JPH028126U - - Google Patents
Info
- Publication number
- JPH028126U JPH028126U JP8520588U JP8520588U JPH028126U JP H028126 U JPH028126 U JP H028126U JP 8520588 U JP8520588 U JP 8520588U JP 8520588 U JP8520588 U JP 8520588U JP H028126 U JPH028126 U JP H028126U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric material
- laminate
- variable capacitance
- dielectric
- capacitance element
- 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
- 239000000463 material Substances 0.000 claims description 3
- 239000003989 dielectric material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
第１図は本考案の一実施例（最小単位構成）と
しての可変容量素子を示す構成図、第２図はその
等価回路図、第３図は第１図の可変容量素子複数
個を積層構造として示す斜視図、第４図は第３図
の断面図、第５図はその場合における１組の可変
容量素子の電極形成を示す図、第６図はその分解
斜視図、第７図は本考案の他の実施例を示す断面
図、第８図はその場合の１組の等価回路図、第９
図は従来の可変容量素子を示す断面図である。
１……圧電体セラミツク（圧電体）、２１……
第１の誘電体、２２……第２の誘電体、３１，３
２，３３，３４……第１，２，３，４の電極。
Figure 1 is a configuration diagram showing a variable capacitance element as an embodiment (minimum unit configuration) of the present invention, Figure 2 is its equivalent circuit diagram, and Figure 3 is a stacked structure of multiple variable capacitance elements of Figure 1. 4 is a sectional view of FIG. 3, FIG. 5 is a diagram showing the electrode formation of a set of variable capacitance elements in that case, FIG. 6 is an exploded perspective view thereof, and FIG. 7 is a cross-sectional view of FIG. A sectional view showing another embodiment of the invention, FIG. 8 is a set of equivalent circuit diagrams in that case, and FIG. 9 is a sectional view showing another embodiment of the invention.
The figure is a sectional view showing a conventional variable capacitance element. 1...Piezoelectric ceramic (piezoelectric material), 21...
First dielectric, 22...Second dielectric, 31,3
2, 33, 34...first, second, third, fourth electrodes.
Claims (1)
体を１組として少なくとも１組以上が積層された
積層体の積層方向両側表面及び各圧電体、誘電体
の境界面には電極が形成されると共に、該積層体
全体が収納ケース内に収納されて、両端面間が一
定間隔に拘束されていることを特徴とする可変容
量素子。 Electrodes are formed on both surfaces in the stacking direction of a laminate in which at least one set of one piezoelectric material and two or more types of dielectric materials having different elasticities are laminated, and on the interface between each piezoelectric material and the dielectric material. A variable capacitance element characterized in that the entire laminate is housed in a storage case, and both end faces are constrained at a constant interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8520588U JPH028126U (en) | 1988-06-28 | 1988-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8520588U JPH028126U (en) | 1988-06-28 | 1988-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH028126U true JPH028126U (en) | 1990-01-19 |
Family
ID=31309878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8520588U Pending JPH028126U (en) | 1988-06-28 | 1988-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028126U (en) |
-
1988
- 1988-06-28 JP JP8520588U patent/JPH028126U/ja active Pending
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