WO2008087836A1 - 弾性境界波装置の製造方法 - Google Patents
弾性境界波装置の製造方法 Download PDFInfo
- Publication number
- WO2008087836A1 WO2008087836A1 PCT/JP2007/074919 JP2007074919W WO2008087836A1 WO 2008087836 A1 WO2008087836 A1 WO 2008087836A1 JP 2007074919 W JP2007074919 W JP 2007074919W WO 2008087836 A1 WO2008087836 A1 WO 2008087836A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dielectric film
- wave device
- manufacturing
- boundary wave
- elastic boundary
- Prior art date
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
- H03H9/0222—Details of interface-acoustic, boundary, pseudo-acoustic or Stonely wave devices
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49005—Acoustic transducer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49007—Indicating transducer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/4908—Acoustic transducer
Abstract
IDTの厚みをさほど薄くせずとも、堆積法により誘電体膜を形成した場合に誘電体膜中の不連続性部分が生じ難く、電気的特性の劣化が生じ難い弾性境界波装置の製造方法を提供する。 圧電基板1上に、IDT4を形成した後に、IDT4を覆うように下層誘電体膜5を形成し、下層誘電体膜5の上面の凹凸を緩和するように平坦化工程を実施し、上面の凹凸が緩和された下層誘電体膜5を覆うように上層誘電体膜7を形成する、弾性境界波装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008553993A JP4793450B2 (ja) | 2007-01-19 | 2007-12-26 | 弾性境界波装置の製造方法 |
US12/504,843 US8099853B2 (en) | 2007-01-19 | 2009-07-17 | Method for manufacturing boundary acoustic wave device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-009855 | 2007-01-19 | ||
JP2007009855 | 2007-01-19 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/504,843 Continuation US8099853B2 (en) | 2007-01-19 | 2009-07-17 | Method for manufacturing boundary acoustic wave device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008087836A1 true WO2008087836A1 (ja) | 2008-07-24 |
Family
ID=39635841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/074919 WO2008087836A1 (ja) | 2007-01-19 | 2007-12-26 | 弾性境界波装置の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8099853B2 (ja) |
JP (1) | JP4793450B2 (ja) |
WO (1) | WO2008087836A1 (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010045533A (ja) * | 2008-08-11 | 2010-02-25 | Fujitsu Ltd | 弾性波デバイスの製造方法 |
JP2010206246A (ja) * | 2009-02-27 | 2010-09-16 | Taiyo Yuden Co Ltd | 弾性波デバイス、デュープレクサ、通信モジュール、通信装置、弾性波デバイスの製造方法 |
WO2011040179A1 (ja) * | 2009-09-29 | 2011-04-07 | 太陽誘電株式会社 | 弾性波デバイスおよびその製造方法 |
JP2011176819A (ja) * | 2010-02-22 | 2011-09-08 | Triquint Semiconductor Inc | 温度補償型弾性表面波デバイスとインタディジタル・トランスデューサー、改善された挿入損失及び品質の値を提供するための埋め込み方法 |
JP2011244065A (ja) * | 2010-05-14 | 2011-12-01 | Murata Mfg Co Ltd | 弾性表面波装置の製造方法 |
JPWO2010122993A1 (ja) * | 2009-04-22 | 2012-10-25 | 株式会社村田製作所 | 弾性境界波装置及びその製造方法 |
US8305163B2 (en) | 2008-11-18 | 2012-11-06 | Murata Manufacturing Co., Ltd. | Tunable filter including a surface acoustic wave resonator and a variable capacitor |
