JPS63117113U - - Google Patents
Info
- Publication number
- JPS63117113U JPS63117113U JP601687U JP601687U JPS63117113U JP S63117113 U JPS63117113 U JP S63117113U JP 601687 U JP601687 U JP 601687U JP 601687 U JP601687 U JP 601687U JP S63117113 U JPS63117113 U JP S63117113U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric substrate
- piezoelectric
- organic resin
- signal wiring
- acoustic wave
- 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 7
- 238000010897 surface acoustic wave method Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図はこの考案の一実施例に係る弾性表面波
フイルタを示す斜視図、第２図はこの考案の弾性
表面波フイルタで用いる圧電基板の集合体である
圧電基板集合体を示す平面図、第３図ａ〜ｆはこ
の考案の弾性表面波フイルタの製造工程を示す断
面図、第４図は従来及びこの考案の弾性表面波フ
イルタにおける周波数と相対レベルとの関係を示
す特性曲線図である。
１……基台、２……入力電極、３……出力電極
、４……圧電基板、５……リード端子、６……ボ
ンデイング線、８……有機樹脂、９……溝。
FIG. 1 is a perspective view showing a surface acoustic wave filter according to an embodiment of this invention, and FIG. 2 is a plan view showing a piezoelectric substrate assembly that is an assembly of piezoelectric substrates used in the surface acoustic wave filter of this invention. Figures 3a to 3f are cross-sectional views showing the manufacturing process of the surface acoustic wave filter of this invention, and Figure 4 is a characteristic curve diagram showing the relationship between frequency and relative level in the conventional surface acoustic wave filter and the surface acoustic wave filter of this invention. . DESCRIPTION OF SYMBOLS 1... Base, 2... Input electrode, 3... Output electrode, 4... Piezoelectric substrate, 5... Lead terminal, 6... Bonding wire, 8... Organic resin, 9... Groove.
Claims (1)
と、この圧電基板上に対峙して夫々櫛歯状に形成
された入力電極及び出力電極と、上記圧電基板上
に形成された上記各電極から引出された信号用配
線と、上記基台に貫通植設され上記信号用配線に
ボンデイング線を介して接続されているリード端
子とを、少なくとも具備してなる弾性表面波フイ
ルタにおいて、 上記圧電基板の裏面に有機樹脂がメツシユ状に
被覆され、更にこの有機樹脂が存在しない部分に
溝が形成されてなることを特徴とする弾性表面波
フイルタ。[Claims for Utility Model Registration] A piezoelectric substrate fixed on a base constituting an envelope, an input electrode and an output electrode formed in a comb-like shape facing each other on this piezoelectric substrate, and the piezoelectric It comprises at least signal wiring drawn out from each of the electrodes formed on the substrate, and a lead terminal that is implanted through the base and connected to the signal wiring via a bonding wire. A surface acoustic wave filter, characterized in that the back surface of the piezoelectric substrate is coated with an organic resin in the form of a mesh, and grooves are formed in areas where the organic resin is not present.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP601687U JPS63117113U (en) | 1987-01-21 | 1987-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP601687U JPS63117113U (en) | 1987-01-21 | 1987-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63117113U true JPS63117113U (en) | 1988-07-28 |
Family
ID=30788134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP601687U Pending JPS63117113U (en) | 1987-01-21 | 1987-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63117113U (en) |
-
1987
- 1987-01-21 JP JP601687U patent/JPS63117113U/ja active Pending
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