KR940019000A - 절연반도체 장치 및 그의 제조방법(a dielectrically isolated semiconductor device and a method for its manufacture) - Google Patents
절연반도체 장치 및 그의 제조방법(a dielectrically isolated semiconductor device and a method for its manufacture) Download PDFInfo
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- KR940019000A KR940019000A KR1019940001283A KR19940001283A KR940019000A KR 940019000 A KR940019000 A KR 940019000A KR 1019940001283 A KR1019940001283 A KR 1019940001283A KR 19940001283 A KR19940001283 A KR 19940001283A KR 940019000 A KR940019000 A KR 940019000A
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- 239000004065 semiconductor Substances 0.000 title claims abstract 25
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- 230000005669 field effect Effects 0.000 claims abstract 13
- 239000002800 charge carrier Substances 0.000 claims abstract 4
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- 230000005684 electric field Effects 0.000 claims abstract 3
- 239000000463 material Substances 0.000 claims 8
- 238000005530 etching Methods 0.000 claims 4
- 230000001590 oxidative effect Effects 0.000 claims 2
- 230000015556 catabolic process Effects 0.000 abstract 1
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- H—ELECTRICITY
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- 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
- H10D30/657—Lateral DMOS [LDMOS] FETs having substrates comprising insulating layers, e.g. SOI-LDMOS transistors
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H10D30/0512—Manufacture or treatment of FETs having PN junction gates of FETs having PN homojunction gates
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/611—Insulated-gate field-effect transistors [IGFET] having multiple independently-addressable gate electrodes influencing the same channel
- H10D30/615—Insulated-gate field-effect transistors [IGFET] having multiple independently-addressable gate electrodes influencing the same channel comprising a MOS gate electrode and at least one non-MOS gate electrode
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- H—ELECTRICITY
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/80—FETs having rectifying junction gate electrodes
- H10D30/83—FETs having PN junction gate electrodes
- H10D30/832—Thin-film junction FETs [JFET]
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- H—ELECTRICITY
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- 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
- H10D62/126—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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- H10D62/00—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
- H10D62/213—Channel regions of field-effect devices
- H10D62/221—Channel regions of field-effect devices of FETs
- H10D62/328—Channel regions of field-effect devices of FETs having PN junction gates
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- 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
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- 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
- H10D84/40—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 with at least one component covered by groups H10D10/00 or H10D18/00, e.g. integration of IGFETs with BJTs
- H10D84/401—Combinations of FETs or IGBTs with BJTs
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- H—ELECTRICITY
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/201—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates the substrates comprising an insulating layer on a semiconductor body, e.g. SOI
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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]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/62—Fin field-effect transistors [FinFET]
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- 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
- Y10S148/00—Metal treatment
- Y10S148/05—Etch and refill
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- Thin Film Transistor (AREA)
- Element Separation (AREA)
- Junction Field-Effect Transistors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (8)
- 전기장세기(E)를 감소시키는 전하반송자 공핍부분(D10)을 지닌 절연반도체 장치는 반도체 몸체(1),(2),(3)와; 상면을 지닌 반도체 몸체안에 형성된 소자부분(4)과; 이 소자부분(4)안에 형성되어 소자부분 상면에서 아래로 연장되어 있는 칩상부분(G1)과; 면이 나머지 부분의 소자부분(4)으로 부터 상기 부분을 제한하는 칩상부분(G1)의 제한면에 형성된 PN-접합(10)을 포함하며, 상기 부분은 칩상부분(G1)의 도핑(p) 형태와 반대 도핑(n) 형태를 하며; 또한, 칩상부분(D1)과 나머지 부분의 소자부분(4)에 하나 이상의 전기접속부분(G2),(S2),(D2)을 지닌 소자부분(4)에 형성된 반도체소자(JFET)를 포함하며; 전기장세기를 감소시키는 부분(D10)이 전기 접속부분을 경유해 인가된 전기접압(VG),(VS),(VD)에 의해 전하반송자가 공핍되는 것에 있어서, 소자부분(4)은 절연층(2),(5)에 의해 반도체 몸체(1),(2),(3)에 대해 제한되는 두개가 서로 대항하는 측을 지니며; 상기칩상부분은 소자부분(4)의 서로 대항하는 측이 소자부분(4)의 상면에서 절연층(2)을 따라 상기 부분 아래로 연장한 두개가 서로 대항하는 웨이퍼형 종부분(G1)을 포함하며, 상기 종부분(G1)은 도핑재료(p)의 농도가 낮으며; 소자부분(4)은 서로 대항하는 종부분(G1) 사이의 부분에서 도핑재료(n)의 농도가 낮으며; 전하반송자 공핍부분(L2),(L3)중 하나가 상호 대항하는 종부분(G1) 사이의 낮게 도프(n)된 부분과 종부분에 연장되어서 공핍부분이 전기장 세기(E)가 반도체 재료의 항복장 세기(ECR) 아래에 위치하는 것을 특징으로 하는 절연반도체 장치.
