KR970009054B1 - 평면구조 모스 트랜지스터 및 그 제조방법 - Google Patents
평면구조 모스 트랜지스터 및 그 제조방법 Download PDFInfo
- Publication number
- KR970009054B1 KR970009054B1 KR1019930030866A KR930030866A KR970009054B1 KR 970009054 B1 KR970009054 B1 KR 970009054B1 KR 1019930030866 A KR1019930030866 A KR 1019930030866A KR 930030866 A KR930030866 A KR 930030866A KR 970009054 B1 KR970009054 B1 KR 970009054B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- source
- drain
- film
- insulating film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000000758 substrate Substances 0.000 claims description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000009279 wet oxidation reaction Methods 0.000 claims description 2
- 230000003071 parasitic effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
- H10D30/608—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs having non-planar bodies, e.g. having recessed gate electrodes
-
- 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]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28211—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a gaseous ambient using an oxygen or a water vapour, e.g. RTO, possibly through a layer
-
- 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]
- H10D30/022—Manufacture or treatment of FETs having insulated gates [IGFET] having lightly-doped source or drain extensions selectively formed at the sides of the gates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/025—Manufacture or treatment forming recessed gates, e.g. by using local oxidation
- H10D64/027—Manufacture or treatment forming recessed gates, e.g. by using local oxidation by etching at gate locations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
-
- 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
- Y10S148/163—Thick-thin oxides
-
- 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
- Y10S438/981—Utilizing varying dielectric thickness
Landscapes
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (3)
- 게이트(6), 소스/드레인(3)이 평탄화된 평면구조 모스 트랜지스터에 있어서, 반도체기판(1) 상에 LDD 영역(2), 소스/드레인영역(3)이 소정 패턴으로 적층되어 형성되고 ; 상기 소스/드레인영역(3) 측면 및 상부에 절연막(4)이 두텁게 형성되고 ; 상기 소스/드레인(3) 사이에 게이트(6)가 형성되되, 게이트절연막(5)에 의해 소스와 게이트, 드레인과 게이트가 상호 절연된 구조를 포함하여 이루어지는 것을 특징으로 하는 평면구조 모스 트랜지스터.
- 반도체기판(1) 상에 LDD 영역(2), 소스/드레인영역(3)이 소정 패턴으로 적층되어 형성되고, 상기 소스/드레인영역(3) 측면 및 상부에 절연막(4)이 두텁게 형성되고, 상기 소스/드레인(3) 사이에 게이트(6)가 형성되되, 게이트절연막(5)에 의해 소스와 게이트 드레인과 게이트가 상호 절연된 구조를 포함하는 평면구조 모스트랜지스터 제조방법에 있어서, 반도체기판(1)상에 저농도로 도핑된 막(2′)을 형성하는 단계 ; 상기 저농도로 도핑된 막(2′) 상부에 고농도로 도핑된 막(3′)을 형성하는 단계 ; 상기 고농도로 도핑된 막(3′), 저농도로 도핑된 막(2′)을 선택식각하여 상기 실리콘기판(1)을 소정정도 노출시키는 단계 ; 상기 노출된 실리콘기판(1) 상에 절연막(4)을 두껍게 형성하는 단계 ; 및 전체구조 상부에 게이트절연막(5)을 형성한 후, 게이트 전극(6)을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 평면구조 모스 트랜지스터 제조방법.
