GB1580549A - Varistors - Google Patents

Varistors Download PDF

Info

Publication number
GB1580549A
GB1580549A GB3735577A GB3735577A GB1580549A GB 1580549 A GB1580549 A GB 1580549A GB 3735577 A GB3735577 A GB 3735577A GB 3735577 A GB3735577 A GB 3735577A GB 1580549 A GB1580549 A GB 1580549A
Authority
GB
United Kingdom
Prior art keywords
varistor
mol percent
silicon dioxide
approximately
sintered
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
GB3735577A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1580549A publication Critical patent/GB1580549A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-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
    • H01C7/10Non-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
    • H01C7/105Varistor cores
    • H01C7/108Metal oxide
    • H01C7/112ZnO type
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/453Shaped 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Thermistors And Varistors (AREA)
GB3735577A 1976-09-07 1977-09-07 Varistors Expired GB1580549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72105276A 1976-09-07 1976-09-07

Publications (1)

Publication Number Publication Date
GB1580549A true GB1580549A (en) 1980-12-03

Family

ID=24896335

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3735577A Expired GB1580549A (en) 1976-09-07 1977-09-07 Varistors

Country Status (5)

Country Link
JP (1) JPS5912001B2 (enrdf_load_stackoverflow)
DE (1) DE2739848A1 (enrdf_load_stackoverflow)
FR (1) FR2363872A1 (enrdf_load_stackoverflow)
GB (1) GB1580549A (enrdf_load_stackoverflow)
NL (1) NL184246C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619620A1 (de) * 1986-06-11 1987-12-17 Siemens Ag Verfahren zur herstellung keramischen zinkoxid-varistormaterials und verwendung des nach diesem verfahren hergestellten materials
EP3819921A3 (en) * 2020-11-11 2021-06-16 RIPD Intellectual Assets Ltd Zinc oxide varistor ceramics

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233603A (en) * 1978-11-16 1980-11-11 General Electric Company Multiplexed varistor-controlled liquid crystal display
DE3123599A1 (de) * 1980-06-18 1982-04-15 General Electric Co., Schenectady, N.Y. "stabile zusammensetzung fuer einen zinkoxid-varistor"
JPS60214212A (ja) * 1984-04-10 1985-10-26 Mitsutoyo Mfg Co Ltd 測定装置
JPS6254568A (ja) * 1985-09-02 1987-03-10 Sumitomo Light Metal Ind Ltd 取付けブロツクとヒ−トパイプ管体のはんだ付方法
EP0667626A3 (en) * 1994-02-10 1996-04-17 Hitachi Ltd Voltage dependent nonlinear resistance and manufacturing process.
EP2305622B1 (en) 2009-10-01 2015-08-12 ABB Technology AG High field strength varistor material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143192B2 (enrdf_load_stackoverflow) * 1971-08-19 1976-11-19
JPS5140947B2 (enrdf_load_stackoverflow) * 1972-03-01 1976-11-06
FR2176589A1 (en) * 1972-03-24 1973-11-02 Matsushita Electric Ind Co Ltd Voltage dependent resistors - sintered zinc oxide with silicon dioxide and other selected metal oxides
DE2215933C3 (de) * 1972-03-29 1975-04-10 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) Spannungsabhängige Masse widerstände
JPS5513124B2 (enrdf_load_stackoverflow) * 1972-10-30 1980-04-07
DD103084A1 (enrdf_load_stackoverflow) * 1973-03-23 1974-01-05
CA1029133A (en) * 1974-02-20 1978-04-04 Mikio Matsuura Voltage-dependent resistor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619620A1 (de) * 1986-06-11 1987-12-17 Siemens Ag Verfahren zur herstellung keramischen zinkoxid-varistormaterials und verwendung des nach diesem verfahren hergestellten materials
EP3819921A3 (en) * 2020-11-11 2021-06-16 RIPD Intellectual Assets Ltd Zinc oxide varistor ceramics
US11170917B1 (en) 2020-11-11 2021-11-09 Ripd Intellectual Assets Ltd Zinc oxide varistor ceramics
US11501900B2 (en) 2020-11-11 2022-11-15 RIPD Intellectual Assets Ltd. Zinc oxide varistor ceramics

Also Published As

Publication number Publication date
FR2363872A1 (fr) 1978-03-31
NL184246C (nl) 1989-05-16
JPS5344900A (en) 1978-04-22
NL184246B (nl) 1988-12-16
DE2739848A1 (de) 1978-03-30
NL7709862A (nl) 1978-03-09
FR2363872B1 (enrdf_load_stackoverflow) 1983-03-11
JPS5912001B2 (ja) 1984-03-19
DE2739848C2 (enrdf_load_stackoverflow) 1989-08-10

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19970906