DE68921811D1 - Akustische Oberflächenwellenanordnungen. - Google Patents
Akustische Oberflächenwellenanordnungen.Info
- Publication number
- DE68921811D1 DE68921811D1 DE68921811T DE68921811T DE68921811D1 DE 68921811 D1 DE68921811 D1 DE 68921811D1 DE 68921811 T DE68921811 T DE 68921811T DE 68921811 T DE68921811 T DE 68921811T DE 68921811 D1 DE68921811 D1 DE 68921811D1
- Authority
- DE
- Germany
- Prior art keywords
- acoustic wave
- surface acoustic
- wave arrangements
- arrangements
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02834—Means for compensation or elimination of undesirable effects of temperature influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63187705A JP2783550B2 (ja) | 1988-07-27 | 1988-07-27 | 弾性表面波発振素子 |
JP63187704A JPH0748626B2 (ja) | 1988-07-27 | 1988-07-27 | 弾性表面波素子の周波数調整方法 |
JP27027588A JPH02116211A (ja) | 1988-10-26 | 1988-10-26 | 圧電体素子 |
JP27676188A JPH02123808A (ja) | 1988-11-01 | 1988-11-01 | 表面波デバイスの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68921811D1 true DE68921811D1 (de) | 1995-04-27 |
DE68921811T2 DE68921811T2 (de) | 1995-07-13 |
Family
ID=27475337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68921811T Expired - Fee Related DE68921811T2 (de) | 1988-07-27 | 1989-07-27 | Akustische Oberflächenwellenanordnungen. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4978879A (de) |
EP (1) | EP0353073B1 (de) |
DE (1) | DE68921811T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5196753A (en) * | 1989-07-31 | 1993-03-23 | Raytheon Company | Surface acoustic wave devices having long-term frequency stability |
JPH0468907A (ja) * | 1990-07-09 | 1992-03-04 | Kinseki Ltd | 周波数変換回路 |
JPH04358410A (ja) * | 1991-06-05 | 1992-12-11 | Sumitomo Electric Ind Ltd | 表面弾性波素子及びその製造方法 |
JPH0590864A (ja) * | 1991-09-25 | 1993-04-09 | Mitsubishi Materials Corp | 弾性波デバイス及びその製造方法 |
USRE40036E1 (en) | 1991-10-28 | 2008-01-29 | Fujitsu Limited | Surface acoustic wave filter |
JP2800905B2 (ja) * | 1991-10-28 | 1998-09-21 | 富士通株式会社 | 弾性表面波フィルタ |
US5287036A (en) * | 1992-03-02 | 1994-02-15 | Motorola, Inc. | Method and apparatus for acoustic wave inductance |
TW241397B (de) * | 1993-01-14 | 1995-02-21 | Murata Manufacturing Co | |
JP3298251B2 (ja) * | 1993-08-24 | 2002-07-02 | 株式会社村田製作所 | 弾性表面波装置 |
JPH07283682A (ja) | 1994-04-13 | 1995-10-27 | Murata Mfg Co Ltd | 弾性表面波共振子フィルタ |
DE69608997T2 (de) * | 1995-04-12 | 2000-11-16 | Matsushita Electric Industrial Co., Ltd. | Resonateur-Kettenfilter mit akustischen Oberflächenwellen |
CN1169235C (zh) * | 1996-05-24 | 2004-09-29 | 埃普科斯股份有限公司 | 电子部件、尤其是利用声表面波工作的电子部件-ofw部件 |
JPH10276062A (ja) * | 1997-03-31 | 1998-10-13 | Sanyo Electric Co Ltd | 弾性表面波デバイス |
JP3391309B2 (ja) | 1999-09-02 | 2003-03-31 | 株式会社村田製作所 | 表面波装置及び通信機装置 |
JP2002237736A (ja) * | 2001-02-13 | 2002-08-23 | Murata Mfg Co Ltd | 弾性表面波装置及びその弾性表面波装置の周波数調整方法 |
WO2002082644A1 (fr) * | 2001-03-30 | 2002-10-17 | Mitsubishi Denki Kabushiki Kaisha | Dispositif d'onde acoustique et procede de fabrication correspondant |