- 제2항에 있어서, 상기 절연막(4)은 800 내지 900℃의 낮은 온도로 습식산화(wet oxidation)하는 저온산화공정(low temperature oxidation)을 통해 형성된 산화막인 것을 특징으로 하는 평면구조 모스 트랜지스터 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930030866A KR970009054B1 (ko) | 1993-12-29 | 1993-12-29 | 평면구조 모스 트랜지스터 및 그 제조방법 |
JP6328247A JPH07211906A (ja) | 1993-12-29 | 1994-12-28 | 平面構造トランジスタおよびその製造方法 |
DE4447149A DE4447149B4 (de) | 1993-12-29 | 1994-12-29 | Vollständig eingeebneter Feldeffekttransistor und Verfahren an dessen Herstellung |
US08/753,293 US5677210A (en) | 1993-12-29 | 1996-11-22 | Method of producing a fully planarized concave transistor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930030866A KR970009054B1 (ko) | 1993-12-29 | 1993-12-29 | 평면구조 모스 트랜지스터 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950021529A KR950021529A (ko) | 1995-07-26 |
KR970009054B1 true KR970009054B1 (ko) | 1997-06-03 |
Family
ID=19373839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930030866A Expired - Lifetime KR970009054B1 (ko) | 1993-12-29 | 1993-12-29 | 평면구조 모스 트랜지스터 및 그 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5677210A (ko) |
JP (1) | JPH07211906A (ko) |
KR (1) | KR970009054B1 (ko) |
DE (1) | DE4447149B4 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6127233A (en) * | 1997-12-05 | 2000-10-03 | Texas Instruments Incorporated | Lateral MOSFET having a barrier between the source/drain regions and the channel region |
US6211025B1 (en) * | 1998-08-26 | 2001-04-03 | Advanced Micro Devices, Inc. | Method of making elevated source/drain using poly underlayer |
US6319782B1 (en) | 1998-09-10 | 2001-11-20 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device and method of fabricating the same |
US6180465B1 (en) * | 1998-11-20 | 2001-01-30 | Advanced Micro Devices | Method of making high performance MOSFET with channel scaling mask feature |
US6534351B2 (en) | 2001-03-19 | 2003-03-18 | International Business Machines Corporation | Gate-controlled, graded-extension device for deep sub-micron ultra-high-performance devices |
FR2827705B1 (fr) | 2001-07-19 | 2003-10-24 | Commissariat Energie Atomique | Transistor et procede de fabrication d'un transistor sur un substrat sige/soi |
US7098105B2 (en) | 2004-05-26 | 2006-08-29 | Micron Technology, Inc. | Methods for forming semiconductor structures |
US7442976B2 (en) | 2004-09-01 | 2008-10-28 | Micron Technology, Inc. | DRAM cells with vertical transistors |
US7648871B2 (en) * | 2005-10-21 | 2010-01-19 | International Business Machines Corporation | Field effect transistors (FETS) with inverted source/drain metallic contacts, and method of fabricating same |
EP1786031A1 (en) * | 2005-11-10 | 2007-05-16 | STMicroelectronics S.r.l. | Vertical-gate mos transistor for high voltage applications with variable gate oxide thickness |
US7294554B2 (en) * | 2006-02-10 | 2007-11-13 | International Business Machines Corporation | Method to eliminate arsenic contamination in trench capacitors |
US7476933B2 (en) | 2006-03-02 | 2009-01-13 | Micron Technology, Inc. | Vertical gated access transistor |
US7923373B2 (en) | 2007-06-04 | 2011-04-12 | Micron Technology, Inc. | Pitch multiplication using self-assembling materials |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6394687A (ja) * | 1986-10-09 | 1988-04-25 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
JPS63287064A (ja) * | 1987-05-19 | 1988-11-24 | Fujitsu Ltd | Mis形半導体装置およびその製造方法 |
US5164325A (en) * | 1987-10-08 | 1992-11-17 | Siliconix Incorporated | Method of making a vertical current flow field effect transistor |
US5108937A (en) * | 1991-02-01 | 1992-04-28 | Taiwan Semiconductor Manufacturing Company | Method of making a recessed gate MOSFET device structure |
KR940002400B1 (ko) * | 1991-05-15 | 1994-03-24 | 금성일렉트론 주식회사 | 리세스 게이트를 갖는 반도체장치의 제조방법 |
JPH05144839A (ja) * | 1991-11-20 | 1993-06-11 | Sharp Corp | 半導体装置の製造方法 |
US5382534A (en) * | 1994-06-06 | 1995-01-17 | United Microelectronics Corporation | Field effect transistor with recessed buried source and drain regions |
-
1993
- 1993-12-29 KR KR1019930030866A patent/KR970009054B1/ko not_active Expired - Lifetime
-
1994
- 1994-12-28 JP JP6328247A patent/JPH07211906A/ja active Pending
- 1994-12-29 DE DE4447149A patent/DE4447149B4/de not_active Expired - Fee Related
-
1996
- 1996-11-22 US US08/753,293 patent/US5677210A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4447149B4 (de) | 2006-10-05 |
DE4447149A1 (de) | 1995-07-06 |
KR950021529A (ko) | 1995-07-26 |
JPH07211906A (ja) | 1995-08-11 |
US5677210A (en) | 1997-10-14 |
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