CN103811433B - 一种表面安装封装件 - Google Patents

一种表面安装封装件 Download PDF

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Publication number
CN103811433B
CN103811433B CN201310572275.8A CN201310572275A CN103811433B CN 103811433 B CN103811433 B CN 103811433B CN 201310572275 A CN201310572275 A CN 201310572275A CN 103811433 B CN103811433 B CN 103811433B
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China
Prior art keywords
mount package
surface mount
double
ceramics substrate
semiconductor device
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CN201310572275.8A
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English (en)
Chinese (zh)
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CN103811433A (zh
Inventor
E.C.德尔加多
J.S.格拉泽
B.L.劳登
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General Electric Co
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General Electric Co
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/01Manufacture or treatment
    • H10W70/05Manufacture or treatment of insulating or insulated package substrates, or of interposers, or of redistribution layers
    • H10W70/08Manufacture or treatment of insulating or insulated package substrates, or of interposers, or of redistribution layers by depositing layers on the chip or wafer, e.g. "chip-first" RDLs
    • H10W70/09Manufacture or treatment of insulating or insulated package substrates, or of interposers, or of redistribution layers by depositing layers on the chip or wafer, e.g. "chip-first" RDLs extending onto an encapsulation that laterally surrounds the chip or wafer, e.g. fan-out wafer level package [FOWLP] RDLs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W40/00Arrangements for thermal protection or thermal control
    • H10W40/20Arrangements for cooling
    • H10W40/25Arrangements for cooling characterised by their materials
    • H10W40/255Arrangements for cooling characterised by their materials having a laminate or multilayered structure, e.g. direct bond copper [DBC] ceramic substrates
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/60Insulating or insulated package substrates; Interposers; Redistribution layers
    • H10W70/611Insulating or insulated package substrates; Interposers; Redistribution layers for connecting multiple chips together
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/60Insulating or insulated package substrates; Interposers; Redistribution layers
    • H10W70/611Insulating or insulated package substrates; Interposers; Redistribution layers for connecting multiple chips together
    • H10W70/614Insulating or insulated package substrates; Interposers; Redistribution layers for connecting multiple chips together the multiple chips being integrally enclosed
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/60Insulating or insulated package substrates; Interposers; Redistribution layers
    • H10W70/62Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their interconnections
    • H10W70/65Shapes or dispositions of interconnections
    • H10W70/657Shapes or dispositions of interconnections on sidewalls or bottom surfaces of the package substrates, interposers or redistribution layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/60Insulating or insulated package substrates; Interposers; Redistribution layers
    • H10W70/62Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their interconnections
    • H10W70/65Shapes or dispositions of interconnections
    • H10W70/658Shapes or dispositions of interconnections for devices provided for in groups H10D8/00 - H10D48/00
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/60Insulating or insulated package substrates; Interposers; Redistribution layers
    • H10W70/67Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their insulating layers or insulating parts
    • H10W70/69Insulating materials thereof
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00Package configurations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00Package configurations
    • H10W90/401Package configurations characterised by multiple insulating or insulated package substrates, interposers or RDLs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/01Manufacture or treatment
    • H10W70/05Manufacture or treatment of insulating or insulated package substrates, or of interposers, or of redistribution layers
    • H10W70/093Connecting or disconnecting other interconnections thereto or therefrom, e.g. connecting bond wires or bumps
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/60Insulating or insulated package substrates; Interposers; Redistribution layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/071Connecting or disconnecting
    • H10W72/073Connecting or disconnecting of die-attach connectors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/20Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
    • H10W72/241Dispositions, e.g. layouts
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/20Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
    • H10W72/29Bond pads specially adapted therefor
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/30Die-attach connectors
    • H10W72/351Materials of die-attach connectors
    • H10W72/352Materials of die-attach connectors comprising metals or metalloids, e.g. solders
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/50Bond wires
    • H10W72/59Bond pads specially adapted therefor
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/851Dispositions of multiple connectors or interconnections
    • H10W72/874On different surfaces
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/90Bond pads, in general
    • H10W72/941Dispositions of bond pads
    • H10W72/944Dispositions of multiple bond pads
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/90Bond pads, in general
    • H10W72/951Materials of bond pads
    • H10W72/952Materials of bond pads comprising metals or metalloids, e.g. PbSn, Ag or Cu
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00Package configurations
    • H10W90/10Configurations of laterally-adjacent chips
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00Package configurations
    • H10W90/701Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/731Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
    • H10W90/734Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked insulating package substrate, interposer or RDL

