NL8501992A - Werkwijze voor het vervaardigen van een halfgeleiderinrichting. - Google Patents
Werkwijze voor het vervaardigen van een halfgeleiderinrichting. Download PDFInfo
- Publication number
- NL8501992A NL8501992A NL8501992A NL8501992A NL8501992A NL 8501992 A NL8501992 A NL 8501992A NL 8501992 A NL8501992 A NL 8501992A NL 8501992 A NL8501992 A NL 8501992A NL 8501992 A NL8501992 A NL 8501992A
- Authority
- NL
- Netherlands
- Prior art keywords
- layer
- masking
- semiconductor
- openings
- semiconductor body
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims description 126
- 238000000034 method Methods 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000010410 layer Substances 0.000 claims description 320
- 239000000463 material Substances 0.000 claims description 129
- 230000000873 masking effect Effects 0.000 claims description 78
- 238000011282 treatment Methods 0.000 claims description 76
- 238000002513 implantation Methods 0.000 claims description 56
- 238000009413 insulation Methods 0.000 claims description 38
- 230000035515 penetration Effects 0.000 claims description 25
- 239000002019 doping agent Substances 0.000 claims description 18
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 17
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000013543 active substance Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 36
- 229910052814 silicon oxide Inorganic materials 0.000 description 30
- 150000002500 ions Chemical class 0.000 description 21
- 229920002120 photoresistant polymer Polymers 0.000 description 20
- 229910052710 silicon Inorganic materials 0.000 description 20
- 239000010703 silicon Substances 0.000 description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 18
- 238000005530 etching Methods 0.000 description 17
- 230000003647 oxidation Effects 0.000 description 16
- 238000007254 oxidation reaction Methods 0.000 description 16
- 229910052750 molybdenum Inorganic materials 0.000 description 10
- 239000011733 molybdenum Substances 0.000 description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 9
- 238000005247 gettering Methods 0.000 description 7
- 108091006146 Channels Proteins 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000005669 field effect Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- -1 Boron ions Chemical class 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 150000004767 nitrides Chemical group 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 150000003376 silicon Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- 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
- H01L21/266—Bombardment with radiation with high-energy radiation producing ion implantation using masks
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823892—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the wells or tubs, e.g. twin tubs, high energy well implants, buried implanted layers for lateral isolation [BILLI]
-
- 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
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/906—Cleaning of wafer as interim step
-
- 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
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/928—Front and rear surface processing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Element Separation (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8501992A NL8501992A (nl) | 1985-07-11 | 1985-07-11 | Werkwijze voor het vervaardigen van een halfgeleiderinrichting. |
US06/880,480 US4732869A (en) | 1985-07-11 | 1986-06-30 | Method of forming implanted regions in a semiconductor device by use of a three layer masking structure |
DE8686201198T DE3671324D1 (de) | 1985-07-11 | 1986-07-08 | Verfahren zum herstellen einer halbleiteranordnung. |
EP86201198A EP0209939B1 (en) | 1985-07-11 | 1986-07-08 | Method of manufacturing a semiconductor device |
CA000513396A CA1330648C (en) | 1985-07-11 | 1986-07-09 | Method of manufacturing a semiconductor device |
