DE2633566C2 - Keramisches elektrisches Material mit hohem nichtlinearen Widerstand und Verfahren zu seiner Herstellung - Google Patents
Keramisches elektrisches Material mit hohem nichtlinearen Widerstand und Verfahren zu seiner HerstellungInfo
- Publication number
- DE2633566C2 DE2633566C2 DE2633566A DE2633566A DE2633566C2 DE 2633566 C2 DE2633566 C2 DE 2633566C2 DE 2633566 A DE2633566 A DE 2633566A DE 2633566 A DE2633566 A DE 2633566A DE 2633566 C2 DE2633566 C2 DE 2633566C2
- Authority
- DE
- Germany
- Prior art keywords
- mol
- electrical material
- ceramic electrical
- sio
- sintering
- 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
- 239000000463 material Substances 0.000 title claims description 20
- 239000000919 ceramic Substances 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 24
- 239000011787 zinc oxide Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 7
- 239000007858 starting material Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical group [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 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
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
- H01C7/112—ZnO type
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Thermistors And Varistors (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH842576A CH601135A5 (en]) | 1976-07-01 | 1976-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2633566A1 DE2633566A1 (de) | 1978-01-12 |
| DE2633566C2 true DE2633566C2 (de) | 1985-02-07 |
Family
ID=4340144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2633566A Expired DE2633566C2 (de) | 1976-07-01 | 1976-07-27 | Keramisches elektrisches Material mit hohem nichtlinearen Widerstand und Verfahren zu seiner Herstellung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4174303A (en]) |
| JP (1) | JPS6057205B2 (en]) |
| CH (1) | CH601135A5 (en]) |
| DE (1) | DE2633566C2 (en]) |
| FR (1) | FR2357045A1 (en]) |
| GB (1) | GB1522569A (en]) |
| SE (1) | SE411271B (en]) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3036617C2 (de) * | 1980-09-29 | 1982-06-24 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Herstellung des Keramikmaterials für Zinkoxid-Varistoren |
| FR2545259B1 (fr) * | 1983-04-29 | 1985-12-27 | Ceraver | Isolateur electrique presentant une insensibilite amelioree a la pollution |
| US5019063A (en) * | 1989-10-30 | 1991-05-28 | The Procter & Gamble Company | Absorbent articles containing mechanical pulp and polymeric gelling material |
| JP2624601B2 (ja) * | 1992-03-16 | 1997-06-25 | 日本碍子株式会社 | 電圧非直線抵抗体の製造方法 |
| JP6458915B1 (ja) | 2017-05-19 | 2019-01-30 | 新日鐵住金株式会社 | 焼入れ加工装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS495555B1 (en]) * | 1968-10-22 | 1974-02-07 | ||
| US3764566A (en) * | 1972-03-24 | 1973-10-09 | Matsushita Electric Ind Co Ltd | Voltage nonlinear resistors |
| FR2176589A1 (en) * | 1972-03-24 | 1973-11-02 | Matsushita Electric Ind Co Ltd | Voltage dependent resistors - sintered zinc oxide with silicon dioxide and other selected metal oxides |
| DE2215933C3 (de) * | 1972-03-29 | 1975-04-10 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) | Spannungsabhängige Masse widerstände |
| NL179524C (nl) * | 1972-12-29 | 1986-09-16 | Matsushita Electric Ind Co Ltd | Werkwijze voor de vervaardiging van een spanningsafhankelijke weerstand. |
| US3926858A (en) * | 1973-07-13 | 1975-12-16 | Tokyo Shibaura Electric Co | Moisture sensitive element |
| US3950274A (en) * | 1973-09-27 | 1976-04-13 | General Electric Company | Process for making a low voltage varistor |
| JPS5524247B2 (en]) * | 1973-10-19 | 1980-06-27 | ||
| NL181156C (nl) * | 1975-09-25 | 1987-06-16 | Gen Electric | Werkwijze voor de vervaardiging van een metaaloxide varistor. |
| US4046847A (en) * | 1975-12-22 | 1977-09-06 | General Electric Company | Process for improving the stability of sintered zinc oxide varistors |
-
1976
- 1976-07-01 CH CH842576A patent/CH601135A5/xx not_active IP Right Cessation
- 1976-07-27 DE DE2633566A patent/DE2633566C2/de not_active Expired
-
1977
- 1977-06-16 JP JP52071565A patent/JPS6057205B2/ja not_active Expired
- 1977-06-30 US US05/811,867 patent/US4174303A/en not_active Expired - Lifetime
- 1977-06-30 FR FR7720169A patent/FR2357045A1/fr active Granted
- 1977-06-30 SE SE7707636A patent/SE411271B/xx not_active IP Right Cessation
- 1977-07-01 GB GB27627/77A patent/GB1522569A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2633566A1 (de) | 1978-01-12 |
| CH601135A5 (en]) | 1978-06-30 |
| FR2357045A1 (fr) | 1978-01-27 |
| US4174303A (en) | 1979-11-13 |
| FR2357045B1 (en]) | 1983-08-26 |
| GB1522569A (en) | 1978-08-23 |
| JPS6057205B2 (ja) | 1985-12-13 |
| SE7707636L (sv) | 1978-01-02 |
| JPS534893A (en) | 1978-01-17 |
| SE411271B (sv) | 1979-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAM | Search report available | ||
| OC | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: BBC BROWN BOVERI AG, BADEN, AARGAU, CH |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |
|
| 8339 | Ceased/non-payment of the annual fee |