JPS48104109A - - Google Patents
Info
- Publication number
- JPS48104109A JPS48104109A JP48026542A JP2654273A JPS48104109A JP S48104109 A JPS48104109 A JP S48104109A JP 48026542 A JP48026542 A JP 48026542A JP 2654273 A JP2654273 A JP 2654273A JP S48104109 A JPS48104109 A JP S48104109A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
Landscapes
- Electron Tubes For Measurement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23182872A | 1972-03-06 | 1972-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS48104109A true JPS48104109A (en) | 1973-12-27 |
Family
ID=22870778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48026542A Pending JPS48104109A (en) | 1972-03-06 | 1973-03-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3781133A (en) |
| JP (1) | JPS48104109A (en) |
| DE (1) | DE2311083A1 (en) |
| FR (1) | FR2175465A5 (en) |
| IL (1) | IL41704A0 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2826501B1 (en) * | 1978-06-16 | 1979-11-08 | Siemens Ag | Evacuation device for generating an insulating vacuum around the superconducting winding of a rotor |
| US9960026B1 (en) * | 2013-11-11 | 2018-05-01 | Coldquanta Inc. | Ion pump with direct molecule flow channel through anode |
-
1972
- 1972-03-06 US US00231828A patent/US3781133A/en not_active Expired - Lifetime
-
1973
- 1973-03-06 IL IL41704A patent/IL41704A0/en unknown
- 1973-03-06 DE DE19732311083 patent/DE2311083A1/en active Pending
- 1973-03-06 JP JP48026542A patent/JPS48104109A/ja active Pending
- 1973-03-06 FR FR7307889A patent/FR2175465A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2175465A5 (en) | 1973-10-19 |
| IL41704A0 (en) | 1973-05-31 |
| DE2311083A1 (en) | 1973-09-13 |
| US3781133A (en) | 1973-12-25 |