JPH0310625U - - Google Patents
Info
- Publication number
- JPH0310625U JPH0310625U JP7016889U JP7016889U JPH0310625U JP H0310625 U JPH0310625 U JP H0310625U JP 7016889 U JP7016889 U JP 7016889U JP 7016889 U JP7016889 U JP 7016889U JP H0310625 U JPH0310625 U JP H0310625U
- Authority
- JP
- Japan
- Prior art keywords
- input
- electrode portion
- piezoelectric
- output
- output terminal
- 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
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
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を示す分解斜視図、
第2図は第1図に示す圧電部品の概略斜視図、第
3図Aは上記構造の圧電フイルタの温度20℃に
おけるトラツプ特性を示す図、第3図Bは温度2
0℃における共振周波数F0の温度依存性を示す
図、第4図は、本考案の他の実施例を示す分解斜
視図であり、第5図はエネルギー閉込め型厚みす
べり振動モードを利用した従来の圧電フイルタを
示す概略斜視図である。
1……圧電共振子、2……圧電基板、3a,3
b……共振電極部、4a,4b……入出力電極部
、7a,7b……入出力端子、9……保護プレー
ト、13……外装樹脂層。
FIG. 1 is an exploded perspective view showing an embodiment of the present invention;
Figure 2 is a schematic perspective view of the piezoelectric component shown in Figure 1, Figure 3A is a diagram showing the trap characteristics of the piezoelectric filter having the above structure at a temperature of 20°C, and Figure 3B is a diagram showing the trap characteristics at a temperature of 20°C.
FIG. 4 is an exploded perspective view showing another embodiment of the present invention, and FIG. 5 is a diagram showing the temperature dependence of the resonance frequency F0 at 0°C. FIG. 2 is a schematic perspective view showing a piezoelectric filter of FIG. 1... Piezoelectric resonator, 2... Piezoelectric substrate, 3a, 3
b... Resonance electrode part, 4a, 4b... Input/output electrode part, 7a, 7b... Input/output terminal, 9... Protection plate, 13... Exterior resin layer.
Claims (1)
力電極部とが圧電基板に形成されていると共に、
上記入出力電極に入出力端子が接続され、かつ外
装樹脂で外装された圧電部品であつて、上記共振
電極部とクリアランスをもつて、保護プレートが
上記入出力端子に接合されていることを特徴とす
る圧電部品。 A resonant electrode portion and an input/output electrode portion extending from the resonant electrode portion are formed on a piezoelectric substrate, and
A piezoelectric component having an input/output terminal connected to the input/output electrode and covered with an exterior resin, characterized in that a protection plate is joined to the input/output terminal with a clearance from the resonance electrode part. piezoelectric components.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7016889U JPH0310625U (en) | 1989-06-15 | 1989-06-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7016889U JPH0310625U (en) | 1989-06-15 | 1989-06-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0310625U true JPH0310625U (en) | 1991-01-31 |
Family
ID=31606100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7016889U Pending JPH0310625U (en) | 1989-06-15 | 1989-06-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0310625U (en) |
-
1989
- 1989-06-15 JP JP7016889U patent/JPH0310625U/ja active Pending