JPH0332897U - - Google Patents
Info
- Publication number
- JPH0332897U JPH0332897U JP9075489U JP9075489U JPH0332897U JP H0332897 U JPH0332897 U JP H0332897U JP 9075489 U JP9075489 U JP 9075489U JP 9075489 U JP9075489 U JP 9075489U JP H0332897 U JPH0332897 U JP H0332897U
- Authority
- JP
- Japan
- Prior art keywords
- main surface
- piezoelectric
- ceramic plate
- substrate
- piezoelectric ceramic
- 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
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 3
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案の一実施例による圧電素子の断
面正面図、第２図はその平面図、第３図は前記圧
電素子の遮熱層の拡大断面図である。
１……圧電素子、２……振動板、３……圧電磁
器板、４……遮熱層。
FIG. 1 is a sectional front view of a piezoelectric element according to an embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is an enlarged sectional view of a heat shielding layer of the piezoelectric element. 1... Piezoelectric element, 2... Vibration plate, 3... Piezoelectric ceramic plate, 4... Heat shielding layer.
Claims (1)
圧電型電気音響変換器であつて、 外周部に基板上に接続されるリード端子を有す
る振動板と、 前記振動板の基板載置側の第１主面に貼付され
た圧電磁器板と、 前記振動板の第１主面と逆側の第２主面に設け
られ、第２主面方向からの熱が前記圧電磁器板に
伝達されるのを防止する遮熱層と、 を備えた圧電型電気音響変換器。[Claims for Utility Model Registration] A piezoelectric electroacoustic transducer mounted on a substrate with a piezoelectric element exposed, comprising: a diaphragm having lead terminals connected to the substrate on the outer periphery; A piezoelectric ceramic plate is attached to a first main surface of the plate on the substrate mounting side, and a second main surface of the diaphragm is provided on the opposite side to the first main surface, and heat from the direction of the second main surface is applied to the piezoelectric ceramic plate. A piezoelectric electroacoustic transducer comprising: a heat shielding layer that prevents heat from being transmitted to a piezoelectric ceramic plate;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9075489U JPH0332897U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9075489U JPH0332897U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0332897U true JPH0332897U (en) | 1991-03-29 |
Family
ID=31640266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9075489U Pending JPH0332897U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332897U (en) |
-
1989
- 1989-07-31 JP JP9075489U patent/JPH0332897U/ja active Pending
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