NL137796C - - Google Patents
Info
- Publication number
- NL137796C NL137796C NL137796DA NL137796C NL 137796 C NL137796 C NL 137796C NL 137796D A NL137796D A NL 137796DA NL 137796 C NL137796 C NL 137796C
- 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 |
|---|---|---|---|
| FR832470A FR1269798A (en) | 1960-07-08 | 1960-07-08 | Ion pump with negligible external magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL137796C true NL137796C (en) |
Family
ID=8735181
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL266745D NL266745A (en) | 1960-07-08 | ||
| NL137796D NL137796C (en) | 1960-07-08 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL266745D NL266745A (en) | 1960-07-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3172597A (en) |
| CH (1) | CH372127A (en) |
| DE (1) | DE1168010B (en) |
| FR (1) | FR1269798A (en) |
| GB (1) | GB938022A (en) |
| NL (2) | NL137796C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582710A (en) * | 1969-05-22 | 1971-06-01 | Gen Electric | Ultrahigh vacuum magnetron ionization gauge with ferromagnetic electrodes |
| US4167370A (en) * | 1976-11-01 | 1979-09-11 | Massachusetts Institute Of Technology | Method of an apparatus for self-sustaining high vacuum in a high voltage environment |
| WO1996018204A1 (en) * | 1994-12-05 | 1996-06-13 | Color Planar Displays, Inc. | Support structure for flat panel displays |
| US5655886A (en) * | 1995-06-06 | 1997-08-12 | Color Planar Displays, Inc. | Vacuum maintenance device for high vacuum chambers |
| US20180306175A1 (en) * | 2017-04-25 | 2018-10-25 | Edwards Vacuum Llc | Magnetic focusing in an ion pump using internal ferrous materials |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL50072C (en) * | 1935-12-28 | |||
| US2755014A (en) * | 1953-04-24 | 1956-07-17 | Gen Electric | Ionic vacuum pump device |
-
0
- NL NL266745D patent/NL266745A/xx unknown
- NL NL137796D patent/NL137796C/xx active
-
1960
- 1960-07-08 FR FR832470A patent/FR1269798A/en not_active Expired
-
1961
- 1961-07-04 DE DEC24527A patent/DE1168010B/en active Pending
- 1961-07-05 US US122007A patent/US3172597A/en not_active Expired - Lifetime
- 1961-07-06 GB GB24501/61A patent/GB938022A/en not_active Expired
- 1961-07-07 CH CH800361A patent/CH372127A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1168010B (en) | 1964-04-16 |
| US3172597A (en) | 1965-03-09 |
| GB938022A (en) | 1963-09-25 |
| CH372127A (en) | 1963-09-30 |
| FR1269798A (en) | 1961-08-18 |
| NL266745A (en) |