EP0329432A3 - Electron emitter - Google Patents

Electron emitter Download PDF

Info

Publication number
EP0329432A3
EP0329432A3 EP19890301475 EP89301475A EP0329432A3 EP 0329432 A3 EP0329432 A3 EP 0329432A3 EP 19890301475 EP19890301475 EP 19890301475 EP 89301475 A EP89301475 A EP 89301475A EP 0329432 A3 EP0329432 A3 EP 0329432A3
Authority
EP
European Patent Office
Prior art keywords
electron emitter
emitter
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.)
Granted
Application number
EP19890301475
Other versions
EP0329432B1 (en
EP0329432A2 (en
Inventor
Ken Eguchi
Haruki Kawada
Kunihiro Sakai
Hiroshi Matsuda
Kiyoshi Takimoto
Hisaaki Kawade
Yuko Morikawa
Yoshihiro Yanagisawa
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP3393688A external-priority patent/JP2715301B2/en
Priority claimed from JP63033934A external-priority patent/JPH01209643A/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP0329432A2 publication Critical patent/EP0329432A2/en
Publication of EP0329432A3 publication Critical patent/EP0329432A3/en
Application granted granted Critical
Publication of EP0329432B1 publication Critical patent/EP0329432B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J1/34—Photo-emissive cathodes
    • 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
    • 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
EP19890301475 1988-02-18 1989-02-16 Electron emitter Expired - Lifetime EP0329432B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3393688A JP2715301B2 (en) 1988-02-18 1988-02-18 Photoelectron beam conversion element
JP33934/88 1988-02-18
JP33936/88 1988-02-18
JP63033934A JPH01209643A (en) 1988-02-18 1988-02-18 Driving method for electron beam generating device

Publications (3)

Publication Number Publication Date
EP0329432A2 EP0329432A2 (en) 1989-08-23
EP0329432A3 true EP0329432A3 (en) 1990-09-05
EP0329432B1 EP0329432B1 (en) 1996-05-15

Family

ID=26372707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890301475 Expired - Lifetime EP0329432B1 (en) 1988-02-18 1989-02-16 Electron emitter

Country Status (2)

Country Link
EP (1) EP0329432B1 (en)
DE (1) DE68926467T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69419371T2 (en) * 1993-09-02 1999-12-16 Hamamatsu Photonics K.K., Hamamatsu Photoemitter, electron tube, and photodetector
EP0718865B1 (en) * 1994-12-21 2002-07-03 Hamamatsu Photonics K.K. Photomultiplier having a photocathode comprised of semiconductor material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735186A (en) * 1971-03-10 1973-05-22 Philips Corp Field emission cathode
US3921031A (en) * 1973-01-30 1975-11-18 Commissariat A L En Atomique & Electroemissive component
US4005465A (en) * 1974-06-04 1977-01-25 The United States Of America As Represented By The Secretary Of The Army Tunnel emitter photocathode
EP0041119A1 (en) * 1980-06-02 1981-12-09 International Business Machines Corporation Cold electron emission device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735186A (en) * 1971-03-10 1973-05-22 Philips Corp Field emission cathode
US3921031A (en) * 1973-01-30 1975-11-18 Commissariat A L En Atomique & Electroemissive component
US4005465A (en) * 1974-06-04 1977-01-25 The United States Of America As Represented By The Secretary Of The Army Tunnel emitter photocathode
EP0041119A1 (en) * 1980-06-02 1981-12-09 International Business Machines Corporation Cold electron emission device

Also Published As

Publication number Publication date
DE68926467T2 (en) 1996-09-19
DE68926467D1 (en) 1996-06-20
EP0329432B1 (en) 1996-05-15
EP0329432A2 (en) 1989-08-23

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