CN100477518C - 天线双工器和表面声波滤波器 - Google Patents
天线双工器和表面声波滤波器 Download PDFInfo
- Publication number
- CN100477518C CN100477518C CNB2006101089573A CN200610108957A CN100477518C CN 100477518 C CN100477518 C CN 100477518C CN B2006101089573 A CNB2006101089573 A CN B2006101089573A CN 200610108957 A CN200610108957 A CN 200610108957A CN 100477518 C CN100477518 C CN 100477518C
- Authority
- CN
- China
- Prior art keywords
- resonator
- msub
- mrow
- filter
- capacitor
- 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.)
- Active
Links
- 238000010897 surface acoustic wave method Methods 0.000 title claims description 25
- 239000003990 capacitor Substances 0.000 claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 15
- 239000003989 dielectric material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 35
- 230000000052 comparative effect Effects 0.000 description 24
- 239000010408 film Substances 0.000 description 10
- 239000000470 constituent Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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
- H03H9/25—Constructional features of resonators 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
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
-
- 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
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
- H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] devices
-
- 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
-
- 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
-
- 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
- H03H9/703—Networks using bulk acoustic wave devices
- H03H9/706—Duplexers
-
- 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
-
- 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)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005219254A JP2007036856A (ja) | 2005-07-28 | 2005-07-28 | 共振器、フィルタおよびアンテナ分波器 |
JP2005219254 | 2005-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1905365A CN1905365A (zh) | 2007-01-31 |
CN100477518C true CN100477518C (zh) | 2009-04-08 |
Family
ID=37311809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006101089573A Active CN100477518C (zh) | 2005-07-28 | 2006-07-28 | 天线双工器和表面声波滤波器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7683736B2 (zh) |
EP (1) | EP1750371A1 (zh) |
JP (1) | JP2007036856A (zh) |
KR (1) | KR100849741B1 (zh) |
CN (1) | CN100477518C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI619313B (zh) * | 2016-04-29 | 2018-03-21 | 和碩聯合科技股份有限公司 | 電子裝置及其雙頻印刷式天線 |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4680727B2 (ja) * | 2005-09-08 | 2011-05-11 | 株式会社日立メディアエレクトロニクス | 共振器型フィルタ |
JP2010011300A (ja) | 2008-06-30 | 2010-01-14 | Murata Mfg Co Ltd | 共振器、該共振器を用いるフィルタ及びデュプレクサ |
DE102008045346B4 (de) * | 2008-09-01 | 2018-06-07 | Snaptrack Inc. | Duplexer und Verfahren zum Erhöhen der Isolation zwischen zwei Filtern |
JP5332506B2 (ja) * | 2008-10-28 | 2013-11-06 | 株式会社村田製作所 | ラダー型フィルタ及びそれを備えるデュプレクサ |
JP2010109894A (ja) * | 2008-10-31 | 2010-05-13 | Fujitsu Ltd | 弾性波フィルタ、デュープレクサ、通信モジュール、および通信装置 |
JP5183459B2 (ja) | 2008-12-26 | 2013-04-17 | 太陽誘電株式会社 | 分波器、分波器用基板および電子装置 |
EP2446532B1 (en) * | 2009-06-26 | 2016-08-10 | Smartcom Bulgaria Ad | Filter circuit |
JP2011030208A (ja) * | 2009-07-03 | 2011-02-10 | Panasonic Corp | 弾性波フィルタ及びこれを用いたデュプレクサ |
KR101616941B1 (ko) * | 2009-09-07 | 2016-04-29 | 삼성전자주식회사 | 체적 탄성파 공진기를 이용한 위상 천이 장치 |
