CA918408A - Manganese-modified zinc oxide voltage variable resistor - Google Patents

Manganese-modified zinc oxide voltage variable resistor

Info

Publication number
CA918408A
CA918408A CA066468A CA66468A CA918408A CA 918408 A CA918408 A CA 918408A CA 066468 A CA066468 A CA 066468A CA 66468 A CA66468 A CA 66468A CA 918408 A CA918408 A CA 918408A
Authority
CA
Canada
Prior art keywords
manganese
zinc oxide
variable resistor
voltage variable
modified zinc
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
CA066468A
Inventor
Iida Yoshio
Masuyama Takeshi
Matsuoka Michio
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
Michio Matsuoka
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 Michio Matsuoka, Matsushita Electric Industrial Co Ltd filed Critical Michio Matsuoka
Application granted granted Critical
Publication of CA918408A publication Critical patent/CA918408A/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)
CA066468A 1968-11-08 1969-11-03 Manganese-modified zinc oxide voltage variable resistor Expired CA918408A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA918408A true CA918408A (en) 1973-01-09

Family

ID=13765678

Family Applications (1)

Application Number Title Priority Date Filing Date
CA066468A Expired CA918408A (en) 1968-11-08 1969-11-03 Manganese-modified zinc oxide voltage variable resistor

Country Status (6)

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

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
US4172922A (en) * 1977-08-18 1979-10-30 Trw, Inc. Resistor material, resistor made therefrom and method of making the same
US4146677A (en) * 1977-08-18 1979-03-27 Trw Inc. Resistor material, resistor made therefrom and method of making the same
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
GB2242066B (en) * 1990-03-16 1994-04-27 Ecco Ltd Varistor structures
US5973588A (en) 1990-06-26 1999-10-26 Ecco Limited Multilayer varistor with pin receiving apertures
GB2242068C (en) * 1990-03-16 1996-01-24 Ecco Ltd Varistor manufacturing method and apparatus
US6183685B1 (en) 1990-06-26 2001-02-06 Littlefuse Inc. Varistor manufacturing method

Also Published As

Publication number Publication date
FR2023507A1 (en) 1970-08-21
US3598763A (en) 1971-08-10
DE1956817B2 (en) 1972-06-22
NL150257B (en) 1976-07-15
NL6916845A (en) 1970-05-12
GB1286134A (en) 1972-08-23
DE1956817A1 (en) 1970-07-02

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