JPH02108434U - - Google Patents
Info
- Publication number
- JPH02108434U JPH02108434U JP1657589U JP1657589U JPH02108434U JP H02108434 U JPH02108434 U JP H02108434U JP 1657589 U JP1657589 U JP 1657589U JP 1657589 U JP1657589 U JP 1657589U JP H02108434 U JPH02108434 U JP H02108434U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- peripheral edge
- crystal resonator
- extraction electrode
- specific gravity
- 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
- 239000013078 crystal Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 3
- 230000005484 gravity Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図ａ，ｂはこの考案の一実施例を示す平面
図およびｂ−ｂ断面図、第２図は斜視図、第３図
は要部側面図である。
１，４……電極、２……水晶発振子、３……引
出電極、４ａ……欠落部。
Figures 1a and 1b are a plan view and a sectional view taken along line bb, showing an embodiment of this invention, Figure 2 is a perspective view, and Figure 3 is a side view of the main parts. 1, 4...electrode, 2...crystal oscillator, 3...extraction electrode, 4a...missing part.
Claims (1)
動を持続する障害にならない状態で水晶振動子振
動面の中央付近に取り付けることによつて構成し
た第１の電極と、 その電極から水晶振動子の周縁部まで延在する
引出電極と、 この引出電極の一部に重なつた状態で水晶振動
子の周縁部に取り付けられ、周縁部の一部に欠落
部を有する、第１の金属よりも比重が十分に大き
く、かつ導電性の良好な第２の電極とを備えたオ
ーバートーン用水晶振動子。[Claims for Utility Model Registration] A first electrode constructed by attaching a first metal with a small specific gravity near the center of the vibrating surface of a crystal resonator in such a manner that it does not become an obstacle to sustaining the vibration at the cutoff frequency f1. , an extraction electrode that extends from the electrode to the peripheral edge of the crystal resonator, and an extraction electrode that is attached to the peripheral edge of the crystal resonator while partially overlapping the extraction electrode, and has a missing part in a part of the peripheral edge. and a second electrode having a sufficiently larger specific gravity than the first metal and having good conductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1657589U JPH02108434U (en) | 1989-02-15 | 1989-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1657589U JPH02108434U (en) | 1989-02-15 | 1989-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02108434U true JPH02108434U (en) | 1990-08-29 |
Family
ID=31229629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1657589U Pending JPH02108434U (en) | 1989-02-15 | 1989-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02108434U (en) |
-
1989
- 1989-02-15 JP JP1657589U patent/JPH02108434U/ja active Pending
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