JPH02676U - - Google Patents
Info
- Publication number
- JPH02676U JPH02676U JP7872188U JP7872188U JPH02676U JP H02676 U JPH02676 U JP H02676U JP 7872188 U JP7872188 U JP 7872188U JP 7872188 U JP7872188 U JP 7872188U JP H02676 U JPH02676 U JP H02676U
- Authority
- JP
- Japan
- Prior art keywords
- matching layer
- resonator
- adhesive
- disc
- cylindrical tube
- 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.)
- Granted
Links
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920006268 silicone film Polymers 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 1
Description
第１図はこの考案の一実施例である超音波スイ
ツチの平面図、第２図はその縦断面図、第３図は
従来の超音波スイツチの平面図、第４図はその縦
断面図である。
１：超音波振動子、１ａ：整合層、１ｂ：共振
子、１ｃ：金属管、２：センサクツシヨン、３：
センサケース、４：接着剤、５：シリコンスポン
ジ、６：シリコン膜。
Fig. 1 is a plan view of an ultrasonic switch that is an embodiment of this invention, Fig. 2 is a longitudinal sectional view thereof, Fig. 3 is a plan view of a conventional ultrasonic switch, and Fig. 4 is a longitudinal sectional view thereof. be. 1: Ultrasonic transducer, 1a: Matching layer, 1b: Resonator, 1c: Metal tube, 2: Sensor action, 3:
Sensor case, 4: adhesive, 5: silicone sponge, 6: silicone membrane.
Claims (1)
さい円板形状で整合層の裏面側中心部に接着され
る共振子と、前記整合層の外径と同寸法径の円筒
形状で前記共振子を覆い被せるようにして整合層
の裏面側に設けられる金属円筒管とで構成され、
共振子の負電極と金属円筒管と電気的に接続した
超音波振動子を接着剤およびセンサクツシヨンを
介してセンサケースに収納した超音波スイツチに
おいて、前記整合層の外周側面を前記接着剤の上
面位置にて発泡性シリコンスポンジで覆い、さら
にこの発泡性シリコンスポンジの表面位置にシリ
コン膜処理が施されていることを特徴とする超音
波スイツチ。 a disc-shaped matching layer; a disc-shaped resonator smaller than the outer diameter of the matching layer; and a resonator bonded to the center of the back side of the matching layer; It consists of a metal cylindrical tube provided on the back side of the matching layer so as to cover the resonator,
In an ultrasonic switch in which an ultrasonic transducer electrically connected to a negative electrode of a resonator and a metal cylindrical tube is housed in a sensor case via an adhesive and a sensor assembly, the outer circumferential side of the matching layer is coated with the adhesive. An ultrasonic switch characterized in that the top surface is covered with a foamable silicone sponge, and the surface of the foamable silicone sponge is further treated with a silicone film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7872188U JPH0622232Y2 (en) | 1988-06-14 | 1988-06-14 | Ultrasonic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7872188U JPH0622232Y2 (en) | 1988-06-14 | 1988-06-14 | Ultrasonic switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02676U true JPH02676U (en) | 1990-01-05 |
| JPH0622232Y2 JPH0622232Y2 (en) | 1994-06-08 |
Family
ID=31303624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7872188U Expired - Fee Related JPH0622232Y2 (en) | 1988-06-14 | 1988-06-14 | Ultrasonic switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0622232Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009020086A (en) * | 2006-09-22 | 2009-01-29 | Denso Corp | Ultrasonic sensor |
-
1988
- 1988-06-14 JP JP7872188U patent/JPH0622232Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009020086A (en) * | 2006-09-22 | 2009-01-29 | Denso Corp | Ultrasonic sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0622232Y2 (en) | 1994-06-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |