DE2651274C2 - - Google Patents

Info

Publication number
DE2651274C2
DE2651274C2 DE2651274A DE2651274A DE2651274C2 DE 2651274 C2 DE2651274 C2 DE 2651274C2 DE 2651274 A DE2651274 A DE 2651274A DE 2651274 A DE2651274 A DE 2651274A DE 2651274 C2 DE2651274 C2 DE 2651274C2
Authority
DE
Germany
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
DE2651274A
Other versions
DE2651274A1 (de
Inventor
Tapan K. Monroeville Pa. Us Gupta
William D. Pittsburgh Pa. Us Straub
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of DE2651274A1 publication Critical patent/DE2651274A1/de
Application granted granted Critical
Publication of DE2651274C2 publication Critical patent/DE2651274C2/de
Granted 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49085—Thermally variable
DE19762651274 1975-11-12 1976-11-10 Verfahren zur herstellung eines widerstandskoerpers Granted DE2651274A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/631,297 US4094061A (en) 1975-11-12 1975-11-12 Method of producing homogeneous sintered ZnO non-linear resistors

Publications (2)

Publication Number Publication Date
DE2651274A1 DE2651274A1 (de) 1977-05-26
DE2651274C2 true DE2651274C2 (de) 1987-02-12

Family

ID=24530605

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762651274 Granted DE2651274A1 (de) 1975-11-12 1976-11-10 Verfahren zur herstellung eines widerstandskoerpers

Country Status (9)

