FR2331887A1 - Photoelectric device has oxide layer on electrode - under photoconductive layer, reducing dark current - Google Patents

Photoelectric device has oxide layer on electrode - under photoconductive layer, reducing dark current

Info

Publication number
FR2331887A1
FR2331887A1 FR7633586A FR7633586A FR2331887A1 FR 2331887 A1 FR2331887 A1 FR 2331887A1 FR 7633586 A FR7633586 A FR 7633586A FR 7633586 A FR7633586 A FR 7633586A FR 2331887 A1 FR2331887 A1 FR 2331887A1
Authority
FR
France
Prior art keywords
electrode
dark current
photoelectric device
oxide
oxide layer
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
FR7633586A
Other languages
French (fr)
Other versions
FR2331887B1 (en
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 JP50137184A external-priority patent/JPS5261486A/en
Priority claimed from JP50138142A external-priority patent/JPS5263090A/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2331887A1 publication Critical patent/FR2331887A1/en
Application granted granted Critical
Publication of FR2331887B1 publication Critical patent/FR2331887B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/233—Manufacture of photoelectric screens or charge-storage screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/39—Charge-storage screens
    • H01J29/45—Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Light Receiving Elements (AREA)

Abstract

Photoelectric device has a first electrode with a first oxide coating based on oxide(s) of Cd, B, Sc, Y, Tl, Zr, Hf, Th, La, Bi, V, Nb, Ta and/or Fe and then a photoconductive coating. It can also have a second oxide coating, adjacent to the first, contg. oxide(s) of the above element(s), Pb, Ce, Ge, Sb, Zn, Al, Si, W and/or Te but not the same as those in the first coating. It can be used esp. as target electrode or screen, which can reduce the dark current of a TV camera tube. The electrode is formed on a transparent substrate, which is exposed to light on the other side. E.g. a transparent SnO2 electrode on a glass substrate was coated with Nb2O5, Se and Sb2S3.
FR7633586A 1975-11-17 1976-11-08 Photoelectric device has oxide layer on electrode - under photoconductive layer, reducing dark current Granted FR2331887A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50137184A JPS5261486A (en) 1975-11-17 1975-11-17 Photoelectric converting device and its production
JP50138142A JPS5263090A (en) 1975-11-19 1975-11-19 Photosensitive device and its production

Publications (2)

Publication Number Publication Date
FR2331887A1 true FR2331887A1 (en) 1977-06-10
FR2331887B1 FR2331887B1 (en) 1979-03-09

Family

ID=26470597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633586A Granted FR2331887A1 (en) 1975-11-17 1976-11-08 Photoelectric device has oxide layer on electrode - under photoconductive layer, reducing dark current

Country Status (3)

Country Link
DE (1) DE2652436A1 (en)
FR (1) FR2331887A1 (en)
NL (1) NL7612800A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412937A1 (en) * 1977-12-26 1979-07-20 Sony Corp SHOOTING TUBE
EP0005543A1 (en) * 1978-05-19 1979-11-28 Hitachi, Ltd. Photosensor
EP0031663A2 (en) * 1979-12-14 1981-07-08 Hitachi, Ltd. Photoelectric device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412937A1 (en) * 1977-12-26 1979-07-20 Sony Corp SHOOTING TUBE
EP0005543A1 (en) * 1978-05-19 1979-11-28 Hitachi, Ltd. Photosensor
EP0031663A2 (en) * 1979-12-14 1981-07-08 Hitachi, Ltd. Photoelectric device
EP0031663A3 (en) * 1979-12-14 1982-04-21 Hitachi, Ltd. Photoelectric device

Also Published As

Publication number Publication date
FR2331887B1 (en) 1979-03-09
NL7612800A (en) 1977-05-20
DE2652436A1 (en) 1977-05-26

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Legal Events

Date Code Title Description
ST Notification of lapse