CN106030820B - 具有经改进rds*cgd的ldmos晶体管及形成所述ldmos晶体管的方法 - Google Patents
具有经改进rds*cgd的ldmos晶体管及形成所述ldmos晶体管的方法 Download PDFInfo
- Publication number
- CN106030820B CN106030820B CN201580010177.2A CN201580010177A CN106030820B CN 106030820 B CN106030820 B CN 106030820B CN 201580010177 A CN201580010177 A CN 201580010177A CN 106030820 B CN106030820 B CN 106030820B
- Authority
- CN
- China
- Prior art keywords
- depth
- region
- semiconductor material
- dopant
- drain
- 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
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
- H10D62/151—Source or drain regions of field-effect devices of IGFETs
- H10D62/156—Drain regions of DMOS transistors
- H10D62/157—Impurity concentrations or distributions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0221—Manufacture or treatment of FETs having insulated gates [IGFET] having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended-drain MOSFETs [EDMOS]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0281—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of lateral DMOS [LDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
- H10D30/603—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended drain IGFETs [EDMOS]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
- H10D62/125—Shapes of junctions between the regions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
- H10D62/151—Source or drain regions of field-effect devices of IGFETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/351—Substrate regions of field-effect devices
- H10D62/357—Substrate regions of field-effect devices of FETs
- H10D62/364—Substrate regions of field-effect devices of FETs of IGFETs
- H10D62/371—Inactive supplementary semiconductor regions, e.g. for preventing punch-through, improving capacity effect or leakage current
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/393—Body regions of DMOS transistors or IGBTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/113—Isolations within a component, i.e. internal isolations
- H10D62/115—Dielectric isolations, e.g. air gaps
- H10D62/116—Dielectric isolations, e.g. air gaps adjoining the input or output regions of field-effect devices, e.g. adjoining source or drain regions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P30/00—Ion implantation into wafers, substrates or parts of devices
- H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
- H10P30/202—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the semiconductor materials
- H10P30/204—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the semiconductor materials into Group IV semiconductors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P30/00—Ion implantation into wafers, substrates or parts of devices
- H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
- H10P30/21—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping of electrically active species
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P30/00—Ion implantation into wafers, substrates or parts of devices
- H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
- H10P30/22—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping using masks
- H10P30/221—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping using masks characterised by the angle between the ion beam and the mask
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P30/00—Ion implantation into wafers, substrates or parts of devices
- H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
- H10P30/222—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the angle between the ion beam and the crystal planes or the main crystal surface
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910792601.3A CN110649100B (zh) | 2014-03-06 | 2015-03-06 | 具有经改进rds*cgd的ldmos晶体管及形成所述ldmos晶体管的方法 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461948853P | 2014-03-06 | 2014-03-06 | |
| US61/948,853 | 2014-03-06 | ||
| US14/556,185 US9455332B2 (en) | 2014-03-06 | 2014-11-30 | LDMOS transistor and method of forming the LDMOS transistor with improved Rds*Cgd |
| US14/556,185 | 2014-11-30 | ||
