HK6977A - Improvements in and relating to electrical resistors - Google Patents

Improvements in and relating to electrical resistors

Info

Publication number
HK6977A
HK6977A HK69/77A HK6977A HK6977A HK 6977 A HK6977 A HK 6977A HK 69/77 A HK69/77 A HK 69/77A HK 6977 A HK6977 A HK 6977A HK 6977 A HK6977 A HK 6977A
Authority
HK
Hong Kong
Prior art keywords
relating
electrical resistors
resistors
electrical
Prior art date
Application number
HK69/77A
Inventor
Masuyama Takeshi
Matsuura Mikio
Iga Atsushi
Original Assignee
Matsushita Electric Ind Co 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
Priority claimed from JP46066187A external-priority patent/JPS5128439B2/ja
Priority claimed from JP46066186A external-priority patent/JPS5123035B2/ja
Priority claimed from JP46066188A external-priority patent/JPS5126999B2/ja
Priority claimed from JP46066185A external-priority patent/JPS5225950B2/ja
Priority claimed from JP46072797A external-priority patent/JPS5146267B2/ja
Priority claimed from JP46072798A external-priority patent/JPS5127000B2/ja
Priority claimed from JP46074351A external-priority patent/JPS5221200B2/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of HK6977A publication Critical patent/HK6977A/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
    • 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)
  • Compositions Of Oxide Ceramics (AREA)
  • Thermistors And Varistors (AREA)
HK69/77A 1971-08-27 1977-02-03 Improvements in and relating to electrical resistors HK6977A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP46066187A JPS5128439B2 (en) 1971-08-27 1971-08-27
JP46066186A JPS5123035B2 (en) 1971-08-27 1971-08-27
JP46066188A JPS5126999B2 (en) 1971-08-27 1971-08-27
JP46066185A JPS5225950B2 (en) 1971-08-27 1971-08-27
JP46072797A JPS5146267B2 (en) 1971-09-17 1971-09-17
JP46072798A JPS5127000B2 (en) 1971-09-17 1971-09-17
JP46074351A JPS5221200B2 (en) 1971-09-22 1971-09-22

Publications (1)

Publication Number Publication Date
HK6977A true HK6977A (en) 1977-02-11

Family

ID=27565096

Family Applications (1)

Application Number Title Priority Date Filing Date
HK69/77A HK6977A (en) 1971-08-27 1977-02-03 Improvements in and relating to electrical resistors

Country Status (8)

Country Link
US (1) US3760318A (en)
CA (1) CA970476A (en)
FR (1) FR2150879B1 (en)
GB (1) GB1387674A (en)
HK (1) HK6977A (en)
IT (1) IT962223B (en)
NL (1) NL174887C (en)
SE (1) SE382135B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2342172C3 (en) * 1972-09-20 1979-09-27 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) Voltage-dependent resistor with zinc oxide as the main component
US3905006A (en) * 1972-12-29 1975-09-09 Michio Matsuoka Voltage dependent resistor
NL179524C (en) * 1972-12-29 1986-09-16 Matsushita Electric Ind Co Ltd METHOD FOR PRODUCING A VOLTAGE DEPENDENT RESISTOR
JPS50131095A (en) * 1974-04-05 1975-10-16
US3916366A (en) * 1974-10-25 1975-10-28 Dale Electronics Thick film varistor and method of making the same
US4064475A (en) * 1976-07-12 1977-12-20 Allen-Bradley Company Thick film varistor and method of making the same
US4069465A (en) * 1976-07-12 1978-01-17 Allen-Bradley Company Cylindrical varistor and method of making the same
US4495482A (en) * 1981-08-24 1985-01-22 General Electric Company Metal oxide varistor with controllable breakdown voltage and capacitance and method of making
EP0074177A3 (en) * 1981-08-24 1983-08-31 General Electric Company Metal oxide varistor with controllable breakdown voltage and capacitance
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
JPS60226102A (en) * 1984-04-25 1985-11-11 株式会社日立製作所 Voltage nonlinear resistor
WO2010055586A1 (en) * 2008-11-17 2010-05-20 三菱電機株式会社 Voltage nonlinear resistor, lightning arrester loaded with voltage nonlinear resistor, and process for producing voltage nonlinear resistor
EP2305622B1 (en) * 2009-10-01 2015-08-12 ABB Technology AG High field strength varistor material
TWI605029B (en) * 2016-10-12 2017-11-11 Ruthenium-free varistor composition and laminated varistor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503029A (en) * 1968-04-19 1970-03-24 Matsushita Electric Ind Co Ltd Non-linear resistor
US3611070A (en) * 1970-06-15 1971-10-05 Gen Electric Voltage-variable capacitor with controllably extendible pn junction region

Also Published As

Publication number Publication date
GB1387674A (en) 1975-03-19
SE382135B (en) 1976-01-12
NL174887B (en) 1984-03-16
DE2242621B2 (en) 1975-11-20
FR2150879B1 (en) 1976-10-29
FR2150879A1 (en) 1973-04-13
DE2242621A1 (en) 1973-03-29
NL174887C (en) 1984-08-16
IT962223B (en) 1973-12-20
NL7211572A (en) 1973-03-01
CA970476A (en) 1975-07-01
US3760318A (en) 1973-09-18

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