CN1707806B - 在半导体衬底中形成的螺旋电感以及形成该电感的方法 - Google Patents
在半导体衬底中形成的螺旋电感以及形成该电感的方法 Download PDFInfo
- Publication number
- CN1707806B CN1707806B CN2004100558476A CN200410055847A CN1707806B CN 1707806 B CN1707806 B CN 1707806B CN 2004100558476 A CN2004100558476 A CN 2004100558476A CN 200410055847 A CN200410055847 A CN 200410055847A CN 1707806 B CN1707806 B CN 1707806B
- Authority
- CN
- China
- Prior art keywords
- semiconductor substrate
- inductor
- lead
- substrate
- zone
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/20—Inductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
- H10W20/497—Inductive arrangements or effects of, or between, wiring layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/0046—Printed inductances with a conductive path having a bridge
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/903—FET configuration adapted for use as static memory cell
- Y10S257/904—FET configuration adapted for use as static memory cell with passive components,, e.g. polysilicon resistors
-
- 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
-
- 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
- Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
-
- 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
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Integrated Circuits (AREA)
- Coils Or Transformers For Communication (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/646,997 US7075167B2 (en) | 2003-08-22 | 2003-08-22 | Spiral inductor formed in a semiconductor substrate |
| US10/646,997 | 2003-08-22 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810210288XA Division CN101345242B (zh) | 2003-08-22 | 2004-08-04 | 在半导体衬底中形成的螺旋电感以及形成该电感的方法 |
| CN201010115825XA Division CN101794775B (zh) | 2003-08-22 | 2004-08-04 | 在半导体衬底中形成的螺旋电感以及形成该电感的方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1707806A CN1707806A (zh) | 2005-12-14 |
| CN1707806B true CN1707806B (zh) | 2010-08-18 |
Family
ID=34136607
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100558476A Expired - Lifetime CN1707806B (zh) | 2003-08-22 | 2004-08-04 | 在半导体衬底中形成的螺旋电感以及形成该电感的方法 |
| CN201010115825XA Expired - Lifetime CN101794775B (zh) | 2003-08-22 | 2004-08-04 | 在半导体衬底中形成的螺旋电感以及形成该电感的方法 |
| CN200810210288XA Expired - Lifetime CN101345242B (zh) | 2003-08-22 | 2004-08-04 | 在半导体衬底中形成的螺旋电感以及形成该电感的方法 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010115825XA Expired - Lifetime CN101794775B (zh) | 2003-08-22 | 2004-08-04 | 在半导体衬底中形成的螺旋电感以及形成该电感的方法 |
| CN200810210288XA Expired - Lifetime CN101345242B (zh) | 2003-08-22 | 2004-08-04 | 在半导体衬底中形成的螺旋电感以及形成该电感的方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US7075167B2 (https=) |
| EP (2) | EP1513170B1 (https=) |
| JP (2) | JP2005072588A (https=) |
| KR (1) | KR101084959B1 (https=) |
| CN (3) | CN1707806B (https=) |
| SG (1) | SG109577A1 (https=) |
| TW (2) | TWI412119B (https=) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7075167B2 (en) * | 2003-08-22 | 2006-07-11 | Agere Systems Inc. | Spiral inductor formed in a semiconductor substrate |
| US7205632B2 (en) * | 2004-04-05 | 2007-04-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Anti-scattering attenuator structure for high energy particle radiation into integrated circuits |
| US7215000B2 (en) * | 2004-08-23 | 2007-05-08 | Texas Instruments Incorporated | Selectively encased surface metal structures in a semiconductor device |
| JP2007049115A (ja) * | 2005-07-13 | 2007-02-22 | Seiko Epson Corp | 半導体装置 |
| GB2440365A (en) * | 2006-07-21 | 2008-01-30 | X Fab Uk Ltd | A semiconductor device |
