JP4251476B2 - 弾性表面波フィルタ素子 - Google Patents

弾性表面波フィルタ素子 Download PDF

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Publication number
JP4251476B2
JP4251476B2 JP2002311730A JP2002311730A JP4251476B2 JP 4251476 B2 JP4251476 B2 JP 4251476B2 JP 2002311730 A JP2002311730 A JP 2002311730A JP 2002311730 A JP2002311730 A JP 2002311730A JP 4251476 B2 JP4251476 B2 JP 4251476B2
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JP
Japan
Prior art keywords
electrode
acoustic wave
surface acoustic
circuit board
wave filter
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.)
Expired - Fee Related
Application number
JP2002311730A
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English (en)
Japanese (ja)
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JP2003204243A5 (enExample
JP2003204243A (ja
Inventor
弘幸 中村
慶治 大西
昭雄 常川
茂 都築
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to JP2002311730A priority Critical patent/JP4251476B2/ja
Publication of JP2003204243A publication Critical patent/JP2003204243A/ja
Publication of JP2003204243A5 publication Critical patent/JP2003204243A5/ja
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Publication of JP4251476B2 publication Critical patent/JP4251476B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2002311730A 2001-10-29 2002-10-25 弾性表面波フィルタ素子 Expired - Fee Related JP4251476B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002311730A JP4251476B2 (ja) 2001-10-29 2002-10-25 弾性表面波フィルタ素子

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001330435 2001-10-29
JP2001-330435 2001-10-29
JP2002311730A JP4251476B2 (ja) 2001-10-29 2002-10-25 弾性表面波フィルタ素子

Related Child Applications (1)

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JP2008241784A Division JP2008306773A (ja) 2001-10-29 2008-09-19 弾性表面波フィルタ素子

Publications (3)

Publication Number Publication Date
JP2003204243A JP2003204243A (ja) 2003-07-18
JP2003204243A5 JP2003204243A5 (enExample) 2005-12-08
JP4251476B2 true JP4251476B2 (ja) 2009-04-08

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ID=27666585

Family Applications (1)

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JP2002311730A Expired - Fee Related JP4251476B2 (ja) 2001-10-29 2002-10-25 弾性表面波フィルタ素子

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JP (1) JP4251476B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4222197B2 (ja) 2003-02-24 2009-02-12 株式会社村田製作所 弾性表面波フィルタ、通信機
JP4548418B2 (ja) * 2004-04-16 2010-09-22 エプソントヨコム株式会社 平衡型弾性表面波フィルタ
DE112005000043B4 (de) * 2004-07-23 2013-01-17 Murata Manufacturing Co., Ltd. Oberflächenwellenbauelement
JP2006197554A (ja) 2004-12-17 2006-07-27 Seiko Epson Corp 弾性表面波デバイス及びその製造方法、ｉｃカード、携帯用電子機器
JP4876658B2 (ja) * 2006-03-23 2012-02-15 パナソニック株式会社 弾性表面波フィルタ及びそれを用いた通信機器
JP4873010B2 (ja) * 2006-09-28 2012-02-08 株式会社村田製作所 バランス型弾性波フィルタ装置
WO2010029657A1 (ja) 2008-09-09 2010-03-18 株式会社村田製作所 弾性波装置
JP5333403B2 (ja) 2010-10-12 2013-11-06 株式会社村田製作所 弾性表面波フィルタ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05167387A (ja) * 1991-12-12 1993-07-02 Fujitsu Ltd 弾性表面波デバイス
JPH10290176A (ja) * 1997-04-11 1998-10-27 Sony Corp アンテナ共用装置
JP3869919B2 (ja) * 1997-11-05 2007-01-17 Ｔｄｋ株式会社 弾性表面波装置
JP2000138553A (ja) * 1998-10-30 2000-05-16 Kyocera Corp 弾性表面波フィルタ及びその製造方法
JP2000261285A (ja) * 1999-03-09 2000-09-22 Hitachi Media Electoronics Co Ltd 弾性表面波装置
CN1945969A (zh) * 2002-03-06 2007-04-11 松下电器产业株式会社 表面声波滤波器、平衡型电路以及通信设备

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Publication number Publication date
JP2003204243A (ja) 2003-07-18

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