- 제1항에 있어서, 웨이퍼형 종부분(G11)은 타단(t2) 보다 일단(t1)이 더 큰 것을 특징으로 하는 절연반도체 장치.
- 제1항 또는 제2항에 있어서, 웨이퍼형 종부분은 각각 높게 도프(p+)된 전기접속부분(G2),(G12)을 지닌 것을 특징으로 하는 절연반도체 장치.
- 제1항 또는 제2항에 있어서, 웨이퍼형 종부분(G1)은 전계효과 트렌지스터(JFET)의 게이트를 포함하며, 전기접속부분은 나머지 부분의 소자부분과 같은 도핑형(n)으로 소자부분에 각각의 단에서 높게 도프(n+)된 부분을 포함하며, 이 접속부분은 전계효과 트렌지스터(JFET)의 소오스 부분(S2) 다 드레인부분(D2)을 형성하는 것을 특징으로 하는 절연반도체 장치.
- 제1항 또는 제2항에 있어서, 제2전계효과 트렌지스터(JFET4)와 직렬로 접속된 제1전계효과 트렌지스터(DMOS3)를 포함하는 것에 있어서, 칩상부분(33),(G4)은 소자부분(4)의 일단에서 매우 약하게 도프(p)된 접속 부분(33)을 포함하며; 웨이퍼형 종부분(G4)은 일단에서 상기 약하게 도프된 접속부분(33)이 접속되어 있으며; 제1전계효과 트렌지스터(DMOS3)는 나머지 부분의 소자부분(4)과 같은 도핑형(n)으로 강하게 도프(n+)된 소오스 부분(S3)을 지니며, 상기 소오스 부분(S3)은 접속부분(33)에 위치하고 있고; 접속부분(33)은 칩상부분(33),(G4)과 같은 도핑형(p)을 하는 강하게 도프(p+)된 접속부분(39)을 지니며; 제1전계효과트렌지스터(DMOS3)는 소오스 부분(S3)과 나머지 부분의 조자부분(4) 사이의 상기 부분의 면의 접속부분(33)에 위치한 채널부분(36)을 지니고 있으며; 채널부분(36)은 전기전도 게이트부분(G3)을 포함하는 절연게이트 산화(34)를 이 면위에 지니고 있으며; 제2전계효과 트렌지스터(JFET4)는 소자부분(4)의 타단에 강하게 도프(n+)된 드레인 부분(D4)을 지니고, 이 드레인 부분은 나머지 부분의 소자부분(4)과 같은 도핑형(n)을 하며; 제2전계효과 트렌지스터(JFET4)는 웨이퍼형 종부분(G4)을 포함하며, 각각의 상기 종부분은 접속부분(33)의 전기접속부분(39)에 접속된 각각의 게이트 접속부분(G41)을 지니며; 접속부분(33)에 인접한 웨이퍼형 종부분(G4) 사이의 나머지 부분의 소자부분(4)의 부분은 제1전계효과 트렌지스터(DMOS3)의 드레인 부분 (33)과 제2전계효과 트렌지스터(JFET4)의 소오스 부분(S4)을 포함하는 것을 특징으로 하는 절연반도체 장치.
- 절연반도체를 제조하는 방법은 절연 산화층(2)을 형성하도록 반도체 기판(1)의 면을 산화시키는 단계와; 이 산화층(2)을 도핑재료(n)의 제1형으로 도프된 모노클리스탈라인 반도체 웨이퍼(3)에 붙이는 단계와; 절연층(5),(54)에 의해 소자부분을 둘러싸고 모노클리스탈라인 웨이퍼(3)의 면에서 절연산화층(2) 아래로 연장한 모노 클리스탈라인 웨이퍼(3)의 소자부분(4)을 제한하는 단계와;절연층(5),(54)의 측을 따라, 그리고 소자부분(4)의 두개가 서로 대항하는 축을 따라 연장한 두개의 신장구멍을 포함하는 리셋스(57)가 제공된 제1마스크(56)을 소자 부분(4)위에 붙이는 단계와;리셋스(57)를 통해 도핑재료의 제1형(n)에 반대인 도핑재료의 제2형(p)을 붙이고, 소자부분에서 소자부분(4)의 대항측 위에 두개의 웨이퍼형 종부분(G1)을 포함하는 칩상부분이 생성되는 단계와; 소자부분(4)의 반도체 소자(JFET)의 전기접속부분(G2),(D2),(S2)을 생성하도록 소정의 구멍(59),(61)을 통해 소정의 형의 도핑재료를 공급하는 단계를 포함하는 것을 특징으로 하는 절연반도체 제조방법.
