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DE69017898D1 - Photoemitter. - Google Patents

Photoemitter.

Info

Publication number
DE69017898D1
DE69017898D1 DE69017898T DE69017898T DE69017898D1 DE 69017898 D1 DE69017898 D1 DE 69017898D1 DE 69017898 T DE69017898 T DE 69017898T DE 69017898 T DE69017898 T DE 69017898T DE 69017898 D1 DE69017898 D1 DE 69017898D1
Authority
DE
Germany
Prior art keywords
photo emitter
emitter
photo
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
DE69017898T
Other languages
English (en)
Other versions
DE69017898T2 (de
Inventor
Yoshihiko Mizushima
Toru Hirohata
Tsuneo Ihara
Minoru Niigaki
Kenichi Sugimoto
Koichiro Oba
Toshihiro Suzuki
Tomoko Suzuki
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
Application granted granted Critical
Publication of DE69017898D1 publication Critical patent/DE69017898D1/de
Publication of DE69017898T2 publication Critical patent/DE69017898T2/de
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
    • 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
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/308—Semiconductor cathodes, e.g. cathodes with PN junction layers
    • 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
    • H01J1/34—Photo-emissive cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes
    • H01J2201/342—Cathodes
    • H01J2201/3421—Composition of the emitting surface
    • H01J2201/3423—Semiconductors, e.g. GaAs, NEA emitters
DE69017898T 1989-03-31 1990-07-03 Photoemitter. Expired - Fee Related DE69017898T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8172789A JP2798696B2 (ja) 1989-03-31 1989-03-31 光電子放射体
EP90112718A EP0464242B1 (de) 1989-03-31 1990-07-03 Photoemitter

Publications (2)

Publication Number Publication Date
DE69017898D1 true DE69017898D1 (de) 1995-04-20
DE69017898T2 DE69017898T2 (de) 1995-07-06

Family

ID=40139158

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017898T Expired - Fee Related DE69017898T2 (de) 1989-03-31 1990-07-03 Photoemitter.

Country Status (4)

Country Link
US (1) US5138191A (de)
EP (1) EP0464242B1 (de)
JP (1) JP2798696B2 (de)
DE (1) DE69017898T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336902A (en) * 1992-10-05 1994-08-09 Hamamatsu Photonics K.K. Semiconductor photo-electron-emitting device
EP0642147B1 (de) * 1993-09-02 1999-07-07 Hamamatsu Photonics K.K. Photoemitter, Elektronenröhre, und Photodetektor
US5684360A (en) * 1995-07-10 1997-11-04 Intevac, Inc. Electron sources utilizing negative electron affinity photocathodes with ultra-small emission areas

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958143A (en) * 1973-01-15 1976-05-18 Varian Associates Long-wavelength photoemission cathode
US4527179A (en) * 1981-02-09 1985-07-02 Semiconductor Energy Laboratory Co., Ltd. Non-single-crystal light emitting semiconductor device
JPS58180078A (ja) * 1982-04-15 1983-10-21 Fujitsu Ltd 光半導体装置
JPS6050979A (ja) * 1983-08-30 1985-03-22 Semiconductor Energy Lab Co Ltd 発光半導体装置
JPS60165772A (ja) * 1984-02-09 1985-08-28 Toshiba Corp 発光素子
JPH0750795B2 (ja) * 1985-03-28 1995-05-31 キヤノン株式会社 発光素子
US4920387A (en) * 1985-08-26 1990-04-24 Canon Kabushiki Kaisha Light emitting device
JPS63128775A (ja) * 1986-11-19 1988-06-01 Sumitomo Metal Ind Ltd 発光素子

Also Published As

Publication number Publication date
EP0464242B1 (de) 1995-03-15
JP2798696B2 (ja) 1998-09-17
DE69017898T2 (de) 1995-07-06
JPH02260349A (ja) 1990-10-23
US5138191A (en) 1992-08-11
EP0464242A1 (de) 1992-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee