GB1027841A - Improvements relating to pick-up tubes having photo-conductive or semi-conductive targets - Google Patents

Improvements relating to pick-up tubes having photo-conductive or semi-conductive targets

Info

Publication number
GB1027841A
GB1027841A GB389562A GB389562A GB1027841A GB 1027841 A GB1027841 A GB 1027841A GB 389562 A GB389562 A GB 389562A GB 389562 A GB389562 A GB 389562A GB 1027841 A GB1027841 A GB 1027841A
Authority
GB
United Kingdom
Prior art keywords
conductive
arsenic
pick
layer
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
Application number
GB389562A
Inventor
Hans Gerhard Lubszynski
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB389562A priority Critical patent/GB1027841A/en
Publication of GB1027841A publication Critical patent/GB1027841A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Light Receiving Elements (AREA)

Abstract

1,027,841. Photo-conductive devices; television pick-up tubes. ELECTRIC & MUSICAL INDUSTRIES Ltd. Jan. 31, 1963 [Feb. 1, 1962], No. 3895/62. Headings H1D and H1K. A pick-up tube comprises a radiation sensitive target comprising a first semi-conductor layer on a conductive film and a second layer on the first, of amorphous material including selenium and arsenic. The Figure shows a vidicon type tube, in which the target consists of a transparent conductive film 4 on the end of the glass tube 1, a thin (0À3 Á) deposited layer 5 of selenium and a deposited layer 6 (0À3 to 3 Á thick) of arsenic and selenium. The proportion of arsenic may vary between 3% and 36% by weight. A smaller amount of arsenic (5 to 10%) or other impurity may be provided in the first layer 5.
GB389562A 1962-02-01 1962-02-01 Improvements relating to pick-up tubes having photo-conductive or semi-conductive targets Expired GB1027841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB389562A GB1027841A (en) 1962-02-01 1962-02-01 Improvements relating to pick-up tubes having photo-conductive or semi-conductive targets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB389562A GB1027841A (en) 1962-02-01 1962-02-01 Improvements relating to pick-up tubes having photo-conductive or semi-conductive targets

Publications (1)

Publication Number Publication Date
GB1027841A true GB1027841A (en) 1966-04-27

Family

ID=9766898

Family Applications (1)

Application Number Title Priority Date Filing Date
GB389562A Expired GB1027841A (en) 1962-02-01 1962-02-01 Improvements relating to pick-up tubes having photo-conductive or semi-conductive targets

Country Status (1)

Country Link
GB (1) GB1027841A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517241A (en) * 1966-08-31 1970-06-23 Japan Broadcasting Corp Photoconductive target comprising aluminum,selenium and arsenic triselenide layers
US3612935A (en) * 1969-03-17 1971-10-12 Gen Electrodynamics Corp Selenium-sulfur photoconductive target

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517241A (en) * 1966-08-31 1970-06-23 Japan Broadcasting Corp Photoconductive target comprising aluminum,selenium and arsenic triselenide layers
US3612935A (en) * 1969-03-17 1971-10-12 Gen Electrodynamics Corp Selenium-sulfur photoconductive target

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