- 제6항에 있어서, 제1마스크(56)의 리셋스(57)는 소자부분(4)의 일단에 접속구멍을 포함하며, 이 구멍을 리셋스(57)의 두개의 인장구멍을 서로 접속시키는 것을 특징으로 하는 절연반도체 제조방법.
- 제6항 또는 제7항에 있어서, 에칭마스크(51)를 모노클리스탈라인 웨이퍼(3)에 붙이는 단계와; 상기 에칭마스크는 절연층(5),(54),(53)용 구멍(52)을 지니며; 에칭마스크(51)의 구멍(52)을 통해 모노클리스탈라인 웨이퍼(3)에 트렌치(53)를 에칭하는 단계와; 상기 트렌치(53)는 반도체 기판(1)위의 절연층(2) 아래로 연장되어 있으며; 반도체 산화층(54)을 형성하도록 트렌치(53)의 측면을 산화시키는 단계와; 폴리클리스탈라인 반도체 재료(55)로 나머지 트렌치(53)를 채우는 단계에 의해 소자부분(4)이 제한되는 것을 특징으로 하는 절연반도체 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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Application Number | Priority Date | Filing Date | Title |
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SE9300211A SE500815C2 (sv) | 1993-01-25 | 1993-01-25 | Dielektriskt isolerad halvledaranordning och förfarande för dess framställning |
SE9300211-1 | 1993-01-25 |
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KR940019000A true KR940019000A (ko) | 1994-08-19 |
KR100307304B1 KR100307304B1 (ko) | 2002-06-20 |
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KR1019940001283A KR100307304B1 (ko) | 1993-01-25 | 1994-01-25 | 유전적으로절연된반도체소자및그의제조방법 |
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US (2) | US5432377A (ko) |
EP (1) | EP0623949B1 (ko) |
JP (1) | JP3686097B2 (ko) |
KR (1) | KR100307304B1 (ko) |
CN (1) | CN1036740C (ko) |
DE (1) | DE69414169T2 (ko) |
MY (1) | MY110382A (ko) |
SE (1) | SE500815C2 (ko) |
SG (2) | SG54996A1 (ko) |
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EP0811242A1 (en) * | 1995-12-21 | 1997-12-10 | Koninklijke Philips Electronics N.V. | Method of manufacturing a resurf semiconductor device, and a semiconductor device manufactured by such a method |
KR20000064650A (ko) | 1996-03-22 | 2000-11-06 | 에를링 블로메, 타게 뢰브그렌 | 반전도성기판의표면에배열된반도체부품과그제조방법및반도체구조안에차폐된전기신호전도체및그제조방법 |
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FR2818013B1 (fr) * | 2000-12-13 | 2003-10-17 | St Microelectronics Sa | Transistor a effet de champ a jonction destine a former un limiteur de courant |
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JPS6016753B2 (ja) * | 1979-01-19 | 1985-04-27 | 株式会社日立製作所 | 半導体スイツチング素子およびその制御方法 |
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-
1993
- 1993-01-25 SE SE9300211A patent/SE500815C2/sv not_active IP Right Cessation
-
1994
- 1994-01-12 EP EP94850005A patent/EP0623949B1/en not_active Expired - Lifetime
- 1994-01-12 SG SG1996000764A patent/SG54996A1/en unknown
- 1994-01-12 SG SG1996000621A patent/SG49599A1/en unknown
- 1994-01-12 DE DE69414169T patent/DE69414169T2/de not_active Expired - Lifetime
- 1994-01-14 MY MYPI94000096A patent/MY110382A/en unknown
- 1994-01-24 US US08/185,146 patent/US5432377A/en not_active Expired - Lifetime
- 1994-01-24 JP JP00589594A patent/JP3686097B2/ja not_active Expired - Lifetime
- 1994-01-25 CN CN94100576A patent/CN1036740C/zh not_active Expired - Lifetime
- 1994-01-25 KR KR1019940001283A patent/KR100307304B1/ko not_active IP Right Cessation
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1995
- 1995-05-19 US US08/444,512 patent/US5741723A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SG54996A1 (en) | 1998-12-21 |
US5741723A (en) | 1998-04-21 |
SE9300211D0 (sv) | 1993-01-25 |
JPH06260506A (ja) | 1994-09-16 |
DE69414169T2 (de) | 1999-03-18 |
EP0623949B1 (en) | 1998-10-28 |
SE9300211L (sv) | 1994-07-26 |
JP3686097B2 (ja) | 2005-08-24 |
MY110382A (en) | 1998-04-30 |
CN1092557A (zh) | 1994-09-21 |
CN1036740C (zh) | 1997-12-17 |
SG49599A1 (en) | 1998-06-15 |
KR100307304B1 (ko) | 2002-06-20 |
US5432377A (en) | 1995-07-11 |
SE500815C2 (sv) | 1994-09-12 |
EP0623949A1 (en) | 1994-11-09 |
DE69414169D1 (de) | 1998-12-03 |
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