JPS58186622U - Piezoelectric ceramic “ro” wave device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は来者案圧電磁器沖波器の斜視図、第２図は圧電
素子の平面図イと裏面図口、第３図は本考案に用いられ
る電極板の斜視図、第４図は従来例を示す平面図。 ｌａ、　　ｌｂ・・・外部信号用電極、５・・・圧電素
子、？−７−ス電極、８・・・電極板、ｇａ、　　ｇｂ
、　　９ｃ。 ９ｄ−・・電極、ｉ　０ａ、　　１０ｂ、　　１０ｃ、
　　１０ｄ・・−はんだ又は導電性接着剤。Figure 1 is a perspective view of a piezoelectric ceramic wave device designed for visitors, Figure 2 is a top view and back view of a piezoelectric element, Figure 3 is a perspective view of an electrode plate used in the present invention, and Figure 4 is a conventional A plan view showing an example. la, lb...external signal electrode, 5...piezoelectric element, ? -7- electrode, 8... electrode plate, ga, gb
, 9c. 9d--electrode, i 0a, 10b, 10c,
10d...-Solder or conductive adhesive.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧電磁器の厚すべり振動を利用し、圧電磁器角板にスリ
ットを設けたコ字状の圧電磁器板上に、相対する４つめ
電極を有することにした圧電素子を設け、この圧電素子
と同一形状で前記圧電素子の厚みより厚くして４隅に電
極を形成した電極板を設け、前記圧電素子上の外部信号
用電極と裏面・　に設けたアース電極とを前記電極板の
４隅の電極とはんだ又は導電性接着剤で接着し、前記圧
電素子と電極板とを接続した圧電磁器角板器。Utilizing the thickness shear vibration of piezoelectric ceramics, a piezoelectric element having a fourth opposing electrode is placed on a U-shaped piezoelectric ceramic plate with slits in the piezoelectric ceramic square plate, and the piezoelectric element has the same shape as this piezoelectric element. An electrode plate is provided which is thicker than the thickness of the piezoelectric element and has electrodes formed at the four corners, and an external signal electrode on the piezoelectric element and a ground electrode provided on the back surface are connected to the four corner electrodes of the electrode plate. A piezoelectric ceramic square plate in which the piezoelectric element and the electrode plate are connected by bonding with solder or conductive adhesive.