JP2013538500A (ja) * | 2010-08-12 | 2013-10-10 | エプコス アクチエンゲゼルシャフト | 周波数の温度依存性が低減した、弾性波で動作する素子、およびその製造方法 |
US20140312736A1 (en) * | 2008-04-01 | 2014-10-23 | Epcos Ag | Electricoacoustic Component with Structured Conductor and Dielectric Layer |
JP2016519897A (ja) * | 2013-04-08 | 2016-07-07 | ソイテック | 改良型の熱補償形表面弾性波デバイスおよび製造方法 |
WO2020158673A1 (ja) * | 2019-01-31 | 2020-08-06 | 株式会社村田製作所 | 弾性波デバイスおよびマルチプレクサ |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5304898B2 (ja) * | 2009-08-10 | 2013-10-02 | 株式会社村田製作所 | 弾性境界波装置 |
US10166777B2 (en) * | 2016-04-21 | 2019-01-01 | Xerox Corporation | Method of forming piezo driver electrodes |
DE102018109844B4 (de) * | 2018-04-24 | 2024-01-18 | Rf360 Singapore Pte. Ltd. | Elektroakustischer Resonator |
CN109586679B (zh) * | 2018-11-21 | 2021-11-16 | 电子科技大学 | 一种压电谐振器等效电参数及谐振频率的测量方法 |
Citations (5)
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JP2005080202A (ja) * | 2003-09-03 | 2005-03-24 | Murata Mfg Co Ltd | 弾性表面波素子 |
JP2005150915A (ja) * | 2003-11-12 | 2005-06-09 | Fujitsu Media Device Kk | 弾性境界波デバイス及びその製造方法 |
JP2006270608A (ja) * | 2005-03-24 | 2006-10-05 | Japan Radio Co Ltd | 弾性波デバイスの製造方法 |
JP2006295976A (ja) * | 2003-10-03 | 2006-10-26 | Murata Mfg Co Ltd | 弾性表面波装置 |
WO2006114930A1 (ja) * | 2005-04-25 | 2006-11-02 | Murata Manufacturing Co., Ltd. | 弾性境界波装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3779389B2 (ja) | 1996-09-09 | 2006-05-24 | 株式会社東芝 | 弾性境界波デバイス及びその製造方法 |
DE69836719T2 (de) * | 1997-05-08 | 2007-10-04 | Kabushiki Kaisha Toshiba, Kawasaki | Elastische oberflächenwellenvorrichtung und verfahren zu deren herstellung |
JP4297137B2 (ja) * | 2002-07-24 | 2009-07-15 | 株式会社村田製作所 | 弾性表面波装置及びその製造方法 |
JP3815424B2 (ja) * | 2002-11-08 | 2006-08-30 | 株式会社村田製作所 | 弾性境界波装置 |
EP2139110A1 (en) * | 2003-02-10 | 2009-12-30 | Murata Manufacturing Co. Ltd. | Boundary acoustic wave device |
US7120988B2 (en) * | 2003-09-26 | 2006-10-17 | Hitachi Global Storage Technologies Netherlands B.V. | Method for forming a write head having air bearing surface (ABS) |
US7339304B2 (en) * | 2003-10-03 | 2008-03-04 | Murata Manufacturing Co., Ltd. | Surface acoustic wave device |
US7486001B2 (en) * | 2004-01-19 | 2009-02-03 | Murata Manufacturing Co., Ltd. | Boundary acoustic wave device |
-
2007
- 2007-12-26 WO PCT/JP2007/074919 patent/WO2008087836A1/ja active Application Filing
- 2007-12-26 JP JP2008553993A patent/JP4793450B2/ja active Active
-
2009
- 2009-07-17 US US12/504,843 patent/US8099853B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005080202A (ja) * | 2003-09-03 | 2005-03-24 | Murata Mfg Co Ltd | 弾性表面波素子 |
JP2006295976A (ja) * | 2003-10-03 | 2006-10-26 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP2005150915A (ja) * | 2003-11-12 | 2005-06-09 | Fujitsu Media Device Kk | 弾性境界波デバイス及びその製造方法 |
