GB1413015A - Television camera tube target construction - Google Patents

Television camera tube target construction

Info

Publication number
GB1413015A
GB1413015A GB458573A GB458573A GB1413015A GB 1413015 A GB1413015 A GB 1413015A GB 458573 A GB458573 A GB 458573A GB 458573 A GB458573 A GB 458573A GB 1413015 A GB1413015 A GB 1413015A
Authority
GB
United Kingdom
Prior art keywords
layer
bismuth
resistivity
ohm
array
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
GB458573A
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.)
Philips North America LLC
US Philips Corp
Original Assignee
US Philips Corp
North American Philips Corp
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 US Philips Corp, North American Philips Corp filed Critical US Philips Corp
Publication of GB1413015A publication Critical patent/GB1413015A/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
    • 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
    • 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
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Measurement Of Radiation (AREA)

Abstract

1413015 Camera tubes; targets NORTH AMERICAN PHILIPS CORP 30 Jan 1973 [1 Feb 1972 29 March 1972] 4585/73 Headings H1D and H1K A target 10 for a camera tube comprises a silicon or germanium wafer 11 of one conductivity type within array of regions 12 of the other type formed by diffusing impurities through apertures in a silicon dioxide insulating layer 13 thus forming an array of rectifying junctions each surrounded by a non-rectifying region, the target being covered by a layer 14 of a bismuth compound, e.g. the oxide, having a resistivity of about 10<SP>9</SP> ohm cm., the layer 14 being sufficiently thin to permit penetration by electrons. A further layer (not shown) can be applied to layer 14, the further layer also having a resistivity of 10<SP>9</SP> ohm cm., e.g. cadmium telluride, antimony trisulphide, or hafnium tantalum nitride. Bismuth compounds are selected for the layer 14 because of their suitable resistivity and absorption of X-rays generated in the tube. The bismuth oxide layer is formed by esxposing the wafer to bismuth vapour in a vacuum spoilt by a controlled oxygen leak. The cadmium telluride is applied by vapour deposition in a vacuum.
GB458573A 1972-02-01 1973-01-30 Television camera tube target construction Expired GB1413015A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22263272A 1972-02-01 1972-02-01
US23920872A 1972-03-29 1972-03-29

Publications (1)

Publication Number Publication Date
GB1413015A true GB1413015A (en) 1975-11-05

Family

ID=26917008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB458573A Expired GB1413015A (en) 1972-02-01 1973-01-30 Television camera tube target construction

Country Status (7)

Country Link
JP (1) JPS5118768B2 (en)
CA (1) CA960741A (en)
DE (1) DE2303748A1 (en)
FR (1) FR2170067B1 (en)
GB (1) GB1413015A (en)
IT (1) IT977695B (en)
NL (1) NL158318B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5030415A (en) * 1973-07-18 1975-03-26
JPS53152866U (en) * 1977-05-09 1978-12-01

Also Published As

Publication number Publication date
JPS4887719A (en) 1973-11-17
JPS5118768B2 (en) 1976-06-12
CA960741A (en) 1975-01-07
FR2170067B1 (en) 1978-05-26
IT977695B (en) 1974-09-20
FR2170067A1 (en) 1973-09-14
NL7301205A (en) 1973-08-03
DE2303748A1 (en) 1973-08-09
NL158318B (en) 1978-10-16

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Legal Events

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