de) | 1966-04-28 | 1967-04-28 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE697784A (de) |
| CH (1) | CH446596A (de) |
| DE (1) | DE1539133B1 (de) |
| FR (1) | FR1517408A (de) |
| GB (1) | GB1143457A (de) |
| NL (1) | NL6613102A (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL249138A (de) * | 1959-03-06 | |||
| FR1281403A (fr) * | 1960-12-01 | 1962-01-12 | Thomson Houston Comp Francaise | Système perfectionné de pompe à vide du type à évaporation et à ionisation |
| GB1015723A (en) * | 1962-08-08 | 1966-01-05 | Mullard Ltd | Vacuum ion pumps |
| FR1379760A (fr) * | 1963-10-17 | 1964-11-27 | Vide Soc Gen Du | Perfectionnements aux pompes à vide du type à ionisation et à évaporation |
-
1966
- 1966-04-28 DE DE19661539133 patent/DE1539133B1/de active Pending
- 1966-08-15 CH CH1173766A patent/CH446596A/de unknown
- 1966-09-16 NL NL6613102A patent/NL6613102A/xx unknown
-
1967
- 1967-03-29 FR FR101146A patent/FR1517408A/fr not_active Expired
- 1967-04-27 GB GB19573/67A patent/GB1143457A/en not_active Expired
- 1967-04-28 BE BE697784D patent/BE697784A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1517408A (fr) | 1968-03-15 |
| NL6613102A (de) | 1967-10-30 |
| CH446596A (de) | 1967-11-15 |
| GB1143457A (en) | 1969-02-19 |
| DE1539133B1 (de) | 1969-10-02 |