FR841422A - Improvements to electron multipliers - Google Patents

Improvements to electron multipliers

Info

Publication number: FR841422A
Authority: FR; France
Prior art keywords: electron multipliers; multipliers; electron
Prior art date: 1937-08-07
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

Application number

Other languages

Inventor

Joseph Gerard Van Den Francois

Priority date (The priority date 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 date listed.)

1937-08-07

Filing date

1938-07-29

Publication date

1939-05-19

1938-07-29 Application filed filed Critical

1939-05-19 Application granted granted Critical

1939-05-19 Publication of FR841422A publication Critical patent/FR841422A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/08—Cathode arrangements

FR841422D 1937-08-07 1938-07-29 Improvements to electron multipliers Expired FR841422A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB2178837A GB500356A (en)	1937-08-07	1937-08-07	Improvements in or relating to electron multipliers

Publications (1)

Publication Number	Publication Date
FR841422A true FR841422A (en)	1939-05-19

Family

ID=10168814

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR841422D Expired FR841422A (en)	1937-08-07	1938-07-29	Improvements to electron multipliers

Country Status (3)

Country	Link
BE (1)	BE432084A (en)
FR (1)	FR841422A (en)
GB (1)	GB500356A (en)

0
- BE BE432084D patent/BE432084A/xx unknown
1937
- 1937-08-07 GB GB2178837A patent/GB500356A/en not_active Expired
1938
- 1938-07-29 FR FR841422D patent/FR841422A/en not_active Expired

Also Published As

Publication number	Publication date
GB500356A (en)	1939-02-07
BE432084A (en)

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