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  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
CN201310572275.8A 2012-11-13 2013-11-13 一种表面安装封装件 Active CN103811433B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/675084 2012-11-13
US13/675,084 US9337163B2 (en) 2012-11-13 2012-11-13 Low profile surface mount package with isolated tab

Publications (2)

Publication Number Publication Date
CN103811433A CN103811433A (zh) 2014-05-21
CN103811433B true CN103811433B (zh) 2019-01-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310572275.8A Active CN103811433B (zh) 2012-11-13 2013-11-13 一种表面安装封装件

Country Status (5)

Country Link
US (1) US9337163B2 (https=)
EP (1) EP2731128B1 (https=)
JP (1) JP6310677B2 (https=)
CN (1) CN103811433B (https=)
TW (1) TWI621240B (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105518865A (zh) * 2013-08-28 2016-04-20 三菱电机株式会社 半导体装置
US9674940B2 (en) 2014-08-14 2017-06-06 Samsung Electronics Co., Ltd. Electronic device and semiconductor package with thermally conductive via
US9613843B2 (en) * 2014-10-13 2017-04-04 General Electric Company Power overlay structure having wirebonds and method of manufacturing same
US9583482B2 (en) * 2015-02-11 2017-02-28 Monolith Semiconductor Inc. High voltage semiconductor devices and methods of making the devices
US9893646B2 (en) 2015-09-30 2018-02-13 General Electric Company System for a low profile, low inductance power switching module
JP6903051B2 (ja) * 2015-10-07 2021-07-14 セラムテック ゲゼルシャフト ミット ベシュレンクテル ハフツングCeramTec GmbH 二面冷却式回路
KR102382635B1 (ko) * 2016-06-09 2022-04-05 매그나칩 반도체 유한회사 전력 반도체의 웨이퍼 레벨 칩 스케일 패키지 및 제조 방법
KR101905995B1 (ko) 2016-11-09 2018-10-10 현대자동차주식회사 양면냉각형 파워모듈
US10804115B2 (en) 2017-08-03 2020-10-13 General Electric Company Electronics package with integrated interconnect structure and method of manufacturing thereof
US10541153B2 (en) 2017-08-03 2020-01-21 General Electric Company Electronics package with integrated interconnect structure and method of manufacturing thereof
US10541209B2 (en) 2017-08-03 2020-01-21 General Electric Company Electronics package including integrated electromagnetic interference shield and method of manufacturing thereof
EP3534394A1 (en) * 2018-02-28 2019-09-04 Infineon Technologies Austria AG Semiconductor package and method of manufacturing a semiconductor package
US10892237B2 (en) 2018-12-14 2021-01-12 General Electric Company Methods of fabricating high voltage semiconductor devices having improved electric field suppression
US11538769B2 (en) 2018-12-14 2022-12-27 General Electric Company High voltage semiconductor devices having improved electric field suppression
US11177804B2 (en) * 2018-12-20 2021-11-16 Sanko Tekstil Isletmeleri San. Ve Tic. A.S. Wearable touch sensitive garment
US11342268B2 (en) * 2020-01-29 2022-05-24 Amkor Technology Singapore Holding Pte. Ltd. Semiconductor devices and methods of manufacturing semiconductor devices
US11398445B2 (en) 2020-05-29 2022-07-26 General Electric Company Mechanical punched via formation in electronics package and electronics package formed thereby
US11817750B2 (en) * 2021-01-14 2023-11-14 GM Global Technology Operations LLC Planar power module with high power density packaging
US11950394B2 (en) 2021-10-12 2024-04-02 Ge Aviation Systems Llc Liquid-cooled assembly and method
