DE2445659C2 - Metalloxid-Varistor - Google Patents
Metalloxid-VaristorInfo
- Publication number
- DE2445659C2 DE2445659C2 DE2445659A DE2445659A DE2445659C2 DE 2445659 C2 DE2445659 C2 DE 2445659C2 DE 2445659 A DE2445659 A DE 2445659A DE 2445659 A DE2445659 A DE 2445659A DE 2445659 C2 DE2445659 C2 DE 2445659C2
- Authority
- DE
- Germany
- Prior art keywords
- coating
- additives
- reaction product
- metal oxide
- resistor body
- 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
- 229910044991 metal oxide Inorganic materials 0.000 title claims description 23
- 150000004706 metal oxides Chemical class 0.000 title claims description 23
- 239000011248 coating agent Substances 0.000 claims description 39
- 238000000576 coating method Methods 0.000 claims description 39
- 239000007795 chemical reaction product Substances 0.000 claims description 23
- 239000000654 additive Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims 2
- 230000008018 melting Effects 0.000 claims 2
- 239000000155 melt Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 10
- 238000013459 approach Methods 0.000 description 7
- 239000003085 diluting agent Substances 0.000 description 5
- 241001233037 catfish Species 0.000 description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910000428 cobalt oxide Inorganic materials 0.000 description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- 238000010285 flame spraying Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- 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
- 230000000996 additive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49099—Coating resistive material on a base
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49101—Applying terminal
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 |
|---|---|---|---|
| US00401334A US3857174A (en) | 1973-09-27 | 1973-09-27 | Method of making varistor with passivating coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2445659A1 DE2445659A1 (de) | 1975-04-03 |
| DE2445659C2 true DE2445659C2 (de) | 1982-09-09 |
Family
ID=23587321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2445659A Expired DE2445659C2 (de) | 1973-09-27 | 1974-09-25 | Metalloxid-Varistor |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3857174A (enrdf_load_stackoverflow) |
| JP (1) | JPS563644B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1011884A (enrdf_load_stackoverflow) |
| DE (1) | DE2445659C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2246034B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1483811A (enrdf_load_stackoverflow) |
| IE (1) | IE39769B1 (enrdf_load_stackoverflow) |
| IT (1) | IT1022209B (enrdf_load_stackoverflow) |
| SE (1) | SE395561B (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4031498A (en) * | 1974-10-26 | 1977-06-21 | Kabushiki Kaisha Meidensha | Non-linear voltage-dependent resistor |
| US4097834A (en) * | 1976-04-12 | 1978-06-27 | Motorola, Inc. | Non-linear resistors |
| IE47121B1 (en) * | 1977-07-29 | 1983-12-28 | Gen Electric | Stabilized varistor |
| DE2735484C2 (de) * | 1977-08-05 | 1984-06-07 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Herstellung von Dickfilm-Varistoren mit Zinkoxid als Hauptkomponente |
| US4148135A (en) * | 1978-03-10 | 1979-04-10 | General Electric Company | Method of treating metal oxide varistors to reduce power loss |
| US5455554A (en) * | 1993-09-27 | 1995-10-03 | Cooper Industries, Inc. | Insulating coating |
| DE19931056B4 (de) * | 1999-07-06 | 2005-05-19 | Epcos Ag | Vielschichtvaristor niedriger Kapazität |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1483538A (en) * | 1919-05-06 | 1924-02-12 | Westinghouse Electric & Mfg Co | Lightning arrester |
| DE471978C (de) * | 1919-06-01 | 1929-02-20 | Rudolf Schnabel | Verfahren zur Herstellung keramischer elektrischer Widerstaende |
| DE733726C (de) * | 1937-09-12 | 1943-04-01 | Siemens Ag | Verfahren zur Herstellung von metallisierten Isolierstoffolien |
| DE941300C (de) * | 1943-05-01 | 1956-04-05 | Siemens Ag | Verfahren zur Erzielung groesserer Flaechenleitfaehigkeit an Kontaktstellen von metallischen Schichtwiderstaenden |
| US2501322A (en) * | 1946-11-07 | 1950-03-21 | Westinghouse Electric Corp | Moisture-resistant lightning arrester valve block |
| DE1066654B (enrdf_load_stackoverflow) * | 1955-09-30 | 1959-10-08 | ||
| GB1037822A (en) * | 1961-12-15 | 1966-08-03 | Ass Elect Ind | Improvements relating to non-linear electrical resistance elements |
| US3217281A (en) * | 1962-05-28 | 1965-11-09 | Corning Glass Works | Electrical resistor |
| JPS521113B1 (enrdf_load_stackoverflow) * | 1966-05-16 | 1977-01-12 | ||
| CA831691A (en) * | 1967-10-09 | 1970-01-06 | Matsuoka Michio | Non-linear resistors of bulk type |
| NL6901538A (enrdf_load_stackoverflow) * | 1969-01-31 | 1970-08-04 | ||
| DE2026011C3 (de) * | 1970-05-22 | 1980-06-26 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) | Spannungsabhängiger Widerstand |
| US3768058A (en) * | 1971-07-22 | 1973-10-23 | Gen Electric | Metal oxide varistor with laterally spaced electrodes |
| JPS5240038B2 (enrdf_load_stackoverflow) * | 1972-12-29 | 1977-10-08 |
-
1973
- 1973-09-27 US US00401334A patent/US3857174A/en not_active Expired - Lifetime
-
1974
- 1974-08-19 CA CA207,329A patent/CA1011884A/en not_active Expired
- 1974-08-26 IE IE1769/74A patent/IE39769B1/xx unknown
- 1974-09-23 IT IT27580/74A patent/IT1022209B/it active
- 1974-09-25 SE SE7412082A patent/SE395561B/xx not_active IP Right Cessation
- 1974-09-25 DE DE2445659A patent/DE2445659C2/de not_active Expired
- 1974-09-26 JP JP11004274A patent/JPS563644B2/ja not_active Expired
- 1974-09-26 FR FR7432407A patent/FR2246034B1/fr not_active Expired
- 1974-09-27 GB GB42154/74A patent/GB1483811A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE395561B (sv) | 1977-08-15 |
| JPS5076588A (enrdf_load_stackoverflow) | 1975-06-23 |
| IE39769L (en) | 1975-03-27 |
| GB1483811A (en) | 1977-08-24 |
| CA1011884A (en) | 1977-06-07 |
| SE7412082L (enrdf_load_stackoverflow) | 1975-04-01 |
| DE2445659A1 (de) | 1975-04-03 |
| IE39769B1 (en) | 1978-12-20 |
| JPS563644B2 (enrdf_load_stackoverflow) | 1981-01-26 |
| FR2246034B1 (enrdf_load_stackoverflow) | 1981-08-21 |
| US3857174A (en) | 1974-12-31 |
| FR2246034A1 (enrdf_load_stackoverflow) | 1975-04-25 |
| IT1022209B (it) | 1978-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8120 | Willingness to grant licences paragraph 23 | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |