GB1163974A - Photoconductive Film - Google Patents

Photoconductive Film

Info

Publication number
GB1163974A
GB1163974A GB4701/67A GB470167A GB1163974A GB 1163974 A GB1163974 A GB 1163974A GB 4701/67 A GB4701/67 A GB 4701/67A GB 470167 A GB470167 A GB 470167A GB 1163974 A GB1163974 A GB 1163974A
Authority
GB
United Kingdom
Prior art keywords
layer
metal film
photoconductive
transparent
film
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
Application number
GB4701/67A
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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1163974A publication Critical patent/GB1163974A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36Photoelectric screens; Charge-storage screens
    • H01J29/39Charge-storage screens
    • H01J29/45Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Light Receiving Elements (AREA)

Abstract

1,163,974. Photoconductive films. HITACHI Ltd. 31 Jan., 1967 [28 Feb., 1966], No. 4701/67. Heading H1K. A photo-conductive film for use as a vidicon target comprises, in sequence, a substrate 1, a transparent metal oxide conductive layer 2, an evaporated metal film 3, and a photoconductive layer 4. The purpose of the metal film 3 is to reduce the dark current of the structure, to which end it may form a blocking contact with the layer 2. If the photoconductive layer 4 is of an evaporated material selected from the group As 2 Se 3 , As 2 Se 2 S, As 2 SeS 2 , As 2 S 3 or Se, the metal film 3 may be of Ag, Al or Cu. The transparent layer 2 is preferably of SnO 2 , on a glass substrate 1.
GB4701/67A 1966-02-28 1967-01-31 Photoconductive Film Expired GB1163974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1167866 1966-02-28

Publications (1)

Publication Number Publication Date
GB1163974A true GB1163974A (en) 1969-09-10

Family

ID=11784637

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4701/67A Expired GB1163974A (en) 1966-02-28 1967-01-31 Photoconductive Film

Country Status (3)

Country Link
US (1) US3526543A (en)
FR (1) FR1512783A (en)
GB (1) GB1163974A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833675A (en) * 1953-10-01 1958-05-06 Rca Corp Method of imparting red response to a photoconductive target for a pickup tube
US2822300A (en) * 1954-03-29 1958-02-04 Horizons Inc Photoconductive material
US2844543A (en) * 1955-03-18 1958-07-22 Horizons Inc Transparent photoconductive composition
US3350595A (en) * 1965-11-15 1967-10-31 Rca Corp Low dark current photoconductive device

Also Published As

Publication number Publication date
US3526543A (en) 1970-09-01
FR1512783A (en) 1968-02-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees