GB2214347B - Secondary electron multiplier - Google Patents

Secondary electron multiplier

Info

Publication number
GB2214347B
GB2214347B GB8901625A GB8901625A GB2214347B GB 2214347 B GB2214347 B GB 2214347B GB 8901625 A GB8901625 A GB 8901625A GB 8901625 A GB8901625 A GB 8901625A GB 2214347 B GB2214347 B GB 2214347B
Authority
GB
United Kingdom
Prior art keywords
secondary electron
electron multiplier
multiplier
electron
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 - Fee Related
Application number
GB8901625A
Other languages
English (en)
Other versions
GB8901625D0 (en
GB2214347A (en
Inventor
Kazuyoshi Okano
Kimitsugu Nakamura
Hiroyuki Kyushima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
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.)
Filing date
Publication date
Application filed by Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Publication of GB8901625D0 publication Critical patent/GB8901625D0/en
Publication of GB2214347A publication Critical patent/GB2214347A/en
Application granted granted Critical
Publication of GB2214347B publication Critical patent/GB2214347B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H01J43/22—Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
GB8901625A 1988-01-26 1989-01-25 Secondary electron multiplier Expired - Fee Related GB2214347B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63015325A JPH01189846A (ja) 1988-01-26 1988-01-26 ２次電子増倍装置

Publications (3)

Publication Number Publication Date
GB8901625D0 GB8901625D0 (en) 1989-03-15
GB2214347A GB2214347A (en) 1989-08-31
GB2214347B true GB2214347B (en) 1992-05-13

Family

ID=11885622

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8901625A Expired - Fee Related GB2214347B (en) 1988-01-26 1989-01-25 Secondary electron multiplier

Country Status (3)

Country Link
US (1) US4950951A (https=)
JP (1) JPH01189846A (https=)
GB (1) GB2214347B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7417235B2 (en) * 2005-05-11 2008-08-26 El-Mul Technologies, Ltd. Particle detector for secondary ions and direct and or indirect secondary electrons

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184098A (en) * 1976-04-22 1980-01-15 S.R.C. Laboratories, Inc. Cone type dynode for photomultiplier tube
JPS5923609A (ja) * 1982-07-29 1984-02-07 Nec Corp マイクロ波低雑音増幅器
JPS5925280A (ja) * 1982-07-31 1984-02-09 Matsushita Electric Works Ltd 光入力ｍｏｓトランジスタ

Also Published As

Publication number Publication date
GB8901625D0 (en) 1989-03-15
JPH01189846A (ja) 1989-07-31
GB2214347A (en) 1989-08-31
JPH0470734B2 (https=) 1992-11-11
US4950951A (en) 1990-08-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060125