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GB790363A - Improvements in negative temperature coefficient resistors - Google Patents

Improvements in negative temperature coefficient resistors

Info

Publication number
GB790363A
GB790363A GB763654A GB763654A GB790363A GB 790363 A GB790363 A GB 790363A GB 763654 A GB763654 A GB 763654A GB 763654 A GB763654 A GB 763654A GB 790363 A GB790363 A GB 790363A
Authority
GB
United Kingdom
Prior art keywords
per cent
glass
pbo
temperature coefficient
negative temperature
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
GB763654A
Inventor
Harold Rawson
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB763654A priority Critical patent/GB790363A/en
Priority to FR1136764D priority patent/FR1136764A/en
Publication of GB790363A publication Critical patent/GB790363A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H01C7/042—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of inorganic non-metallic substances
    • H01C7/043—Oxides or oxidic compounds
    • H01C7/047—Vanadium oxides or oxidic compounds, e.g. VOx

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Glass Compositions (AREA)

Abstract

790,363. Glass compositions. BRITISH THOMSON-HOUSTON CO., Ltd. May 20, 1955 [March 16, 1954], No. 7636/54. Class 56. [Also in Group XXXVI] A resistor having a negative temperature coefficient consists of a body of glass comprising at least 30 per cent by weight of V 2 O 5 . The remainder of the glass may consist of from 70 to 5 per cent of Pb 2 O 5 or 70-40 per cent of TeO 2 . Other examples of glass composition are (i) at least 70 per cent of V 2 O 5 , less than 10 per cent of PbO and not more than 20 per cent of Pb 2 O 5 , (ii) 74 per cent V 2 O 5 , 18À5 per cent P 2 O 5 and 7À5 per cent of PbO, and (iii) 83 per cent V 2 O 5 , 9 per cent P 2 O 5 and 8À0 per cent of PbO. Alkali metal oxides or alkaline earth metal oxides may be included in the glass. The glass may be cast between chrome-iron alloy sheets, which serve as electrodes, or the electrodes may be provided by spraying or evaporating metal on to separated regions of the body. Specifications 744,205, 744,947 and 746,192 are referred to.
GB763654A 1954-03-16 1954-03-16 Improvements in negative temperature coefficient resistors Expired GB790363A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB763654A GB790363A (en) 1954-03-16 1954-03-16 Improvements in negative temperature coefficient resistors
FR1136764D FR1136764A (en) 1954-03-16 1955-03-15 Improvements to electrical resistances with negative temperature coefficient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB763654A GB790363A (en) 1954-03-16 1954-03-16 Improvements in negative temperature coefficient resistors

Publications (1)

Publication Number Publication Date
GB790363A true GB790363A (en) 1958-02-05

Family

ID=9836911

Family Applications (1)

Application Number Title Priority Date Filing Date
GB763654A Expired GB790363A (en) 1954-03-16 1954-03-16 Improvements in negative temperature coefficient resistors

Country Status (2)

Country Link
FR (1) FR1136764A (en)
GB (1) GB790363A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1256680B (en) * 1964-01-02 1967-12-21 Gen Electric Soldering glass for soldering the glass membrane of a storage electrode of a superorthicon with a support ring made of a nickel-iron alloy and a method for carrying out the soldering
US3440588A (en) * 1965-11-10 1969-04-22 Int Standard Electric Corp Glassy bistable electrical switching and memory device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1256680B (en) * 1964-01-02 1967-12-21 Gen Electric Soldering glass for soldering the glass membrane of a storage electrode of a superorthicon with a support ring made of a nickel-iron alloy and a method for carrying out the soldering
US3440588A (en) * 1965-11-10 1969-04-22 Int Standard Electric Corp Glassy bistable electrical switching and memory device

Also Published As

Publication number Publication date
FR1136764A (en) 1957-05-20

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