EP0058336A3 - Zinc oxide varistor with reduced fringe current effects - Google Patents

Zinc oxide varistor with reduced fringe current effects Download PDF

Info

Publication number
EP0058336A3
EP0058336A3 EP82100710A EP82100710A EP0058336A3 EP 0058336 A3 EP0058336 A3 EP 0058336A3 EP 82100710 A EP82100710 A EP 82100710A EP 82100710 A EP82100710 A EP 82100710A EP 0058336 A3 EP0058336 A3 EP 0058336A3
Authority
EP
European Patent Office
Prior art keywords
zinc oxide
oxide varistor
current effects
reduced fringe
fringe current
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.)
Granted
Application number
EP82100710A
Other versions
EP0058336A2 (en
EP0058336B1 (en
Inventor
Herbert Reynold Philipp
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP0058336A2 publication Critical patent/EP0058336A2/en
Publication of EP0058336A3 publication Critical patent/EP0058336A3/en
Application granted granted Critical
Publication of EP0058336B1 publication Critical patent/EP0058336B1/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
    • 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
    • H01C7/102—Varistor boundary, e.g. surface layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
EP19820100710 1981-02-13 1982-02-02 Zinc oxide varistor with reduced fringe current effects Expired EP0058336B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23436981A 1981-02-13 1981-02-13
US234369 1988-08-19

Publications (3)

Publication Number Publication Date
EP0058336A2 EP0058336A2 (en) 1982-08-25
EP0058336A3 true EP0058336A3 (en) 1983-05-11
EP0058336B1 EP0058336B1 (en) 1987-08-19

Family

ID=22881087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820100710 Expired EP0058336B1 (en) 1981-02-13 1982-02-02 Zinc oxide varistor with reduced fringe current effects

Country Status (4)

Country Link
EP (1) EP0058336B1 (en)
JP (1) JPS57152106A (en)
DE (2) DE3277042D1 (en)
MX (1) MX157914A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451815A (en) * 1982-09-27 1984-05-29 General Electric Company Zinc oxide varistor having reduced edge current density
DE3405834A1 (en) * 1984-02-17 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Varistor consisting of a wafer of zinc-oxide material, which is semiconductive as a result of doping, and a method for producing this varistor
ATE34482T1 (en) * 1984-07-31 1988-06-15 Siemens Bauelemente Ohg VARISTOR IN CHIP CONSTRUCTION FOR USE IN PRINTED CIRCUITS AND METHOD FOR ITS MANUFACTURE.
GB2321135B (en) * 1997-01-11 2001-06-27 Furse W J & Co Ltd Improvements in or relating to thermal trip arrangements

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH257857A (en) * 1946-06-20 1948-10-31 Sprecher & Schuh Ag Voltage dependent resistance.
DE1414326A1 (en) * 1955-08-25 1968-12-12 Siemens Ag Semiconductor arrangement for rectification and / or amplification
GB1204702A (en) * 1966-09-06 1970-09-09 Energy Conversion Devices Inc Improvements in or relating to electrical circuits using symmetrical electric current control devices
DE2738367A1 (en) * 1977-08-25 1979-03-01 Siemens Ag Varistor using zinc oxide moulding with specific shape - provides overload protection for high frequency transmission cables

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH257857A (en) * 1946-06-20 1948-10-31 Sprecher & Schuh Ag Voltage dependent resistance.
DE1414326A1 (en) * 1955-08-25 1968-12-12 Siemens Ag Semiconductor arrangement for rectification and / or amplification
GB1204702A (en) * 1966-09-06 1970-09-09 Energy Conversion Devices Inc Improvements in or relating to electrical circuits using symmetrical electric current control devices
DE2738367A1 (en) * 1977-08-25 1979-03-01 Siemens Ag Varistor using zinc oxide moulding with specific shape - provides overload protection for high frequency transmission cables

Also Published As

Publication number Publication date
MX157914A (en) 1988-12-20
JPS57152106A (en) 1982-09-20
EP0058336A2 (en) 1982-08-25
EP0058336B1 (en) 1987-08-19
DE58336T1 (en) 1983-01-05
DE3277042D1 (en) 1987-09-24

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