KR100879588B1 - 슈퍼접합 장치를 제조하기 위한 평탄화 방법 - Google Patents

슈퍼접합 장치를 제조하기 위한 평탄화 방법 Download PDF

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KR100879588B1
KR100879588B1 KR1020067014533A KR20067014533A KR100879588B1 KR 100879588 B1 KR100879588 B1 KR 100879588B1 KR 1020067014533 A KR1020067014533 A KR 1020067014533A KR 20067014533 A KR20067014533 A KR 20067014533A KR 100879588 B1 KR100879588 B1 KR 100879588B1
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doped region
conductivity type
mesa
region
major surface
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KR20070029656A (ko
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푸-아이우안 히시에
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써드 디멘존 세미컨덕터, 인코포레이티드
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    • 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
    • H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
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    • 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
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    • 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
    • H01L21/26—Bombardment with radiation
    • H01L21/263—Bombardment with radiation with high-energy radiation
    • H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
    • H01L21/26586—Bombardment with radiation with high-energy radiation producing ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
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    • 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
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    • 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
    • H01L21/34—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 not provided for in groups H01L21/18, H10D48/04 and H10D48/07, with or without impurities, e.g. doping materials
    • H01L21/42—Bombardment with radiation
    • H01L21/423—Bombardment with radiation with high-energy radiation
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    • 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
    • H01L21/34—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 not provided for in groups H01L21/18, H10D48/04 and H10D48/07, with or without impurities, e.g. doping materials
    • H01L21/46—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428
    • H01L21/461—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • H01L21/469—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After-treatment of these layers
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    • 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
    • H10D30/66—Vertical DMOS [VDMOS] FETs
    • H10D30/665—Vertical DMOS [VDMOS] FETs having edge termination structures
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    • H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/01—Manufacture or treatment
    • H10D62/051—Forming charge compensation regions, e.g. superjunctions
    • H10D62/058—Forming charge compensation regions, e.g. superjunctions by using trenches, e.g. implanting into sidewalls of trenches or refilling trenches
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    • H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/104—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices having particular shapes of the bodies at or near reverse-biased junctions, e.g. having bevels or moats
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    • H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] 
    • H10D62/109—Reduced surface field [RESURF] PN junction structures
    • H10D62/111—Multiple RESURF structures, e.g. double RESURF or 3D-RESURF structures
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    • 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
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    • H10D84/01—Manufacture or treatment
    • H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
    • H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
    • H10D84/0128—Manufacturing their channels
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    • H10D84/01—Manufacture or treatment
    • H10D84/02—Manufacture or treatment characterised by using material-based technologies
    • H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
    • H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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    • H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
    • H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
    • H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
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    • H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
    • H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
    • H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
    • H10D84/837—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET] comprising vertical IGFETs
    • H10D84/839—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET] comprising vertical IGFETs comprising VDMOS
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    • H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • H10D62/126—Top-view geometrical layouts of the regions or the junctions
    • H10D62/127—Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
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    • 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 

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Element Separation (AREA)
  • Bipolar Transistors (AREA)
  • Formation Of Insulating Films (AREA)
KR1020067014533A 2003-12-19 2004-12-10 슈퍼접합 장치를 제조하기 위한 평탄화 방법 Expired - Fee Related KR100879588B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53146703P 2003-12-19 2003-12-19
US60/531,467 2003-12-19

Publications (2)

Publication Number Publication Date
KR20070029656A KR20070029656A (ko) 2007-03-14
KR100879588B1 true KR100879588B1 (ko) 2009-01-21

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Country Link
US (1) US7199006B2 (enExample)
EP (1) EP1706899A4 (enExample)
JP (1) JP4417962B2 (enExample)
KR (1) KR100879588B1 (enExample)
TW (1) TWI353621B (enExample)
WO (1) WO2005065144A2 (enExample)

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US7439583B2 (en) * 2004-12-27 2008-10-21 Third Dimension (3D) Semiconductor, Inc. Tungsten plug drain extension
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US7446018B2 (en) 2005-08-22 2008-11-04 Icemos Technology Corporation Bonded-wafer superjunction semiconductor device
US7429772B2 (en) * 2006-04-27 2008-09-30 Icemos Technology Corporation Technique for stable processing of thin/fragile substrates
US8580651B2 (en) * 2007-04-23 2013-11-12 Icemos Technology Ltd. Methods for manufacturing a trench type semiconductor device having a thermally sensitive refill material
US7723172B2 (en) 2007-04-23 2010-05-25 Icemos Technology Ltd. Methods for manufacturing a trench type semiconductor device having a thermally sensitive refill material
US8012806B2 (en) 2007-09-28 2011-09-06 Icemos Technology Ltd. Multi-directional trenching of a die in manufacturing superjunction devices
US8159039B2 (en) 2008-01-11 2012-04-17 Icemos Technology Ltd. Superjunction device having a dielectric termination and methods for manufacturing the device
US7795045B2 (en) * 2008-02-13 2010-09-14 Icemos Technology Ltd. Trench depth monitor for semiconductor manufacturing
US7846821B2 (en) 2008-02-13 2010-12-07 Icemos Technology Ltd. Multi-angle rotation for ion implantation of trenches in superjunction devices
US8030133B2 (en) * 2008-03-28 2011-10-04 Icemos Technology Ltd. Method of fabricating a bonded wafer substrate for use in MEMS structures
US7807576B2 (en) * 2008-06-20 2010-10-05 Fairchild Semiconductor Corporation Structure and method for forming a thick bottom dielectric (TBD) for trench-gate devices
US20110198689A1 (en) * 2010-02-17 2011-08-18 Suku Kim Semiconductor devices containing trench mosfets with superjunctions
US9490372B2 (en) 2011-01-21 2016-11-08 Semiconductor Components Industries, Llc Method of forming a semiconductor device termination and structure therefor
US8598654B2 (en) 2011-03-16 2013-12-03 Fairchild Semiconductor Corporation MOSFET device with thick trench bottom oxide
JP2013175655A (ja) * 2012-02-27 2013-09-05 Toshiba Corp 電力用半導体装置及びその製造方法
US8946814B2 (en) 2012-04-05 2015-02-03 Icemos Technology Ltd. Superjunction devices having narrow surface layout of terminal structures, buried contact regions and trench gates
US9576842B2 (en) 2012-12-10 2017-02-21 Icemos Technology, Ltd. Grass removal in patterned cavity etching
US9391135B1 (en) 2015-03-23 2016-07-12 Semiconductor Components Industries, Llc Semiconductor device
CN106158955A (zh) 2015-03-30 2016-11-23 中芯国际集成电路制造(上海)有限公司 功率半导体器件及其形成方法
US10115790B2 (en) 2015-09-17 2018-10-30 Semiconductor Components Industries, Llc Electronic device including an insulating structure
US10497602B2 (en) 2016-08-01 2019-12-03 Semiconductor Components Industries, Llc Process of forming an electronic device including forming an electronic component and removing a portion of a substrate
FR3061357B1 (fr) * 2016-12-27 2019-05-24 Aledia Procede de realisation d’un dispositif optoelectronique comportant une etape de gravure de la face arriere du substrat de croissance

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