FR2054137A5 - - Google Patents
Info
- Publication number
- FR2054137A5 FR2054137A5 FR7024793A FR7024793A FR2054137A5 FR 2054137 A5 FR2054137 A5 FR 2054137A5 FR 7024793 A FR7024793 A FR 7024793A FR 7024793 A FR7024793 A FR 7024793A FR 2054137 A5 FR2054137 A5 FR 2054137A5
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
-
- 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
- H01J23/04—Cathodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691934067 DE1934067C (de) | 1969-07-04 | Vorratskathode großer Dimension und Verfahren zu ihrer Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2054137A5 true FR2054137A5 (de) | 1971-04-16 |
Family
ID=5738926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7024793A Expired FR2054137A5 (de) | 1969-07-04 | 1970-07-03 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3614514A (de) |
FR (1) | FR2054137A5 (de) |
GB (1) | GB1269028A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103374755A (zh) * | 2012-04-28 | 2013-10-30 | 洛阳高科钼钨材料有限公司 | 非整体式坩埚 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1283402B (de) * | 1966-03-29 | 1968-11-21 | Siemens Ag | Mittelbar geheizte Vorratskathode fuer elektrische Entladungsgefaesse |
-
1970
- 1970-07-02 US US51891A patent/US3614514A/en not_active Expired - Lifetime
- 1970-07-03 GB GB32321/70A patent/GB1269028A/en not_active Expired
- 1970-07-03 FR FR7024793A patent/FR2054137A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1934067B2 (de) | 1972-08-31 |
GB1269028A (en) | 1972-03-29 |
US3614514A (en) | 1971-10-19 |
DE1934067A1 (de) | 1971-01-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |