GB2242065C - Varistor ink formulations - Google Patents

Varistor ink formulations

Info

Publication number
GB2242065C
GB2242065C GB9005991A GB9005991A GB2242065C GB 2242065 C GB2242065 C GB 2242065C GB 9005991 A GB9005991 A GB 9005991A GB 9005991 A GB9005991 A GB 9005991A GB 2242065 C GB2242065 C GB 2242065C
Authority
GB
United Kingdom
Prior art keywords
ink formulations
varistor
varistor ink
formulations
ink
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 - Fee Related
Application number
GB9005991A
Other versions
GB2242065B (en
GB2242065A (en
GB9005991D0 (en
Inventor
Stephen P Cowman
Derek A Nicker
John M Shreeve
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.)
ECCO Ltd
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=GB2242065(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to GB9005991A priority Critical patent/GB2242065C/en
Application filed by ECCO Ltd filed Critical ECCO Ltd
Publication of GB9005991D0 publication Critical patent/GB9005991D0/en
Priority to IE87091A priority patent/IE73644B1/en
Priority to FR9103193A priority patent/FR2659785A1/en
Priority to DE19914108674 priority patent/DE4108674A1/en
Priority to JP3076869A priority patent/JP3043826B2/en
Publication of GB2242065A publication Critical patent/GB2242065A/en
Publication of GB2242065B publication Critical patent/GB2242065B/en
Publication of GB2242065C publication Critical patent/GB2242065C/en
Application granted granted Critical
Priority to US09/353,567 priority patent/US6334964B1/en
Priority to US09/946,294 priority patent/US6743381B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
GB9005991A 1990-03-16 1990-03-16 Varistor ink formulations Expired - Fee Related GB2242065C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB9005991A GB2242065C (en) 1990-03-16 1990-03-16 Varistor ink formulations
IE87091A IE73644B1 (en) 1990-03-16 1991-03-15 Varistor ink formulations
FR9103193A FR2659785A1 (en) 1990-03-16 1991-03-15 US MATERIAL FOR PRODUCING VARISTANCES AND PROCESS FOR OBTAINING SAME.
DE19914108674 DE4108674A1 (en) 1990-03-16 1991-03-16 VARISTORTINTEN FORMULATIONS
JP3076869A JP3043826B2 (en) 1990-03-16 1991-03-16 Varistor ink composition
US09/353,567 US6334964B1 (en) 1990-03-16 1999-07-14 Varistor ink formulations
US09/946,294 US6743381B2 (en) 1990-03-16 2001-09-04 Process for forming varistor ink composition

Applications Claiming Priority (1)

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

Publications (4)

Publication Number Publication Date
GB9005991D0 GB9005991D0 (en) 1990-05-09
GB2242065A GB2242065A (en) 1991-09-18
GB2242065B GB2242065B (en) 1994-04-27
GB2242065C true GB2242065C (en) 1996-02-08

Family

ID=10672748

Family Applications (1)

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

Country Status (5)

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

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 (en) * 1992-10-20 1994-05-24 모리시타 요이찌 Manufacturing method of zinc oxide varistor
DE69603390T2 (en) * 1995-03-06 1999-12-30 Matsushita Electric Industrial Co., Ltd. Zinc oxide ceramics and process for their manufacture
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
CN102290175B (en) * 2005-02-08 2014-06-11 株式会社村田制作所 Surface mounting-type negative characteristic thermistor
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 (en) * 1977-08-05 1984-06-07 Siemens AG, 1000 Berlin und 8000 München Process for the production of thick film varistors with zinc oxide as the main component
JPS6015127B2 (en) * 1980-04-07 1985-04-17 株式会社日立製作所 Voltage nonlinear resistor and its manufacturing method
US4349496A (en) * 1981-03-26 1982-09-14 General Electric Company Method for fabricating free-standing thick-film varistors
FR2504756A1 (en) * 1981-04-27 1982-10-29 Thomson Csf For thermal printer heating element - has varistor element with one part corresponding to current toward control transistor and other to re-looping between two current sources
ATE35344T1 (en) * 1985-01-17 1988-07-15 Siemens Bauelemente Ohg VOLTAGE DEPENDENT ELECTRICAL RESISTANCE (VARISTOR).
JPS63136603A (en) * 1986-11-28 1988-06-08 日本碍子株式会社 Manufacture of voltage nonlinear resistor

Also Published As

Publication number Publication date
GB2242065B (en) 1994-04-27
GB2242065A (en) 1991-09-18
IE73644B1 (en) 1997-06-18
FR2659785A1 (en) 1991-09-20
FR2659785B1 (en) 1994-12-30
GB9005991D0 (en) 1990-05-09
DE4108674A1 (en) 1991-09-19
JPH05251211A (en) 1993-09-28
JP3043826B2 (en) 2000-05-22
IE910870A1 (en) 1991-09-25

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Legal Events

Date Code Title Description
727 Application made for amendment of specification (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727B Case decided by the comptroller ** specification amended (sect. 27/1977)
SP Amendment (slips) printed
SPAC Amended specification published ** copy of the specification now available
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050316