CN101188875A - 压电麦克风 - Google Patents
压电麦克风 Download PDFInfo
- Publication number
- CN101188875A CN101188875A CNA2007101651033A CN200710165103A CN101188875A CN 101188875 A CN101188875 A CN 101188875A CN A2007101651033 A CNA2007101651033 A CN A2007101651033A CN 200710165103 A CN200710165103 A CN 200710165103A CN 101188875 A CN101188875 A CN 101188875A
- Authority
- CN
- China
- Prior art keywords
- microphone
- audio signal
- signal
- substrate
- electronic installation
- 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
- 230000005236 sound signal Effects 0.000 claims abstract description 55
- 239000000758 substrate Substances 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims description 25
- 238000005538 encapsulation Methods 0.000 claims description 19
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 26
- 239000000463 material Substances 0.000 description 17
- 238000002955 isolation Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 235000012431 wafers Nutrition 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000005360 phosphosilicate glass Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010979 ruby Substances 0.000 description 2
- 229910001750 ruby Inorganic materials 0.000 description 2
- 230000010415 tropism Effects 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/02—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/005—Electrostatic transducers using semiconductor materials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/05—Noise reduction with a separate noise microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
Claims (26)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/588,752 US8369555B2 (en) | 2006-10-27 | 2006-10-27 | Piezoelectric microphones |
US11/588,752 | 2006-10-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101188875A true CN101188875A (zh) | 2008-05-28 |
CN101188875B CN101188875B (zh) | 2016-06-08 |
Family
ID=39244594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710165103.3A Expired - Fee Related CN101188875B (zh) | 2006-10-27 | 2007-10-29 | 压电麦克风 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8369555B2 (zh) |
JP (1) | JP2008118639A (zh) |
KR (1) | KR20080038038A (zh) |
CN (1) | CN101188875B (zh) |
DE (1) | DE102007050410B4 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101941669A (zh) * | 2009-07-07 | 2011-01-12 | 罗姆股份有限公司 | Mems传感器、硅麦克风以及压力传感器 |
CN102165521B (zh) * | 2008-09-30 | 2012-11-07 | 苹果公司 | 多个麦克风切换和配置 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4793207B2 (ja) * | 2006-09-29 | 2011-10-12 | パナソニック電工株式会社 | マイクロホン装置、および音響装置 |
US20080283944A1 (en) * | 2007-05-18 | 2008-11-20 | Geefay Frank S | PHOTOSTRUCTURABLE GLASS MICROELECTROMECHANICAL (MEMs) DEVICES AND METHODS OF MANUFACTURE |
US8767975B2 (en) * | 2007-06-21 | 2014-07-01 | Bose Corporation | Sound discrimination method and apparatus |
US8611554B2 (en) | 2008-04-22 | 2013-12-17 | Bose Corporation | Hearing assistance apparatus |
JP2009284111A (ja) * | 2008-05-20 | 2009-12-03 | Funai Electric Advanced Applied Technology Research Institute Inc | 集積回路装置及び音声入力装置、並びに、情報処理システム |
US8467548B2 (en) * | 2009-04-07 | 2013-06-18 | The United States Of America As Represented By The Secretary Of The Navy | Miniature micro-electromechanical system (MEMS) based directional sound sensor |
US8406084B2 (en) * | 2009-11-20 | 2013-03-26 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Transducer device having coupled resonant elements |
