JPS6449201A - Voltage-dependent nonlinear resistor - Google Patents

Voltage-dependent nonlinear resistor

Info

Publication number
JPS6449201A
JPS6449201A JP62207071A JP20707187A JPS6449201A JP S6449201 A JPS6449201 A JP S6449201A JP 62207071 A JP62207071 A JP 62207071A JP 20707187 A JP20707187 A JP 20707187A JP S6449201 A JPS6449201 A JP S6449201A
Authority
JP
Japan
Prior art keywords
bi2o3
sintered material
bismuth
additive
voltage
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.)
Pending
Application number
JP62207071A
Other languages
Japanese (ja)
Inventor
Takeshi Suzuki
Kiyoshi Matsuda
Yukiteru Kikuchi
Takamichi Momoki
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.)
Marcon Electronics Co Ltd
Original Assignee
Marcon Electronics 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
Application filed by Marcon Electronics Co Ltd filed Critical Marcon Electronics Co Ltd
Priority to JP62207071A priority Critical patent/JPS6449201A/en
Publication of JPS6449201A publication Critical patent/JPS6449201A/en
Pending 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

Abstract

PURPOSE:To obtain a thermally stable varistor which does not transit up to approx. 1000 deg.C by employing 50% or more of total bismuth of pyrochlore type compound as segregate interposed in grain boundary segregated part of crystal grains in a sintered material. CONSTITUTION:Ceramic powder containing at least one type selected from CaO, BaO, SrO, PbO, La2O3, Ce2O3, Pr2O3, Nd2O3, Pm2O3, Sm2O3, Eu2O3, Gd2O3, Dy2O3, Ho2O3 as metal additive in a material containing as main ingredients ZnO, MgO, and as sub ingredients at least Bi2O3, Nb2O5 of Bi2O3, Nb2O3, Sb2O3. CoO. Cr2O3, NiO, MnO in such a manner that the relationships between the additive and bismuth, and between niobium and the mismuth are Me/Bi=0.05-0.5, Nb/Bi=0.2-2.0, containing 0.05-1.0mol% of Bi2O3 is granulated, baked at 1000-1300 deg.C to obtain a plate-like sintered material. Both side surfaces of the sintered material are seized, plated or metallized with silver, thereby forming an electrode.
JP62207071A 1987-08-19 1987-08-19 Voltage-dependent nonlinear resistor Pending JPS6449201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62207071A JPS6449201A (en) 1987-08-19 1987-08-19 Voltage-dependent nonlinear resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62207071A JPS6449201A (en) 1987-08-19 1987-08-19 Voltage-dependent nonlinear resistor

Publications (1)

Publication Number Publication Date
JPS6449201A true JPS6449201A (en) 1989-02-23

Family

ID=16533719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62207071A Pending JPS6449201A (en) 1987-08-19 1987-08-19 Voltage-dependent nonlinear resistor

Country Status (1)

Country Link
JP (1) JPS6449201A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107004596A (en) * 2014-12-24 2017-08-01 国立大学法人北陆先端科学技术大学院大学 Oxide dielectric body and its manufacture method, the precursor of oxide dielectric body and solid state electronic devices and its manufacture method
US10798790B2 (en) 2012-03-14 2020-10-06 Microwave Materials Technologies, Inc. Enhanced microwave system utilizing tilted launchers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10798790B2 (en) 2012-03-14 2020-10-06 Microwave Materials Technologies, Inc. Enhanced microwave system utilizing tilted launchers
CN107004596A (en) * 2014-12-24 2017-08-01 国立大学法人北陆先端科学技术大学院大学 Oxide dielectric body and its manufacture method, the precursor of oxide dielectric body and solid state electronic devices and its manufacture method

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