CN1705225A - 表面声波器件 - Google Patents
表面声波器件 Download PDFInfo
- Publication number
- CN1705225A CN1705225A CNA2005100760956A CN200510076095A CN1705225A CN 1705225 A CN1705225 A CN 1705225A CN A2005100760956 A CNA2005100760956 A CN A2005100760956A CN 200510076095 A CN200510076095 A CN 200510076095A CN 1705225 A CN1705225 A CN 1705225A
- Authority
- CN
- China
- Prior art keywords
- electrode
- upper layer
- layer film
- power
- acoustic 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.)
- Granted
Links
Images
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
- H03H9/05—Holders; Supports
- H03H9/08—Holders with means for regulating temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0047—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
- H03H9/0066—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel
- H03H9/0076—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel the balanced terminals being on opposite sides of the tracks
-
- 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
-
- 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
-
- 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14538—Formation
- H03H9/14541—Multilayer finger or busbar electrode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
- H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
- H03H9/6476—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes the tracks being electrically parallel
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004162611A JP2005347892A (ja) | 2004-05-31 | 2004-05-31 | 弾性表面波素子 |
JPJP2004162611 | 2004-05-31 | ||
JP2004162611 | 2004-05-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1705225A true CN1705225A (zh) | 2005-12-07 |
CN100490321C CN100490321C (zh) | 2009-05-20 |
Family
ID=35424412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100760956A Active CN100490321C (zh) | 2004-05-31 | 2005-05-31 | 表面声波器件 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7423365B2 (zh) |
JP (1) | JP2005347892A (zh) |
KR (1) | KR100638777B1 (zh) |
CN (1) | CN100490321C (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102983831A (zh) * | 2012-12-30 | 2013-03-20 | 淮南联合大学 | 一种声表面波(saw)换能器 |
CN104484067A (zh) * | 2014-12-05 | 2015-04-01 | 深圳莱宝高科技股份有限公司 | 触控面板及其制作方法、显示面板及触控显示装置 |
CN108493325A (zh) * | 2018-04-03 | 2018-09-04 | 清华大学 | 一种高频高性能声表面波器件及其制备方法 |
CN111294009A (zh) * | 2018-12-10 | 2020-06-16 | 太阳诱电株式会社 | 声波装置、滤波器和多路复用器 |
CN115567027A (zh) * | 2022-11-03 | 2023-01-03 | 常州承芯半导体有限公司 | 换能装置、声表面波谐振装置及其形成方法、滤波装置 |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006046545A1 (ja) * | 2004-10-26 | 2006-05-04 | Kyocera Corporation | 弾性表面波素子及び通信装置 |
WO2007094368A1 (ja) | 2006-02-16 | 2007-08-23 | Matsushita Electric Industrial Co., Ltd. | 弾性表面波デバイス、およびこれを用いた弾性表面波フィルタとアンテナ共用器、並びにこれを用いた電子機器 |
JP4544227B2 (ja) * | 2006-09-21 | 2010-09-15 | パナソニック株式会社 | 弾性波共振器およびこれを用いた弾性波フィルタ、アンテナ共用器 |
DE102006044663A1 (de) * | 2006-09-21 | 2008-04-03 | Epcos Ag | Filterbauelement |
JP2010225054A (ja) * | 2009-03-25 | 2010-10-07 | Nec Corp | コンピュータシステム、障害処理方法、及びプログラム |
JP2011135469A (ja) * | 2009-12-25 | 2011-07-07 | Murata Mfg Co Ltd | 弾性波装置 |
WO2015198905A1 (ja) * | 2014-06-27 | 2015-12-30 | 株式会社村田製作所 | 弾性波装置 |
US11146232B2 (en) | 2018-06-15 | 2021-10-12 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with reduced spurious modes |
US10790802B2 (en) | 2018-06-15 | 2020-09-29 | Resonant Inc. | Transversely excited film bulk acoustic resonator using rotated Y-X cut lithium niobate |
US11936358B2 (en) | 2020-11-11 | 2024-03-19 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with low thermal impedance |
US11323090B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonator using Y-X-cut lithium niobate for high power applications |
US20210328574A1 (en) | 2020-04-20 | 2021-10-21 | Resonant Inc. | Small transversely-excited film bulk acoustic resonators with enhanced q-factor |
US11929731B2 (en) | 2018-02-18 | 2024-03-12 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with optimized electrode mark, and pitch |
US11509279B2 (en) | 2020-07-18 | 2022-11-22 | Resonant Inc. | Acoustic resonators and filters with reduced temperature coefficient of frequency |
US10756697B2 (en) | 2018-06-15 | 2020-08-25 | Resonant Inc. | Transversely-excited film bulk acoustic resonator |
US11323089B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Filter using piezoelectric film bonded to high resistivity silicon substrate with trap-rich layer |
US11323096B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with periodic etched holes |
US20220116015A1 (en) | 2018-06-15 | 2022-04-14 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch |
US11916539B2 (en) | 2020-02-28 | 2024-02-27 | Murata Manufacturing Co., Ltd. | Split-ladder band N77 filter using transversely-excited film bulk acoustic resonators |
US11876498B2 (en) | 2018-06-15 | 2024-01-16 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method |
US11901878B2 (en) | 2018-06-15 | 2024-02-13 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with two-layer electrodes with a wider top layer |
US11329628B2 (en) | 2020-06-17 | 2022-05-10 | Resonant Inc. | Filter using lithium niobate and lithium tantalate transversely-excited film bulk acoustic resonators |
US11728785B2 (en) | 2018-06-15 | 2023-08-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator using pre-formed cavities |
US11374549B2 (en) | 2018-06-15 | 2022-06-28 | Resonant Inc. | Filter using transversely-excited film bulk acoustic resonators with divided frequency-setting dielectric layers |
US11909381B2 (en) | 2018-06-15 | 2024-02-20 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with two-layer electrodes having a narrower top layer |
US11349450B2 (en) | 2018-06-15 | 2022-05-31 | Resonant Inc. | Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes |
US11146238B2 (en) | 2018-06-15 | 2021-10-12 | Resonant Inc. | Film bulk acoustic resonator fabrication method |
US11228296B2 (en) | 2018-06-15 | 2022-01-18 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with a cavity having a curved perimeter |
US11171629B2 (en) | 2018-06-15 | 2021-11-09 | Resonant Inc. | Transversely-excited film bulk acoustic resonator using pre-formed cavities |
US11967945B2 (en) | 2018-06-15 | 2024-04-23 | Murata Manufacturing Co., Ltd. | Transversly-excited film bulk acoustic resonators and filters |
US11323091B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with diaphragm support pedestals |
US11888463B2 (en) | 2018-06-15 | 2024-01-30 | Murata Manufacturing Co., Ltd. | Multi-port filter using transversely-excited film bulk acoustic resonators |
US10826462B2 (en) | 2018-06-15 | 2020-11-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with molybdenum conductors |
US11349452B2 (en) | 2018-06-15 | 2022-05-31 | Resonant Inc. | Transversely-excited film bulk acoustic filters with symmetric layout |
US11201601B2 (en) | 2018-06-15 | 2021-12-14 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method |
US11949402B2 (en) | 2020-08-31 | 2024-04-02 | Murata Manufacturing Co., Ltd. | Resonators with different membrane thicknesses on the same die |
US11996822B2 (en) | 2018-06-15 | 2024-05-28 | Murata Manufacturing Co., Ltd. | Wide bandwidth time division duplex transceiver |
US11323095B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Rotation in XY plane to suppress spurious modes in XBAR devices |
US11264966B2 (en) | 2018-06-15 | 2022-03-01 | Resonant Inc. | Solidly-mounted transversely-excited film bulk acoustic resonator with diamond layers in Bragg reflector stack |
DE112020001227T5 (de) | 2019-03-14 | 2022-02-10 | Resonant Inc. | Transversal angeregter akustischer Filmresonator mit Lambda-Halbe-Dielektrikumschicht |
US11901873B2 (en) | 2019-03-14 | 2024-02-13 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with partial BRAGG reflectors |
US20210273629A1 (en) | 2020-02-28 | 2021-09-02 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with multi-pitch interdigital transducer |
US11811391B2 (en) | 2020-05-04 | 2023-11-07 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with etched conductor patterns |
US11469733B2 (en) | 2020-05-06 | 2022-10-11 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with interdigital transducer configured to reduce diaphragm stress |
US11817845B2 (en) | 2020-07-09 | 2023-11-14 | Murata Manufacturing Co., Ltd. | Method for making transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate |
US11264969B1 (en) | 2020-08-06 | 2022-03-01 | Resonant Inc. | Transversely-excited film bulk acoustic resonator comprising small cells |
US11671070B2 (en) | 2020-08-19 | 2023-06-06 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators using multiple dielectric layer thicknesses to suppress spurious modes |
US11271539B1 (en) | 2020-08-19 | 2022-03-08 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with tether-supported diaphragm |
US11894835B2 (en) | 2020-09-21 | 2024-02-06 | Murata Manufacturing Co., Ltd. | Sandwiched XBAR for third harmonic operation |
US11658639B2 (en) | 2020-10-05 | 2023-05-23 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator matrix filters with noncontiguous passband |
US11728784B2 (en) | 2020-10-05 | 2023-08-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator matrix filters with split die sub-filters |
US11476834B2 (en) | 2020-10-05 | 2022-10-18 | Resonant Inc. | Transversely-excited film bulk acoustic resonator matrix filters with switches in parallel with sub-filter shunt capacitors |
US11405017B2 (en) | 2020-10-05 | 2022-08-02 | Resonant Inc. | Acoustic matrix filters and radios using acoustic matrix filters |
US11929733B2 (en) | 2020-10-05 | 2024-03-12 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator matrix filters with input and output impedances matched to radio frequency front end elements |
US11405020B2 (en) | 2020-11-26 | 2022-08-02 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with structures to reduce acoustic energy leakage |
US11239816B1 (en) | 2021-01-15 | 2022-02-01 | Resonant Inc. | Decoupled transversely-excited film bulk acoustic resonators |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07107967B2 (ja) | 1986-01-13 | 1995-11-15 | 株式会社日立製作所 | 弾性表面波装置 |
JPS6480113A (en) | 1987-09-22 | 1989-03-27 | Hitachi Ltd | Surface acoustic wave device |
JPH04288718A (ja) | 1991-02-22 | 1992-10-13 | Seiko Epson Corp | 弾性表面波素子の電極構造 |
JP2937613B2 (ja) | 1991-07-16 | 1999-08-23 | 日本電気株式会社 | 薄膜配線およびその製造方法 |
JPH05206776A (ja) | 1992-01-30 | 1993-08-13 | Hitachi Ltd | 弾性表面波素子とその製造方法 |
JPH066173A (ja) | 1992-06-19 | 1994-01-14 | Hitachi Ltd | 弾性表面波素子電極 |
JP3379049B2 (ja) | 1993-10-27 | 2003-02-17 | 富士通株式会社 | 表面弾性波素子とその製造方法 |
JP3296097B2 (ja) | 1994-07-13 | 2002-06-24 | 株式会社日立製作所 | 弾性表面波素子 |
JPH08148966A (ja) | 1994-11-18 | 1996-06-07 | Hitachi Ltd | 弾性表面波素子電極 |
JPH09223944A (ja) | 1995-12-13 | 1997-08-26 | Fujitsu Ltd | 弾性表面波素子及びその製造方法 |
JPH1093368A (ja) | 1997-04-18 | 1998-04-10 | Murata Mfg Co Ltd | 弾性表面波装置の製造方法 |
WO1999016168A1 (fr) | 1997-09-22 | 1999-04-01 | Tdk Corporation | Appareil a ondes acoustiques de surface et procede de fabrication de cet appareil |
CN1190892C (zh) | 1998-04-21 | 2005-02-23 | 松下电器产业株式会社 | 弹性表面波器件及其制法及使用该器件的移动通信装置 |
US6259185B1 (en) * | 1998-12-02 | 2001-07-10 | Cts Corporation | Metallization for high power handling in a surface acoustic wave device and method for providing same |
JP3445971B2 (ja) * | 2000-12-14 | 2003-09-16 | 富士通株式会社 | 弾性表面波素子 |
JP3971128B2 (ja) | 2001-06-05 | 2007-09-05 | 富士通株式会社 | 弾性表面波素子 |
US6965190B2 (en) * | 2001-09-12 | 2005-11-15 | Sanyo Electric Co., Ltd. | Surface acoustic wave device |
TWI282660B (en) * | 2001-12-27 | 2007-06-11 | Murata Manufacturing Co | Surface acoustic wave device and manufacturing method therefor |
-
2004
- 2004-05-31 JP JP2004162611A patent/JP2005347892A/ja active Pending
-
2005
- 2005-05-27 US US11/139,040 patent/US7423365B2/en active Active
- 2005-05-30 KR KR1020050045623A patent/KR100638777B1/ko not_active IP Right Cessation
- 2005-05-31 CN CNB2005100760956A patent/CN100490321C/zh active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102983831A (zh) * | 2012-12-30 | 2013-03-20 | 淮南联合大学 | 一种声表面波(saw)换能器 |
CN104484067A (zh) * | 2014-12-05 | 2015-04-01 | 深圳莱宝高科技股份有限公司 | 触控面板及其制作方法、显示面板及触控显示装置 |
CN104484067B (zh) * | 2014-12-05 | 2017-10-27 | 深圳莱宝高科技股份有限公司 | 触控面板及其制作方法、显示面板及触控显示装置 |
CN108493325A (zh) * | 2018-04-03 | 2018-09-04 | 清华大学 | 一种高频高性能声表面波器件及其制备方法 |
CN111294009A (zh) * | 2018-12-10 | 2020-06-16 | 太阳诱电株式会社 | 声波装置、滤波器和多路复用器 |
CN115567027A (zh) * | 2022-11-03 | 2023-01-03 | 常州承芯半导体有限公司 | 换能装置、声表面波谐振装置及其形成方法、滤波装置 |
WO2024094057A1 (zh) * | 2022-11-03 | 2024-05-10 | 常州承芯半导体有限公司 | 换能装置、声表面波谐振装置及其形成方法、滤波装置 |
Also Published As
Publication number | Publication date |
---|---|
CN100490321C (zh) | 2009-05-20 |
US7423365B2 (en) | 2008-09-09 |
US20050264136A1 (en) | 2005-12-01 |
KR20060046279A (ko) | 2006-05-17 |
KR100638777B1 (ko) | 2006-10-30 |
JP2005347892A (ja) | 2005-12-15 |
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