JP5389590B2 (ja) * | 2009-09-28 | 2014-01-15 | 太陽誘電株式会社 | フィルタ |
JP5528791B2 (ja) * | 2009-12-28 | 2014-06-25 | 京セラ株式会社 | 弾性波装置および弾性波装置の製造方法ならびに実装基板に弾性波装置が実装された装置 |
DE112011100580B4 (de) | 2010-05-13 | 2017-02-09 | Murata Manufacturing Co., Ltd. | Vorrichtung für elastische Wellen |
JP2012049758A (ja) * | 2010-08-26 | 2012-03-08 | Taiyo Yuden Co Ltd | フィルタ及びデュープレクサ |
JP5781827B2 (ja) | 2011-05-11 | 2015-09-24 | 太陽誘電株式会社 | ラダーフィルタ、分波器及びモジュール |
JP5459452B1 (ja) * | 2012-08-30 | 2014-04-02 | 株式会社村田製作所 | フィルタ装置及びデュプレクサ |
CN102916675B (zh) * | 2012-09-17 | 2018-03-23 | 天津大学 | 压电声波滤波器和芯片封装结构 |
JP6112654B2 (ja) * | 2013-01-29 | 2017-04-12 | 太陽誘電株式会社 | モジュール |
US9038005B2 (en) * | 2013-03-15 | 2015-05-19 | Resonant Inc. | Network synthesis design of microwave acoustic wave filters |
CN105247786B (zh) * | 2013-05-28 | 2018-01-12 | 株式会社村田制作所 | 可调谐滤波器 |
WO2015053045A1 (ja) * | 2013-10-10 | 2015-04-16 | 株式会社村田製作所 | 高周波フロントエンド回路 |
JP6308221B2 (ja) * | 2013-12-13 | 2018-04-11 | 株式会社村田製作所 | 周波数可変フィルタ |
JP6323464B2 (ja) * | 2013-12-27 | 2018-05-16 | 株式会社村田製作所 | 高周波フィルタ |
KR102426563B1 (ko) * | 2015-05-11 | 2022-07-27 | 스냅트랙, 인코포레이티드 | 열등한 전기 접지의 보상을 갖는 필터 어레인지먼트 |
US10135422B2 (en) * | 2015-10-01 | 2018-11-20 | Skyworks Filter Solutions Japan Co., Ltd. | Filter devices having improved attenuation characteristics |
JP6822764B2 (ja) * | 2015-12-17 | 2021-01-27 | Tdk株式会社 | 分波器 |
JP6743396B2 (ja) | 2016-01-25 | 2020-08-19 | Tdk株式会社 | バンドパスフィルタおよび分波器 |
US10491193B2 (en) * | 2016-05-13 | 2019-11-26 | Qorvo Us, Inc. | Circuit for suppressing signals adjacent to a passband |
JP6750676B2 (ja) * | 2016-05-27 | 2020-09-02 | 株式会社村田製作所 | 高周波フィルタ回路、マルチプレクサ、高周波フロントエンド回路及び通信装置 |
JP6590760B2 (ja) * | 2016-06-10 | 2019-10-16 | 太陽誘電株式会社 | 弾性波デバイス |
JP6573851B2 (ja) * | 2016-08-04 | 2019-09-11 | 太陽誘電株式会社 | マルチプレクサ |
US10404234B2 (en) | 2016-09-02 | 2019-09-03 | Skyworks Filter Solutions Japan Co., Ltd. | Filter device with phase compensation, and electronic devices including same |
US10911024B2 (en) * | 2016-10-28 | 2021-02-02 | Kyocera Corporation | Acoustic wave filter, acoustic wave device, multiplexer, and communication apparatus |
US10333484B2 (en) * | 2016-11-08 | 2019-06-25 | Skyworks Solutions, Inc. | Filter modules and filter arrays having inductive impedance |
JP2018088678A (ja) | 2016-11-29 | 2018-06-07 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | 位相をキャンセルするループ回路を含むフィルタ |
WO2018112921A1 (zh) * | 2016-12-23 | 2018-06-28 | 华为技术有限公司 | 滤波器和用于调节滤波器性能的方法 |
CN107508019B (zh) * | 2017-09-11 | 2020-07-28 | 京信通信技术(广州)有限公司 | 双工器 |
CN111133678B (zh) | 2017-09-28 | 2023-08-22 | 株式会社村田制作所 | 滤波器装置、多工器、高频前端电路以及通信装置 |
US10305015B1 (en) | 2017-11-30 | 2019-05-28 | International Business Machines Corporation | Low loss architecture for superconducting qubit circuits |
US10263170B1 (en) | 2017-11-30 | 2019-04-16 | International Business Machines Corporation | Bumped resonator structure |
CN111512548B (zh) * | 2017-12-27 | 2021-02-09 | 株式会社村田制作所 | 弹性波滤波器、多工器、高频前端电路以及通信装置 |
WO2019226683A1 (en) | 2018-05-25 | 2019-11-28 | Skyworks Solutions, Inc. | Filter including acoustic wave resonator in parallel with circuit element |
CN110739930A (zh) | 2018-07-18 | 2020-01-31 | 天工方案公司 | 具有集成消除电路的薄膜体声波谐振器滤波器 |
TWI834692B (zh) | 2018-07-18 | 2024-03-11 | 美商天工方案公司 | 具有諧波抑制的混合式聲音諧振(lc)濾波器 |
US11563421B2 (en) * | 2018-09-21 | 2023-01-24 | Qorvo Us, Inc. | Acoustic structure having tunable parallel resonance frequency |
