KR100223916B1 - 반도체 소자의 구조 및 제조방법 - Google Patents
반도체 소자의 구조 및 제조방법 Download PDFInfo
- Publication number
- KR100223916B1 KR100223916B1 KR1019960038970A KR19960038970A KR100223916B1 KR 100223916 B1 KR100223916 B1 KR 100223916B1 KR 1019960038970 A KR1019960038970 A KR 1019960038970A KR 19960038970 A KR19960038970 A KR 19960038970A KR 100223916 B1 KR100223916 B1 KR 100223916B1
- Authority
- KR
- South Korea
- Prior art keywords
- source
- layer
- drain
- semiconductor substrate
- gate
- 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 - Fee Related
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 239000010408 film Substances 0.000 claims description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 23
- 229910052710 silicon Inorganic materials 0.000 claims description 23
- 239000010703 silicon Substances 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 229910021332 silicide Inorganic materials 0.000 claims description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical group [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 2
- 229920005591 polysilicon Polymers 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 2
- 238000000059 patterning Methods 0.000 claims 2
- 229910021419 crystalline silicon Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 108091006146 Channels Proteins 0.000 description 27
- 230000005684 electric field Effects 0.000 description 5
- 108090000699 N-Type Calcium Channels Proteins 0.000 description 4
- 102000004129 N-Type Calcium Channels Human genes 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- 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
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
-
- 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
- H01L21/30—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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/32055—Deposition of semiconductive layers, e.g. poly - or amorphous silicon layers
-
- 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
- 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
-
- 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]
- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
- H10D30/795—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions being in lateral device isolation regions, e.g. STI
-
- 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]
- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
- H10D30/797—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions being in source or drain regions, e.g. SiGe source or drain
Landscapes
- Engineering & Computer Science (AREA)
- 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)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (8)
- 반도체 기판 상에 형성된 게이트; 상기 게이트 하단의 반도체 기판 표면 아래에 함몰된 다층형태의 제 1 절연막과 제 2 절연막 및, 두 막 사이의 채널층; 상기 게이트 측면에 반도체 기판의 표면을 따라 형성된 금속층; 상기 금속층 하부의 반도체 기판 내에 상기 제 1 절연막 하단면선에 이르는 소오스/드레인; 및, 상기 소오스/드레인 측면에 형성된 격리막으로 구비된 것을 특징으로 하는 반도체 소자의 구조.
- 제 1 항에 있어서, 상기 채널층은 단결정 실리콘(single crystalline)인 것을 특징으로 하는 반도체 소자의 구조.
- 제 1 항에 있어서, 상기 제 1 및, 제 2 절연막과 격리막은 실리콘 산화막(SiO2)인 것을 특징으로 하는 반도체 소자의 구조.
- 제 1 항에 있어서, 상기 반도체 기판은 SIMOX(Separation by IMplanted OXygen)인 것을 특징으로 하는 반도체 소자의 구조.
- 제 1 항에 있어서, 상기 금속층은 텅스텐, 혹은 티타늄 등으로 이루어진 실리사이드층인 것을 특징으로 하는 반도체 소자의 구조.
- 반도체 소자의 제조방법에 있어서, 제 1 절연막과 박막의 단결정 실리콘층이 구비되어진 반도체 기판을 마련하는 단계; 상기 반도체 기판 상에 제 2 절연막을 증착하는 단계; 상기 제 2 절연막과 반도체 기판 내의 소정영역에 소오스/드레인을 형성하는 단계; 상기 소오스/드레인 사이의 제 2 절연막 내에 고농도로 도핑된 폴리실리콘을 이온주입하여 게이트를 형성하는 단계; 상기 소오스/드레인 측면에 격리막을 형성하는 단계; 및, 상기 소오스 및, 드레인 표면에 금속층을 형성하는 단계를 포함하여 구성되는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 6 항에 있어서, 상기 소오스/드레인 형성단계는 상기 제 2 절연막 상의 소정부에 소오스/드레인 영역을 패터닝할 후, 상기 제 1 절연막 하단면선을 타켓으로 식각공정으로 트렌치를 하는 단계; 상기 반도체 기판 전면에 고농도로 도핑된 실리콘 에피층을 증착하는 단계; 및, 상기 실리콘 에피층을 패터닝한 후, 식각공정을 실시하여 소오스/드레인인 영역을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 6 항에 있어서, 격리막을 형성하는 단계는 상기 박막의 단결정 실리콘층에 산소(O2)를 이온 주입하여 실리콘 산화막(SiO2)으로 형성하는 것을 특징으로 하는 반도체 소자의 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960038970A KR100223916B1 (ko) | 1996-09-09 | 1996-09-09 | 반도체 소자의 구조 및 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960038970A KR100223916B1 (ko) | 1996-09-09 | 1996-09-09 | 반도체 소자의 구조 및 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980020478A KR19980020478A (ko) | 1998-06-25 |
KR100223916B1 true KR100223916B1 (ko) | 1999-10-15 |
Family
ID=19473144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960038970A Expired - Fee Related KR100223916B1 (ko) | 1996-09-09 | 1996-09-09 | 반도체 소자의 구조 및 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100223916B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100949883B1 (ko) * | 2008-04-03 | 2010-03-25 | 주식회사 하이닉스반도체 | 반도체 소자의 형성 방법 |
-
1996
- 1996-09-09 KR KR1019960038970A patent/KR100223916B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19980020478A (ko) | 1998-06-25 |
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