US5245309A
Expired / Lapsed
US
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Thermistor element
Assignee: Murata Manufacturing Co Ltd
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Filing: 1992-03-10
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Granted: 1993-09-14
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Expires: 2012-03-10
Abstract
Abstract A thermistor element in which in a thermistor body having first and second outer electrodes formed on a pair of its end surfaces, a first inner electrode connected to the first outer electrode and a second inner electrode connected to the second outer electrode are so disposed that their ends are opposed a predetermined distance away from each other.
Inventors
- 👤 Masahiko Kawase
- 👤 Toshiharu Hirota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:23
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/006; H01C1/00; H01C1/14; H01C1/1406; H01C1/1413
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
70 words
A thermistor element comprising: a thermistor body; first and second outer electrodes formed on opposed outer surfaces of said thermistor body; and first and second inner electrodes, having first ends respectively connected to said first and second outer electrodes, said first and second inner electrodes extending into said thermistor body so that respective second ends of said inner electrodes are opposed a predetermined distance away from each other without overlapping.
Claim 2
Dependent Claim
70 words
A thermistor element comprising: a thermistor body; first and second outer electrodes formed on opposed outer surfaces of said thermistor body; and first and second inner electrodes, having first ends respectively connected to said first and second outer electrodes, said first and second inner electrodes extending into said thermistor body so that respective second ends of said inner electrodes are opposed a predetermined distance away from each other without overlapping.
Claim 3
Dependent Claim
37 words
The thermistor element according to claim 1, wherein remaining said first ends other than edges respectively connected to the first and second outer electrode, of said first and second inner electrodes are disposed in the thermistor body.
Claim 4
Dependent Claim
38 words
The thermistor element according to claim 1, wherein said thermistor body is constructed using a ceramic sintered body obtained by laminating a plurality of ceramic green sheets, along with first and second inner electrode materials, followed by cofiring.
Claim 5
Dependent Claim
24 words
The thermistor element according to claim 1, wherein a plurality of the first and second inner electrodes are respectively formed in the thermistor body.
Claim 6
Dependent Claim
16 words
The thermistor element according to claim 1, wherein the thermistor element is an NTC thermistor element.
Claim 7
Dependent Claim
16 words
The thermistor element according to claim 1, wherein the thermistor element is a PTC thermistor element.
Claim 8
Dependent Claim
84 words
A thermistor element comprising: a thermistor body; first and second outer electrodes formed on opposed outer surfaces of said thermistor body; and first and second inner electrodes respectively connected to said first and second outer electrodes and extending into said thermistor body, said first and second inner electrodes being so formed that respective ends of said inner electrodes are opposed a predetermined distance away from each other, wherein said first and second inner electrodes are formed on the same plane in the thermistor body.
Claim 9
Dependent Claim
84 words
A thermistor element comprising: a thermistor body; first and second outer electrodes formed on opposed outer surfaces of said thermistor body; and first and second inner electrodes respectively connected to said first and second outer electrodes and extending into said thermistor body, said first and second inner electrodes being so formed that respective ends of said inner electrodes are opposed a predetermined distance away from each other, wherein said first and second inner electrodes are formed on the same plane in the thermistor body.
Claim 10
Dependent Claim
35 words
The thermistor element according to claim 7, wherein remaining edges, other than edges respectively connected to the first and second outer electrode, of said first and second inner electrodes are disposed in the thermistor body.
Claim 11
Dependent Claim
38 words
The thermistor element according to claim 5, wherein said thermistor body is constructed using a ceramic sintered body obtained by laminating a plurality of ceramic green sheets, along with first and second inner electrode materials, followed by cofiring.
Claim 12
Dependent Claim
24 words
The thermistor element according to claim 5, wherein a plurality of the first and second inner electrodes are respectively formed in the thermistor body.
Claim 13
Dependent Claim
16 words
The thermistor element according to claim 5, wherein the thermistor element is a NTC thermistor element.
Claim 14
Dependent Claim
16 words
The thermistor element according to claim 5, wherein the thermistor element is a PTC thermistor element.
Claim 15
Dependent Claim
86 words
A thermistor element comprising: a thermistor body; first and second outer electrodes formed on opposed outer surfaces of said thermistor body; and first and second inner electrodes, having first ends respectively connected to said first and second outer electrodes, said first and second inner electrodes extending into said thermistor body so that respective second ends of said inner electrodes are opposed a predetermined distance away from each other without overlapping, and said first and second inner electrodes are formed on different planes in the thermistor body.
Claim 16
Dependent Claim
86 words
A thermistor element comprising: a thermistor body; first and second outer electrodes formed on opposed outer surfaces of said thermistor body; and first and second inner electrodes, having first ends respectively connected to said first and second outer electrodes, said first and second inner electrodes extending into said thermistor body so that respective second ends of said inner electrodes are opposed a predetermined distance away from each other without overlapping, and said first and second inner electrodes are formed on different planes in the thermistor body.
Claim 17
Dependent Claim
34 words
The thermistor element according to claim 6, wherein said first and second inner electrodes, other than said first ends respectively connected to the first and second outer electrode, are disposed in the thermistor body.
Claim 18
Dependent Claim
38 words
The thermistor element according to claim 6, wherein said thermistor body is constructed using a ceramic sintered body obtained by laminating a plurality of ceramic green sheets, along with first and second inner electrode materials, followed by cofiring.
Claim 19
Dependent Claim
24 words
The thermistor element according to claim 6, wherein a plurality of the first and second inner electrodes are respectively formed in the thermistor body.
Claim 20
Dependent Claim
16 words
The thermistor element according to claim 6, wherein the thermistor element is a NTC thermistor element.
Claim 21
Dependent Claim
16 words
The thermistor element according to claim 6, wherein the thermistor element is a PTC thermistor element.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-09-13 | 1997-03-15 | 1997-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-09-13 | 2001-03-15 | 2001-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-09-13 | 2005-03-15 | 2005-09-14 | $7700.00 | Window Closed / Lapsed |