JPS5479494A - Thick film varister - Google Patents

Thick film varister

Info

Publication number
JPS5479494A
JPS5479494A JP14744377A JP14744377A JPS5479494A JP S5479494 A JPS5479494 A JP S5479494A JP 14744377 A JP14744377 A JP 14744377A JP 14744377 A JP14744377 A JP 14744377A JP S5479494 A JPS5479494 A JP S5479494A
Authority
JP
Japan
Prior art keywords
weight
varister
zno
co2o3
sb2o3
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
JP14744377A
Other languages
Japanese (ja)
Other versions
JPS5626967B2 (en
Inventor
Toshiyuki Kawano
Eisuke Kurokawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14744377A priority Critical patent/JPS5479494A/en
Publication of JPS5479494A publication Critical patent/JPS5479494A/en
Publication of JPS5626967B2 publication Critical patent/JPS5626967B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of oxides
    • H01C17/06546—Oxides of zinc or cadmium

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Glass Compositions (AREA)
  • Thermistors And Varistors (AREA)

Abstract

PURPOSE:To produce a varister not thicker than 0.5 mm with excellent non-linearity, energy durability, and reduced change by loading life comprising ZnO and boric acid glass frit containing sb2O3 and Co2O3 in the glass. CONSTITUTION:Preparing varister composition comprising 30 to 95% by weight of 0.5 to 10mu mean diameter ZnO particles and 70 to 5% by weight of a glass component which is prepared by adding 2.5 to 20% by weight of sb2O3 and Co2O3 to 100 parts of 0.5 to 20mu mean particle diameter boric acid glass frit consisting of preferably 35 to 70% by weight of B2O3, 35 to 15% by weight of BaO, and 30 to 15% by weight of ZnO. Preparing a paste by mixing 55 to 95% by weight of the composition and 45 to 5% by weight of a solvent containing a thickener. Screen printing with the paste on a heat resistant insulating substrate 1 on which a silver electrode 2 is provided to form a varister 3, and then providing a silver electrode 2' on the coating.
JP14744377A 1977-12-07 1977-12-07 Thick film varister Granted JPS5479494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14744377A JPS5479494A (en) 1977-12-07 1977-12-07 Thick film varister

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14744377A JPS5479494A (en) 1977-12-07 1977-12-07 Thick film varister

Publications (2)

Publication Number Publication Date
JPS5479494A true JPS5479494A (en) 1979-06-25
JPS5626967B2 JPS5626967B2 (en) 1981-06-22

Family

ID=15430446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14744377A Granted JPS5479494A (en) 1977-12-07 1977-12-07 Thick film varister

Country Status (1)

Country Link
JP (1) JPS5479494A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618992A1 (en) * 1995-05-10 1996-11-14 Murata Manufacturing Co Thick film paste with low residual carbon content, giving good appearance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618992A1 (en) * 1995-05-10 1996-11-14 Murata Manufacturing Co Thick film paste with low residual carbon content, giving good appearance

Also Published As

Publication number Publication date
JPS5626967B2 (en) 1981-06-22

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