| US7935607B2 (en) * | 2007-04-09 | 2011-05-03 | Freescale Semiconductor, Inc. | Integrated passive device with a high resistivity substrate and method for forming the same |
| KR100947933B1 (ko) * | 2007-08-28 | 2010-03-15 | 주식회사 동부하이텍 | 인덕터 및 그 제조 방법 |
| CN101442048B (zh) * | 2007-11-23 | 2010-09-08 | 上海华虹Nec电子有限公司 | 射频cmos集成电感中的接地环结构 |
| CN101924102B (zh) * | 2009-06-15 | 2013-07-31 | 慧国(上海)软件科技有限公司 | 半导体装置 |
| JP2011040882A (ja) * | 2009-08-07 | 2011-02-24 | Sony Corp | 高周波デバイス |
| JP2011049397A (ja) * | 2009-08-27 | 2011-03-10 | Sony Corp | 高周波デバイス |
| TWI412114B (zh) * | 2009-12-31 | 2013-10-11 | 日月光半導體製造股份有限公司 | 半導體封裝結構及其製造方法 |
| TWI436463B (zh) * | 2009-12-31 | 2014-05-01 | 日月光半導體製造股份有限公司 | 半導體封裝結構及其製造方法 |
| US8710622B2 (en) * | 2011-11-17 | 2014-04-29 | Harris Corporation | Defected ground plane inductor |
| US8580647B2 (en) * | 2011-12-19 | 2013-11-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Inductors with through VIAS |
| CN108878117A (zh) * | 2014-11-14 | 2018-11-23 | 乾坤科技股份有限公司 | 无基板电子组件及其制造方法 |
| US9484297B2 (en) | 2015-03-13 | 2016-11-01 | Globalfoundries Inc. | Semiconductor device having non-magnetic single core inductor and method of producing the same |
| US10075132B2 (en) | 2015-03-24 | 2018-09-11 | Nxp Usa, Inc. | RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof |
| US9509251B2 (en) | 2015-03-24 | 2016-11-29 | Freescale Semiconductor, Inc. | RF amplifier module and methods of manufacture thereof |
| US9871107B2 (en) * | 2015-05-22 | 2018-01-16 | Nxp Usa, Inc. | Device with a conductive feature formed over a cavity and method therefor |
| US9787254B2 (en) | 2015-09-23 | 2017-10-10 | Nxp Usa, Inc. | Encapsulated semiconductor device package with heatsink opening, and methods of manufacture thereof |
| US11373803B2 (en) * | 2017-08-11 | 2022-06-28 | Applied Materials, Inc. | Method of forming a magnetic core on a substrate |
| US10672704B2 (en) * | 2017-11-30 | 2020-06-02 | Taiwan Semiconductor Manufacturing Company Ltd. | Semiconductor device with polygonal inductive device |
| CN108133101B (zh) * | 2017-12-21 | 2021-09-24 | 上海华力微电子有限公司 | 一种电感版图之辅助层及器件参数抽取的方法 |
| US10535635B2 (en) | 2018-06-15 | 2020-01-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Second semiconductor wafer attached to a first semiconductor wafer with a through hole connected to an inductor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6429504B1 (en) * | 2000-05-16 | 2002-08-06 | Tyco Electronics Corporation | Multilayer spiral inductor and integrated circuits incorporating the same |
| US6503838B1 (en) * | 1999-12-31 | 2003-01-07 | Texas Instruments Incorporated | Integrated circuit isolation of functionally distinct RF circuits |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5227659A (en) * | 1990-06-08 | 1993-07-13 | Trustees Of Boston University | Integrated circuit inductor |
| JPH0677407A (ja) * | 1992-04-06 | 1994-03-18 | Nippon Precision Circuits Kk | 半導体装置 |
| CA2124197A1 (en) * | 1992-09-24 | 1994-03-31 | Robert F. Mcclanahan | Dielectric vias within multi-layer 3-dimensional structural/substrates |
| WO1994017558A1 (en) * | 1993-01-29 | 1994-08-04 | The Regents Of The University Of California | Monolithic passive component |
| US5370766A (en) * | 1993-08-16 | 1994-12-06 | California Micro Devices | Methods for fabrication of thin film inductors, inductor networks and integration with other passive and active devices |
| US5446311A (en) * | 1994-09-16 | 1995-08-29 | International Business Machines Corporation | High-Q inductors in silicon technology without expensive metalization |
