Piezoelectric element including fluororesin film
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United States of America Patent
Stats
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May 17, 2016
Grant Date -
Jan 15, 2015
app pub date -
Jan 28, 2013
filing date -
Feb 7, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
There is provided a piezoelectric element, including: a porous fluororesin film made of a first fluororesin; and a nonporous fluororesin layer stacked on at least one surface of the porous fluororesin film and made of a second fluororesin, wherein the first fluororesin is different in type from the second fluororesin, and when 50 pores are selected in descending order from a pore having the longest thickness-direction length, of pores present in a cut surface of the porous fluororesin film in a thickness direction, an average value A50 of thickness-direction lengths of the 50 pores is 3 μm or smaller.
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International Classification(s)
- 2013 Application Filing Year
- C08J Class
- 1321 Applications Filed
- 1140 Patents Issued To-Date
- 86.30 % Issued To-Date
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- 0 Citation Count
- C08J Class
- 0 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 17, 2027 |