CN109921758B (zh) * | 2019-03-25 | 2022-03-25 | 合肥联宝信息技术有限公司 | 电路板及滤波电路 |
US20210126625A1 (en) * | 2019-10-24 | 2021-04-29 | Skyworks Solutions, Inc. | Acoustic wave filter with different types of resonators in acoustic filter component and/or multiplexer |
US11757430B2 (en) | 2020-01-07 | 2023-09-12 | Qorvo Us, Inc. | Acoustic filter circuit for noise suppression outside resonance frequency |
CN111327288B (zh) * | 2020-01-14 | 2021-04-16 | 诺思(天津)微系统有限责任公司 | 一种体声波谐振器、超窄带滤波器、双工器及多工器 |
US20220069797A1 (en) * | 2020-08-31 | 2022-03-03 | Qualcomm Incorporated | Substrate comprising acoustic resonators configured as at least one acoustic filter |
CN112398457A (zh) * | 2020-11-24 | 2021-02-23 | 广东广纳芯科技有限公司 | 声表面波滤波器及其制造方法 |
CN112946544B (zh) * | 2021-02-01 | 2022-09-16 | 中国科学院精密测量科学与技术创新研究院 | 一种核磁共振射频线圈双共振检测装置 |
CN113644892B (zh) * | 2021-06-30 | 2024-04-16 | 中国电子科技集团公司第十三研究所 | 带通滤波器 |
CN115882813A (zh) * | 2023-03-08 | 2023-03-31 | 成都频岢微电子有限公司 | 一种基于声表面波-集总元件组合谐振器及带通滤波器 |
CN117955455A (zh) * | 2024-03-25 | 2024-04-30 | 成都频岢微电子有限公司 | 一种窄带滤波器 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2222417A (en) * | 1938-09-24 | 1940-11-19 | Bell Telephone Labor Inc | Wave filter |
US5077545A (en) * | 1990-05-02 | 1991-12-31 | Sawtek, Inc. | Surface acoustic wave waveguide-coupled resonator notch filter |
JPH0661783A (ja) * | 1992-08-14 | 1994-03-04 | Matsushita Electric Ind Co Ltd | 弾性表面波フィルタ |
JP3201017B2 (ja) * | 1992-11-13 | 2001-08-20 | 株式会社村田製作所 | 梯子型弾性表面波フィルタ |
JP3191473B2 (ja) * | 1993-03-09 | 2001-07-23 | 三菱電機株式会社 | 弾性表面波フィルタ |
JP3390537B2 (ja) * | 1994-08-22 | 2003-03-24 | 富士通株式会社 | 弾性表面波フィルタ |
FR2763187B1 (fr) * | 1997-05-07 | 1999-07-02 | Adeunis R F | Systeme de transmission radioelectrique a recepteur equipe d'un dispositif de filtrage de bande de reception a resonateur a ondes de surface |
US5933062A (en) * | 1997-11-04 | 1999-08-03 | Motorola Inc. | Acoustic wave ladder filter with effectively increased coupling coefficient and method of providing same |
US6201457B1 (en) * | 1998-11-18 | 2001-03-13 | Cts Corporation | Notch filter incorporating saw devices and a delay line |
JP2001044790A (ja) * | 1999-07-30 | 2001-02-16 | Kyocera Corp | 弾性表面波装置 |
JP2002223147A (ja) * | 2001-01-29 | 2002-08-09 | Oki Electric Ind Co Ltd | 弾性表面波フィルタ |
JP2002299997A (ja) * | 2001-03-30 | 2002-10-11 | Kyocera Corp | 弾性表面波フィルタ |
US6472954B1 (en) * | 2001-04-23 | 2002-10-29 | Agilent Technologies, Inc. | Controlled effective coupling coefficients for film bulk acoustic resonators |
US6885260B2 (en) * | 2001-05-11 | 2005-04-26 | Ube Industries, Ltd. | Filter using film bulk acoustic resonator and transmission/reception switch |
JP2003069382A (ja) | 2001-08-27 | 2003-03-07 | Matsushita Electric Ind Co Ltd | 弾性表面波フィルタとそれを用いたアンテナ共用器 |
JP2004096539A (ja) | 2002-09-02 | 2004-03-25 | Mitsubishi Electric Corp | フィルタ回路 |
TW540173B (en) * | 2002-05-03 | 2003-07-01 | Asia Pacific Microsystems Inc | Bulk acoustic device having integrated fine-tuning and trimming devices |
JP3855842B2 (ja) | 2002-05-16 | 2006-12-13 | 株式会社村田製作所 | 弾性表面波分波器およびそれを有する通信装置 |
US7030718B1 (en) * | 2002-08-09 | 2006-04-18 | National Semiconductor Corporation | Apparatus and method for extending tuning range of electro-acoustic film resonators |
DE10342991A1 (de) * | 2002-09-18 | 2004-04-22 | Nrs Technologies Inc. | SAW-Filter |
JP4170865B2 (ja) | 2002-09-18 | 2008-10-22 | 日本電波工業株式会社 | Sawフィルタ |
