JPS62146316U - - Google Patents

Description

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

第１図は本考案に係る回路素子の一実施例の縦
断面図、第２図は第１図の回路素子の第１および
第２のリード端子の支持部および第３のリード端
子の位置決め部の詳細を示す斜視図、第３図は発
振回路の回路図、第４図は第３図の発振回路に使
用される発振回路素子の回路図、第５図は従来の
発振回路素子の縦断面図、第６図は第５図の発振
回路素子の問題点を説明するための説明図、第７
図は圧電共振ユニツトの斜視図、第８図はコンデ
ンサユニツトの斜視図である。 ３……圧電共振子ユニツト、４……コンデンサ
ユニツト、８，９……電極、８ａ，９ａ……引出
電極部、１２……共通電極、１３，１４……対向
電極、２１……第１リード端子、２１ａ……支持
部、２１ａ_１，２１ａ_２……分岐片、２２……第
２リード端子、２２ａ……支持部、２２ａ_１，２
２ａ_２……分岐片、２３……第３リード端子、２
３ａ……位置決め部。 FIG. 1 is a longitudinal cross-sectional view of an embodiment of a circuit element according to the present invention, and FIG. 2 is a support part for the first and second lead terminals and a positioning part for the third lead terminal of the circuit element shown in FIG. FIG. 3 is a circuit diagram of the oscillation circuit, FIG. 4 is a circuit diagram of an oscillation circuit element used in the oscillation circuit of FIG. 3, and FIG. 5 is a longitudinal section of a conventional oscillation circuit element. 6 is an explanatory diagram for explaining the problem of the oscillation circuit element in FIG. 5, and FIG.
The figure is a perspective view of a piezoelectric resonant unit, and FIG. 8 is a perspective view of a capacitor unit. 3... Piezoelectric resonator unit, 4... Capacitor unit, 8, 9... Electrode, 8a, 9a... Leading electrode section, 12... Common electrode, 13, 14... Counter electrode, 21... First lead Terminal, 21a... Support part, 21a ₁ , 21a ₂ ... Branch piece, 22... Second lead terminal, 22a... Support part, 22a ₁ , 2
2a ₂ ... Branch piece, 23... Third lead terminal, 2
3a...Positioning section.

Claims (1)

【実用新案登録請求の範囲】 圧電基板の中央部にて対向するとともに互いに
この圧電基板の反対側の端部に引き出されてなる
電極を有する圧電共振ユニツトと、誘電体板の一
つの主面に共通電極が、いま一つの主面にこの共
通電極に対向する一対の対向電極が夫々形成され
てなるコンデンサユニツトとが第１および第２の
リード端子間にほぼ平行に配置され、上記圧電共
振ユニツトの引出電極部およびコンデンサユニツ
トの対向電極が上記第１および第２のリード端子
に導通するとともに、上記コンデンサユニツトの
共通電極が上記第１および第２のリード端子の間
に配置された第３のリード端子に導通してなる回
路素子であつて、 上記第１および第２のリード端子はその圧電共
振ユニツトの各電極の引出電極部との導通部分が
上記第１および第２のリード端子の長手方向に切
り込まれ、この切込みにより形成される分岐片が
上記圧電共振ユニツトの両端部において上記圧電
基板の両主表面に分岐し、上記圧電共振ユニツト
をその両端部で支持する支持部となつており、第
３のリード端子はその上記コンデンサユニツトの
共通電極との導通部分が上記誘電体板の厚み方向
に折曲された後に上記誘電体板の主面に沿つて折
曲され、この折曲部分が上記コンデンサユニツト
の位置を規定する位置決め部となつていることを
特徴とする回路素子。[Claims for Utility Model Registration] A piezoelectric resonant unit having electrodes that face each other in the center of a piezoelectric substrate and are drawn out to opposite ends of the piezoelectric substrate, and A capacitor unit including a common electrode and a pair of opposing electrodes formed on another main surface thereof, each facing the common electrode, is arranged substantially parallel between the first and second lead terminals, and the piezoelectric resonator unit The lead electrode part of the capacitor unit and the opposing electrode of the capacitor unit are electrically connected to the first and second lead terminals, and the common electrode of the capacitor unit is electrically connected to the third lead terminal disposed between the first and second lead terminals. A circuit element electrically connected to lead terminals, wherein the first and second lead terminals are electrically connected to the extraction electrode portion of each electrode of the piezoelectric resonant unit along the longitudinal direction of the first and second lead terminals. branch pieces formed by the cuts branch to both main surfaces of the piezoelectric substrate at both ends of the piezoelectric resonant unit, and serve as supporting parts that support the piezoelectric resonator unit at both ends thereof. The third lead terminal is bent in the thickness direction of the dielectric plate, and then bent along the main surface of the dielectric plate, so that the third lead terminal is bent in the thickness direction of the dielectric plate, and the third lead terminal is bent along the main surface of the dielectric plate. A circuit element characterized in that the portion serves as a positioning portion that defines the position of the capacitor unit.