ES479317A1 - Un metodo mejorado para fabircar un limitador de voltaje, especialmente apropiado para usarse en pararrayos sin aberturas. - Google Patents

Un metodo mejorado para fabircar un limitador de voltaje, especialmente apropiado para usarse en pararrayos sin aberturas.

Info

Publication number
ES479317A1
ES479317A1 ES479317A ES479317A ES479317A1 ES 479317 A1 ES479317 A1 ES 479317A1 ES 479317 A ES479317 A ES 479317A ES 479317 A ES479317 A ES 479317A ES 479317 A1 ES479317 A1 ES 479317A1
Authority
ES
Spain
Prior art keywords
composition
molar
equal
fabricating
same
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
ES479317A
Other languages
English (en)
Spanish (es)
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
Publication of ES479317A1 publication Critical patent/ES479317A1/es
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)
ES479317A 1978-04-14 1979-04-05 Un metodo mejorado para fabircar un limitador de voltaje, especialmente apropiado para usarse en pararrayos sin aberturas. Expired ES479317A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89634978A 1978-04-14 1978-04-14

Publications (1)

Publication Number Publication Date
ES479317A1 true ES479317A1 (es) 1979-12-01

Family

ID=25406054

Family Applications (1)

Application Number Title Priority Date Filing Date
ES479317A Expired ES479317A1 (es) 1978-04-14 1979-04-05 Un metodo mejorado para fabircar un limitador de voltaje, especialmente apropiado para usarse en pararrayos sin aberturas.

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
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
CA1110325A (en) 1981-10-06
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
FD1A Patent lapsed

Effective date: 19960603