GB1239243A - - Google Patents

Info

Publication number
GB1239243A
GB1239243A GB1239243DA GB1239243A GB 1239243 A GB1239243 A GB 1239243A GB 1239243D A GB1239243D A GB 1239243DA GB 1239243 A GB1239243 A GB 1239243A
Authority
GB
United Kingdom
Prior art keywords
substrate
target
regions
photo
diode
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
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 filed Critical
Publication of GB1239243A publication Critical patent/GB1239243A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/265—Image pick-up tubes having an input of visible light and electric output with light spot scanning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B04C5/28—Multiple arrangement thereof for parallel flow
    • 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
    • H01J29/451—Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen with photosensitive junctions
    • H01J29/453—Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen with photosensitive junctions provided with diode arrays
    • H01J29/455—Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen with photosensitive junctions provided with diode arrays formed on a silicon substrate

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Light Receiving Elements (AREA)
  • Solid State Image Pick-Up Elements (AREA)

Abstract

1,239,243. Photo-electric detectors; semiconductor devices. ENGLISH ELECTRIC VALVE CO. Ltd. 14 July, 1967 [17 Sept., 1967], No. 44121/68. Headings H1D and H1K. [Also in Divisions H3-H5] An image pick-up tube combines a mosaic target having a semi-conductor substrate 1 on which an image is projected and which is preferably of P-type material such as boron-doped silicon, a mosaic of diodes preferably formed of regions 2 of N-type conductivity but possibly formed of metal, and means for scanning the diode side of the target with a light spot to generate photo-electrons which are collected by a transparent electrode adjacent the target, thereby generating video signals in the substrate. The regions 2 may be formed by diffusion of phosphorus or by ion-implantation by high energy bombardment, and the substrate should be coated with insulation 4 of silicon dioxide or nitride except over the diode regions, and a photo-emissive layer 3 is preferably deposited over at least the diode regions 2; if it covers the whole target, as shown, it must have a high lateral resistance to prevent leakage between the diodes. The collector electrode is preferably a coating of SnO 2 on the envelope and connection is made to the substrate through a P + region extending round the edge of it. In operation the collector may be earthed and the substrate maintained at - 10 volts.
GB1239243D 1968-09-17 1968-09-17 Expired GB1239243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4412168 1968-09-17

Publications (1)

Publication Number Publication Date
GB1239243A true GB1239243A (en) 1971-07-14

Family

ID=10431881

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239243D Expired GB1239243A (en) 1968-09-17 1968-09-17

Country Status (2)

Country Link
GB (1) GB1239243A (en)
NL (1) NL6914034A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494906A1 (en) * 1980-11-25 1982-05-28 Thomson Csf ELECTRON MULTIPLICATION PHOTODETECTOR TUBE FOR USE IN A COLOR VIDEO READER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494906A1 (en) * 1980-11-25 1982-05-28 Thomson Csf ELECTRON MULTIPLICATION PHOTODETECTOR TUBE FOR USE IN A COLOR VIDEO READER
EP0053530A1 (en) * 1980-11-25 1982-06-09 Thomson-Csf Electron multiplying photodetector tube for use in a colour video pick-up

Also Published As

Publication number Publication date
NL6914034A (en) 1970-03-19

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee