JPH03117858U - - Google Patents
Info
- Publication number
- JPH03117858U JPH03117858U JP2668890U JP2668890U JPH03117858U JP H03117858 U JPH03117858 U JP H03117858U JP 2668890 U JP2668890 U JP 2668890U JP 2668890 U JP2668890 U JP 2668890U JP H03117858 U JPH03117858 U JP H03117858U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- end surface
- internal
- external electrode
- electrode plate
- 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
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案の一実施例である積層セラミツ
ク圧電素子の斜視図、第２図ａ，ｂ，ｃ，ｄは外
部電極リード端子を備えた金属製の電極板の例を
示す斜視図、第３図は従来の積層セラミツク圧電
素子の構造を示す斜視図である。
１……均一層、２……不均一層、３……保護層
、４……内部電極、５……ガラス絶縁膜、６……
外部電極、７……リード線、８……はんだ、９…
…電極板、１０……外部電極リード端子、１１…
…絶縁板、１２……接着層、１３……孔。
FIG. 1 is a perspective view of a laminated ceramic piezoelectric element which is an embodiment of the present invention, and FIGS. 2a, b, c, and d are perspective views showing examples of metal electrode plates equipped with external electrode lead terminals. FIG. 3 is a perspective view showing the structure of a conventional laminated ceramic piezoelectric element. DESCRIPTION OF SYMBOLS 1... Uniform layer, 2... Heterogeneous layer, 3... Protective layer, 4... Internal electrode, 5... Glass insulating film, 6...
External electrode, 7...Lead wire, 8...Solder, 9...
...Electrode plate, 10...External electrode lead terminal, 11...
...insulating plate, 12...adhesive layer, 13...hole.
Claims (1)
部電極とが交互に複数枚重ね合わされ、その対向
する一対の側面にそれぞれ露出する内部電極の一
方の端面に一層おきにガラス絶縁がほどこされ、
該ガラス絶縁膜を介して、内部電極の露出する他
方の端面が電気的に接続されて二つのくし歯形電
極が構成され、これを外部電極とする積層セラミ
ツク圧電素子において、 圧電セラミツク部材と内部電極とから構成され
る積層体の上下の圧電セラミツク部材と面接触す
るように外部電極リード端子を備えた金属製の電
極板が接着剤で固定され、該電極板の一端面が前
記外部電極と電気的に接続されて、当該電極板を
含めて二つのくし歯形電極が構成されていること
を特徴とする積層セラミツク圧電素子。[Claims for Utility Model Registration] A plurality of sheet-like piezoelectric ceramic members and internal electrodes of the same shape are stacked alternately, and a glass layer is placed on one end surface of each of the internal electrodes exposed on a pair of opposing sides. Insulated,
In a laminated ceramic piezoelectric element in which the other exposed end surface of the internal electrode is electrically connected through the glass insulating film to form two comb-shaped electrodes as an external electrode, the piezoelectric ceramic member and the internal electrode are connected. A metal electrode plate with external electrode lead terminals is fixed with adhesive so as to be in surface contact with the piezoelectric ceramic members on the upper and lower sides of the laminate, and one end surface of the electrode plate is in electrical contact with the external electrode. 1. A laminated ceramic piezoelectric element characterized in that two comb-shaped electrodes including the electrode plate are connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2668890U JPH03117858U (en) | 1990-03-15 | 1990-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2668890U JPH03117858U (en) | 1990-03-15 | 1990-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03117858U true JPH03117858U (en) | 1991-12-05 |
Family
ID=31529569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2668890U Pending JPH03117858U (en) | 1990-03-15 | 1990-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03117858U (en) |
-
1990
- 1990-03-15 JP JP2668890U patent/JPH03117858U/ja active Pending
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