JPS62193322U

JPS62193322U -

Info

Publication number: JPS62193322U
Application number: JP8170086U
Authority: JP
Priority date: 1986-05-29
Filing date: 1986-05-29
Publication date: 1987-12-09

Description

[Brief explanation of the drawing]

第１図は、本考案の一実施例としてのコンデン
サ内蔵型振動子を概略的に斜視図、第２図は、第
１図のコンデンサ内蔵型振動子を発振回路に組み
込んで発振周波数を測定しながらその調整を行う
一例を示し概略図、第３図は、本考案の別の実施
例を示す概略部分図、第４図は、本考案の更に別
の実施例を示す概略部分図、第５図は、従来のコ
ンデンサ内蔵型振動子の一例を示す概略斜視図で
ある。１０……圧電基体、１１，１２……圧電基体の
表面、１３，１４……振動電極、１５，１６……
コンデンサ電極、１５Ａ，１５Ｂ，１５Ｃ……電
極部分、１６Ａ，１６Ｂ，１６Ｃ……電極部分、
１７……共通コンデンサ電極、１８，１９，２０
……接続端子、２１……共通接続端子、２２，２
４，２５……導電体部、２３，２６……導電体部
、ＮＰ……狭路電極部分。 FIG. 1 is a schematic perspective view of a vibrator with a built-in capacitor as an embodiment of the present invention, and FIG. 2 is a schematic perspective view of a vibrator with a built-in capacitor shown in FIG. 1 incorporated into an oscillation circuit to measure the oscillation frequency. FIG. 3 is a schematic partial diagram showing another embodiment of the present invention; FIG. 4 is a schematic partial diagram showing still another embodiment of the present invention; The figure is a schematic perspective view showing an example of a conventional capacitor built-in vibrator. 10... Piezoelectric base, 11, 12... Surface of piezoelectric base, 13, 14... Vibrating electrode, 15, 16...
Capacitor electrode, 15A, 15B, 15C... electrode part, 16A, 16B, 16C... electrode part,
17... Common capacitor electrode, 18, 19, 20
... Connection terminal, 21 ... Common connection terminal, 22,2
4, 25...Conductor portion, 23, 26...Conductor portion, NP...Narrow path electrode portion.

Claims

[Claims for Utility Model Registration] (1) A piezoelectric substrate having a polarized portion and a non-polarized portion, and a piezoelectric substrate formed on a surface opposite to the polarized portion of the piezoelectric substrate to constitute a vibrator. a pair of vibrating electrodes, one or more pairs of capacitor electrodes formed on opposing surfaces of the non-polarized portion and constituting a capacitor, at least one pair of connection terminals formed on the surface of the piezoelectric base, the vibrating electrodes and a conductor portion connecting each of the capacitor electrodes to each of the corresponding connection terminals, at least one of the capacitor electrodes:
A vibrator with a built-in capacitor, characterized in that it has electrode parts that can be separated or connected to each other. (2) The capacitor built-in vibrator according to claim 1, wherein the capacitor electrode portions are connected to each other via a narrow path electrode portion. (3) The capacitor built-in vibrator according to claim (1), wherein the capacitor electrode portions are separated from each other by a narrow space. (4) Claim No. (1) of the utility model registration in which the capacitor electrode portions are all of the same size.
A vibrator with a built-in capacitor as described in paragraph (2) or (3). (5) The capacitor electrode portions are of different sizes from each other.
A vibrator with a built-in capacitor described in paragraph (2) or (3).