JPS6211761B2 - - Google Patents
Info
- Publication number
- JPS6211761B2 JPS6211761B2 JP55080992A JP8099280A JPS6211761B2 JP S6211761 B2 JPS6211761 B2 JP S6211761B2 JP 55080992 A JP55080992 A JP 55080992A JP 8099280 A JP8099280 A JP 8099280A JP S6211761 B2 JPS6211761 B2 JP S6211761B2
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- metal oxide
- varistor
- manufacturing
- oxide varistor
- 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.)
- Expired
Links
- 239000011241 protective layer Substances 0.000 claims description 42
- 229920001296 polysiloxane Polymers 0.000 claims description 26
- 238000005476 soldering Methods 0.000 claims description 25
- 239000004642 Polyimide Substances 0.000 claims description 23
- 229920001721 polyimide Polymers 0.000 claims description 23
- 229910044991 metal oxide Inorganic materials 0.000 claims description 21
- 150000004706 metal oxides Chemical class 0.000 claims description 21
- 239000010410 layer Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 229910000679 solder Inorganic materials 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 150000004985 diamines Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- GPXCORHXFPYJEH-UHFFFAOYSA-N 3-[[3-aminopropyl(dimethyl)silyl]oxy-dimethylsilyl]propan-1-amine Chemical compound NCCC[Si](C)(C)O[Si](C)(C)CCCN GPXCORHXFPYJEH-UHFFFAOYSA-N 0.000 description 1
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006023 eutectic alloy Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920005575 poly(amic acid) Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000035936 sexual power Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- -1 zinc oxide Chemical class 0.000 description 1
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
- H01C7/102—Varistor boundary, e.g. surface layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/034—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being formed as coating or mould without outer sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
- H01C1/144—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the terminals or tapping points being welded or soldered
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4922379A | 1979-06-18 | 1979-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5612703A JPS5612703A (en) | 1981-02-07 |
| JPS6211761B2 true JPS6211761B2 (is") | 1987-03-14 |
Family
ID=21958696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8099280A Granted JPS5612703A (en) | 1979-06-18 | 1980-06-17 | Metal oxide varister and method of manufacturing same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5612703A (is") |
| DE (1) | DE3022489A1 (is") |
| GB (1) | GB2052856B (is") |
| MX (1) | MX147843A (is") |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444351A (en) * | 1981-11-16 | 1984-04-24 | Electric Power Research Institute, Inc. | Method of soldering metal oxide varistors |
| JPS60156976U (ja) * | 1984-03-29 | 1985-10-18 | 株式会社 エム・ケ−・アイ | 魚釣用発光式浮子 |
| DE3731966C3 (de) * | 1986-09-26 | 1995-02-09 | Gen Electric | Oberflächenmontierbarer Varistor |
| US4785276A (en) * | 1986-09-26 | 1988-11-15 | General Electric Company | Voltage multiplier varistor |
| DE3638342A1 (de) * | 1986-11-10 | 1988-05-19 | Siemens Ag | Elektrisches bauelement aus keramik mit mehrlagenmetallisierung und verfahren zu seiner herstellung |
| DE10000617A1 (de) * | 2000-01-10 | 2001-07-12 | Abb Hochspannungstechnik Ag | Ueberspannungsableiter |
| CN110349720A (zh) * | 2018-04-04 | 2019-10-18 | 爱普科斯电子元器件(珠海保税区)有限公司 | 金属氧化物压敏电阻器及其制造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2473887A (en) * | 1945-12-29 | 1949-06-21 | Westinghouse Electric Corp | Protecting metal surfaces during soldering and brazing processes |
| US2501322A (en) * | 1946-11-07 | 1950-03-21 | Westinghouse Electric Corp | Moisture-resistant lightning arrester valve block |
| DE2126340C3 (de) * | 1971-05-24 | 1973-10-25 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) | Mit Elektroden versehener Dick schichtwiderstand |
| JPS549294B2 (is") * | 1972-02-16 | 1979-04-23 | ||
| DE2639042C3 (de) * | 1976-08-30 | 1982-03-25 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Spannungsabhängiges Widerstandselement und Verfahren zu dessen Herstellung |
| AU497337B2 (en) * | 1976-11-19 | 1978-12-07 | Matsushita Electric Industrial Co., Ltd. | Voltage-dependent resistor |
| US4148135A (en) * | 1978-03-10 | 1979-04-10 | General Electric Company | Method of treating metal oxide varistors to reduce power loss |
-
1980
- 1980-04-18 GB GB8012805A patent/GB2052856B/en not_active Expired
- 1980-06-14 DE DE19803022489 patent/DE3022489A1/de active Granted
- 1980-06-17 JP JP8099280A patent/JPS5612703A/ja active Granted
- 1980-06-17 MX MX18280380A patent/MX147843A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3022489C2 (is") | 1990-08-23 |
| MX147843A (es) | 1983-01-20 |
| GB2052856B (en) | 1983-08-10 |
| JPS5612703A (en) | 1981-02-07 |
| DE3022489A1 (de) | 1981-01-29 |
| GB2052856A (en) | 1981-01-28 |
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