IE73644B1 - Varistor ink formulations - Google Patents

Varistor ink formulations

Info

Publication number
IE73644B1
IE73644B1 IE87091A IE87091A IE73644B1 IE 73644 B1 IE73644 B1 IE 73644B1 IE 87091 A IE87091 A IE 87091A IE 87091 A IE87091 A IE 87091A IE 73644 B1 IE73644 B1 IE 73644B1
Authority
IE
Ireland
Prior art keywords
oxide
particle size
ceramic
ink
varistor
Prior art date
Application number
IE87091A
Other languages
English (en)
Other versions
IE910870A1 (en
Inventor
Stephen P Cowman
Derek A Nicker
John M Shreeve
Original Assignee
Ecco 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10672748&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IE73644(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ecco Ltd filed Critical Ecco Ltd
Publication of IE910870A1 publication Critical patent/IE910870A1/en
Publication of IE73644B1 publication Critical patent/IE73644B1/en

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
    • 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

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)
IE87091A 1990-03-16 1991-03-15 Varistor ink formulations IE73644B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9005991A GB2242065C (en) 1990-03-16 1990-03-16 Varistor ink formulations

Publications (2)

Publication Number Publication Date
IE910870A1 IE910870A1 (en) 1991-09-25
IE73644B1 true IE73644B1 (en) 1997-06-18

Family

ID=10672748

Family Applications (1)

Application Number Title Priority Date Filing Date
IE87091A IE73644B1 (en) 1990-03-16 1991-03-15 Varistor ink formulations

Country Status (5)

Country Link
JP (1) JP3043826B2 (et)
DE (1) DE4108674A1 (et)
FR (1) FR2659785A1 (et)
GB (1) GB2242065C (et)
IE (1) IE73644B1 (et)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5973588A (en) 1990-06-26 1999-10-26 Ecco Limited Multilayer varistor with pin receiving apertures
KR940010133A (ko) * 1992-10-20 1994-05-24 모리시타 요이찌 산화아연바리스터의 제조방법
US5770113A (en) * 1995-03-06 1998-06-23 Matsushita Electric Industrial Co., Ltd. Zinc oxide ceramics and method for producing the same
US5739742A (en) * 1995-08-31 1998-04-14 Matsushita Electric Industrial Co., Ltd. Zinc oxide ceramics and method for producing the same and zinc oxide varistors
EP1179826A1 (en) * 2000-07-12 2002-02-13 Littelfuse Ireland Development Company Limited An integrated passive device and a method for producing such a device
EP2546840B1 (en) * 2005-02-08 2017-04-19 Murata Manufacturing Co., Ltd. Surface-mountable negative-characteristic ceramic thermistor based on Mn, Co, Ni and Ti compounds
WO2011129678A1 (en) * 2010-04-12 2011-10-20 Universiti Sains Malaysia Ceramic composition, low voltage zinc oxide varistor made from the ceramic composition and process for manufacturing the low voltage zinc oxide varistor
EP2645380A1 (en) * 2012-03-30 2013-10-02 Inael Electrical Systems, S.A. A method for obtaining doped zinc oxide varistors, the product obtained by said method and its use

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064475A (en) * 1976-07-12 1977-12-20 Allen-Bradley Company Thick film varistor and method of making the same
DE2735484C2 (de) * 1977-08-05 1984-06-07 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Herstellung von Dickfilm-Varistoren mit Zinkoxid als Hauptkomponente
JPS6015127B2 (ja) * 1980-04-07 1985-04-17 株式会社日立製作所 電圧非直線抵抗体およびその製法
US4349496A (en) * 1981-03-26 1982-09-14 General Electric Company Method for fabricating free-standing thick-film varistors
FR2504756A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Dispositif de commutation a seuil, dans un systeme comportant une pluralite de composants repartis en deux groupes interdigites
EP0189087B1 (de) * 1985-01-17 1988-06-22 Siemens Aktiengesellschaft Spannungsabhängiger elektrischer Widerstand (Varistor)
JPS63136603A (ja) * 1986-11-28 1988-06-08 日本碍子株式会社 電圧非直線抵抗体の製造方法

Also Published As

Publication number Publication date
GB9005991D0 (en) 1990-05-09
JPH05251211A (ja) 1993-09-28
IE910870A1 (en) 1991-09-25
DE4108674A1 (de) 1991-09-19
JP3043826B2 (ja) 2000-05-22
FR2659785B1 (et) 1994-12-30
GB2242065A (en) 1991-09-18
FR2659785A1 (fr) 1991-09-20
GB2242065B (en) 1994-04-27
GB2242065C (en) 1996-02-08

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