JP61160964A JPH0793409B2 (ja) | 1985-07-11 | 1986-07-10 | 半導体装置の製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8501992A NL8501992A (nl) | 1985-07-11 | 1985-07-11 | Werkwijze voor het vervaardigen van een halfgeleiderinrichting. |
NL8501992 | 1985-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8501992A true NL8501992A (nl) | 1987-02-02 |
Family
ID=19846284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8501992A NL8501992A (nl) | 1985-07-11 | 1985-07-11 | Werkwijze voor het vervaardigen van een halfgeleiderinrichting. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4732869A (ja) |
EP (1) | EP0209939B1 (ja) |
JP (1) | JPH0793409B2 (ja) |
CA (1) | CA1330648C (ja) |
DE (1) | DE3671324D1 (ja) |
NL (1) | NL8501992A (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292671A (en) * | 1987-10-08 | 1994-03-08 | Matsushita Electric Industrial, Co., Ltd. | Method of manufacture for semiconductor device by forming deep and shallow regions |
EP0794575A3 (en) * | 1987-10-08 | 1998-04-01 | Matsushita Electric Industrial Co., Ltd. | Structure and method of manufacture for CMOS semiconductor device against latch-up effect |
JP2727552B2 (ja) * | 1988-02-29 | 1998-03-11 | ソニー株式会社 | 半導体装置の製造方法 |
US4925806A (en) * | 1988-03-17 | 1990-05-15 | Northern Telecom Limited | Method for making a doped well in a semiconductor substrate |
JP2897215B2 (ja) * | 1988-07-15 | 1999-05-31 | ソニー株式会社 | 半導体装置の製造方法 |
JPH0770629B2 (ja) * | 1990-03-20 | 1995-07-31 | 株式会社東芝 | 不揮発性半導体記憶装置の製造方法 |
JP2851753B2 (ja) * | 1991-10-22 | 1999-01-27 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
JPH0689871A (ja) * | 1992-09-08 | 1994-03-29 | Matsushita Electron Corp | 半導体装置の製造方法 |
JP2978345B2 (ja) * | 1992-11-26 | 1999-11-15 | 三菱電機株式会社 | 半導体装置の製造方法 |
US5573963A (en) * | 1995-05-03 | 1996-11-12 | Vanguard International Semiconductor Corporation | Method of forming self-aligned twin tub CMOS devices |
US5661069A (en) * | 1995-06-06 | 1997-08-26 | Lsi Logic Corporation | Method of forming an MOS-type integrated circuit structure with a diode formed in the substrate under a polysilicon gate electrode to conserve space |
JPH09120965A (ja) * | 1995-10-25 | 1997-05-06 | Toshiba Corp | 半導体装置の製造方法 |
US5573962A (en) * | 1995-12-15 | 1996-11-12 | Vanguard International Semiconductor Corporation | Low cycle time CMOS process |
US5858828A (en) * | 1997-02-18 | 1999-01-12 | Symbios, Inc. | Use of MEV implantation to form vertically modulated N+ buried layer in an NPN bipolar transistor |
US6005253A (en) * | 1998-05-04 | 1999-12-21 | Chartered Semiconductor Manufacturing, Ltd. | Scanning energy implantation |
DE10056261A1 (de) * | 2000-11-14 | 2002-05-29 | Infineon Technologies Ag | Verfahren zur Herstellung eines integrierten Halbleiter-Bauelements |
JP2002217123A (ja) * | 2001-01-18 | 2002-08-02 | Sony Corp | イオン注入方法 |
CN111430307B (zh) * | 2019-12-17 | 2021-06-25 | 合肥晶合集成电路股份有限公司 | 半导体集成器件的阱制备方法和阱注入光罩组 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4506437A (en) * | 1978-05-26 | 1985-03-26 | Rockwell International Corporation | Process for and structure of high density VLSI circuits, having self-aligned gates and contacts for FET devices and conducting lines |
FR2454698A1 (fr) * | 1979-04-20 | 1980-11-14 | Radiotechnique Compelec | Procede de realisation de circuits integres a l'aide d'un masque multicouche et dispositifs obtenus par ce procede |
NL187328C (nl) * | 1980-12-23 | 1991-08-16 | Philips Nv | Werkwijze ter vervaardiging van een halfgeleiderinrichting. |
DE3133468A1 (de) * | 1981-08-25 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von hochintegrierten komplementaeren mos-feldeffekttransistorschaltungen in siliziumgate-technologie |
US4411058A (en) * | 1981-08-31 | 1983-10-25 | Hughes Aircraft Company | Process for fabricating CMOS devices with self-aligned channel stops |
DE3205858A1 (de) * | 1982-02-18 | 1983-08-25 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von dynamischen halbleiter-speicherzellen mit wahlfreiem zugriff (ram) nach der doppel-polysilizium-gate-technologie |
US4716451A (en) * | 1982-12-10 | 1987-12-29 | Rca Corporation | Semiconductor device with internal gettering region |
DE3314450A1 (de) * | 1983-04-21 | 1984-10-25 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von hochintegrierten komplementaeren mos-feldeffekttransistorschaltungen |
WO1985000694A1 (en) * | 1983-07-25 | 1985-02-14 | American Telephone & Telegraph Company | Shallow-junction semiconductor devices |
US4535532A (en) * | 1984-04-09 | 1985-08-20 | At&T Bell Laboratories | Integrated circuit contact technique |
US4554726A (en) * | 1984-04-17 | 1985-11-26 | At&T Bell Laboratories | CMOS Integrated circuit technology utilizing dual implantation of slow and fast diffusing donor ions to form the n-well |
US4646425A (en) * | 1984-12-10 | 1987-03-03 | Solid State Scientific, Inc. | Method for making a self-aligned CMOS EPROM wherein the EPROM floating gate and CMOS gates are made from one polysilicon layer |
-
1985
- 1985-07-11 NL NL8501992A patent/NL8501992A/nl not_active Application Discontinuation
-
1986
- 1986-06-30 US US06/880,480 patent/US4732869A/en not_active Expired - Lifetime
- 1986-07-08 EP EP86201198A patent/EP0209939B1/en not_active Expired
- 1986-07-08 DE DE8686201198T patent/DE3671324D1/de not_active Expired - Lifetime
- 1986-07-09 CA CA000513396A patent/CA1330648C/en not_active Expired - Fee Related
- 1986-07-10 JP JP61160964A patent/JPH0793409B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4732869A (en) | 1988-03-22 |
EP0209939A1 (en) | 1987-01-28 |
EP0209939B1 (en) | 1990-05-16 |
JPH0793409B2 (ja) | 1995-10-09 |
JPS6214459A (ja) | 1987-01-23 |
CA1330648C (en) | 1994-07-12 |
DE3671324D1 (de) | 1990-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL8501992A (nl) | Werkwijze voor het vervaardigen van een halfgeleiderinrichting. | |
JP2510751B2 (ja) | 単一集積回路チップ上に高電圧及び低電圧cmosトランジスタを形成するためのプロセス | |
US4466178A (en) | Method of making extremely small area PNP lateral transistor by angled implant of deep trenches followed by refilling the same with dielectrics | |
JPH0845920A (ja) | 半導体基板に絶縁物層を形成する方法 | |
US3928081A (en) | Method for fabricating semiconductor devices using composite mask and ion implantation | |
NL8301262A (nl) | Werkwijze voor het vervaardigen van een halfgeleiderinrichting, waarbij met behulp van ionenimplantatie patronen worden aangebracht in een laag siliciumnitride. | |
US5037772A (en) | Method for forming a polysilicon to polysilicon capacitor | |
EP0216498A1 (en) | Integrated circuit structure containing MOS and bipolar devices | |
JPS63314868A (ja) | Mos半導体装置の製造方法 | |
US6218251B1 (en) | Asymmetrical IGFET devices with spacers formed by HDP techniques | |
US6403426B1 (en) | Method of manufacturing a semiconductor device | |
EP0243988B1 (en) | Method of manufacturing a semiconductor device | |
NL8402856A (nl) | Werkwijze voor het vervaardigen van een halfgeleiderinrichting. | |
US6509221B1 (en) | Method for forming high performance CMOS devices with elevated sidewall spacers | |
US5217909A (en) | Method for manufacturing a bipolar transistor | |
KR100554648B1 (ko) | 집적회로제조방법 | |
JP3165051B2 (ja) | 半導体素子のウェル形成方法 | |
US6063690A (en) | Method for making recessed field oxide for radiation hardened microelectronics | |
JPH0338837A (ja) | 近接離間されたデバイス領域を有するバイポーラトランジスタを形成する方法 | |
US6406950B1 (en) | Definition of small damascene metal gates using reverse through approach | |
US6171914B1 (en) | Synchronized implant process to simplify NLDD/PLDD stage and N+/P+stage into one implant | |
US20040209433A1 (en) | Method for manufacturing and structure of semiconductor device with shallow trench collector contact region | |
CA1043474A (en) | Method of high current ion implantation | |
US6150244A (en) | Method for fabricating MOS transistor having raised source and drain | |
JPH0298143A (ja) | Ldd構造ポリシリコン薄膜トランジスタの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |