NL7007671A - Non-linear resistors (varistors) with imp- - roved properties - Google Patents

Non-linear resistors (varistors) with imp- - roved properties

Info

Publication number
NL7007671A
NL7007671A NL7007671A NL7007671A NL7007671A NL 7007671 A NL7007671 A NL 7007671A NL 7007671 A NL7007671 A NL 7007671A NL 7007671 A NL7007671 A NL 7007671A NL 7007671 A NL7007671 A NL 7007671A
Authority
NL
Netherlands
Prior art keywords
bif3
varistors
roved
imp
properties
Prior art date
Application number
NL7007671A
Other versions
NL152099B (en
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 filed Critical
Priority to NL7007671A priority Critical patent/NL152099B/en
Publication of NL7007671A publication Critical patent/NL7007671A/en
Publication of NL152099B publication Critical patent/NL152099B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

Varistors with high 'n' and controllable 'C' values for circuit stabilising can be produced from sintered ZnO compacts contg. additives. Additives comprise : (a) BiF3 0.05-10.0 mole % (preferred range 0.3-2.5%), (b) BiF3 + 0.05-10.0 (preferred 0.1-3.0)% CoF2, MnF2, SnF2, NiF2 or CrF3, (c) BiF3 + 0.05-5.0% CoO or MnO, (d) BiF3 + 0.05-5.0% CoO + 0.05-5.0% MnF2 or CrF3, (e) BiF3 + 0.05-5.0% MnO + 0.05-5.0% CoF2 or CrF3. A wide range of values can be obtained by varying comp., processing conditions and thickness of part.
NL7007671A 1970-05-27 1970-05-27 VOLTAGE DEPENDENT RESISTANCE. NL152099B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7007671A NL152099B (en) 1970-05-27 1970-05-27 VOLTAGE DEPENDENT RESISTANCE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7007671A NL152099B (en) 1970-05-27 1970-05-27 VOLTAGE DEPENDENT RESISTANCE.

Publications (2)

Publication Number Publication Date
NL7007671A true NL7007671A (en) 1971-11-30
NL152099B NL152099B (en) 1977-01-17

Family

ID=19810167

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7007671A NL152099B (en) 1970-05-27 1970-05-27 VOLTAGE DEPENDENT RESISTANCE.

Country Status (1)

Country Link
NL (1) NL152099B (en)

Also Published As

Publication number Publication date
NL152099B (en) 1977-01-17

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: MATSUSHITA

V4 Lapsed because of reaching the maxim lifetime of a patent