JP2006270608A (ja) * | 2005-03-24 | 2006-10-05 | Japan Radio Co Ltd | 弾性波デバイスの製造方法 |
WO2006114930A1 (ja) * | 2005-04-25 | 2006-11-02 | Murata Manufacturing Co., Ltd. | 弾性境界波装置 |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9941858B2 (en) * | 2008-04-01 | 2018-04-10 | Snaptrack, Inc. | Electricoacoustic component with structured conductor and dielectric layer |
US20140312736A1 (en) * | 2008-04-01 | 2014-10-23 | Epcos Ag | Electricoacoustic Component with Structured Conductor and Dielectric Layer |
JP2010045533A (ja) * | 2008-08-11 | 2010-02-25 | Fujitsu Ltd | 弾性波デバイスの製造方法 |
US8305163B2 (en) | 2008-11-18 | 2012-11-06 | Murata Manufacturing Co., Ltd. | Tunable filter including a surface acoustic wave resonator and a variable capacitor |
JP5120461B2 (ja) * | 2008-11-18 | 2013-01-16 | 株式会社村田製作所 | チューナブルフィルタ |
JP2010206246A (ja) * | 2009-02-27 | 2010-09-16 | Taiyo Yuden Co Ltd | 弾性波デバイス、デュープレクサ、通信モジュール、通信装置、弾性波デバイスの製造方法 |
US8471435B2 (en) | 2009-04-22 | 2013-06-25 | Murata Manufacturing Co., Ltd. | Boundary acoustic wave device and method of manufacturing same |
JPWO2010122993A1 (ja) * | 2009-04-22 | 2012-10-25 | 株式会社村田製作所 | 弾性境界波装置及びその製造方法 |
WO2011040179A1 (ja) * | 2009-09-29 | 2011-04-07 | 太陽誘電株式会社 | 弾性波デバイスおよびその製造方法 |
JP2011077682A (ja) * | 2009-09-29 | 2011-04-14 | Taiyo Yuden Co Ltd | 弾性波デバイスおよびその製造方法 |
US8044553B2 (en) | 2010-02-22 | 2011-10-25 | Triquint Semiconductor, Inc. | Temperature compensated surface acoustic wave device and method having buried interdigital transducers for providing an improved insertion loss and quality factor |
JP2011176819A (ja) * | 2010-02-22 | 2011-09-08 | Triquint Semiconductor Inc | 温度補償型弾性表面波デバイスとインタディジタル・トランスデューサー、改善された挿入損失及び品質の値を提供するための埋め込み方法 |
JP2011244065A (ja) * | 2010-05-14 | 2011-12-01 | Murata Mfg Co Ltd | 弾性表面波装置の製造方法 |
US9160303B2 (en) | 2010-08-12 | 2015-10-13 | Epcos Ag | Component working with acoustic waves having reduced temperature coefficient of frequencies and method for producing same |
JP2013538500A (ja) * | 2010-08-12 | 2013-10-10 | エプコス アクチエンゲゼルシャフト | 周波数の温度依存性が低減した、弾性波で動作する素子、およびその製造方法 |
JP2016519897A (ja) * | 2013-04-08 | 2016-07-07 | ソイテック | 改良型の熱補償形表面弾性波デバイスおよび製造方法 |
WO2020158673A1 (ja) * | 2019-01-31 | 2020-08-06 | 株式会社村田製作所 | 弾性波デバイスおよびマルチプレクサ |
JPWO2020158673A1 (ja) * | 2019-01-31 | 2021-11-25 | 株式会社村田製作所 | 弾性波デバイスおよびマルチプレクサ |
JP7168009B2 (ja) | 2019-01-31 | 2022-11-09 | 株式会社村田製作所 | 弾性波デバイスおよびマルチプレクサ |
US11936359B2 (en) | 2019-01-31 | 2024-03-19 | Murata Manufacturing Co., Ltd. | Acoustic wave device and multiplexer |
Also Published As
Publication number | Publication date |
---|---|
US20090265904A1 (en) | 2009-10-29 |
JP4793450B2 (ja) | 2011-10-12 |
US8099853B2 (en) | 2012-01-24 |
JPWO2008087836A1 (ja) | 2010-05-06 |
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