US12224222B2 (en) * 2022-01-11 2025-02-11 Infineon Technologies Ag Semiconductor package having a thermally and electrically conductive spacer
CN114400210B (zh) * 2022-01-13 2024-03-05 西安交通大学 一种双面散热芯片倒装的气密性耐高温封装结构
US12322916B2 (en) * 2022-06-22 2025-06-03 Ge Aviation Systems Llc Electronic connection assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5637922A (en) * 1994-02-07 1997-06-10 General Electric Company Wireless radio frequency power semiconductor devices using high density interconnect
US20100230800A1 (en) * 2009-03-13 2010-09-16 Richard Alfred Beaupre Double side cooled power module with power overlay
US20110266665A1 (en) * 2010-04-30 2011-11-03 General Electric Company Press-pack module with power overlay interconnection
CN202042481U (zh) * 2011-03-24 2011-11-16 比亚迪股份有限公司 一种功率模块
CN102740604A (zh) * 2012-07-12 2012-10-17 苏州衡业新材料科技有限公司 制备电子电路绝缘金属基板的方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5959357A (en) * 1998-02-17 1999-09-28 General Electric Company Fet array for operation at different power levels
US6306680B1 (en) 1999-02-22 2001-10-23 General Electric Company Power overlay chip scale packages for discrete power devices
US6994897B2 (en) 2002-11-15 2006-02-07 General Electric Company Method of processing high-resolution flex circuits with low distortion
JP4268560B2 (ja) * 2004-04-27 2009-05-27 大日本印刷株式会社 電子部品内蔵モジュールおよびその製造方法
US7262444B2 (en) 2005-08-17 2007-08-28 General Electric Company Power semiconductor packaging method and structure
JP4550732B2 (ja) * 2005-12-20 2010-09-22 株式会社椿本チエイン 固体潤滑無給油チェーン
US8049338B2 (en) * 2006-04-07 2011-11-01 General Electric Company Power semiconductor module and fabrication method
DE102006021959B4 (de) * 2006-05-10 2011-12-29 Infineon Technologies Ag Leistungshalbleiterbauteil und Verfahren zu dessen Herstellung
US8138587B2 (en) * 2008-09-30 2012-03-20 Infineon Technologies Ag Device including two mounting surfaces
WO2010147202A1 (ja) * 2009-06-19 2010-12-23 株式会社安川電機 電力変換装置
JP5678884B2 (ja) * 2009-08-03 2015-03-04 株式会社安川電機 電力変換装置
US20110209908A1 (en) * 2009-08-06 2011-09-01 Advanced Chip Engineering Technology Inc. Conductor package structure and method of the same
US8120158B2 (en) * 2009-11-10 2012-02-21 Infineon Technologies Ag Laminate electronic device
JP6033215B2 (ja) * 2011-03-29 2016-11-30 ローム株式会社 パワーモジュール半導体装置
JPWO2012133098A1 (ja) * 2011-03-31 2014-07-28 日本ゼオン株式会社 半導体装置及びその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5637922A (en) * 1994-02-07 1997-06-10 General Electric Company Wireless radio frequency power semiconductor devices using high density interconnect
US20100230800A1 (en) * 2009-03-13 2010-09-16 Richard Alfred Beaupre Double side cooled power module with power overlay
US20110266665A1 (en) * 2010-04-30 2011-11-03 General Electric Company Press-pack module with power overlay interconnection
CN202042481U (zh) * 2011-03-24 2011-11-16 比亚迪股份有限公司 一种功率模块
CN102740604A (zh) * 2012-07-12 2012-10-17 苏州衡业新材料科技有限公司 制备电子电路绝缘金属基板的方法

Also Published As

Publication number Publication date
JP6310677B2 (ja) 2018-04-11
EP2731128A2 (en) 2014-05-14
US20140133104A1 (en) 2014-05-15
TW201428935A (zh) 2014-07-16
TWI621240B (zh) 2018-04-11
US9337163B2 (en) 2016-05-10
EP2731128B1 (en) 2021-12-29
CN103811433A (zh) 2014-05-21
JP2014099606A (ja) 2014-05-29
EP2731128A3 (en) 2018-02-07

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