| JP2904086B2 (ja) * | 1995-12-27 | 1999-06-14 | 日本電気株式会社 | 半導体装置およびその製造方法 |
| US6492705B1 (en) * | 1996-06-04 | 2002-12-10 | Intersil Corporation | Integrated circuit air bridge structures and methods of fabricating same |
| US5736749A (en) * | 1996-11-19 | 1998-04-07 | Lucent Technologies Inc. | Integrated circuit device with inductor incorporated therein |
| TW327253B (en) * | 1997-05-23 | 1998-02-21 | Vanguard Int Semiconduct Corp | The manufacturing method of metallization for IC |
| US6160303A (en) * | 1997-08-29 | 2000-12-12 | Texas Instruments Incorporated | Monolithic inductor with guard rings |
| US6153489A (en) * | 1997-12-22 | 2000-11-28 | Electronics And Telecommunications Research Institute | Fabrication method of inductor devices using a substrate conversion technique |
| TW363278B (en) * | 1998-01-16 | 1999-07-01 | Winbond Electronics Corp | Preparation method for semiconductor to increase the inductive resonance frequency and Q value |
| TW367623B (en) * | 1998-02-20 | 1999-08-21 | Winbond Electronic Corp | High Q value inductor and forming method thereof |
| US6025261A (en) * | 1998-04-29 | 2000-02-15 | Micron Technology, Inc. | Method for making high-Q inductive elements |
| JPH11354330A (ja) | 1998-06-08 | 1999-12-24 | Mitsubishi Materials Corp | 積層チップ部品およびその使用方法 |
| US6426267B2 (en) * | 1998-06-19 | 2002-07-30 | Winbond Electronics Corp. | Method for fabricating high-Q inductance device in monolithic technology |
| JP2000022085A (ja) * | 1998-06-29 | 2000-01-21 | Toshiba Corp | 半導体装置及びその製造方法 |
| US6249191B1 (en) * | 1998-11-23 | 2001-06-19 | Micron Technology, Inc. | Monolithic integrated circuit oscillators, complementary metal oxide semiconductor (CMOS) voltage-controlled oscillators, integrated circuit oscillators, oscillator-forming methods, and oscillation methods |
| US6083802A (en) * | 1998-12-31 | 2000-07-04 | Winbond Electronics Corporation | Method for forming an inductor |
| US6310387B1 (en) * | 1999-05-03 | 2001-10-30 | Silicon Wave, Inc. | Integrated circuit inductor with high self-resonance frequency |
| US6140197A (en) * | 1999-08-30 | 2000-10-31 | Chartered Semiconductor Manufacturing Ltd. | Method of making spiral-type RF inductors having a high quality factor (Q) |
| JP2001168288A (ja) * | 1999-12-13 | 2001-06-22 | Seiko Epson Corp | 半導体装置 |
| JP2001223331A (ja) * | 2000-02-07 | 2001-08-17 | Sony Corp | 半導体装置及びその製造方法 |
| US6800533B1 (en) | 2000-03-06 | 2004-10-05 | Chartered Semiconductor Manufacturing Ltd. | Integrated vertical spiral inductor on semiconductor material |
| JP2002009299A (ja) * | 2000-04-17 | 2002-01-11 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
| US6420773B1 (en) * | 2000-10-04 | 2002-07-16 | Winbond Electronics Corp. | Multi-level spiral inductor structure having high inductance (L) and high quality factor (Q) |
| JP2002164512A (ja) * | 2000-11-28 | 2002-06-07 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| US6534843B2 (en) * | 2001-02-10 | 2003-03-18 | International Business Machines Corporation | High Q inductor with faraday shield and dielectric well buried in substrate |
| US6712983B2 (en) * | 2001-04-12 | 2004-03-30 | Memsic, Inc. | Method of etching a deep trench in a substrate and method of fabricating on-chip devices and micro-machined structures using the same |
| JP3666411B2 (ja) * | 2001-05-07 | 2005-06-29 | ソニー株式会社 | 高周波モジュール装置 |
| JP4355128B2 (ja) * | 2002-07-04 | 2009-10-28 | 富士通マイクロエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
