IE42714B1 - Improvements in varistors - Google Patents
Improvements in varistorsInfo
- Publication number
- IE42714B1 IE42714B1 IE108176A IE108176A IE42714B1 IE 42714 B1 IE42714 B1 IE 42714B1 IE 108176 A IE108176 A IE 108176A IE 108176 A IE108176 A IE 108176A IE 42714 B1 IE42714 B1 IE 42714B1
- Authority
- IE
- Ireland
- Prior art keywords
- varistor
- paste
- thick film
- electrode composition
- oxide
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 238000010304 firing Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 30
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 22
- 239000000919 ceramic Substances 0.000 claims description 16
- 230000015556 catabolic process Effects 0.000 claims description 11
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 11
- 239000011787 zinc oxide Substances 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 7
- 229910000416 bismuth oxide Inorganic materials 0.000 claims description 7
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 7
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims description 7
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 5
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical class [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910001848 post-transition metal Inorganic materials 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 4
- 229910001020 Au alloy Inorganic materials 0.000 claims 3
- 229910001260 Pt alloy Inorganic materials 0.000 claims 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052759 nickel Inorganic materials 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 229910000314 transition metal oxide Inorganic materials 0.000 claims 2
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract 3
- 238000009825 accumulation Methods 0.000 abstract 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 description 6
- 150000004706 metal oxides Chemical class 0.000 description 6
- 238000005245 sintering Methods 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 3
- 229910001887 tin oxide Inorganic materials 0.000 description 3
- 229910018885 Pt—Au Inorganic materials 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010902 jet-milling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 239000010665 pine oil Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58942875A | 1975-06-23 | 1975-06-23 | |
| US58942975A | 1975-06-23 | 1975-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE42714L IE42714L (en) | 1976-12-23 |
| IE42714B1 true IE42714B1 (en) | 1980-10-08 |
Family
ID=27080555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE108176A IE42714B1 (en) | 1975-06-23 | 1976-05-21 | Improvements in varistors |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS584801B2 (enExample) |
| DE (1) | DE2627930C2 (enExample) |
| FR (1) | FR2315772A1 (enExample) |
| GB (1) | GB1548934A (enExample) |
| IE (1) | IE42714B1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2512578A1 (fr) * | 1981-09-04 | 1983-03-11 | Thomson Csf | Procede de fabrication de varistance, a couche epaisse sur un substrat de circuit hybride, et varistance ainsi obtenue |
| JPS62193207A (ja) * | 1986-02-20 | 1987-08-25 | 松下電器産業株式会社 | 電圧非直線性素子 |
| JPS62242303A (ja) * | 1986-04-14 | 1987-10-22 | 松下電器産業株式会社 | 電圧非直線性素子 |
| JPS62242308A (ja) * | 1986-04-14 | 1987-10-22 | 松下電器産業株式会社 | 電圧非直線性素子 |
| JP2719023B2 (ja) * | 1990-03-02 | 1998-02-25 | 日本碍子株式会社 | ギャップ形避雷装置用酸化亜鉛素子 |
| JP2562322Y2 (ja) * | 1992-03-05 | 1998-02-10 | 有限会社 佐藤板金工業所 | 既設瓦棒葺屋根用補修屋根 |
| JPH08306229A (ja) * | 1995-05-10 | 1996-11-22 | Murata Mfg Co Ltd | 厚膜ペースト |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687871A (en) * | 1970-07-24 | 1972-08-29 | Matsushita Electric Industrial Co Ltd | Nonlinear resistor and nonlinear resistor composition |
| US3682841A (en) * | 1970-12-01 | 1972-08-08 | Matsushita Electric Industrial Co Ltd | Voltage dependent resistors in a bulk type |
| GB1346851A (en) * | 1971-05-21 | 1974-02-13 | Matsushita Electric Industrial Co Ltd | Varistors |
| DE2126340C3 (de) * | 1971-05-24 | 1973-10-25 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) | Mit Elektroden versehener Dick schichtwiderstand |
-
1976
- 1976-05-21 IE IE108176A patent/IE42714B1/en unknown
- 1976-06-18 GB GB2541676A patent/GB1548934A/en not_active Expired
- 1976-06-22 FR FR7618959A patent/FR2315772A1/fr active Granted
- 1976-06-22 DE DE19762627930 patent/DE2627930C2/de not_active Expired
- 1976-06-23 JP JP51073351A patent/JPS584801B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1548934A (en) | 1979-07-18 |
| JPS524096A (en) | 1977-01-12 |
| FR2315772A1 (fr) | 1977-01-21 |
| DE2627930C2 (de) | 1985-09-05 |
| FR2315772B1 (enExample) | 1982-07-09 |
| JPS584801B2 (ja) | 1983-01-27 |
| IE42714L (en) | 1976-12-23 |
| DE2627930A1 (de) | 1977-01-13 |
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