JP2003092527A5 - - Google Patents
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- Publication number
- JP2003092527A5 JP2003092527A5 JP2002201850A JP2002201850A JP2003092527A5 JP 2003092527 A5 JP2003092527 A5 JP 2003092527A5 JP 2002201850 A JP2002201850 A JP 2002201850A JP 2002201850 A JP2002201850 A JP 2002201850A JP 2003092527 A5 JP2003092527 A5 JP 2003092527A5
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- idt electrode
- idt
- surface acoustic
- disposed
- 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
- 239000011295 pitch Substances 0.000 claims description 93
- 238000010897 surface acoustic wave method Methods 0.000 claims description 87
- 239000000758 substrate Substances 0.000 claims description 73
- 230000005855 radiation Effects 0.000 claims description 24
- 238000001465 metallisation Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002201850A JP3638270B2 (ja) | 2001-07-13 | 2002-07-10 | 弾性表面波フィルタ及びそれを用いた通信機器 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001-214316 | 2001-07-13 | ||
| JP2001214316 | 2001-07-13 | ||
| JP2002201850A JP3638270B2 (ja) | 2001-07-13 | 2002-07-10 | 弾性表面波フィルタ及びそれを用いた通信機器 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004249112A Division JP4047311B2 (ja) | 2001-07-13 | 2004-08-27 | 弾性表面波フィルタ |
| JP2004249120A Division JP4047313B2 (ja) | 2001-07-13 | 2004-08-27 | 弾性表面波フィルタ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003092527A JP2003092527A (ja) | 2003-03-28 |
| JP2003092527A5 true JP2003092527A5 (https=) | 2005-04-07 |
| JP3638270B2 JP3638270B2 (ja) | 2005-04-13 |
Family
ID=26618729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002201850A Expired - Lifetime JP3638270B2 (ja) | 2001-07-13 | 2002-07-10 | 弾性表面波フィルタ及びそれを用いた通信機器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3638270B2 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7760048B2 (en) | 2004-04-19 | 2010-07-20 | Murata Manufacturing Co., Ltd. | Elastic wave filter and communication device equipped with the elastic wave filter |
| DE102004037819B4 (de) | 2004-08-04 | 2021-12-16 | Snaptrack, Inc. | Elektroakustisches Bauelement mit geringen Verlusten |
| KR100680512B1 (ko) | 2004-08-23 | 2007-02-08 | 가부시키가이샤 무라타 세이사쿠쇼 | 밸런스형 탄성 표면파 필터 |
| CN100555857C (zh) | 2004-12-24 | 2009-10-28 | 株式会社村田制作所 | 平衡型saw滤波器 |
| CN100563102C (zh) * | 2006-01-20 | 2009-11-25 | 株式会社村田制作所 | 声表面波滤波器件 |
| JP2008252678A (ja) | 2007-03-30 | 2008-10-16 | Tdk Corp | 縦結合共振子型弾性表面波フィルタ |
| KR102687999B1 (ko) * | 2021-12-29 | 2024-07-24 | (주)와이팜 | Saw 공진기 설계방법, saw 필터 및 그 설계방법, 이를 기록한 컴퓨팅 장치에서 판독 가능한 기록매체 |
| WO2025100314A1 (ja) * | 2023-11-09 | 2025-05-15 | 株式会社村田製作所 | 弾性波装置 |
-
2002
- 2002-07-10 JP JP2002201850A patent/JP3638270B2/ja not_active Expired - Lifetime
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