FR677545A - Manufacturing process for high emission cathodes - Google Patents
Manufacturing process for high emission cathodesInfo
- Publication number
- FR677545A FR677545A FR677545DA FR677545A FR 677545 A FR677545 A FR 677545A FR 677545D A FR677545D A FR 677545DA FR 677545 A FR677545 A FR 677545A
- Authority
- FR
- France
- Prior art keywords
- manufacturing process
- high emission
- emission cathodes
- cathodes
- manufacturing
- Prior art date
- 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
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE677545X | 1928-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR677545A true FR677545A (en) | 1930-03-11 |
Family
ID=6594123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR677545D Expired FR677545A (en) | 1928-06-30 | 1929-06-28 | Manufacturing process for high emission cathodes |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE361924A (en) |
FR (1) | FR677545A (en) |
-
0
- BE BE361924D patent/BE361924A/xx unknown
-
1929
- 1929-06-28 FR FR677545D patent/FR677545A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE361924A (en) |
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