CN111863707B - 一种浅沟槽结构制备方法 - Google Patents
一种浅沟槽结构制备方法 Download PDFInfo
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- CN111863707B CN111863707B CN202011012959.9A CN202011012959A CN111863707B CN 111863707 B CN111863707 B CN 111863707B CN 202011012959 A CN202011012959 A CN 202011012959A CN 111863707 B CN111863707 B CN 111863707B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 120
- 238000005530 etching Methods 0.000 claims abstract description 96
- 239000000758 substrate Substances 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 36
- 238000001312 dry etching Methods 0.000 claims abstract description 17
- 238000001039 wet etching Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 17
- 239000010703 silicon Substances 0.000 abstract description 17
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 16
- 239000004065 semiconductor Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 13
- 238000002955 isolation Methods 0.000 description 9
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 238000001020 plasma etching Methods 0.000 description 6
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 5
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 125000001153 fluoro group Chemical group F* 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000004151 rapid thermal annealing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- -1 fluorocarbon compound Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QYSGYZVSCZSLHT-UHFFFAOYSA-N octafluoropropane Chemical compound FC(F)(F)C(F)(F)C(F)(F)F QYSGYZVSCZSLHT-UHFFFAOYSA-N 0.000 description 1
- 229960004065 perflutren Drugs 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
- H01L21/32137—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas of silicon-containing layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
- H01L21/6708—Apparatus for fluid treatment for etching for wet etching using mainly spraying means, e.g. nozzles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
- Element Separation (AREA)
- Bipolar Transistors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (9)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011012959.9A CN111863707B (zh) | 2020-09-24 | 2020-09-24 | 一种浅沟槽结构制备方法 |
TW110106178A TWI777422B (zh) | 2020-09-24 | 2021-02-22 | 一種淺溝槽結構製備方法及裝置 |
US17/246,588 US11901217B2 (en) | 2020-09-24 | 2021-04-30 | Method and apparatus for making shallow trench structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011012959.9A CN111863707B (zh) | 2020-09-24 | 2020-09-24 | 一种浅沟槽结构制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111863707A CN111863707A (zh) | 2020-10-30 |
CN111863707B true CN111863707B (zh) | 2020-12-22 |
Family
ID=72968507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011012959.9A Active CN111863707B (zh) | 2020-09-24 | 2020-09-24 | 一种浅沟槽结构制备方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11901217B2 (zh) |
CN (1) | CN111863707B (zh) |
TW (1) | TWI777422B (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1697154A (zh) * | 2004-05-10 | 2005-11-16 | 海力士半导体有限公司 | 具有沟道隔离的半导体器件的制造方法 |
CN101179046A (zh) * | 2006-11-06 | 2008-05-14 | 北京北方微电子基地设备工艺研究中心有限责任公司 | 硅片浅沟槽隔离刻蚀的方法 |
CN101207063A (zh) * | 2006-12-18 | 2008-06-25 | 中芯国际集成电路制造(上海)有限公司 | 浅沟槽隔离的形成方法 |
CN101308843A (zh) * | 2007-05-15 | 2008-11-19 | 中芯国际集成电路制造(上海)有限公司 | 一种浅沟槽隔离结构及制备该结构的制程 |
CN102117761A (zh) * | 2010-01-05 | 2011-07-06 | 上海华虹Nec电子有限公司 | 改善浅沟槽隔离顶部倒角圆滑性的湿法工艺方法 |
CN104078410A (zh) * | 2013-03-27 | 2014-10-01 | 中芯国际集成电路制造(上海)有限公司 | 自对准浅槽隔离的形成方法 |
CN104241190A (zh) * | 2014-07-31 | 2014-12-24 | 上海华力微电子有限公司 | 浅沟槽制备方法 |
CN104347473A (zh) * | 2013-08-05 | 2015-02-11 | 中芯国际集成电路制造(北京)有限公司 | 浅沟槽隔离结构及其形成方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW328162B (en) * | 1997-07-07 | 1998-03-11 | Winbond Electronics Corp | The method for rounding the top corner in shallow trench isolation process |
TW410422B (en) * | 1999-06-30 | 2000-11-01 | Taiwan Semiconductor Mfg | Pull back process in shallow trench isolation |
KR100839529B1 (ko) * | 2006-09-29 | 2008-06-19 | 주식회사 하이닉스반도체 | 반도체소자의 소자분리막 형성 방법 |
US9627512B2 (en) * | 2014-08-13 | 2017-04-18 | Taiwan Semiconductor Manufacturing Company Ltd. | Field effect transistor with non-doped channel |
-
2020
- 2020-09-24 CN CN202011012959.9A patent/CN111863707B/zh active Active
-
2021
- 2021-02-22 TW TW110106178A patent/TWI777422B/zh active
- 2021-04-30 US US17/246,588 patent/US11901217B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1697154A (zh) * | 2004-05-10 | 2005-11-16 | 海力士半导体有限公司 | 具有沟道隔离的半导体器件的制造方法 |
CN101179046A (zh) * | 2006-11-06 | 2008-05-14 | 北京北方微电子基地设备工艺研究中心有限责任公司 | 硅片浅沟槽隔离刻蚀的方法 |
CN101207063A (zh) * | 2006-12-18 | 2008-06-25 | 中芯国际集成电路制造(上海)有限公司 | 浅沟槽隔离的形成方法 |
CN101308843A (zh) * | 2007-05-15 | 2008-11-19 | 中芯国际集成电路制造(上海)有限公司 | 一种浅沟槽隔离结构及制备该结构的制程 |
CN102117761A (zh) * | 2010-01-05 | 2011-07-06 | 上海华虹Nec电子有限公司 | 改善浅沟槽隔离顶部倒角圆滑性的湿法工艺方法 |
CN104078410A (zh) * | 2013-03-27 | 2014-10-01 | 中芯国际集成电路制造(上海)有限公司 | 自对准浅槽隔离的形成方法 |
CN104347473A (zh) * | 2013-08-05 | 2015-02-11 | 中芯国际集成电路制造(北京)有限公司 | 浅沟槽隔离结构及其形成方法 |
CN104241190A (zh) * | 2014-07-31 | 2014-12-24 | 上海华力微电子有限公司 | 浅沟槽制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN111863707A (zh) | 2020-10-30 |
US11901217B2 (en) | 2024-02-13 |
TW202213629A (zh) | 2022-04-01 |
US20220093450A1 (en) | 2022-03-24 |
TWI777422B (zh) | 2022-09-11 |
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Effective date of registration: 20240326 Address after: 230000 No. 88, xifeihe Road, Hefei comprehensive free trade zone, Xinzhan District, Hefei City, Anhui Province Patentee after: Nexchip Semiconductor Corporation Country or region after: China Address before: No.18-h1105, Yinchun Road, science and technology R & D base, Maigaoqiao entrepreneurship Park, Qixia District, Nanjing, Jiangsu Province, 210000 Patentee before: Nanjing crystal drive integrated circuit Co.,Ltd. Country or region before: China |