JP2004140738A (ja) * | 2002-10-21 | 2004-05-13 | Toyo Commun Equip Co Ltd | 弾性表面波フィルタ |
JP2004173245A (ja) | 2002-10-30 | 2004-06-17 | Murata Mfg Co Ltd | ラダー型フィルタ、分波器、および通信機 |
EP1565984B1 (en) | 2002-11-19 | 2011-07-27 | Nxp B.V. | Duplexer and method of isolating an rx-band and a tx-band |
JP4144509B2 (ja) * | 2003-01-16 | 2008-09-03 | 株式会社村田製作所 | ラダー型フィルタ、分波器、通信装置 |
DE102004053319A1 (de) | 2004-11-04 | 2006-05-11 | Epcos Ag | Frequenzweiche |
JP4541853B2 (ja) * | 2004-11-25 | 2010-09-08 | 日本電波工業株式会社 | アンテナ分波器およびアンテナ分波器用表面弾性波フィルタ |
-
2005
- 2005-07-28 JP JP2005219254A patent/JP2007036856A/ja active Pending
-
2006
- 2006-07-21 EP EP06253832A patent/EP1750371A1/en not_active Ceased
- 2006-07-27 US US11/493,655 patent/US7683736B2/en active Active
- 2006-07-27 KR KR1020060070613A patent/KR100849741B1/ko active IP Right Grant
- 2006-07-28 CN CNB2006101089573A patent/CN100477518C/zh active Active
Non-Patent Citations (2)
Title |
---|
Saw filters with combined single-mode and double-modesections. S.V.Kiselev,E.I.Fedorov and V.S.Orlov.IEEE ULTRASONICS SYMPOSIUM,Vol.1 . 2002 |
Saw filters with combined single-mode and double-modesections. S.V.Kiselev,E.I.Fedorov and V.S.Orlov.IEEE ULTRASONICS SYMPOSIUM,Vol.1 . 2002 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI619313B (zh) * | 2016-04-29 | 2018-03-21 | 和碩聯合科技股份有限公司 | 電子裝置及其雙頻印刷式天線 |
Also Published As
Publication number | Publication date |
---|---|
KR20070015016A (ko) | 2007-02-01 |
US20070024392A1 (en) | 2007-02-01 |
CN1905365A (zh) | 2007-01-31 |
US7683736B2 (en) | 2010-03-23 |
EP1750371A1 (en) | 2007-02-07 |
JP2007036856A (ja) | 2007-02-08 |
KR100849741B1 (ko) | 2008-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100477518C (zh) | 天线双工器和表面声波滤波器 | |
EP1758246B1 (en) | Filter and antenna duplexer | |
CN103107794B (zh) | 双工器、滤波器和通信模块 | |
JP4255959B2 (ja) | バランスフィルタおよび分波器 | |
CN1913348B (zh) | 分波器和梯形滤波器 | |
US6995631B2 (en) | Ladder filter, branching filter, and communication apparatus | |
US9118303B2 (en) | Filter, duplexer, and communication module | |
US6756864B2 (en) | Branching filter and communication apparatus | |
US7755453B2 (en) | Duplexer | |
EP1758247A2 (en) | Duplexer having matching circuit | |
JP4944889B2 (ja) | 電気的なモジュール | |
WO2012026157A1 (ja) | フィルタ及びデュープレクサ | |
EP2362545A1 (en) | Filter, duplexer and electronic device | |
EP0871288B1 (en) | Surface acoustic wave device | |
US8988162B2 (en) | Filter and duplexer | |
WO2006040923A1 (ja) | 分波器 | |
JP4830037B2 (ja) | フィルタおよびその製造方法並びにアンテナ分波器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TAIYO YUDEN CO., LTD. Free format text: FORMER OWNER: FUJITSU LTD. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20100804 Address after: Kanagawa Co-patentee after: Taiyo Yuden Co., Ltd. Patentee after: Fujitsu Media Devices Ltd Address before: Kanagawa Co-patentee before: Fujitsu Ltd. Patentee before: Fujitsu Media Devices Ltd |
|
ASS | Succession or assignment of patent right |
Owner name: TAIYO YUDEN CO., LTD. Free format text: FORMER OWNER: FUJITSU MEDIA DEVICES LTD Effective date: 20101201 Free format text: FORMER OWNER: TAIYO YUDEN CO., LTD. |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: KANAGAWA PREFECTURE, JAPAN TO: TOKYO, JAPAN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20101201 Address after: Tokyo, Japan, Japan Patentee after: Taiyo Yuden Co., Ltd. Address before: Kanagawa Co-patentee before: Taiyo Yuden Co., Ltd. Patentee before: Fujitsu Media Devices Ltd |