NL292484A - - Google Patents
Info
- Publication number
- NL292484A NL292484A NL292484DA NL292484A NL 292484 A NL292484 A NL 292484A NL 292484D A NL292484D A NL 292484DA NL 292484 A NL292484 A NL 292484A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
-
- 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
-
- 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
- H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
-
- 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
- H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
- H01J41/16—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
-
- 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 |
---|---|---|---|
DES79366A DE1298648B (de) | 1962-05-09 | 1962-05-09 | Laufzeitroehre mit koaxial um den Elektronenstrahl angeordneten Ionenfaengern |
Publications (1)
Publication Number | Publication Date |
---|---|
NL292484A true NL292484A (de) |
Family
ID=7508148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL292484D NL292484A (de) | 1962-05-09 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3299311A (de) |
CH (1) | CH409156A (de) |
DE (1) | DE1298648B (de) |
GB (1) | GB1039884A (de) |
NL (1) | NL292484A (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1539135A1 (de) * | 1965-06-30 | 1969-08-28 | Siemens Ag | Pumpanordnung mit Hilfskathode fuer elektrische Entladungsgefaesse |
GB1165883A (en) * | 1965-11-03 | 1969-10-01 | Emi Ltd | Improvements relating to Electron Discharge Devices, especially Klystrons |
US3500097A (en) * | 1967-03-06 | 1970-03-10 | Dunlee Corp | X-ray generator |
US4397611A (en) * | 1981-07-06 | 1983-08-09 | The Perkin-Elmer Corp. | Particle beam instrumentation ion pump |
US10262845B2 (en) | 2015-02-10 | 2019-04-16 | Hamilton Sundstrand Corporation | System and method for enhanced ion pump lifespan |
US10665437B2 (en) * | 2015-02-10 | 2020-05-26 | Hamilton Sundstrand Corporation | System and method for enhanced ion pump lifespan |
CN113130277B (zh) * | 2021-04-21 | 2024-02-13 | 中国科学院空天信息创新研究院 | 一种收集极组件、速调管永磁聚焦系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE462688A (de) * | 1944-03-11 | |||
US2767344A (en) * | 1949-12-30 | 1956-10-16 | Bell Telephone Labor Inc | Electronic amplifier |
US2692351A (en) * | 1949-12-31 | 1954-10-19 | Bell Telephone Labor Inc | Electron beam amplifier |
DE1026006B (de) * | 1957-04-11 | 1958-03-13 | Siemens Ag | Strahlerzeugungssystem fuer elektrische Entladungsgefaesse, insbesondere Laufzeitroehren |
GB888577A (en) * | 1958-04-24 | 1962-01-31 | Emi Ltd | Improvements in or relating to electron discharge devices |
US3073987A (en) * | 1959-12-17 | 1963-01-15 | Raytheon Co | Electron discharge device with getter |
-
0
- NL NL292484D patent/NL292484A/xx unknown
-
1962
- 1962-05-09 DE DES79366A patent/DE1298648B/de active Pending
-
1963
- 1963-01-10 CH CH27563A patent/CH409156A/de unknown
- 1963-05-07 US US279354A patent/US3299311A/en not_active Expired - Lifetime
- 1963-05-08 GB GB18128/63A patent/GB1039884A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH409156A (de) | 1966-03-15 |
GB1039884A (en) | 1966-08-24 |
DE1298648B (de) | 1969-07-03 |
US3299311A (en) | 1967-01-17 |