JP4915190B2 - 弾性表面波共振子 - Google Patents
弾性表面波共振子 Download PDFInfo
- Publication number
- JP4915190B2 JP4915190B2 JP2006254324A JP2006254324A JP4915190B2 JP 4915190 B2 JP4915190 B2 JP 4915190B2 JP 2006254324 A JP2006254324 A JP 2006254324A JP 2006254324 A JP2006254324 A JP 2006254324A JP 4915190 B2 JP4915190 B2 JP 4915190B2
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- electrode
- dummy
- region
- acoustic wave
- surface acoustic
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- 238000010897 surface acoustic wave method Methods 0.000 title claims description 17
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
12 電極指
13 櫛型電極
14 交差領域
15 ダミー電極
16 ダミー領域
Claims (1)
- 対向する一対のバスバーと、それぞれのバスバーから他方のバスバー側へ交互に延出された複数の電極指を有する櫛型電極とを備え、前記それぞれのバスバーから延びる電極指が交差する前記櫛型電極の交差領域における外側部分の交差幅を内側部分の交差幅より小さく設定し、前記電極指の延伸方向に他方のバスバーから延出したダミー電極を配置するとともに、このダミー電極が設けられた部分をダミー領域とし、前記ダミー領域におけるダミー電極とこのダミー電極と隣り合う電極指とのピッチを前記交差領域における電極指間ピッチより広くしたことを特徴とする弾性表面波共振子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2006254324A JP4915190B2 (ja) | 2006-09-20 | 2006-09-20 | 弾性表面波共振子 |
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JP2006254324A JP4915190B2 (ja) | 2006-09-20 | 2006-09-20 | 弾性表面波共振子 |
Publications (2)
Publication Number | Publication Date |
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JP2008078884A JP2008078884A (ja) | 2008-04-03 |
JP4915190B2 true JP4915190B2 (ja) | 2012-04-11 |
Family
ID=39350503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006254324A Active JP4915190B2 (ja) | 2006-09-20 | 2006-09-20 | 弾性表面波共振子 |
Country Status (1)
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JP (1) | JP4915190B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5156478B2 (ja) * | 2008-05-15 | 2013-03-06 | 太陽誘電株式会社 | 弾性表面波デバイス |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5835402B2 (ja) * | 1977-06-29 | 1983-08-02 | 株式会社日立製作所 | 弾性表面波装置 |
JPS63110809A (ja) * | 1986-10-29 | 1988-05-16 | Matsushita Electric Ind Co Ltd | 弾性表面波伝播素子 |
JP3361642B2 (ja) * | 1995-02-07 | 2003-01-07 | 沖電気工業株式会社 | インターディジタルトランスデューサ型弾性表面波共振子 |
JP2003198317A (ja) * | 2001-12-21 | 2003-07-11 | Fujitsu Media Device Kk | 弾性表面波共振子及び弾性表面波フィルタ |
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2006
- 2006-09-20 JP JP2006254324A patent/JP4915190B2/ja active Active
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JP2008078884A (ja) | 2008-04-03 |
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