JPH028026U

JPH028026U -

Info

Publication number: JPH028026U
Application number: JP8332088U
Authority: JP
Priority date: 1988-06-23
Filing date: 1988-06-23
Publication date: 1990-01-18

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例を示す要部斜視図
である。第２図は第１図の縦断面図である。第３
図は第１図の底面図である。第４図は誘電率をパ
ラメータとしたギヤツプ寸法対静電容量のグラフ
である。第５図はこの考案の好ましい実施例を示
す斜視図である。第６図は第５図の縦断面図であ
る。第７図は第５図実施例の等価回路図である。
第８図および第９図はそれぞれ電極対向距離を長
くしたこの考案の他の実施例を示す底面図である
。第１０図は電極材料を少なくする両端の電極の
変形例を示す底面図である。第１１図はギヤツプ
に外被を形成したこの考案のその他の実施例を示
す底面図である。図において、１０はコンデンサ内蔵形電子部品
、１０′はコンデンサ内蔵形チツプ発振子、１２
は角筒形外装ケース、１４，１６はギヤツプ、１
８，２０，２２は電極、２４は圧電共振子、２６
，２８は金属キヤツプ、３０，３２は誘電ペース
トを示す。 FIG. 1 is a perspective view of essential parts showing an embodiment of this invention. FIG. 2 is a longitudinal sectional view of FIG. 1. Third
The figure is a bottom view of FIG. 1. FIG. 4 is a graph of gap size versus capacitance using dielectric constant as a parameter. FIG. 5 is a perspective view showing a preferred embodiment of this invention. FIG. 6 is a longitudinal sectional view of FIG. 5. FIG. 7 is an equivalent circuit diagram of the embodiment shown in FIG.
FIGS. 8 and 9 are bottom views showing other embodiments of this invention in which the distance between electrodes is increased. FIG. 10 is a bottom view showing a modification of the electrodes at both ends in which the amount of electrode material is reduced. FIG. 11 is a bottom view showing another embodiment of this invention in which a jacket is formed on the gap. In the figure, 10 is an electronic component with a built-in capacitor, 10' is a chip resonator with a built-in capacitor, and 12
is a rectangular cylindrical outer case, 14 and 16 are gap, 1
8, 20, 22 are electrodes, 24 is a piezoelectric resonator, 26
, 28 are metal caps, and 30, 32 are dielectric pastes.

Claims

[Claims for Utility Model Registration] An element, a prismatic cylindrical exterior case that houses the element and has a predetermined dielectric constant, and a predetermined gap spaced from the outer surface of the prismatic cylindrical exterior case in its length direction. An electronic component with a built-in capacitor, comprising at least two capacitor electrodes.