JP3801083B2 (ja) * | 2001-06-06 | 2006-07-26 | 株式会社村田製作所 | 弾性表面波装置 |
JP3945363B2 (ja) * | 2001-10-12 | 2007-07-18 | 株式会社村田製作所 | 弾性表面波装置 |
JP3925366B2 (ja) * | 2001-10-17 | 2007-06-06 | 株式会社村田製作所 | 弾性表面波装置およびその製造方法 |
DE10162540A1 (de) * | 2001-12-19 | 2003-07-10 | Infineon Technologies Ag | Bauelement und Verfahren zu dessen Herstellung |
JP3979279B2 (ja) * | 2001-12-28 | 2007-09-19 | 株式会社村田製作所 | 弾性表面波装置 |
JP3780947B2 (ja) * | 2002-01-18 | 2006-05-31 | 株式会社村田製作所 | 弾性表面波装置 |
JP2004254291A (ja) * | 2003-01-27 | 2004-09-09 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP2005176152A (ja) * | 2003-12-15 | 2005-06-30 | Alps Electric Co Ltd | 弾性表面波素子及びその製造方法 |
CN100563100C (zh) * | 2004-03-02 | 2009-11-25 | 株式会社村田制作所 | 表面声波装置 |
JP4535067B2 (ja) * | 2004-03-29 | 2010-09-01 | 株式会社村田製作所 | 弾性境界波装置の製造方法及び弾性境界波装置 |
US7439648B2 (en) * | 2004-08-27 | 2008-10-21 | Kyocera Corporation | Surface acoustic wave device and manufacturing method therefor, and communications equipment |
DE102004045181B4 (de) | 2004-09-17 | 2016-02-04 | Epcos Ag | SAW-Bauelement mit reduziertem Temperaturgang und Verfahren zur Herstellung |
JP2008135971A (ja) * | 2006-11-28 | 2008-06-12 | Fujitsu Media Device Kk | 弾性波デバイス |
CN101379699B (zh) | 2006-12-27 | 2012-04-11 | 松下电器产业株式会社 | 声表面波谐振器及使用该声表面波谐振器的声表面波滤波器以及天线共用器 |
JP5158092B2 (ja) * | 2007-11-28 | 2013-03-06 | 株式会社村田製作所 | 弾性波装置 |
JPWO2009090715A1 (ja) * | 2008-01-17 | 2011-05-26 | 株式会社村田製作所 | 弾性表面波装置 |
WO2009090714A1 (ja) * | 2008-01-17 | 2009-07-23 | Murata Manufacturing Co., Ltd. | 弾性表面波装置 |
US8115365B2 (en) * | 2008-04-15 | 2012-02-14 | Ngk Insulators, Ltd. | Surface acoustic wave devices |
US7911111B2 (en) * | 2008-04-15 | 2011-03-22 | Ngk Insulators, Ltd. | Surface acoustic wave devices |
JP2019092019A (ja) * | 2017-11-14 | 2019-06-13 | 株式会社村田製作所 | 弾性波装置、高周波フロントエンド回路及び通信装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3786373A (en) * | 1971-10-01 | 1974-01-15 | Raytheon Co | Temperature compensated acoustic surface wave device |
US3795879A (en) * | 1973-04-04 | 1974-03-05 | Us Navy | Composite dispersive filter |
US3965444A (en) * | 1975-01-03 | 1976-06-22 | Raytheon Company | Temperature compensated surface acoustic wave devices |
JPS5930332B2 (ja) * | 1979-05-31 | 1984-07-26 | 株式会社東芝 | 弾性表面波素子 |
JPS56116317A (en) * | 1980-02-19 | 1981-09-12 | Matsushita Electric Ind Co Ltd | Material for elastic surface wave |
JPS60130910A (ja) * | 1983-12-19 | 1985-07-12 | Pioneer Electronic Corp | 弾性表面波共振子の周波数調整方法 |
-
1989
- 1989-07-25 US US07/384,829 patent/US4978879A/en not_active Expired - Lifetime
- 1989-07-27 DE DE68921811T patent/DE68921811T2/de not_active Expired - Fee Related
- 1989-07-27 EP EP89307660A patent/EP0353073B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0353073A3 (en) | 1990-09-19 |
EP0353073A2 (de) | 1990-01-31 |
US4978879A (en) | 1990-12-18 |
EP0353073B1 (de) | 1995-03-22 |
DE68921811T2 (de) | 1995-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |