GB1381062A - Materials suitable for use as electrical resistance materials and resistors - Google Patents

Materials suitable for use as electrical resistance materials and resistors

Info

Publication number
GB1381062A
GB1381062A GB1005473A GB1005473A GB1381062A GB 1381062 A GB1381062 A GB 1381062A GB 1005473 A GB1005473 A GB 1005473A GB 1005473 A GB1005473 A GB 1005473A GB 1381062 A GB1381062 A GB 1381062A
Authority
GB
United Kingdom
Prior art keywords
mol
per cent
materials
resistors
electrical resistance
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
GB1005473A
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP47021826A external-priority patent/JPS5144760B2/ja
Priority claimed from JP47021822A external-priority patent/JPS5140955B2/ja
Priority claimed from JP47021824A external-priority patent/JPS5140957B2/ja
Priority claimed from JP47021823A external-priority patent/JPS5140956B2/ja
Priority claimed from JP47021827A external-priority patent/JPS5140959B2/ja
Priority claimed from JP47021825A external-priority patent/JPS5140958B2/ja
Priority claimed from JP47021828A external-priority patent/JPS5140960B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1381062A publication Critical patent/GB1381062A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/453—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zinc, tin, or bismuth oxides or solid solutions thereof with other oxides, e.g. zincates, stannates or bismuthates
    • 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
    • H01C7/10—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 voltage responsive, i.e. varistors
    • H01C7/105—Varistor cores
    • H01C7/108—Metal oxide
    • H01C7/112—ZnO type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

1381062 Doped zinc oxide MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 1 March 1973 [1 March 1972(7)] 10054/73 Headings C1A and C1J [Also in Division H1] A varistor material consists of a sintered body of ZnO containing as additives 0À1-3À0 mol. per cent of Bi 2 O 3 , 0À05-3À0 mol. per cent of Sb 2 O 3 and 0À1-3À0 mol. per cent of CrF 3 . The examples given in the Specification include as further additives (i) 0À1-3À0 mol.per cent of CoO or 0À1-3À0 mol. per cent of MnO; or (ii) 0À1-3À0 mol. per cent of CoO, 0À1-3À0 mol. per cent of MnO, and one member of the group consisting of (a) 0À05-3À0 mol. per cent of Cr 2 O 3 , (b) 0À1-3À0 mol. per cent of SnO 2 , (c) 0À1-10À0 mol. per cent of SiO 2 and (d) 0À05-3À0 mol. per cent of Cr 2 O 3 and 0À1-10À0 mol. per cent of SiO 2 .
GB1005473A 1972-03-01 1973-03-01 Materials suitable for use as electrical resistance materials and resistors Expired GB1381062A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP47021826A JPS5144760B2 (en) 1972-03-01 1972-03-01
JP47021822A JPS5140955B2 (en) 1972-03-01 1972-03-01
JP47021824A JPS5140957B2 (en) 1972-03-01 1972-03-01
JP47021823A JPS5140956B2 (en) 1972-03-01 1972-03-01
JP47021827A JPS5140959B2 (en) 1972-03-01 1972-03-01
JP47021825A JPS5140958B2 (en) 1972-03-01 1972-03-01
JP47021828A JPS5140960B2 (en) 1972-03-01 1972-03-01

Publications (1)

Publication Number Publication Date
GB1381062A true GB1381062A (en) 1975-01-22

Family

ID=27563957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1005473A Expired GB1381062A (en) 1972-03-01 1973-03-01 Materials suitable for use as electrical resistance materials and resistors

Country Status (4)

Country Link
CA (1) CA968065A (en)
GB (1) GB1381062A (en)
IT (1) IT977554B (en)
NL (1) NL169653C (en)

Also Published As

Publication number Publication date
NL169653B (en) 1982-03-01
DE2310439A1 (en) 1973-09-20
NL7302905A (en) 1973-09-04
DE2310439B2 (en) 1976-03-25
CA968065A (en) 1975-05-20
IT977554B (en) 1974-09-20
NL169653C (en) 1982-08-02

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19930228