| US7075167B2 (en) * | 2003-08-22 | 2006-07-11 | Agere Systems Inc. | Spiral inductor formed in a semiconductor substrate |
-
2003
- 2003-08-22 US US10/646,997 patent/US7075167B2/en not_active Expired - Lifetime
-
2004
- 2004-06-29 TW TW093119217A patent/TWI412119B/zh not_active IP Right Cessation
- 2004-06-29 TW TW102102447A patent/TWI418017B/zh not_active IP Right Cessation
- 2004-08-04 CN CN2004100558476A patent/CN1707806B/zh not_active Expired - Lifetime
- 2004-08-04 CN CN201010115825XA patent/CN101794775B/zh not_active Expired - Lifetime
- 2004-08-04 CN CN200810210288XA patent/CN101345242B/zh not_active Expired - Lifetime
- 2004-08-18 SG SG200404702A patent/SG109577A1/en unknown
- 2004-08-20 KR KR1020040065903A patent/KR101084959B1/ko not_active Expired - Lifetime
- 2004-08-20 EP EP04255018.6A patent/EP1513170B1/en not_active Expired - Lifetime
- 2004-08-20 JP JP2004240186A patent/JP2005072588A/ja active Pending
- 2004-08-20 EP EP07075479.1A patent/EP1830402B1/en not_active Expired - Lifetime
-
2006
- 2006-05-19 US US11/419,252 patent/US7381607B2/en not_active Expired - Lifetime
-
2007
- 2007-08-13 JP JP2007210590A patent/JP2007300143A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6503838B1 (en) * | 1999-12-31 | 2003-01-07 | Texas Instruments Incorporated | Integrated circuit isolation of functionally distinct RF circuits |
| US6429504B1 (en) * | 2000-05-16 | 2002-08-06 | Tyco Electronics Corporation | Multilayer spiral inductor and integrated circuits incorporating the same |
Non-Patent Citations (1)
| Title |
|---|
| US 6503838 B1,附图12、说明书第1栏第12-16行、第4栏第3行-第5栏第55行. |
Also Published As
| Publication number | Publication date |
|---|---|
| US7075167B2 (en) | 2006-07-11 |
| EP1513170A3 (en) | 2005-05-25 |
| US20070107206A1 (en) | 2007-05-17 |
| CN101345242A (zh) | 2009-01-14 |
| JP2007300143A (ja) | 2007-11-15 |
| TW200509370A (en) | 2005-03-01 |
| CN101794775A (zh) | 2010-08-04 |
| JP2005072588A (ja) | 2005-03-17 |
| TWI412119B (zh) | 2013-10-11 |
| KR101084959B1 (ko) | 2011-11-23 |
| KR20050020707A (ko) | 2005-03-04 |
| EP1513170B1 (en) | 2014-09-24 |
| EP1830402B1 (en) | 2015-06-17 |
| TWI418017B (zh) | 2013-12-01 |
| CN1707806A (zh) | 2005-12-14 |
| CN101794775B (zh) | 2011-12-28 |
| US20050040471A1 (en) | 2005-02-24 |
| EP1830402A3 (en) | 2007-10-17 |
| EP1513170A2 (en) | 2005-03-09 |
| CN101345242B (zh) | 2010-07-21 |
| TW201330228A (zh) | 2013-07-16 |
| US7381607B2 (en) | 2008-06-03 |
| EP1830402A2 (en) | 2007-09-05 |
| SG109577A1 (en) | 2005-03-30 |
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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 | ||
| C56 | Change in the name or address of the patentee |
Owner name: AGERE SYSTEMS GUARDIAN CORP. Free format text: FORMER NAME: EGREE SYSTEM CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: Delaware Patentee after: Agere Systems Inc. Address before: New jersey, USA Patentee before: AGERE SYSTEMS Inc. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: American Pennsylvania Patentee after: Agere Systems Inc. Address before: Delaware Patentee before: Agere Systems Inc. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20160906 Address after: Singapore Singapore Patentee after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: American Pennsylvania Patentee before: Agere Systems Inc. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200123 Address after: Illinois, USA Patentee after: Bell Semiconductor Co.,Ltd. Address before: Singapore City Patentee before: Avago Technologies General IP (Singapore) Pte. Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100818 |