GB1135460A - Photoconductive device and method - Google Patents

Photoconductive device and method

Info

Publication number
GB1135460A
GB1135460A GB46631/66A GB4663166A GB1135460A GB 1135460 A GB1135460 A GB 1135460A GB 46631/66 A GB46631/66 A GB 46631/66A GB 4663166 A GB4663166 A GB 4663166A GB 1135460 A GB1135460 A GB 1135460A
Authority
GB
United Kingdom
Prior art keywords
layer
photo
selenium
electrode
germanium
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
GB46631/66A
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of GB1135460A publication Critical patent/GB1135460A/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
    • H01J29/451Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen with photosensitive junctions
    • H01J29/456Charge-storage screens exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen with photosensitive junctions exhibiting no discontinuities, e.g. consisting of uniform layers
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24Vacuum evaporation
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02Charge-receiving layers
    • G03G5/04Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/043Photoconductive layers characterised by having two or more layers or characterised by their composite structure
    • G03G5/0433Photoconductive layers characterised by having two or more layers or characterised by their composite structure all layers being inorganic
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02Charge-receiving layers
    • G03G5/04Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/08Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being inorganic
    • G03G5/082Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being inorganic and not being incorporated in a bonding material, e.g. vacuum deposited
    • G03G5/08207Selenium-based
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/20Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/233Manufacture of photoelectric screens or charge-storage screens
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Light Receiving Elements (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)

Abstract

1,135,460. Image pick-up tubes; photoconductive elements. RADIO CORPORATION OF AMERICA. 18 Oct., 1966 [15 Nov., 1966], No. 46631/66. Headings H1D and H1K. [Also in Division C7] In a photo-conductive element, such as a target for a pick-up tube, comprising an electrode associated with a photo-conductive layer consisting primarily of selenium and tellurium, the tellurium content decreases uniformly from the electrode face to the opposite face. Typically the electrode is a tin oxide or rhodium deposit on a glass face plate and the photo-conductive layer, which preferably contains arsenic, abuts it. Alternatively, a layer of low work function material such as pure selenium, or caesium or cerium as metal, oxide or selenide is provided between the electrode and the photo-conductor and forms a PN junction with the latter. The vitreous structure of the layer may be stabilized by a layer of suitable material at one or both faces. Gold, silver, palladium, iridium, antimony, germanium, gallium and the oxides of gallium and germanium may be used for this purpose on the electrode side and germanium, germanium oxide and antimony trioxide or trisulphide on the other. The target may be made by vapour depositing the layers in sequence on the glass face plate, the layer thicknesses being continuously monitored. Grading of the photo-conductive layer is achieved by introducing pellets of a selenium-telluriumarsenic mixture into a heated evaporation boat at a varying rate so that initially each pellet is completely evaporated before the next is introduced. Later, the rate is increased so that the composition of the layer is then determined to any increasing extent by the greater volatility of the selenium. Grading the tellurium content gives the layer as a whole a panchromatic response without sacrificing the high overall dark-resistivity and good resolution characteristic of a selenium layer.
GB46631/66A 1965-11-15 1966-10-18 Photoconductive device and method Expired GB1135460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US507728A US3350595A (en) 1965-11-15 1965-11-15 Low dark current photoconductive device

Publications (1)

Publication Number Publication Date
GB1135460A true GB1135460A (en) 1968-12-04

Family

ID=24019868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46631/66A Expired GB1135460A (en) 1965-11-15 1966-10-18 Photoconductive device and method

Country Status (7)

Country Link
US (1) US3350595A (en)
JP (1) JPS4613044Y1 (en)
DE (1) DE1564544B2 (en)
FR (1) FR1501227A (en)
GB (1) GB1135460A (en)
NL (1) NL153377B (en)
SE (1) SE334539B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816116A (en) * 1970-12-29 1974-06-11 Canon Kk N-type photosensitive member for electrophotography
US3990894A (en) * 1969-10-29 1976-11-09 Katsuragawa Denki Kabushiki Kaisha Method of preparing photosensitive element for use in electrophotography
US4126457A (en) * 1973-05-30 1978-11-21 Xerox Corporation Evaporation technique for producing high temperature photoreceptor alloys
FR2454176A1 (en) * 1979-04-11 1980-11-07 Philips Nv TELEVISION TAKING TUBE, WITH IMPROVED LOCK AGAINST ELECTRON INJECTION INTO THE TARGET
FR2458100A1 (en) * 1979-05-31 1980-12-26 Ricoh Kk PHOTOCONDUCTIVE MATERIAL FOR ELECTROPHOTOGRAPHIC COPYING MACHINE

