JPS6466906A - Thermistor - Google Patents
ThermistorInfo
- Publication number
- JPS6466906A JPS6466906A JP22468187A JP22468187A JPS6466906A JP S6466906 A JPS6466906 A JP S6466906A JP 22468187 A JP22468187 A JP 22468187A JP 22468187 A JP22468187 A JP 22468187A JP S6466906 A JPS6466906 A JP S6466906A
- Authority
- JP
- Japan
- Prior art keywords
- thermistor
- constants
- constant
- elements
- parallel
- 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
- 238000009792 diffusion process Methods 0.000 abstract 2
- 238000010030 laminating Methods 0.000 abstract 2
- 230000003449 preventive effect Effects 0.000 abstract 2
- 229910016341 Al2O3 ZrO2 Inorganic materials 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
Landscapes
- Thermistors And Varistors (AREA)
Abstract
PURPOSE:To obtain a thermistor, a B constant and a resistance value R of which can be selected freely, by laminating a plurality of thermistor elements with different thermistor constants (B constants) and resistivity and constituting the thermistor by electrically connecting the thermistor elements in parallel. CONSTITUTION:The whole thermistor is coated with Al2O3 insulating ceramics 23. Each thermistor elements 21, 22 are brought into contact with internal electrodes 25, and the internal electrodes are connected electrically in parallel with external electrodes 26 disposed on both left and right side faces. Diffusion preventive layers 24a, 24b, 24c are formed among the internal electrodes. The diffusion preventive layers are shaped by an Al2O3-ZrO2 group. When B constants of respective element are equalized approximately, resultant resistance R takes a value acquired by connecting each element in parallel, but a resultant B constant is made the same as the B constant of separate element. When the B constants of two elements largely differ, both combined resistance and the B constant approximate values on the element side having a low resistance value. Accordingly, the resistance value and the B constant can be selected from a wide range by choosing the number of laminating of the elements and the B constants of each element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62224681A JP2798136B2 (en) | 1987-09-07 | 1987-09-07 | Thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62224681A JP2798136B2 (en) | 1987-09-07 | 1987-09-07 | Thermistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6466906A true JPS6466906A (en) | 1989-03-13 |
| JP2798136B2 JP2798136B2 (en) | 1998-09-17 |
Family
ID=16817557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62224681A Expired - Lifetime JP2798136B2 (en) | 1987-09-07 | 1987-09-07 | Thermistor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2798136B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002299103A (en) * | 2001-03-29 | 2002-10-11 | Murata Mfg Co Ltd | Laminated electronic component and its manufacturing method |
| WO2003060928A1 (en) * | 2002-01-10 | 2003-07-24 | Lamina Ceramics, Inc. | Temperature compensation device with integral sheet thermistors |
| US6720859B2 (en) * | 2002-01-10 | 2004-04-13 | Lamina Ceramics, Inc. | Temperature compensating device with embedded columnar thermistors |
| JP2005512317A (en) * | 2001-12-04 | 2005-04-28 | エプコス アクチエンゲゼルシャフト | Electrical device with negative temperature coefficient |
| JP2008078576A (en) * | 2006-09-25 | 2008-04-03 | Tdk Corp | NTC composition and NTC element |
| JP2015211217A (en) * | 2014-04-25 | 2015-11-24 | スマート エレクトロニクス インク | Circuit protection device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5011585A (en) * | 1973-05-31 | 1975-02-06 | ||
| JPS55135403A (en) * | 1979-09-20 | 1980-10-22 | Nec Corp | Manufacture of waveguide |
-
1987
- 1987-09-07 JP JP62224681A patent/JP2798136B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5011585A (en) * | 1973-05-31 | 1975-02-06 | ||
| JPS55135403A (en) * | 1979-09-20 | 1980-10-22 | Nec Corp | Manufacture of waveguide |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002299103A (en) * | 2001-03-29 | 2002-10-11 | Murata Mfg Co Ltd | Laminated electronic component and its manufacturing method |
| JP2005512317A (en) * | 2001-12-04 | 2005-04-28 | エプコス アクチエンゲゼルシャフト | Electrical device with negative temperature coefficient |
| WO2003060928A1 (en) * | 2002-01-10 | 2003-07-24 | Lamina Ceramics, Inc. | Temperature compensation device with integral sheet thermistors |
| US6720859B2 (en) * | 2002-01-10 | 2004-04-13 | Lamina Ceramics, Inc. | Temperature compensating device with embedded columnar thermistors |
| JP2008078576A (en) * | 2006-09-25 | 2008-04-03 | Tdk Corp | NTC composition and NTC element |
| JP2015211217A (en) * | 2014-04-25 | 2015-11-24 | スマート エレクトロニクス インク | Circuit protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2798136B2 (en) | 1998-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment |
Free format text: PAYMENT UNTIL: 20080703 Year of fee payment: 10 |