PTC thermistor member
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United States of America Patent
Stats
-
Jan 16, 2018
Issued Date -
N/A
app pub date -
Apr 25, 2014
filing date -
May 9, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A PTC thermistor device has a PTC thermistor member and electrodes. The electrodes, are formed on respective surfaces of the PTC thermistor member. The PTC thermistor member contains a matrix phase, and conductive particles dispersed throughout the matrix phase. The matrix phase contains an electrically insulating first inorganic material and an electrically insulating second inorganic material. The first inorganic material undergoes phase transition in terms of crystal structure type and change in volume, at the phase transition temperature thereof. The second inorganic material is fibrous.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- H01C Class
- 191 Applications Filed
- 151 Patents Issued To-Date
- 79.06 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H01C Class
- 0 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 16, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 16, 2029 |
