JPS5479494A - Thick film varister - Google Patents
Thick film varisterInfo
- 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
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.
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)
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 |
-
1977
- 1977-12-07 JP JP14744377A patent/JPS5479494A/en active Granted
Cited By (1)
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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