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3405298A (en) * 1965-03-04 1968-10-08 Rca Corp Photoconductive device having a target including a selenium blocking layer
GB1163974A (en) * 1966-02-28 1969-09-10 Hitachi Ltd Photoconductive Film
US3517241A (en) * 1966-08-31 1970-06-23 Japan Broadcasting Corp Photoconductive target comprising aluminum,selenium and arsenic triselenide layers
US3539883A (en) * 1967-03-15 1970-11-10 Ion Physics Corp Antireflection coatings for semiconductor devices
US3904408A (en) * 1969-11-14 1975-09-09 Canon Kk Electrophotographic member with graded tellurium content
US3922579A (en) * 1970-04-22 1975-11-25 Hitachi Ltd Photoconductive target
US3861913A (en) * 1972-03-31 1975-01-21 Ibm Electrophotographic charge generation layer
US3890524A (en) * 1972-06-27 1975-06-17 Hitachi Ltd Photo-conductive target comprising both solid and porous layers
US3890525A (en) * 1972-07-03 1975-06-17 Hitachi Ltd Photoconductive target of an image pickup tube comprising graded selenium-tellurium layer
US3783324A (en) * 1972-09-11 1974-01-01 Rca Corp Photosensitive charge storage electrode having a selectively conducting protective layer of matching valence band on its surface
DE2248054B2 (en) * 1972-09-30 1974-12-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Electrophotographic recording material
DE2305407C3 (en) * 1973-02-03 1978-04-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Electroradiographic recording material
JPS5052927A (en) * 1973-09-10 1975-05-10
US4001014A (en) * 1973-09-17 1977-01-04 Matsushita Electric Industrial Co., Ltd. Electrophotographic photosensitive plate having tellurium present in varying concentrations across its thickness
US4086512A (en) * 1973-10-27 1978-04-25 U.S. Philips Corporation Camera tube employing silicon-chalcogenide target with heterojunction
DE2452934A1 (en) * 1973-12-07 1975-06-12 Xerox Corp XEROGRAPHIC ELEMENT
JPS5530657B2 (en) * 1974-06-14 1980-08-12
US4103203A (en) * 1974-09-09 1978-07-25 Rca Corporation Wafer mounting structure for pickup tube
US4021375A (en) * 1975-09-15 1977-05-03 Rca Corporation Method of fabricating polycrystalline selenium imaging devices
US4132918A (en) * 1975-09-15 1979-01-02 Rca Corporation Polycrystalline selenium imaging devices
JPS5244194A (en) * 1975-10-03 1977-04-06 Hitachi Ltd Photoelectric conversion device
US4246510A (en) * 1976-01-07 1981-01-20 The United States Of America As Represented By The Secretary Of The Army Retina for pyroelectric vidicon
US4242373A (en) * 1976-02-20 1980-12-30 Hitachi, Ltd. Method for vapor depositing a cerium oxide film
JPS6051774B2 (en) * 1976-11-17 1985-11-15 株式会社日立製作所 Image tube target
NL7805418A (en) * 1978-05-19 1979-11-21 Philips Nv TAKING TUBE.
JPS56103477A (en) * 1980-01-21 1981-08-18 Hitachi Ltd Photoelectric conversion element

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310700A (en) * 1964-05-28 1967-03-21 Rca Corp Photoconductive device incorporating stabilizing layers on the face of the selenium layer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990894A (en) * 1969-10-29 1976-11-09 Katsuragawa Denki Kabushiki Kaisha Method of preparing photosensitive element for use in electrophotography
US3816116A (en) * 1970-12-29 1974-06-11 Canon Kk N-type photosensitive member for electrophotography
US4126457A (en) * 1973-05-30 1978-11-21 Xerox Corporation Evaporation technique for producing high temperature photoreceptor alloys
FR2454176A1 (en) * 1979-04-11 1980-11-07 Philips Nv TELEVISION TAKING TUBE, WITH IMPROVED LOCK AGAINST ELECTRON INJECTION INTO THE TARGET
FR2458100A1 (en) * 1979-05-31 1980-12-26 Ricoh Kk PHOTOCONDUCTIVE MATERIAL FOR ELECTROPHOTOGRAPHIC COPYING MACHINE
US4286035A (en) * 1979-05-31 1981-08-25 Ricoh Company, Ltd. Halogen doped selenium-tellurium alloy electrophotographic photoconductor

Also Published As

Publication number Publication date
US3350595A (en) 1967-10-31
DE1564544A1 (en) 1970-04-30
SE334539B (en) 1971-04-26
NL6616015A (en) 1967-05-16
JPS4613044Y1 (en) 1971-05-10
NL153377B (en) 1977-05-16
FR1501227A (en) 1967-11-10
DE1564544B2 (en) 1971-05-19

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