JPH0543597Y2 - - Google Patents
Info
- Publication number
- JPH0543597Y2 JPH0543597Y2 JP1987137078U JP13707887U JPH0543597Y2 JP H0543597 Y2 JPH0543597 Y2 JP H0543597Y2 JP 1987137078 U JP1987137078 U JP 1987137078U JP 13707887 U JP13707887 U JP 13707887U JP H0543597 Y2 JPH0543597 Y2 JP H0543597Y2
- Authority
- JP
- Japan
- Prior art keywords
- film
- protective film
- protective
- polymer piezoelectric
- films
- 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 - Lifetime
Links
- 230000001681 protective effect Effects 0.000 claims description 34
- 229920000642 polymer Polymers 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- PHAFDKCRJVKSSR-UHFFFAOYSA-N ethene hydrofluoride Chemical group F.C=C PHAFDKCRJVKSSR-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- WFLOTYSKFUPZQB-UHFFFAOYSA-N 1,2-difluoroethene Chemical group FC=CF WFLOTYSKFUPZQB-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 2
- 229920001643 poly(ether ketone) Polymers 0.000 description 2
- -1 polychlorotrifluoroethylene Polymers 0.000 description 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- ZQXCQTAELHSNAT-UHFFFAOYSA-N 1-chloro-3-nitro-5-(trifluoromethyl)benzene Chemical compound [O-][N+](=O)C1=CC(Cl)=CC(C(F)(F)F)=C1 ZQXCQTAELHSNAT-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987137078U JPH0543597Y2 (en]) | 1987-09-08 | 1987-09-08 | |
| US07/171,963 US4825116A (en) | 1987-05-07 | 1988-03-23 | Transmitter-receiver of ultrasonic distance measuring device |
| DE3815359A DE3815359A1 (de) | 1987-05-07 | 1988-05-05 | Sender/empfaenger eines ultraschall-entfernungsmessgeraetes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987137078U JPH0543597Y2 (en]) | 1987-09-08 | 1987-09-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6442699U JPS6442699U (en]) | 1989-03-14 |
| JPH0543597Y2 true JPH0543597Y2 (en]) | 1993-11-02 |
Family
ID=31398180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987137078U Expired - Lifetime JPH0543597Y2 (en]) | 1987-05-07 | 1987-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543597Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3861705B2 (ja) * | 2002-01-31 | 2006-12-20 | 松下電工株式会社 | 電歪アクチュエータ |
-
1987
- 1987-09-08 JP JP1987137078U patent/JPH0543597Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6442699U (en]) | 1989-03-14 |
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