CA1110325A - Voltage limiting composition and method of fabricating the same - Google Patents

Voltage limiting composition and method of fabricating the same

Info

Publication number
CA1110325A
CA1110325A CA323,881A CA323881A CA1110325A CA 1110325 A CA1110325 A CA 1110325A CA 323881 A CA323881 A CA 323881A CA 1110325 A CA1110325 A CA 1110325A
Authority
CA
Canada
Prior art keywords
composition
equal
temperature
sintered
amps
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
CA323,881A
Other languages
English (en)
French (fr)
Inventor
Tapan K. Gupta
Joseph C. Osterhout
William G. Carlson
Gerald B. Boyette
Andrew S. Sweetana, Jr.
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.)
Westinghouse Electric 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
Application granted granted Critical
Publication of CA1110325A publication Critical patent/CA1110325A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)
CA323,881A 1978-04-14 1979-03-21 Voltage limiting composition and method of fabricating the same Expired CA1110325A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89634978A 1978-04-14 1978-04-14
US896,349 1978-04-14

Publications (1)

Publication Number Publication Date
CA1110325A true CA1110325A (en) 1981-10-06

Family

ID=25406054

Family Applications (1)

Application Number Title Priority Date Filing Date
CA323,881A Expired CA1110325A (en) 1978-04-14 1979-03-21 Voltage limiting composition and method of fabricating the same

Country Status (11)

Country Link
US (1) US4549981A (OSRAM)
JP (1) JPS5849004B2 (OSRAM)
AU (1) AU519633B2 (OSRAM)
BE (1) BE875603A (OSRAM)
BR (1) BR7902245A (OSRAM)
CA (1) CA1110325A (OSRAM)
ES (1) ES479317A1 (OSRAM)
IN (1) IN150911B (OSRAM)
IT (1) IT1125050B (OSRAM)
YU (1) YU40553B (OSRAM)
ZA (1) ZA791172B (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
AU613450B2 (en) * 1988-01-11 1991-08-01 Karen P. Shrier Overvoltage protection device and material
US4929415A (en) * 1988-03-01 1990-05-29 Kenji Okazaki Method of sintering powder
JPH0812807B2 (ja) * 1988-11-08 1996-02-07 日本碍子株式会社 電圧非直線抵抗体及びその製造方法
US5294374A (en) * 1992-03-20 1994-03-15 Leviton Manufacturing Co., Inc. Electrical overstress materials and method of manufacture

Family Cites Families (4)

* 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 Industrial Co Ltd Voltage nonlinear resistors
JPS5311076B2 (OSRAM) * 1973-03-20 1978-04-19
JPS5524247B2 (OSRAM) * 1973-10-19 1980-06-27
JPS5234392A (en) * 1975-09-11 1977-03-16 Matsushita Electric Ind Co Ltd Production method of non-linear resistance element from sintered zinc o xide

Also Published As

Publication number Publication date
YU79879A (en) 1983-01-21
ES479317A1 (es) 1979-12-01
ZA791172B (en) 1980-06-25
BE875603A (fr) 1979-10-15
IN150911B (OSRAM) 1983-01-15
IT7941558A0 (it) 1979-04-13
BR7902245A (pt) 1979-12-04
IT1125050B (it) 1986-05-14
AU519633B2 (en) 1981-12-17
US4549981A (en) 1985-10-29
YU40553B (en) 1986-02-28
AU4579979A (en) 1979-10-18
JPS5849004B2 (ja) 1983-11-01
JPS54140163A (en) 1979-10-31

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Legal Events

Date Code Title Description
MKEX Expiry