GB1286134A - Voltage dependent resistors - Google Patents

Voltage dependent resistors

Info

Publication number
GB1286134A
GB1286134A GB54673/69A GB5467369A GB1286134A GB 1286134 A GB1286134 A GB 1286134A GB 54673/69 A GB54673/69 A GB 54673/69A GB 5467369 A GB5467369 A GB 5467369A GB 1286134 A GB1286134 A GB 1286134A
Authority
GB
United Kingdom
Prior art keywords
per cent
mole per
sro
pbo
voltage dependent
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
GB54673/69A
Other languages
English (en)
Inventor
Michio Matsuoka
Takeshi Masuyama
Yoshio Iida
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1286134A publication Critical patent/GB1286134A/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
    • H01C7/10—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
    • 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

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)
GB54673/69A 1968-11-08 1969-11-07 Voltage dependent resistors Expired GB1286134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8212568 1968-11-08

Publications (1)

Publication Number Publication Date
GB1286134A true GB1286134A (en) 1972-08-23

Family

ID=13765678

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54673/69A Expired GB1286134A (en) 1968-11-08 1969-11-07 Voltage dependent resistors

Country Status (6)

Country Link
US (1) US3598763A (nl)
CA (1) CA918408A (nl)
DE (1) DE1956817B2 (nl)
FR (1) FR2023507A1 (nl)
GB (1) GB1286134A (nl)
NL (1) NL150257B (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764566A (en) * 1972-03-24 1973-10-09 Matsushita Electric Ind Co Ltd Voltage nonlinear resistors
JPS5147293A (en) * 1974-10-21 1976-04-22 Matsushita Electric Ind Co Ltd Denatsuhichokusenteikoki
US4077915A (en) * 1975-09-18 1978-03-07 Tdk Electronics Co., Ltd. Non-linear resistor
US4041436A (en) * 1975-10-24 1977-08-09 Allen-Bradley Company Cermet varistors
US4147670A (en) * 1975-12-04 1979-04-03 Nippon Electric Co., Ltd. Nonohmic ZnO ceramics including Bi2 O3, CoO, MnO, Sb2 O.sub.3
US4146677A (en) * 1977-08-18 1979-03-27 Trw Inc. Resistor material, resistor made therefrom and method of making the same
US4172922A (en) * 1977-08-18 1979-10-30 Trw, Inc. Resistor material, resistor made therefrom and method of making the same
GB2242068C (en) * 1990-03-16 1996-01-24 Ecco Ltd Varistor manufacturing method and apparatus
GB9005990D0 (en) * 1990-03-16 1990-05-09 Ecco Ltd Varistor powder compositions
GB2242067B (en) * 1990-03-16 1994-05-04 Ecco Ltd Varistor configurations
US5973588A (en) * 1990-06-26 1999-10-26 Ecco Limited Multilayer varistor with pin receiving apertures
GB2242066B (en) * 1990-03-16 1994-04-27 Ecco Ltd Varistor structures
US6183685B1 (en) 1990-06-26 2001-02-06 Littlefuse Inc. Varistor manufacturing method

Also Published As

Publication number Publication date
DE1956817A1 (de) 1970-07-02
NL6916845A (nl) 1970-05-12
NL150257B (nl) 1976-07-15
CA918408A (en) 1973-01-09
US3598763A (en) 1971-08-10
FR2023507A1 (nl) 1970-08-21
DE1956817B2 (de) 1972-06-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years