JPH0568982B2 - - Google Patents
Info
- Publication number
- JPH0568982B2 JPH0568982B2 JP1123422A JP12342289A JPH0568982B2 JP H0568982 B2 JPH0568982 B2 JP H0568982B2 JP 1123422 A JP1123422 A JP 1123422A JP 12342289 A JP12342289 A JP 12342289A JP H0568982 B2 JPH0568982 B2 JP H0568982B2
- Authority
- JP
- Japan
- Prior art keywords
- particles
- damping
- damping layer
- piezoelectric vibrator
- layer
- 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
- 239000002245 particle Substances 0.000 claims description 47
- 238000013016 damping Methods 0.000 claims description 46
- 239000000523 sample Substances 0.000 claims description 13
- 229920003002 synthetic resin Polymers 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 11
- 239000008187 granular material Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 44
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 15
- 229910052721 tungsten Inorganic materials 0.000 description 15
- 239000010937 tungsten Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 11
- 239000004593 Epoxy Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000002923 metal particle Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910001930 tungsten oxide Inorganic materials 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12342289A JPH0221850A (ja) | 1989-05-17 | 1989-05-17 | 超音波探触子 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12342289A JPH0221850A (ja) | 1989-05-17 | 1989-05-17 | 超音波探触子 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8374482A Division JPS58206732A (ja) | 1982-05-18 | 1982-05-18 | 超音波探触子の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0221850A JPH0221850A (ja) | 1990-01-24 |
| JPH0568982B2 true JPH0568982B2 (de) | 1993-09-30 |
Family
ID=14860165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12342289A Granted JPH0221850A (ja) | 1989-05-17 | 1989-05-17 | 超音波探触子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221850A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007033140A (ja) * | 2005-07-25 | 2007-02-08 | Railway Technical Res Inst | 超音波探触子 |
| JP7409162B2 (ja) * | 2020-03-06 | 2024-01-09 | Tdk株式会社 | 圧電デバイス |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5338390B2 (de) * | 1972-12-29 | 1978-10-14 | ||
| JPS5654825A (en) * | 1979-10-09 | 1981-05-15 | Shinetsu Polymer Co | Ultrasonic absorber |
| JPS56104651A (en) * | 1980-01-24 | 1981-08-20 | Hitachi Medical Corp | Probe for ultrasonic diagnosis |
| JPS57113691A (en) * | 1980-12-30 | 1982-07-15 | Nippon Dempa Kogyo Co Ltd | Ultrasonic wave probe damper and ultrasonic wave probe using its damper |
| JPS5760487B2 (de) * | 1979-11-27 | 1982-12-20 | Uchida Yuatsu Kiki Kogyo Kk |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6110204Y2 (de) * | 1976-09-07 | 1986-04-02 | ||
| JPS55179477U (de) * | 1979-06-12 | 1980-12-23 | ||
| JPS5760487U (de) * | 1980-09-29 | 1982-04-09 |
-
1989
- 1989-05-17 JP JP12342289A patent/JPH0221850A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5338390B2 (de) * | 1972-12-29 | 1978-10-14 | ||
| JPS5654825A (en) * | 1979-10-09 | 1981-05-15 | Shinetsu Polymer Co | Ultrasonic absorber |
| JPS5760487B2 (de) * | 1979-11-27 | 1982-12-20 | Uchida Yuatsu Kiki Kogyo Kk | |
| JPS56104651A (en) * | 1980-01-24 | 1981-08-20 | Hitachi Medical Corp | Probe for ultrasonic diagnosis |
| JPS57113691A (en) * | 1980-12-30 | 1982-07-15 | Nippon Dempa Kogyo Co Ltd | Ultrasonic wave probe damper and ultrasonic wave probe using its damper |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221850A (ja) | 1990-01-24 |
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