JPS60155222U - bulk wave device - Google Patents
bulk wave deviceInfo
- Publication number
- JPS60155222U JPS60155222U JP4359584U JP4359584U JPS60155222U JP S60155222 U JPS60155222 U JP S60155222U JP 4359584 U JP4359584 U JP 4359584U JP 4359584 U JP4359584 U JP 4359584U JP S60155222 U JPS60155222 U JP S60155222U
- Authority
- JP
- Japan
- Prior art keywords
- thickness direction
- bulk wave
- ceramic
- wave device
- bulk
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、この考案をなす契機となったバルク波装置の
一例としてのセラミックスフィルタを示す斜視図である
。第２図は、第１図に示したセラミンクフィルタの問題
点を説明するための略図的 。
正面図である。第３図は、この考案の一実施例を示す斜
視図である。第４図は、この考案の他の実施例を示す斜
視図である。 −図において、
１１はバルク波装置の一例としてのセラミックフィルタ
、１２はセラミックス、１２ａ、１２ｂはセラミックス
の厚み方向端面、１３ａ・・・１３Ｌ １４ａ・・・
１４ｆは内部電極を構成 ′する電極、１３．１４は
内部電極、１３ａ、１４噛冨＝六；二：、−［′讐：FIG. 1 is a perspective view showing a ceramic filter as an example of the bulk wave device that led to the invention of this invention. FIG. 2 is a schematic diagram for explaining the problems of the ceramic filter shown in FIG. 1. It is a front view. FIG. 3 is a perspective view showing an embodiment of this invention. FIG. 4 is a perspective view showing another embodiment of this invention. - In the figure,
11 is a ceramic filter as an example of a bulk wave device, 12 is a ceramic, 12a, 12b is an end face in the thickness direction of the ceramic, 13a...13L 14a...
14f is an electrode that constitutes an internal electrode, 13.14 is an internal electrode, 13a, 14 = 6; 2:, - ['en:
Claims (1)
分極処理されたセラミックスと、該セラミックス内で厚
み方向に相互に重なり合うように配置された複数個の電
極からなる内部電極とを備え、該セラミックス内で厚み
方向に伝播するバルク波を利用するバルク波装置におい
て、前記内部電極のうち、セラミックスの厚み方向にお
いて最外側に位置する電極が、前記セラミックスの厚み
方向端面に形成されていることを特徴とする、バルク波
装置。The ceramic includes a ceramic at least partially polarized in the thickness direction or perpendicular to the thickness direction, and an internal electrode consisting of a plurality of electrodes arranged to overlap each other in the thickness direction within the ceramic. A bulk wave device that utilizes a bulk wave that propagates in the thickness direction, characterized in that among the internal electrodes, the outermost electrode in the thickness direction of the ceramic is formed on an end face of the ceramic in the thickness direction. A bulk wave device.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4359584U JPS60155222U (en) | 1984-03-26 | 1984-03-26 | bulk wave device |
| US06/645,301 US4564782A (en) | 1983-09-02 | 1984-08-29 | Ceramic filter using multiple thin piezoelectric layers |
| DE3432133A DE3432133A1 (en) | 1983-09-02 | 1984-08-31 | CERAMIC FILTER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4359584U JPS60155222U (en) | 1984-03-26 | 1984-03-26 | bulk wave device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60155222U true JPS60155222U (en) | 1985-10-16 |
| JPH0323701Y2 JPH0323701Y2 (en) | 1991-05-23 |
Family
ID=30555406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4359584U Granted JPS60155222U (en) | 1983-09-02 | 1984-03-26 | bulk wave device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60155222U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087716A (en) * | 1975-09-22 | 1978-05-02 | Siemens Aktiengesellschaft | Multi-layer element consisting of piezoelectric ceramic laminations and method of making same |
-
1984
- 1984-03-26 JP JP4359584U patent/JPS60155222U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087716A (en) * | 1975-09-22 | 1978-05-02 | Siemens Aktiengesellschaft | Multi-layer element consisting of piezoelectric ceramic laminations and method of making same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323701Y2 (en) | 1991-05-23 |
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