US20110182443A1 (en) * | 2010-01-26 | 2011-07-28 | Gant Anthony W | Electronic device having a contact microphone |
US8724832B2 (en) | 2011-08-30 | 2014-05-13 | Qualcomm Mems Technologies, Inc. | Piezoelectric microphone fabricated on glass |
US8824706B2 (en) | 2011-08-30 | 2014-09-02 | Qualcomm Mems Technologies, Inc. | Piezoelectric microphone fabricated on glass |
US9749515B2 (en) * | 2012-02-19 | 2017-08-29 | Jack J. McCauley | System and methods for wireless remote control over cameras with audio processing to generate a refined audio signal |
US9432759B2 (en) | 2013-07-22 | 2016-08-30 | Infineon Technologies Ag | Surface mountable microphone package, a microphone arrangement, a mobile phone and a method for recording microphone signals |
US20150162523A1 (en) | 2013-12-06 | 2015-06-11 | Murata Manufacturing Co., Ltd. | Piezoelectric device |
US9532125B2 (en) * | 2014-06-06 | 2016-12-27 | Cirrus Logic, Inc. | Noise cancellation microphones with shared back volume |
US9860620B2 (en) * | 2014-06-17 | 2018-01-02 | Dell Products L.P. | Method for forming a layered structural member |
CN104837099A (zh) * | 2015-02-03 | 2015-08-12 | 中国工程物理研究院电子工程研究所 | 膜片上fbar结构的微麦克风 |
US9602930B2 (en) | 2015-03-31 | 2017-03-21 | Qualcomm Incorporated | Dual diaphragm microphone |
KR101827276B1 (ko) * | 2016-05-13 | 2018-03-22 | 엘지전자 주식회사 | 전자 장치 및 그 제어 방법 |
KR101758017B1 (ko) * | 2016-05-20 | 2017-07-13 | 소스트 주식회사 | 피에조 멤스 마이크로폰 및 그 제조방법 |
US11716576B2 (en) | 2021-02-19 | 2023-08-01 | Skyworks Solutions, Inc. | Dummy electrodes for performance improvement of piezoelectric microelectromechanical system microphones |
US11979712B2 (en) | 2021-07-01 | 2024-05-07 | Skyworks Solutions, Inc. | Extension structures in piezoelectric microelectromechanical system microphones |
US12101601B2 (en) | 2021-09-07 | 2024-09-24 | Skyworks Solutions, Inc. | Piezoelectric microelectromechanical system microphone with optimized output capacitance |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1797544A (zh) * | 2004-12-30 | 2006-07-05 | 华为技术有限公司 | 一种无线终端语音处理的方法及装置 |
CN1828245A (zh) * | 2005-03-04 | 2006-09-06 | 安捷伦科技有限公司 | 带有运动板的薄膜体声波谐振器 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2511570A1 (fr) * | 1981-08-11 | 1983-02-18 | Thomson Csf | Transducteur electroacoustique a polymere piezoelectrique |
JPH0422630Y2 (zh) * | 1985-09-20 | 1992-05-25 | ||
US5029216A (en) * | 1989-06-09 | 1991-07-02 | The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration | Visual aid for the hearing impaired |
JP3074952B2 (ja) | 1992-08-18 | 2000-08-07 | 日本電気株式会社 | 雑音除去装置 |
JP3334353B2 (ja) | 1994-09-02 | 2002-10-15 | ソニー株式会社 | 聴覚補助装置 |
JPH08256196A (ja) * | 1995-03-17 | 1996-10-01 | Casio Comput Co Ltd | 音声入力装置および電話機 |
US5793875A (en) * | 1996-04-22 | 1998-08-11 | Cardinal Sound Labs, Inc. | Directional hearing system |
US5757933A (en) * | 1996-12-11 | 1998-05-26 | Micro Ear Technology, Inc. | In-the-ear hearing aid with directional microphone system |
NL1007321C2 (nl) * | 1997-10-20 | 1999-04-21 | Univ Delft Tech | Gehoorinrichting voor het verbeteren van de verstaanbaarheid voor slechthorenden. |
US6265246B1 (en) * | 1999-07-23 | 2001-07-24 | Agilent Technologies, Inc. | Microcap wafer-level package |
US7166910B2 (en) * | 2000-11-28 | 2007-01-23 | Knowles Electronics Llc | Miniature silicon condenser microphone |
JP2002218583A (ja) * | 2001-01-17 | 2002-08-02 | Sony Corp | 音場合成演算方法及び装置 |
JP2002345074A (ja) * | 2001-05-15 | 2002-11-29 | Matsushita Electric Ind Co Ltd | 集音装置 |
