GB1337929A - Thermistors - Google Patents
ThermistorsInfo
- Publication number
- GB1337929A GB1337929A GB1337929DA GB1337929A GB 1337929 A GB1337929 A GB 1337929A GB 1337929D A GB1337929D A GB 1337929DA GB 1337929 A GB1337929 A GB 1337929A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- printed
- thermistor
- interdigitated
- soldered
- 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
Classifications
-
- 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
- H01C1/1413—Terminals or electrodes formed on resistive elements having negative temperature coefficient
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermistors And Varistors (AREA)
Abstract
1337929 Thermistors STANDARD TELEPHONES & CABLES Ltd 4 May 1972 20836/72 Heading H1K A thermistor made of a mixture of NiO and Mn 3 O 4 thermally sintered comprises plural sets of interdigitated parallel plate electrodes 2, 3, interposed in the body of material 1 and alter. nately extending from opposed side faces covered with interconnecting layers 4 to which leads 5 are soldered (Figs, 1, 3). In fabrication a paste of thermistor material and an organic binder is screen printed on a smooth unabsorbent carrier, on which a metallization layer of Pt, Au-Pt, Pd or Pt-Pd is printed to define plural first electrodes (Fig. 6, not shown). A second thermistor material layer is printed on followed by a further plurality of printed electrodes interdigitated with the first (Fig. 7, not shown), and the process is repeated until a thermistor of the required size is built up, which is then diced into a plurality of chip units each with two interdigitated sets of electrodes. After thermal sintering the opposed edges to which the alternate electrodes extend are coated with a suitable noble metal to which leads are soldered.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2083672 | 1972-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1337929A true GB1337929A (en) | 1973-11-21 |
Family
ID=10152520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1337929D Expired GB1337929A (en) | 1972-05-04 | 1972-05-04 | Thermistors |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2321478A1 (en) |
GB (1) | GB1337929A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4107515A (en) * | 1976-09-09 | 1978-08-15 | Texas Instruments Incorporated | Compact PTC resistor |
US4180901A (en) * | 1976-09-09 | 1980-01-01 | Texas Instruments Incorporated | Compact PTC resistor |
US4198669A (en) * | 1976-09-09 | 1980-04-15 | Texas Instruments Incorporated | Compact PTC resistor |
GB2230139A (en) * | 1989-04-06 | 1990-10-10 | Murata Manufacturing Co | PTC thermistor |
EP0476657A1 (en) * | 1990-09-21 | 1992-03-25 | Siemens Aktiengesellschaft | Thermistor with negative temperature coefficient produced by multilayer technology |
US6188308B1 (en) * | 1996-12-26 | 2001-02-13 | Matsushita Electric Industrial Co., Ltd. | PTC thermistor and method for manufacturing the same |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4030479C2 (en) * | 1990-09-26 | 1993-11-25 | Siemens Ag | Electrical resistance in chip design |
JP2833242B2 (en) * | 1991-03-12 | 1998-12-09 | 株式会社村田製作所 | NTC thermistor element |
DE4230848C1 (en) * | 1992-09-15 | 1993-12-23 | Siemens Matsushita Components | Multiple cold conductor for overload protection - has stacked cold conductor discs with U=shaped hoops forming integral disc contacts and contact connections |
DE19635276C2 (en) * | 1996-08-30 | 2003-04-24 | Epcos Ag | Electro-ceramic multilayer component and method for its production |
JP3393524B2 (en) * | 1997-03-04 | 2003-04-07 | 株式会社村田製作所 | NTC thermistor element |
EP1277215B1 (en) | 2000-04-25 | 2009-06-24 | Epcos Ag | Electric component, method for the production thereof and use of the same |
DE10159451A1 (en) | 2001-12-04 | 2003-06-26 | Epcos Ag | Electrical component with a negative temperature coefficient |
-
1972
- 1972-05-04 GB GB1337929D patent/GB1337929A/en not_active Expired
-
1973
- 1973-04-27 DE DE19732321478 patent/DE2321478A1/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4107515A (en) * | 1976-09-09 | 1978-08-15 | Texas Instruments Incorporated | Compact PTC resistor |
US4180901A (en) * | 1976-09-09 | 1980-01-01 | Texas Instruments Incorporated | Compact PTC resistor |
US4198669A (en) * | 1976-09-09 | 1980-04-15 | Texas Instruments Incorporated | Compact PTC resistor |
GB2230139A (en) * | 1989-04-06 | 1990-10-10 | Murata Manufacturing Co | PTC thermistor |
GB2230139B (en) * | 1989-04-06 | 1993-05-26 | Murata Manufacturing Co | Organic positive temperature coefficient thermistor |
EP0476657A1 (en) * | 1990-09-21 | 1992-03-25 | Siemens Aktiengesellschaft | Thermistor with negative temperature coefficient produced by multilayer technology |
US5500996A (en) * | 1990-09-21 | 1996-03-26 | Siemens Aktiengesellschaft | Method for manufacturing a thermistor having a negative temperature coefficient in multi-layer technology |
US6188308B1 (en) * | 1996-12-26 | 2001-02-13 | Matsushita Electric Industrial Co., Ltd. | PTC thermistor and method for manufacturing the same |
US6438821B1 (en) | 1996-12-26 | 2002-08-27 | Matsushita Electric Industrial Co., Ltd. | PTC thermistor and method for manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
DE2321478A1 (en) | 1973-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |