JPH01121849U - - Google Patents
Info
- Publication number
- JPH01121849U JPH01121849U JP19275687U JP19275687U JPH01121849U JP H01121849 U JPH01121849 U JP H01121849U JP 19275687 U JP19275687 U JP 19275687U JP 19275687 U JP19275687 U JP 19275687U JP H01121849 U JPH01121849 U JP H01121849U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- coil winding
- winding frame
- probe
- damper
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims 2
- 239000011810 insulating material Substances 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
上記一実施例の―矢視図、第３図は上記一実
施例を凸部のある被検体に設置した場合の断面図
、第４図は従来の装置の断面図である。
１１，４１……コイル巻枠、１２，４２……コ
イル、１３……ダンパ、１４，４３……永久磁石
、１５ａ，１５ｂ，４４ａ，４４ｂ……コアー。
Fig. 1 is a cross-sectional view of one embodiment of the present invention, Fig. 2 is a view of the above-mentioned embodiment in the - arrow direction, and Fig. 3 is a cross-sectional view of the above-mentioned embodiment installed on a subject with a convex portion. , FIG. 4 is a sectional view of a conventional device. 11, 41... Coil winding frame, 12, 42... Coil, 13... Damper, 14, 43... Permanent magnet, 15a, 15b, 44a, 44b... Core.
Claims (1)
られた２つのコアー、上記永久磁石の下面に設け
られたコイル巻枠、および絶縁材の被覆された電
線が上記コイル巻枠の横方向一定間隔毎に互いに
反対方向に巻きつけられて形成されたコイルを備
えた探触子において、上記の永久磁石とコイル巻
枠の間に伸縮性を有するダンパを設けたことを特
徴とする表面波用電磁超音波探触子。 A permanent magnet, two cores attached to both sides of the permanent magnet, a coil winding frame provided on the lower surface of the permanent magnet, and an electric wire coated with an insulating material are arranged at regular intervals in the lateral direction of the coil winding frame. Electromagnetic ultrasound for surface waves, characterized in that a probe equipped with coils wound in opposite directions to each other is provided with a damper having elasticity between the above-mentioned permanent magnet and the coil winding frame. probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19275687U JPH01121849U (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19275687U JPH01121849U (en) | 1987-12-21 | 1987-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01121849U true JPH01121849U (en) | 1989-08-18 |
Family
ID=31483596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19275687U Pending JPH01121849U (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01121849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008507697A (en) * | 2004-07-23 | 2008-03-13 | エレクトリック パワー リサーチ インスチテュート インコーポレイテッド | Flexible electromagnetic acoustic transducer sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60104253A (en) * | 1983-11-11 | 1985-06-08 | Hitachi Ltd | Electromagnetic ultrasonic measuring device |
-
1987
- 1987-12-21 JP JP19275687U patent/JPH01121849U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60104253A (en) * | 1983-11-11 | 1985-06-08 | Hitachi Ltd | Electromagnetic ultrasonic measuring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008507697A (en) * | 2004-07-23 | 2008-03-13 | エレクトリック パワー リサーチ インスチテュート インコーポレイテッド | Flexible electromagnetic acoustic transducer sensor |
| JP2012123019A (en) * | 2004-07-23 | 2012-06-28 | Electric Power Res Inst Inc | Flexible electromagnetic acoustic transducer sensor |