JP2003078987A (ja) * | 2001-09-04 | 2003-03-14 | Matsushita Electric Ind Co Ltd | マイクロホン装置 |
JP3945292B2 (ja) * | 2002-04-10 | 2007-07-18 | 松下電器産業株式会社 | ダイヤフラム型トランスデューサ |
JP4348706B2 (ja) * | 2002-10-08 | 2009-10-21 | 日本電気株式会社 | アレイ装置および携帯端末 |
US6777267B2 (en) * | 2002-11-01 | 2004-08-17 | Agilent Technologies, Inc. | Die singulation using deep silicon etching |
JP4286637B2 (ja) | 2002-11-18 | 2009-07-01 | パナソニック株式会社 | マイクロホン装置および再生装置 |
US7577262B2 (en) * | 2002-11-18 | 2009-08-18 | Panasonic Corporation | Microphone device and audio player |
US7806525B2 (en) * | 2003-10-09 | 2010-10-05 | Ipventure, Inc. | Eyeglasses having a camera |
US6777263B1 (en) * | 2003-08-21 | 2004-08-17 | Agilent Technologies, Inc. | Film deposition to enhance sealing yield of microcap wafer-level package with vias |
JP4266148B2 (ja) * | 2003-09-30 | 2009-05-20 | 株式会社東芝 | 電子機器 |
JP3875240B2 (ja) * | 2004-03-31 | 2007-01-31 | 株式会社東芝 | 電子部品の製造方法 |
JP2006086747A (ja) * | 2004-09-15 | 2006-03-30 | Mitsumi Electric Co Ltd | ヘッドセット装置 |
EP1821569A1 (en) * | 2004-12-07 | 2007-08-22 | NTT DoCoMo, Inc. | Microphone device |
KR100615711B1 (ko) * | 2005-01-25 | 2006-08-25 | 삼성전자주식회사 | 필름 벌크 어쿠스틱 공진기를 이용한 대역 필터 및 그제조방법. |
JP2006222901A (ja) * | 2005-02-14 | 2006-08-24 | Hitachi Software Eng Co Ltd | 動画再生支援方法、動画再生支援プログラム、サーバ装置及びコンピュータシステム |
KR200394796Y1 (ko) | 2005-05-16 | 2005-09-07 | 이시동 | 도플러마이크로폰 |
-
2006
- 2006-10-27 US US11/588,752 patent/US8369555B2/en active Active
-
2007
- 2007-10-22 DE DE102007050410A patent/DE102007050410B4/de not_active Expired - Fee Related
- 2007-10-25 KR KR1020070107870A patent/KR20080038038A/ko active Search and Examination
- 2007-10-26 JP JP2007278916A patent/JP2008118639A/ja active Pending
- 2007-10-29 CN CN200710165103.3A patent/CN101188875B/zh not_active Expired - Fee Related
-
2012
- 2012-12-21 US US13/724,208 patent/US20130114822A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1797544A (zh) * | 2004-12-30 | 2006-07-05 | 华为技术有限公司 | 一种无线终端语音处理的方法及装置 |
CN1828245A (zh) * | 2005-03-04 | 2006-09-06 | 安捷伦科技有限公司 | 带有运动板的薄膜体声波谐振器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102165521B (zh) * | 2008-09-30 | 2012-11-07 | 苹果公司 | 多个麦克风切换和配置 |
CN101941669A (zh) * | 2009-07-07 | 2011-01-12 | 罗姆股份有限公司 | Mems传感器、硅麦克风以及压力传感器 |
Also Published As
Publication number | Publication date |
---|---|
US20080101625A1 (en) | 2008-05-01 |
CN101188875B (zh) | 2016-06-08 |
US8369555B2 (en) | 2013-02-05 |
DE102007050410A1 (de) | 2008-04-30 |
US20130114822A1 (en) | 2013-05-09 |
KR20080038038A (ko) | 2008-05-02 |
JP2008118639A (ja) | 2008-05-22 |
DE102007050410B4 (de) | 2013-01-31 |
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PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT Free format text: FORMER OWNER: AVAGO TECHNOLOGIES WIRELESS IP Effective date: 20130522 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20130522 Address after: Singapore Singapore Applicant after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: Singapore Singapore Applicant before: Avago Technologies Wireless IP |
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C14 | Grant of patent or utility model | ||
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Effective date of registration: 20181010 Address after: Singapore Singapore Patentee after: Annwa high tech Limited by Share Ltd Address before: Singapore Singapore Patentee before: Avago Technologies Fiber IP Singapore Pte. Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20201029 |