JPH03120119U - - Google Patents
Info
- Publication number
- JPH03120119U JPH03120119U JP2862290U JP2862290U JPH03120119U JP H03120119 U JPH03120119 U JP H03120119U JP 2862290 U JP2862290 U JP 2862290U JP 2862290 U JP2862290 U JP 2862290U JP H03120119 U JPH03120119 U JP H03120119U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- main surface
- terminal electrode
- electronic component
- piezoelectric substrate
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図は本考案を圧電共振子に適用した場合を
示す分解斜視図、第２図はその圧電共振子の正面
断面図、第３図は本考案の要部たるダミー電極の
形成の変形例を示す部分断面図、第４図は本考案
を他の構成の圧電共振子に適用した場合を示す断
面図、第５図及び第６図はダミー電極の形成例を
示す平面図、第７図は従来の圧電共振子を示す分
解斜視図、第８図はその圧電共振子の外観斜視図
、第９図はその端子電極部分を示す正面断面図、
第１０図は端子電極に剥離が生じた状態を示す断
面図である。
１……圧電共振子本体、２……圧電基板、３，
４……共振電極、５，６……ダミー電極、７，８
，１７，１８……絶縁基板、７ａ〜７ｄ，８ａ〜
８ｄ，１７ａ〜１７ｄ，１８ａ，１８ｂ……ダミ
ー電極、９，１０，１９，２０……端子電極。
Fig. 1 is an exploded perspective view showing the case where the present invention is applied to a piezoelectric resonator, Fig. 2 is a front cross-sectional view of the piezoelectric resonator, and Fig. 3 is a modification of the formation of the dummy electrode, which is the main part of the present invention. FIG. 4 is a cross-sectional view showing the case where the present invention is applied to a piezoelectric resonator with another configuration, FIGS. 5 and 6 are plan views showing an example of forming a dummy electrode, and FIG. 8 is an exploded perspective view showing a conventional piezoelectric resonator, FIG. 8 is an external perspective view of the piezoelectric resonator, and FIG. 9 is a front sectional view showing the terminal electrode portion.
FIG. 10 is a cross-sectional view showing a state in which peeling has occurred in the terminal electrode. 1...Piezoelectric resonator body, 2...Piezoelectric substrate, 3,
4... Resonance electrode, 5, 6... Dummy electrode, 7, 8
, 17, 18...Insulating substrate, 7a-7d, 8a-
8d, 17a to 17d, 18a, 18b... dummy electrode, 9, 10, 19, 20... terminal electrode.
Claims (1)
圧電基板の主表面に対向して積層された絶縁基板
とを有し、該絶縁基板の端面にわたり、かつ複数
箇所に形成した端子電極に、前記共振電極が電気
的に接続された電子部品において、 各端子電極毎に、前記絶縁基板の片方及び／又
は両方における主表面のうち少なくとも一方の縁
部に、該当する端子電極と密接させてダミー電極
が形成されていることを特徴とする電子部品。[Claims for Utility Model Registration] It has a piezoelectric substrate on which a resonant electrode is formed on its main surface, and an insulating substrate stacked opposite to the main surface of the piezoelectric substrate. In an electronic component in which the resonant electrode is electrically connected to a terminal electrode formed at a location, for each terminal electrode, at least one edge of the main surface of one and/or both of the insulating substrates is provided with a corresponding An electronic component characterized in that a dummy electrode is formed in close contact with a terminal electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028622U JP2580468Y2 (en) | 1990-03-19 | 1990-03-19 | Electronic components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028622U JP2580468Y2 (en) | 1990-03-19 | 1990-03-19 | Electronic components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03120119U true JPH03120119U (en) | 1991-12-10 |
| JP2580468Y2 JP2580468Y2 (en) | 1998-09-10 |
Family
ID=31531417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990028622U Expired - Lifetime JP2580468Y2 (en) | 1990-03-19 | 1990-03-19 | Electronic components |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2580468Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011176787A (en) * | 2010-02-01 | 2011-09-08 | Nippon Dempa Kogyo Co Ltd | Piezoelectric device and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858716A (en) * | 1981-10-05 | 1983-04-07 | 日本電気ホームエレクトロニクス株式会社 | Laminated ceramic condenser |
| JPS59127330U (en) * | 1983-02-14 | 1984-08-27 | 株式会社村田製作所 | Sealed structure of piezoelectric vibrating parts |
| JPS61136630U (en) * | 1985-02-12 | 1986-08-25 | ||
| JPS6429917U (en) * | 1987-08-13 | 1989-02-22 | ||
| JPS6452313U (en) * | 1987-09-25 | 1989-03-31 | ||
| JPH01105217U (en) * | 1988-01-06 | 1989-07-14 |
-
1990
- 1990-03-19 JP JP1990028622U patent/JP2580468Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858716A (en) * | 1981-10-05 | 1983-04-07 | 日本電気ホームエレクトロニクス株式会社 | Laminated ceramic condenser |
| JPS59127330U (en) * | 1983-02-14 | 1984-08-27 | 株式会社村田製作所 | Sealed structure of piezoelectric vibrating parts |
| JPS61136630U (en) * | 1985-02-12 | 1986-08-25 | ||
| JPS6429917U (en) * | 1987-08-13 | 1989-02-22 | ||
| JPS6452313U (en) * | 1987-09-25 | 1989-03-31 | ||
| JPH01105217U (en) * | 1988-01-06 | 1989-07-14 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011176787A (en) * | 2010-02-01 | 2011-09-08 | Nippon Dempa Kogyo Co Ltd | Piezoelectric device and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2580468Y2 (en) | 1998-09-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |