SG86288G - Process for forming isolated silicon regions and field-effect devices on a silicon substrate - Google Patents
Process for forming isolated silicon regions and field-effect devices on a silicon substrateInfo
- Publication number
- SG86288G SG86288G SG862/88A SG86288A SG86288G SG 86288 G SG86288 G SG 86288G SG 862/88 A SG862/88 A SG 862/88A SG 86288 A SG86288 A SG 86288A SG 86288 G SG86288 G SG 86288G
- Authority
- SG
- Singapore
- Prior art keywords
- field
- effect devices
- silicon substrate
- forming isolated
- silicon
- Prior art date
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title 2
- 229910052710 silicon Inorganic materials 0.000 title 2
- 239000010703 silicon Substances 0.000 title 2
- 230000005669 field effect Effects 0.000 title 1
- 239000000758 substrate Substances 0.000 title 1
Classifications
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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
- H01L21/02—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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
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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
- H01L21/761—PN junctions
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- H—ELECTRICITY
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/02433—Crystal orientation
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02488—Insulating materials
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- H—ELECTRICITY
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02598—Microstructure monocrystalline
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- H—ELECTRICITY
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02609—Crystal orientation
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- H—ELECTRICITY
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
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- H—ELECTRICITY
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02675—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using laser beams
- H01L21/02683—Continuous wave laser beam
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- H—ELECTRICITY
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02689—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using particle beams
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02691—Scanning of a beam
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- H—ELECTRICITY
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- 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
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0642—Isolation within the component, i.e. internal isolation
- H01L29/0649—Dielectric regions, e.g. SiO2 regions, air gaps
- H01L29/0653—Dielectric regions, e.g. SiO2 regions, air gaps adjoining the input or output region of a field-effect device, e.g. the source or drain region
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66651—Lateral single gate silicon transistors with a single crystalline channel formed on the silicon substrate after insulating device isolation
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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
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76272—Vertical isolation by lateral overgrowth techniques, i.e. ELO techniques
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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
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76281—Lateral isolation by selective oxidation of silicon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Recrystallisation Techniques (AREA)
- Element Separation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/700,607 US4654958A (en) | 1985-02-11 | 1985-02-11 | Process for forming isolated silicon regions and field-effect devices on a silicon substrate |
Publications (1)
Publication Number | Publication Date |
---|---|
SG86288G true SG86288G (en) | 1989-07-14 |
Family
ID=24814181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG862/88A SG86288G (en) | 1985-02-11 | 1988-12-07 | Process for forming isolated silicon regions and field-effect devices on a silicon substrate |
Country Status (9)
Country | Link |
---|---|
US (1) | US4654958A (fr) |
JP (1) | JPS61187224A (fr) |
KR (1) | KR860006831A (fr) |
CN (1) | CN1006261B (fr) |
DE (1) | DE3603470A1 (fr) |
FR (1) | FR2577348B1 (fr) |
GB (1) | GB2170953B (fr) |
HK (1) | HK37989A (fr) |
SG (1) | SG86288G (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139058A (ja) * | 1984-12-11 | 1986-06-26 | Seiko Epson Corp | 半導体製造装置 |
US5190886A (en) * | 1984-12-11 | 1993-03-02 | Seiko Epson Corporation | Semiconductor device and method of production |
JPS62177909A (ja) * | 1986-01-31 | 1987-08-04 | Hitachi Ltd | 半導体装置の製造方法 |
US4717688A (en) * | 1986-04-16 | 1988-01-05 | Siemens Aktiengesellschaft | Liquid phase epitaxy method |
US5214302A (en) * | 1987-05-13 | 1993-05-25 | Hitachi, Ltd. | Semiconductor integrated circuit device forming on a common substrate MISFETs isolated by a field oxide and bipolar transistors isolated by a groove |
US4760036A (en) * | 1987-06-15 | 1988-07-26 | Delco Electronics Corporation | Process for growing silicon-on-insulator wafers using lateral epitaxial growth with seed window oxidation |
JPH01162376A (ja) * | 1987-12-18 | 1989-06-26 | Fujitsu Ltd | 半導体装置の製造方法 |
US4997780A (en) * | 1988-09-21 | 1991-03-05 | Ncr Corporation | Method of making CMOS integrated devices in seeded islands |
JPH04226079A (ja) * | 1990-04-17 | 1992-08-14 | Canon Inc | 半導体装置及びその製造方法及びそれを有する電子回路装置 |
US5026665A (en) * | 1990-12-24 | 1991-06-25 | Motorola Inc. | Semiconductor device electrode method |
EP0748521B1 (fr) * | 1994-03-03 | 2001-11-07 | Rohm Corporation | Detection de sureffacement dans une cellule memoire flash eeprom mono-transistor basse tension programmable et effa able selon le procede fowler-nordheim |
US5543637A (en) * | 1994-11-14 | 1996-08-06 | North Carolina State University | Silicon carbide semiconductor devices having buried silicon carbide conduction barrier layers therein |
US6093936A (en) * | 1995-06-07 | 2000-07-25 | Lsi Logic Corporation | Integrated circuit with isolation of field oxidation by noble gas implantation |
WO1996042112A1 (fr) * | 1995-06-12 | 1996-12-27 | Hitachi, Ltd. | Circuit integre a semi-conducteur, son procede de fabrication et plaquette semi-conductrice |
US6627511B1 (en) * | 1995-07-28 | 2003-09-30 | Motorola, Inc. | Reduced stress isolation for SOI devices and a method for fabricating |
US5693975A (en) * | 1995-10-05 | 1997-12-02 | Integrated Device Technology, Inc. | Compact P-channel/N-channel transistor structure |
JPH1174522A (ja) * | 1996-12-19 | 1999-03-16 | Texas Instr Inc <Ti> | 絶縁体上にソースとドレインと共にプレーナー型fetを形成する方法および装置 |
KR100269289B1 (ko) * | 1997-02-19 | 2000-10-16 | 윤종용 | 실리콘막의결정화방법 |
KR100240615B1 (ko) * | 1997-03-13 | 2000-01-15 | 김영환 | 반도체장치의제조방법 |
US5972758A (en) * | 1997-12-04 | 1999-10-26 | Intel Corporation | Pedestal isolated junction structure and method of manufacture |
US6281521B1 (en) | 1998-07-09 | 2001-08-28 | Cree Research Inc. | Silicon carbide horizontal channel buffered gate semiconductor devices |
DE69940422D1 (de) | 1999-04-30 | 2009-04-02 | St Microelectronics Srl | Herstellungsverfahren für integrierte SOI Schaltkreisstrukturen |
KR100319625B1 (ko) * | 1999-05-28 | 2002-01-05 | 김영환 | 반도체소자의 제조방법 |
US20020117718A1 (en) * | 2001-02-28 | 2002-08-29 | Apostolos Voutsas | Method of forming predominantly <100> polycrystalline silicon thin film transistors |
GB0130485D0 (en) * | 2001-12-21 | 2002-02-06 | Plastic Logic Ltd | Self-aligned printing |
KR100525797B1 (ko) * | 2003-06-18 | 2005-11-02 | 동부아남반도체 주식회사 | 소자분리막 구조 및 제조 방법 |
JP2008205053A (ja) * | 2007-02-17 | 2008-09-04 | Seiko Instruments Inc | 半導体装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4269631A (en) * | 1980-01-14 | 1981-05-26 | International Business Machines Corporation | Selective epitaxy method using laser annealing for making filamentary transistors |
US4381201A (en) * | 1980-03-11 | 1983-04-26 | Fujitsu Limited | Method for production of semiconductor devices |
JPS56135969A (en) * | 1980-03-27 | 1981-10-23 | Fujitsu Ltd | Manufacture of semiconductor device |
US4487639A (en) * | 1980-09-26 | 1984-12-11 | Texas Instruments Incorporated | Localized epitaxy for VLSI devices |
NL188550C (nl) * | 1981-07-02 | 1992-07-16 | Suwa Seikosha Kk | Werkwijze voor het vervaardigen van een halfgeleidersubstraat. |
US4637127A (en) * | 1981-07-07 | 1987-01-20 | Nippon Electric Co., Ltd. | Method for manufacturing a semiconductor device |
EP0073487B1 (fr) * | 1981-08-31 | 1988-07-20 | Kabushiki Kaisha Toshiba | Procédé de fabrication d'un dispositif semi-conducteur tri-dimensionnel |
US4461670A (en) * | 1982-05-03 | 1984-07-24 | At&T Bell Laboratories | Process for producing silicon devices |
US4497683A (en) * | 1982-05-03 | 1985-02-05 | At&T Bell Laboratories | Process for producing dielectrically isolated silicon devices |
US4566914A (en) * | 1983-05-13 | 1986-01-28 | Micro Power Systems, Inc. | Method of forming localized epitaxy and devices formed therein |
-
1985
- 1985-02-11 US US06/700,607 patent/US4654958A/en not_active Expired - Lifetime
- 1985-06-14 CN CN85104551.0A patent/CN1006261B/zh not_active Expired
-
1986
- 1986-01-17 GB GB08601163A patent/GB2170953B/en not_active Expired
- 1986-02-04 FR FR8601495A patent/FR2577348B1/fr not_active Expired
- 1986-02-05 DE DE19863603470 patent/DE3603470A1/de not_active Withdrawn
- 1986-02-07 KR KR1019860000877A patent/KR860006831A/ko not_active Application Discontinuation
- 1986-02-07 JP JP61024240A patent/JPS61187224A/ja active Pending
-
1988
- 1988-12-07 SG SG862/88A patent/SG86288G/en unknown
-
1989
- 1989-05-04 HK HK379/89A patent/HK37989A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN85104551A (zh) | 1986-12-10 |
GB8601163D0 (en) | 1986-02-19 |
US4654958A (en) | 1987-04-07 |
DE3603470A1 (de) | 1986-08-28 |
KR860006831A (ko) | 1986-09-15 |
GB2170953B (en) | 1988-08-10 |
HK37989A (en) | 1989-05-12 |
CN1006261B (zh) | 1989-12-27 |
FR2577348A1 (fr) | 1986-08-14 |
JPS61187224A (ja) | 1986-08-20 |
FR2577348B1 (fr) | 1988-11-18 |
GB2170953A (en) | 1986-08-13 |
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