FR607697A - Advanced process for emptying vacuum tubes - Google Patents
Advanced process for emptying vacuum tubesInfo
- Publication number
- FR607697A FR607697A FR607697DA FR607697A FR 607697 A FR607697 A FR 607697A FR 607697D A FR607697D A FR 607697DA FR 607697 A FR607697 A FR 607697A
- Authority
- FR
- France
- Prior art keywords
- vacuum tubes
- advanced process
- emptying vacuum
- emptying
- advanced
- 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
- 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
- H01J7/186—Getter supports
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR607697T | 1925-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR607697A true FR607697A (en) | 1926-07-07 |
Family
ID=8975563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR607697D Expired FR607697A (en) | 1925-03-25 | 1925-03-25 | Advanced process for emptying vacuum tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR607697A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739330C (en) * | 1936-01-26 | 1943-09-21 | Siemens Ag | Arrangement for gettering electrical discharge vessels with a metallic vessel wall |
-
1925
- 1925-03-25 FR FR607697D patent/FR607697A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE739330C (en) * | 1936-01-26 | 1943-09-21 | Siemens Ag | Arrangement for gettering electrical discharge vessels with a metallic vessel wall |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR790262A (en) | Process for preparing unsaturated nitriles | |
FR638437A (en) | Tube forming process | |
FR833734A (en) | Process for preparing ethers | |
FR607697A (en) | Advanced process for emptying vacuum tubes | |
FR841500A (en) | Process for preparing alkinols | |
FR635456A (en) | Process for degreasing textiles | |
FR615280A (en) | Anticathode for chi-ray tubes | |
FR616651A (en) | Process for cooling coke | |
FR775059A (en) | Process for coating walls | |
FR39480E (en) | Process for making symmetrical di-aryl-guanidines | |
FR778221A (en) | Process for removing molybdenum from materials containing it | |
FR780923A (en) | Process for cleaning pipes | |
FR844226A (en) | Process for preparing beta-aralkylamines | |
FR812851A (en) | Process for improving textiles | |
FR781960A (en) | Process for preparing amines | |
FR826895A (en) | Process for filling siphons | |
FR625818A (en) | Process for drying buildings | |
FR643986A (en) | Advanced process for making briquettes | |
FR661967A (en) | Method of arrangement of cathodes for indirectly heated vacuum tubes | |
FR844227A (en) | Process for preparing amines | |
FR844893A (en) | Process for preparing diolefins | |
FR611773A (en) | Process for drying materials | |
FR686444A (en) | electrodes for vacuum tubes | |
FR614582A (en) | Process and machine for the production of seamless tubes | |
FR703654A (en) | Sealing for vacuum tubes |