Country Link
US (1) US4094061A (de)
JP (1) JPS5264693A (de)
CH (1) CH630486A5 (de)
DE (1) DE2651274A1 (de)
GB (1) GB1527407A (de)
IN (1) IN145417B (de)
MX (1) MX144464A (de)
NO (1) NO144158C (de)
SE (1) SE410064C (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539397B2 (de) * 1973-07-09 1978-04-05
US4142996A (en) * 1977-10-25 1979-03-06 General Electric Company Method of making homogenous metal oxide varistor powders
JPS5480547A (en) * 1977-12-09 1979-06-27 Matsushita Electric Ind Co Ltd Ceramic varister
JPS5915443Y2 (ja) * 1978-03-18 1984-05-08 三菱電機株式会社 避雷器
US4219518A (en) * 1978-05-15 1980-08-26 General Electric Company Method of improving varistor upturn characteristics
JPS54163395A (en) * 1978-06-14 1979-12-25 Fuji Electric Co Ltd Voltage nonlinear resistive porcelain
US4306214A (en) * 1978-08-08 1981-12-15 Tdk Electronics Co., Ltd. Non-linear resistance element, method for preparing same and noise suppressor therewith
JPS5823722B2 (ja) * 1978-12-25 1983-05-17 ティーディーケイ株式会社 電圧非直線性抵抗体磁器の製造法
US4265844A (en) * 1979-05-16 1981-05-05 Marcon Electronics Co. Ltd. Method of manufacturing a voltage-nonlinear resistor
US4297250A (en) * 1980-01-07 1981-10-27 Westinghouse Electric Corp. Method of producing homogeneous ZnO non-linear powder compositions
JPS57147202A (en) * 1981-03-06 1982-09-11 Meidensha Electric Mfg Co Ltd Method of producing nonlinear resistor
US4397775A (en) * 1981-06-01 1983-08-09 General Electric Company Varistors with controllable voltage versus time response
US4379195A (en) * 1981-07-06 1983-04-05 Rca Corporation Low value resistor inks
US4449039A (en) * 1981-09-14 1984-05-15 Nippondenso Co., Ltd. Ceramic heater
US4614024A (en) * 1981-11-02 1986-09-30 Xco International, Inc. Method of manufacturing heat sensitive cable
US4491822A (en) * 1981-11-02 1985-01-01 Xco International, Inc. Heat sensitive cable
US4540972A (en) * 1981-11-02 1985-09-10 Xco International, Inc. Heat sensitive cable
US4647710A (en) * 1982-02-26 1987-03-03 Xco International, Inc. Heat sensitive cable and method of making same
US4452729A (en) * 1982-11-03 1984-06-05 Westinghouse Electric Corp. Voltage stable nonlinear resistor containing minor amounts of aluminum and boron
JPS5991685A (ja) * 1982-11-17 1984-05-26 株式会社デンソー セラミツクヒ−タ
US4452844A (en) * 1983-01-21 1984-06-05 Rca Corporation Low value resistor inks
US4460497A (en) * 1983-02-18 1984-07-17 Westinghouse Electric Corp. Voltage stable nonlinear resistor containing minor amounts of aluminum and selected alkali metal additives
US4452728A (en) * 1983-02-18 1984-06-05 Westinghouse Electric Corp. Voltage stable nonlinear resistor containing minor amounts of aluminum, boron and selected alkali metal additives
JPS59172202A (ja) * 1983-03-22 1984-09-28 秩父セメント株式会社 電圧非直線性抵抗体の製造方法
JPS6072203A (ja) * 1983-09-29 1985-04-24 株式会社東芝 電圧電流非直線抵抗体
US4638107A (en) * 1983-10-14 1987-01-20 Xco International, Inc. Heat sensitive tape and method of making same
US4564567A (en) * 1983-11-10 1986-01-14 The United States Of America As Represented By The United States Department Of Energy Electronically conductive ceramics for high temperature oxidizing environments
US4575440A (en) * 1984-02-21 1986-03-11 Gte Laboratories Incorporated Process for the preparation of homogeneous metal oxide varistors
US4918421A (en) * 1986-03-20 1990-04-17 Lawless William N Nonlinear resistor for low temperature operation
JPS62269301A (ja) * 1986-05-19 1987-11-21 株式会社東芝 非直線抵抗体の製造方法
JPH0815121B2 (ja) * 1986-09-03 1996-02-14 日本碍子株式会社 電圧非直線低抗体の製造方法
US5039452A (en) * 1986-10-16 1991-08-13 Raychem Corporation Metal oxide varistors, precursor powder compositions and methods for preparing same
JPS63117402A (ja) * 1986-11-06 1988-05-21 株式会社東芝 非直線抵抗体の製造方法
US4767582A (en) * 1986-12-19 1988-08-30 Fuji Electric Co., Ltd. Method of manufacturing voltage nonlinear resistance elements
JPH0630284B2 (ja) * 1987-09-11 1994-04-20 富士電機株式会社 電圧非直線抵抗素子の製造方法
JPH068210B2 (ja) * 1988-02-18 1994-02-02 ソマール株式会社 バリスタ材料及びその製法
JPH068211B2 (ja) * 1988-06-15 1994-02-02 ソマール株式会社 バリスタ材料の製法
US5505865A (en) * 1989-07-11 1996-04-09 Charles Stark Draper Laboratory, Inc. Synthesis process for advanced ceramics
JPH0812814B2 (ja) * 1989-07-20 1996-02-07 ソマール株式会社 バリスタ材料及びその製造方法
US4996510A (en) * 1989-12-08 1991-02-26 Raychem Corporation Metal oxide varistors and methods therefor
US5264169A (en) * 1989-12-15 1993-11-23 Electric Power Research Institute, Inc. Surge stability improvement of zinc oxide varistor discs
US5250229A (en) * 1991-10-10 1993-10-05 E. I. Du Pont De Nemours And Company Silver-rich conductor compositions for high thermal cycled and aged adhesion
US5294577A (en) * 1992-06-25 1994-03-15 Murata Manufacturing Co., Ltd. Semiconductor ceramic composition for secondary electron multipliers
EP0731065B1 (de) * 1995-03-06 1999-07-28 Matsushita Electric Industrial Co., Ltd Zinkoxidkeramiken und Verfahren zu ihrer Herstellung
US5569495A (en) * 1995-05-16 1996-10-29 Raychem Corporation Method of making varistor chip with etching to remove damaged surfaces
DE19546901C1 (de) * 1995-12-15 1997-04-24 Fraunhofer Ges Forschung Verfahren zur Herstellung von Hartmetallbauteilen
CA2211813A1 (fr) 1997-08-13 1999-02-13 Sabin Boily Varistances a base de poudres nanocristallines produites par broyage mecanique intense
KR101075913B1 (ko) 2004-12-23 2011-10-26 재단법인 포항산업과학연구원 고체산화물 연료전지용 음극재의 제조방법
US7237730B2 (en) * 2005-03-17 2007-07-03 Pratt & Whitney Canada Corp. Modular fuel nozzle and method of making
US7541910B2 (en) * 2006-05-25 2009-06-02 Sfi Electronics Technology Inc. Multilayer zinc oxide varistor
US8316541B2 (en) * 2007-06-29 2012-11-27 Pratt & Whitney Canada Corp. Combustor heat shield with integrated louver and method of manufacturing the same
US7543383B2 (en) 2007-07-24 2009-06-09 Pratt & Whitney Canada Corp. Method for manufacturing of fuel nozzle floating collar
EP2305622B1 (de) * 2009-10-01 2015-08-12 ABB Technology AG Varistormaterial mit hoher Feldstärke-Festigkeit
ITMI20121163A1 (it) * 2012-07-02 2014-01-03 System Spa Materiale ceramico per decorazione e processo per la sua preparazione
CN110272274A (zh) * 2018-03-16 2019-09-24 西安恒翔电子新材料有限公司 一种具有正温度系数的氧化锌压敏电阻以及瓷粉
CN116751032A (zh) * 2023-06-21 2023-09-15 深圳众诚达应用材料股份有限公司 一种zto靶材及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549736A (en) * 1966-09-02 1970-12-22 Lexington Lab Inc Process for forming sintered leachable objects of various shapes
CA831691A (en) * 1967-10-09 1970-01-06 Matsuoka Michio Non-linear resistors of bulk type
US3689863A (en) * 1969-12-08 1972-09-05 Matsushita Electric Ind Co Ltd Voltage dependent resistors in a surface barrier type
JPS4939509B2 (de) * 1972-07-17 1974-10-25
IT989985B (it) * 1972-07-26 1975-06-10 Matsushita Electric Ind Co Ltd Resistore non lineare con la tensione e saricatore di fulmini che la comprende
US3953371A (en) * 1973-11-12 1976-04-27 General Electric Company Controlled grain size metal oxide varistor and process for making
JPS5320318B2 (de) * 1973-12-20 1978-06-26

Also Published As

Publication number Publication date
MX144464A (es) 1981-10-19
NO144158B (no) 1981-03-23
SE7611745L (sv) 1977-05-13
SE410064B (sv) 1979-09-17
NO763779L (de) 1977-05-13
JPS5329840B2 (de) 1978-08-23
IN145417B (de) 1978-10-07
US4094061A (en) 1978-06-13
GB1527407A (en) 1978-10-04
CH630486A5 (de) 1982-06-15
SE410064C (sv) 1985-03-10
DE2651274A1 (de) 1977-05-26
JPS5264693A (en) 1977-05-28
NO144158C (no) 1981-07-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee