NL239135A - - Google Patents
Info
- Publication number
- NL239135A NL239135A NL239135DA NL239135A NL 239135 A NL239135 A NL 239135A NL 239135D A NL239135D A NL 239135DA NL 239135 A NL239135 A NL 239135A
- 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
- H01J41/18—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 |
|---|---|---|---|
| DES0058505 | 1958-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL239135A true NL239135A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=7492586
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL132318D NL132318C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1958-06-06 | ||
| NL239135D NL239135A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1958-06-06 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL132318D NL132318C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1958-06-06 |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3391303A (en) * | 1965-01-25 | 1968-07-02 | Lewis D. Hall | Electronic vacuum pump including a sputter electrode |
| US3746474A (en) * | 1971-04-02 | 1973-07-17 | W Lloyd | Ionic vacuum pump |
| WO2003058069A2 (en) * | 2002-01-14 | 2003-07-17 | Varco Ltd. | Arc vacuum pump |
| US9053917B2 (en) | 2013-03-29 | 2015-06-09 | Agilent Technologies, Inc. | Vacuum fired and brazed ion pump element |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL49158C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1936-05-29 | |||
| GB797232A (en) * | 1955-07-11 | 1958-06-25 | Manfred Von Ardenne | Improvements in or relating to high vacuum ion pumps |
-
0
- DE DENDAT1075272D patent/DE1075272B/de active Pending
- NL NL132318D patent/NL132318C/xx active
- NL NL239135D patent/NL239135A/xx unknown
-
1959
- 1959-05-30 CH CH7379759A patent/CH366625A/de unknown
- 1959-06-05 US US818322A patent/US3614264A/en not_active Expired - Lifetime
- 1959-06-05 FR FR796724A patent/FR1226838A/fr not_active Expired
- 1959-06-05 GB GB19324/59A patent/GB915748A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1226838A (fr) | 1960-08-16 |
| DE1075272B (de) | 1960-02-11 |
| GB915748A (en) | 1963-01-16 |
| US3614264A (en) | 1971-10-19 |
| CH366625A (de) | 1963-01-15 |
| NL132318C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |