NL251847A - - Google Patents
Info
- Publication number
- NL251847A NL251847A NL251847DA NL251847A NL 251847 A NL251847 A NL 251847A NL 251847D A NL251847D A NL 251847DA NL 251847 A NL251847 A NL 251847A
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81535259A | 1959-05-25 | 1959-05-25 | |
| US32772563A | 1963-12-03 | 1963-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL251847A true NL251847A (en) |
Family
ID=26986030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL251847D NL251847A (en) | 1959-05-25 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US3535055A (en) |
| DE (2) | DE1104111B (en) |
| GB (1) | GB949219A (en) |
| NL (1) | NL251847A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1419326A (en) * | 1964-01-02 | 1966-02-17 | Thomson Houston Comp Francaise | Improvements to ion pumps |
| US3684401A (en) * | 1970-11-17 | 1972-08-15 | Westinghouse Electric Corp | Cathode-getter materials for sputter-ion pumps |
| US3746474A (en) * | 1971-04-02 | 1973-07-17 | W Lloyd | Ionic vacuum pump |
| JPS59123152A (en) * | 1982-12-28 | 1984-07-16 | Hajime Ishimaru | Ion pump |
| US5326227A (en) * | 1990-08-03 | 1994-07-05 | Ebara Corporation | Exhaust apparatus with vacuum pump |
| US9960026B1 (en) * | 2013-11-11 | 2018-05-01 | Coldquanta Inc. | Ion pump with direct molecule flow channel through anode |
| US10049864B2 (en) * | 2017-01-12 | 2018-08-14 | Upendra D Desai | Metallic glow discharge diode and triode devices with large cold cathode as efficient charger generator—a power cell |
| WO2019226142A1 (en) * | 2018-05-21 | 2019-11-28 | Desai Upendra D | Metallic glow discharge diode and triode devices with large cold cathode as efficient charge generator - a power cell |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636664A (en) * | 1949-01-28 | 1953-04-28 | Hertzler Elmer Afton | High vacuum pumping method, apparatus, and techniques |
| US2727167A (en) * | 1952-04-18 | 1955-12-13 | Westinghouse Electric Corp | Ion pump |
| US2796555A (en) * | 1954-06-29 | 1957-06-18 | High Voltage Engineering Corp | High-vacuum pump |
| GB797232A (en) * | 1955-07-11 | 1958-06-25 | Manfred Von Ardenne | Improvements in or relating to high vacuum ion pumps |
| DE1046249B (en) * | 1956-04-05 | 1958-12-11 | Dr Gerhard Fricke | Method and device for generating a high vacuum |
| DE1052053B (en) * | 1958-04-11 | 1959-03-05 | Leybolds Nachfolger E | Method and device for extending the uninterrupted service life of getter pumps for high vacuum generation |
-
0
- NL NL251847D patent/NL251847A/xx unknown
-
1959
- 1959-05-25 US US815352A patent/US3535055A/en not_active Expired - Lifetime
-
1960
- 1960-05-06 DE DEC21391A patent/DE1104111B/en active Pending
- 1960-05-06 DE DEC21392A patent/DE1107368B/en active Pending
- 1960-05-25 GB GB18430/60A patent/GB949219A/en not_active Expired
-
1963
- 1963-12-03 US US327725A patent/US3535054A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3535054A (en) | 1970-10-20 |
| GB949219A (en) | 1964-02-12 |
| US3535055A (en) | 1970-10-20 |
| DE1104111B (en) | 1961-04-06 |
| DE1107368B (en) | 1961-05-25 |