GB1250740A - - Google Patents

Info

Publication number
GB1250740A
GB1250740A GB1250740DA GB1250740A GB 1250740 A GB1250740 A GB 1250740A GB 1250740D A GB1250740D A GB 1250740DA GB 1250740 A GB1250740 A GB 1250740A
Authority
GB
United Kingdom
Prior art keywords
regions
chromium
type regions
grating
march
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 GB1250740A publication Critical patent/GB1250740A/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
    • H01J29/453Charge-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
    • H01J29/455Charge-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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/024Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025Rock drills, i.e. jumbo drills

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (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)
  • Light Receiving Elements (AREA)
  • Cold Cathode And The Manufacture (AREA)

Abstract

1,250,740. Image pick-up tubes; semiconductor targets. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 12 March, 1970 [15 March, 1969], No. 8299/71. Divided out of 1,246,260. Headings H1D and H1K. The target of a camera tube comprising an N-type semi-conductor substrate provided with a mosaic of P-type regions and with insulation between the regions, is characterized by the provision of a resistive layer formed of chromium oxide or a mixture of chromium oxide and nickel oxide having a resistance of 10<SP>12</SP>-10<SP>16</SP> ohms per square. In order to avoid capacitive effects the resistive layer should preferably be interrupted where it overlies the centres of the P-type regions. Electrode processing.-A layer mainly consisting of chromium may be vapour-deposited from a chromium nickel spiral, the substrate being at about 200‹ C. The target is then heated, e.g. to 400‹ C., in an oxidizing atmosphere (air), e.g. for ¢ hour. The thickness of the coating is about 0À05 microns or less and its resistance depends on the temperature and duration of the oxidation process. In order to provide gaps in the coating over the P-type regions, the deposition may be made through a grating of parallel wires which covers these regions; the vapour deposition is performed in two different processes between which the grating is rotated through 90 degrees.
GB1250740D 1969-03-15 1970-03-12 Expired GB1250740A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6904045A NL6904045A (en) 1969-03-15 1969-03-15

Publications (1)

Publication Number Publication Date
GB1250740A true GB1250740A (en) 1971-10-20

Family

ID=19806426

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1250740D Expired GB1250740A (en) 1969-03-15 1970-03-12
GB01912/70A Expired GB1246260A (en) 1969-03-15 1970-03-12 Television camera tube

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB01912/70A Expired GB1246260A (en) 1969-03-15 1970-03-12 Television camera tube

Country Status (8)

Country Link
US (1) US3793571A (en)
BE (1) BE747377A (en)
CH (1) CH506180A (en)
DE (1) DE2011325A1 (en)
FR (1) FR2038010A5 (en)
GB (2) GB1250740A (en)
NL (1) NL6904045A (en)
SE (1) SE361106B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2224748B1 (en) * 1973-04-04 1976-05-21 Telecommunications Sa
US3919582A (en) * 1973-06-28 1975-11-11 Rca Corp Target mounting structure for use in camera tube
US4038606A (en) * 1974-02-14 1977-07-26 U.S. Philips Corporation Semiconductor device for storing and non-destructively reading image information and memory system comprising such a device
JPS522277B2 (en) * 1974-07-10 1977-01-20
US4103203A (en) * 1974-09-09 1978-07-25 Rca Corporation Wafer mounting structure for pickup tube
NL7607095A (en) * 1976-06-29 1978-01-02 Philips Nv METHOD FOR A RECORDING TUBE, AND METHOD OF MANUFACTURE THEREOF.
US4389591A (en) * 1978-02-08 1983-06-21 Matsushita Electric Industrial Company, Limited Image storage target and image pick-up and storage tube
SE461110B (en) * 1987-08-31 1990-01-08 Gruvprodukter I Gaellivare Ab DEVICE FOR OPERATING MOUNTED MOUNTAIN SHAKES
US6898890B2 (en) * 2003-03-28 2005-05-31 American Technologies Network Corp. Night-vision optical device having controlled life expectancy
US7735840B2 (en) * 2007-08-02 2010-06-15 Bbc International Llc Roller shoe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419746A (en) * 1967-05-25 1968-12-31 Bell Telephone Labor Inc Light sensitive storage device including diode array
US3428850A (en) * 1967-09-12 1969-02-18 Bell Telephone Labor Inc Cathode ray storage devices
US3574143A (en) * 1969-02-19 1971-04-06 Bell Telephone Labor Inc Resistive composition of matter and device utilizing same

Also Published As

Publication number Publication date
DE2011325A1 (en) 1970-10-01
US3793571A (en) 1974-02-19
GB1246260A (en) 1971-09-15
BE747377A (en) 1970-09-14
SE331071B (en) 1970-12-14
NL6904045A (en) 1970-09-17
FR2038010A5 (en) 1970-12-31
SE361106B (en) 1973-10-15
CH506180A (en) 1971-04-15

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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