| PCT/US2015/019258 WO2015134909A1 (en) | 2014-03-06 | 2015-03-06 | Ldmos transistor and method of forming the ldmos transistor with improved rds*cgd |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910792601.3A Division CN110649100B (zh) | 2014-03-06 | 2015-03-06 | 具有经改进rds*cgd的ldmos晶体管及形成所述ldmos晶体管的方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106030820A CN106030820A (zh) | 2016-10-12 |
| CN106030820B true CN106030820B (zh) | 2019-09-24 |
Family
ID=54018218
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580010177.2A Active CN106030820B (zh) | 2014-03-06 | 2015-03-06 | 具有经改进rds*cgd的ldmos晶体管及形成所述ldmos晶体管的方法 |
| CN201910792601.3A Active CN110649100B (zh) | 2014-03-06 | 2015-03-06 | 具有经改进rds*cgd的ldmos晶体管及形成所述ldmos晶体管的方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910792601.3A Active CN110649100B (zh) | 2014-03-06 | 2015-03-06 | 具有经改进rds*cgd的ldmos晶体管及形成所述ldmos晶体管的方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (4) | US9455332B2 (https=) |
| JP (1) | JP6574792B2 (https=) |
| CN (2) | CN106030820B (https=) |
| WO (1) | WO2015134909A1 (https=) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701372B (zh) * | 2013-12-06 | 2017-10-27 | 无锡华润上华科技有限公司 | 横向扩散金属氧化物半导体器件及其制造方法 |
| US20160035822A1 (en) * | 2014-07-30 | 2016-02-04 | Freescale Semiconductor, Inc. | High Voltage Semiconductor Devices and Methods for their Fabrication |
| US9893146B1 (en) * | 2016-10-04 | 2018-02-13 | Monolithic Power Systems, Inc. | Lateral DMOS and the method for forming thereof |
| US9865729B1 (en) | 2016-12-20 | 2018-01-09 | Texas Instruments Incorporated | Laterally diffused metal oxide semiconductor with segmented gate oxide |
| US10103258B2 (en) | 2016-12-29 | 2018-10-16 | Texas Instruments Incorporated | Laterally diffused metal oxide semiconductor with gate poly contact within source window |
| US10529804B2 (en) * | 2017-08-21 | 2020-01-07 | Texas Instruments Incorporated | Integrated circuit, LDMOS with trapezoid JFET, bottom gate and ballast drift and fabrication method |
| US10103233B1 (en) | 2017-09-29 | 2018-10-16 | Nxp Usa, Inc. | Transistor die with drain via arrangement, and methods of manufacture thereof |
| CN116759455A (zh) * | 2018-05-25 | 2023-09-15 | 矽力杰半导体技术(杭州)有限公司 | 横向扩散金属氧化物半导体器件和其制造方法 |
| US10672903B2 (en) * | 2018-07-25 | 2020-06-02 | Nxp Usa, Inc. | Semiconductor device with drain active area |
| CN114256131B (zh) * | 2020-09-23 | 2025-08-19 | 无锡华润上华科技有限公司 | 半导体结构的制备方法及半导体结构 |
| US11658240B2 (en) | 2020-10-04 | 2023-05-23 | Globalfoundries Singapore Pte. Ltd. | Semiconductor transistors on multi-layered substrates |
| CN114122113B (zh) * | 2022-01-27 | 2022-05-03 | 江苏游隼微电子有限公司 | 一种高可靠的mosfet功率半导体器件结构 |
| US12336220B2 (en) | 2022-02-24 | 2025-06-17 | Globalfoundries Singapore Pte. Ltd. | Extended-drain metal-oxide-semiconductor devices with a gap between the drain and body wells |
| CN121001375B (zh) * | 2025-10-21 | 2026-01-30 | 合肥晶合集成电路股份有限公司 | 一种ldmos器件的制备方法及ldmos器件 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080164537A1 (en) * | 2007-01-04 | 2008-07-10 | Jun Cai | Integrated complementary low voltage rf-ldmos |
| US20080258215A1 (en) * | 2007-04-23 | 2008-10-23 | Olof Tornblad | LDMOS Device |
| US20110014766A1 (en) * | 2009-03-17 | 2011-01-20 | Alpha And Omega Semiconductor Incorporated | Bottom-drain ldmos power mosfet structure having a top drain strap |
| US20130207186A1 (en) * | 2009-12-02 | 2013-08-15 | Fairchild Semiconductor Corporation | Stepped-source ldmos architecture |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5386136A (en) * | 1991-05-06 | 1995-01-31 | Siliconix Incorporated | Lightly-doped drain MOSFET with improved breakdown characteristics |
| US6168983B1 (en) * | 1996-11-05 | 2001-01-02 | Power Integrations, Inc. | Method of making a high-voltage transistor with multiple lateral conduction layers |
| US6207994B1 (en) * | 1996-11-05 | 2001-03-27 | Power Integrations, Inc. | High-voltage transistor with multi-layer conduction region |
| US6768171B2 (en) * | 2000-11-27 | 2004-07-27 | Power Integrations, Inc. | High-voltage transistor with JFET conduction channels |
