JPH02116126U - - Google Patents
Info
- Publication number
- JPH02116126U JPH02116126U JP2414789U JP2414789U JPH02116126U JP H02116126 U JPH02116126 U JP H02116126U JP 2414789 U JP2414789 U JP 2414789U JP 2414789 U JP2414789 U JP 2414789U JP H02116126 U JPH02116126 U JP H02116126U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- substrate
- thermal expansion
- member used
- coefficient
- 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
- 239000000758 substrate Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図は本考案の一実施例の圧電共振子の斜視
図。 １……圧電共振子、２……圧電基板、２ａ，２
ｂ，２ｃ……電極、３……保護基板、４……接着
層、５……外部電極。
図。 １……圧電共振子、２……圧電基板、２ａ，２
ｂ，２ｃ……電極、３……保護基板、４……接着
層、５……外部電極。
Claims (1)
- 【実用新案登録請求の範囲】 圧電基板の少なくとも一方主表面に接着層を介
在して絶縁体よりなる保護基板を設けた圧電共振
子において、 上記保護基板に用いる部材の熱膨張係数と上記
圧電基板に用いる部材の熱膨係数との差を１０×
１０−６／℃以内となるように相互の部材を組合
せた圧電共振子。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2414789U JPH02116126U (ja) | 1989-03-02 | 1989-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2414789U JPH02116126U (ja) | 1989-03-02 | 1989-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116126U true JPH02116126U (ja) | 1990-09-18 |
Family
ID=31243745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2414789U Pending JPH02116126U (ja) | 1989-03-02 | 1989-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116126U (ja) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523673A (en) * | 1978-08-09 | 1980-02-20 | Matsushima Kogyo Co Ltd | Manufacture for crystal oscillator |
| JPS5977715A (ja) * | 1982-10-26 | 1984-05-04 | Murata Mfg Co Ltd | チツプ状圧電振動部品 |
| JPS6237438B2 (ja) * | 1978-12-28 | 1987-08-12 | Fuji Electric Co Ltd | |
| JPH02125510A (ja) * | 1988-11-04 | 1990-05-14 | Fujitsu Ltd | 圧電素子 |
-
1989
- 1989-03-02 JP JP2414789U patent/JPH02116126U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523673A (en) * | 1978-08-09 | 1980-02-20 | Matsushima Kogyo Co Ltd | Manufacture for crystal oscillator |
| JPS6237438B2 (ja) * | 1978-12-28 | 1987-08-12 | Fuji Electric Co Ltd | |
| JPS5977715A (ja) * | 1982-10-26 | 1984-05-04 | Murata Mfg Co Ltd | チツプ状圧電振動部品 |
| JPH02125510A (ja) * | 1988-11-04 | 1990-05-14 | Fujitsu Ltd | 圧電素子 |