NL268755A - - Google Patents
Info
- Publication number
- NL268755A NL268755A NL268755DA NL268755A NL 268755 A NL268755 A NL 268755A NL 268755D A NL268755D A NL 268755DA NL 268755 A NL268755 A NL 268755A
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold 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
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62055A US3070719A (en) | 1960-10-11 | 1960-10-11 | Cathodes for magnentically-confined glow discharge apparatus |
| US78058A US3091717A (en) | 1960-12-23 | 1960-12-23 | Cathodes for magnetically-confined glow discharge devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL268755A true NL268755A (en:Method) |
Family
ID=26741815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL268755D NL268755A (en:Method) | 1960-10-11 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH400441A (en:Method) |
| DE (1) | DE1246933B (en:Method) |
| GB (2) | GB949097A (en:Method) |
| NL (1) | NL268755A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4326265A1 (de) * | 1993-08-05 | 1995-02-09 | Leybold Ag | Testgasdetektor, vorzugsweise für Lecksuchgeräte, sowie Verfahren zum Betrieb eines Testgasdetektors dieser Art |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT141377B (de) * | 1932-11-02 | 1935-04-10 | Elin Ag Elek Ind Wien | Glühkathode. |
| US2663811A (en) * | 1950-12-20 | 1953-12-22 | Westinghouse Electric Corp | Vapor-electric device |
| US2937301A (en) * | 1956-04-25 | 1960-05-17 | Edgerton Germeshausen & Grier | Electric-discharge device and cathode |
| US2937302A (en) * | 1957-05-21 | 1960-05-17 | Edgerton Germeshausen & Grier | Electric-discharge device and cathode |
| US2937304A (en) * | 1957-09-25 | 1960-05-17 | Edgerton Germeshausen & Grier | Electric-discharge device and cathode |
-
0
- NL NL268755D patent/NL268755A/xx unknown
-
1961
- 1961-09-15 GB GB3324861A patent/GB949097A/en not_active Expired
- 1961-09-25 GB GB3426761A patent/GB950770A/en not_active Expired
- 1961-10-10 CH CH1169861A patent/CH400441A/de unknown
- 1961-12-14 DE DE1961V0021742 patent/DE1246933B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB949097A (en) | 1964-02-12 |
| DE1246933B (de) | 1967-08-10 |
| GB950770A (en) | 1964-02-26 |
| CH400441A (de) | 1965-10-15 |