JPH0524228Y2 - - Google Patents
Info
- Publication number
- JPH0524228Y2 JPH0524228Y2 JP11488187U JP11488187U JPH0524228Y2 JP H0524228 Y2 JPH0524228 Y2 JP H0524228Y2 JP 11488187 U JP11488187 U JP 11488187U JP 11488187 U JP11488187 U JP 11488187U JP H0524228 Y2 JPH0524228 Y2 JP H0524228Y2
- Authority
- JP
- Japan
- Prior art keywords
- holding member
- piezoelectric film
- ultrasonic
- piezoelectric
- cylindrical
- 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
- 238000004804 winding Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000013016 damping Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920005603 alternating copolymer Polymers 0.000 description 1
- -1 cyanovinylidene Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11488187U JPH0524228Y2 (en]) | 1987-07-27 | 1987-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11488187U JPH0524228Y2 (en]) | 1987-07-27 | 1987-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6419179U JPS6419179U (en]) | 1989-01-31 |
| JPH0524228Y2 true JPH0524228Y2 (en]) | 1993-06-21 |
Family
ID=31356027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11488187U Expired - Lifetime JPH0524228Y2 (en]) | 1987-07-27 | 1987-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0524228Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7342323B2 (ja) * | 2019-05-23 | 2023-09-12 | 学校法人東北学院 | 超音波放射装置 |
-
1987
- 1987-07-27 JP JP11488187U patent/JPH0524228Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6419179U (en]) | 1989-01-31 |
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