NL6810879A - - Google Patents
Info
- Publication number
- NL6810879A NL6810879A NL6810879A NL6810879A NL6810879A NL 6810879 A NL6810879 A NL 6810879A NL 6810879 A NL6810879 A NL 6810879A NL 6810879 A NL6810879 A NL 6810879A NL 6810879 A NL6810879 A NL 6810879A
- 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
- H01J41/14—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
-
- 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
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/183—Composition or manufacture of getters
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0097898 | 1965-06-30 | ||
| DE1967S0112258 DE1539156B2 (de) | 1965-06-30 | 1967-10-04 | Getterpumpanordnung fuer elektronenstrahlroehren und verfahren zum herstellen von getterfaehigen sinterformkoerpern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6810879A true NL6810879A (xx) | 1969-04-09 |
Family
ID=7531653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6810879A NL6810879A (xx) | 1965-06-30 | 1968-07-31 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3688150A (xx) |
| DE (1) | DE1539156B2 (xx) |
| FR (1) | FR95641E (xx) |
| GB (1) | GB1172939A (xx) |
| NL (1) | NL6810879A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2091481A (en) * | 1981-01-17 | 1982-07-28 | Sperry Ltd | Getter for Glow Discharge Devices |
| US6866624B2 (en) | 2000-12-08 | 2005-03-15 | Medtronic Ave,Inc. | Apparatus and method for treatment of malignant tumors |
| US6415016B1 (en) * | 2001-01-09 | 2002-07-02 | Medtronic Ave, Inc. | Crystal quartz insulating shell for X-ray catheter |
| US6546077B2 (en) * | 2001-01-17 | 2003-04-08 | Medtronic Ave, Inc. | Miniature X-ray device and method of its manufacture |
| US6771737B2 (en) | 2001-07-12 | 2004-08-03 | Medtronic Ave, Inc. | X-ray catheter with miniature emitter and focusing cup |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US859292A (en) * | 1903-12-10 | 1907-07-09 | Gen Electric | Electric lighting. |
| CA353329A (en) * | 1931-11-09 | 1935-10-01 | The Canadian General Electric Company | Arc discharge apparatus |
| US2788460A (en) * | 1951-05-23 | 1957-04-09 | Itt | Electrodes for electron discharge devices and methods of making same |
| NL101006C (xx) * | 1956-09-05 | |||
| FR1438212A (fr) * | 1964-07-03 | 1966-05-13 | Commissariat Energie Atomique | électrode utilisable à haute température en milieu corrosif et son procédé de fabrication |
| GB1015840A (en) * | 1964-09-08 | 1966-01-05 | Standard Telephones Cables Ltd | Thermionic valves |
| DE1283403B (de) * | 1966-08-05 | 1968-11-21 | Siemens Ag | Mittelbar geheizte Vorratskathode fuer elektrische Entladungsgefaesse |
| GB1169456A (en) * | 1966-08-17 | 1969-11-05 | Tesla Np | Grid for Power Tubes. |
-
1967
- 1967-10-04 DE DE1967S0112258 patent/DE1539156B2/de active Granted
-
1968
- 1968-07-31 NL NL6810879A patent/NL6810879A/xx unknown
- 1968-09-27 US US763412A patent/US3688150A/en not_active Expired - Lifetime
- 1968-09-30 FR FR168130A patent/FR95641E/fr not_active Expired
- 1968-10-03 GB GB46968/68A patent/GB1172939A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1539156B2 (de) | 1976-09-23 |
| FR95641E (fr) | 1971-03-26 |
| DE1539156A1 (de) | 1970-03-26 |
| US3688150A (en) | 1972-08-29 |
| GB1172939A (en) | 1969-12-03 |