| KR100948139B1 (ko) * | 2003-04-09 | 2010-03-18 | 페어차일드코리아반도체 주식회사 | 높은 브레이크다운 전압 및 낮은 온 저항을 위한 다중전류 이동 경로를 갖는 수평형 이중-확산 모스 트랜지스터 |
| US7439584B2 (en) * | 2005-05-19 | 2008-10-21 | Freescale Semiconductor, Inc. | Structure and method for RESURF LDMOSFET with a current diverter |
| JP2009515332A (ja) * | 2005-11-02 | 2009-04-09 | エヌエックスピー ビー ヴィ | 半導体デバイスの製造方法 |
| JP2007258283A (ja) * | 2006-03-21 | 2007-10-04 | Toyota Motor Corp | 絶縁ゲート型半導体装置 |
| US8304835B2 (en) * | 2009-03-27 | 2012-11-06 | National Semiconductor Corporation | Configuration and fabrication of semiconductor structure using empty and filled wells |
| JP2011100847A (ja) * | 2009-11-05 | 2011-05-19 | Sharp Corp | 半導体装置及びその製造方法 |
| KR101681494B1 (ko) * | 2010-03-03 | 2016-12-01 | 삼성전자 주식회사 | 반도체 장치 |
| KR101196319B1 (ko) * | 2011-01-24 | 2012-11-01 | 주식회사 동부하이텍 | Ldmos 소자와 그 제조 방법 |
| KR101800371B1 (ko) * | 2011-05-27 | 2017-11-23 | 삼성전자주식회사 | 반도체 장치 |
| CN103035717B (zh) * | 2012-07-27 | 2015-10-14 | 上海华虹宏力半导体制造有限公司 | 阶梯形漂移区的ldmos器件及其制造方法 |
| JP2015141996A (ja) * | 2014-01-28 | 2015-08-03 | 株式会社東芝 | 半導体装置及びその製造方法 |
-
2014
- 2014-11-30 US US14/556,185 patent/US9455332B2/en active Active
-
2015
- 2015-03-06 WO PCT/US2015/019258 patent/WO2015134909A1/en not_active Ceased
- 2015-03-06 CN CN201580010177.2A patent/CN106030820B/zh active Active
- 2015-03-06 CN CN201910792601.3A patent/CN110649100B/zh active Active
- 2015-03-06 JP JP2016573708A patent/JP6574792B2/ja active Active
-
2016
- 2016-08-23 US US15/244,616 patent/US10461156B2/en active Active
-
2019
- 2019-10-29 US US16/666,587 patent/US11610968B2/en active Active
-
2023
- 2023-03-13 US US18/120,650 patent/US20230215918A1/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080164537A1 (en) * | 2007-01-04 | 2008-07-10 | Jun Cai | Integrated complementary low voltage rf-ldmos |
| US20080258215A1 (en) * | 2007-04-23 | 2008-10-23 | Olof Tornblad | LDMOS Device |
| US20110014766A1 (en) * | 2009-03-17 | 2011-01-20 | Alpha And Omega Semiconductor Incorporated | Bottom-drain ldmos power mosfet structure having a top drain strap |
| US20130207186A1 (en) * | 2009-12-02 | 2013-08-15 | Fairchild Semiconductor Corporation | Stepped-source ldmos architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160365412A1 (en) | 2016-12-15 |
| CN106030820A (zh) | 2016-10-12 |
| US20200066842A1 (en) | 2020-02-27 |
| US9455332B2 (en) | 2016-09-27 |
| CN110649100B (zh) | 2024-05-10 |
| WO2015134909A1 (en) | 2015-09-11 |
| US11610968B2 (en) | 2023-03-21 |
| US10461156B2 (en) | 2019-10-29 |
| US20150255596A1 (en) | 2015-09-10 |
| CN110649100A (zh) | 2020-01-03 |
| JP2017507502A (ja) | 2017-03-16 |
| JP6574792B2 (ja) | 2019-09-11 |
| US20230215918A1 (en) | 2023-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106030820B (zh) | 具有经改进rds*cgd的ldmos晶体管及形成所述ldmos晶体管的方法 | |
| US7816744B2 (en) | Gate electrodes of HVMOS devices having non-uniform doping concentrations | |
| US7928508B2 (en) | Disconnected DPW structures for improving on-state performance of MOS devices | |
| US20160087083A1 (en) | Semiconductor device and method of fabricating same | |
| US20130134512A1 (en) | Power MOSFETs and Methods for Forming the Same | |
| CN105453265A (zh) | 具有深沟槽隔离结构的方法及半导体结构 | |
| CN101290936A (zh) | 半导体器件及其制造方法 | |
| CN106298935B (zh) | Ldmos器件及其制造方法 | |
| US20080265292A1 (en) | Novel HVNMOS structure for reducing on-resistance and preventing BJT triggering | |
| CN102376762B (zh) | 超级结ldmos器件及制造方法 | |
| CN107564816A (zh) | Ldmos晶体管及其形成方法 | |
| CN105428241B (zh) | 具有屏蔽栅的沟槽栅功率器件的制造方法 | |
| CN103258846A (zh) | 双栅极横向mosfet | |
| CN103367163B (zh) | 栅极下方具有选择性掺杂剂去活化的mosfet | |
| CN111403472A (zh) | 沟槽栅极沟槽场板垂直mosfet | |
| CN102956704B (zh) | 准垂直功率mosfet及其形成方法 | |
| US8524548B2 (en) | DMOS Transistor with a cavity that lies below the drift region | |
| CN103311272B (zh) | 具有介电隔离沟槽的横向mosfet | |
| CN108574014A (zh) | Ldmos器件及其制造方法 | |
| CN110164964A (zh) | 半导体结构及其形成方法 | |
| CN105981144B (zh) | 终止结构及其制作方法 | |
| CN104064596B (zh) | Nldmos器件及其制造方法 | |
| JP2017034006A (ja) | 半導体装置及び半導体装置の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |