KR100305205B1 - 반도체소자의제조방법 - Google Patents
반도체소자의제조방법 Download PDFInfo
- Publication number
- KR100305205B1 KR100305205B1 KR1019950020974A KR19950020974A KR100305205B1 KR 100305205 B1 KR100305205 B1 KR 100305205B1 KR 1019950020974 A KR1019950020974 A KR 1019950020974A KR 19950020974 A KR19950020974 A KR 19950020974A KR 100305205 B1 KR100305205 B1 KR 100305205B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- forming
- silicon layer
- polycrystalline silicon
- barrier layer
- 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
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 27
- 230000004888 barrier function Effects 0.000 claims abstract description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 16
- 150000002500 ions Chemical class 0.000 claims abstract description 15
- 238000005530 etching Methods 0.000 claims abstract description 10
- 125000006850 spacer group Chemical group 0.000 claims abstract description 5
- 238000000151 deposition Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000012535 impurity Substances 0.000 claims description 11
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 11
- 229920002120 photoresistant polymer Polymers 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims description 6
- 238000000206 photolithography Methods 0.000 claims description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002019 doping agent Substances 0.000 claims description 2
- 238000001312 dry etching Methods 0.000 claims description 2
- 229920005591 polysilicon Polymers 0.000 claims description 2
- 238000001039 wet etching Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract 10
- 229910021419 crystalline silicon Inorganic materials 0.000 abstract 2
- 239000003989 dielectric material Substances 0.000 abstract 2
- 239000011229 interlayer Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
Classifications
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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]
- H10D30/01—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
- H01L21/70—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
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
-
- 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
- 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
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/017—Manufacturing their source or drain regions, e.g. silicided source or drain regions
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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (3)
- 반도체 소자의 제조방법에 있어서, 실리콘기판상에 N웰 및 P웰을 형성한 후 전체 상부면에 베리어층을 형성하고 채널이 형성될 부분의 상기 실리콘기판이 노출되도록 상기 베리어층을 패터닝하는 단계와, 상기 단계로부터 상기 실리콘기판의 표면을 세정시킨 후 노출된 실리콘기판상에는 단결정 실리콘층이 형성되고, 상기 베리어층상에는 제 1 다결정 실리콘층이 형성되도록 에피택셜 성장을 실시하는 단계와, 상기 단계로부터 상기 N웰 및 P웰이 접하는 부분의 필드영역에 필드산화막을 형성하는 동시에 상기 N웰 및 P웰에 도핑된 불순물이온이 외부확산되어 상기 단결정 실리콘층에 채널 도핑이 이루어지도록 LOCOS 공정을 실시하는 단계와, 상기 단계로부터 전체 상부면에 게이트산화막 및 제 2 다결정 실리콘층을 순차적으로 형성한 후 게이트전극용 마스크를 이용한 사진 및 식각공정으로 상기 제 2 다결정 실리콘층 및 게이트산화막을 순차적으로 패터닝하여 상기 단결정 실리콘층 상부에 게이트전극을 형성하는 단계와, 상기 단계로부터 노출된 상기 제 1 다결정 실리콘층에 저농도의 불순물이온을 주입하여 LDD영역을 형성하는 단계와, 상기 단계로부터 상기 게이트전극의 양측벽에 산화막 스페이서를 형성한 후 노출된 상기 제 1 다결정 실리콘층에 고농도의 불순물이온을 주입하여 접합영역을 형성하는 단계와, 상기 단계로부터 전체 상부면에 절연막 및 감광막을 순차적으로 형성한 후 콘택 마스크를 이용한 사진 및 식각공정으로 상기 감광막을 패터닝하는 단계와, 상기 단계로부터 상기 패터닝된 감광막을 마스크로 이용하여 상기 절연층을 소정 깊이 습식 식각한 후 나머지 두께의 절연층 및 제 1 다결정실리콘층을 순차적으로 건식 식각하여 상기 베리어층이 노출되도록 콘택홀을 형성하는 단계와, 상기 단계로부터 상기 콘택홀이 매립되도록 전체 상부면에 금속층을 형성한 후 금속배선용 마스크를 이용한 사진 및 식각공정으로 상기 금속층을 패터닝하여 금속배선을 형성하는 단계로 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 베리어층은 산화막인 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 절연막은 TEOS 및 BPSG 가 순차적으로 증착되어 형성되는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950020974A KR100305205B1 (ko) | 1995-07-18 | 1995-07-18 | 반도체소자의제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950020974A KR100305205B1 (ko) | 1995-07-18 | 1995-07-18 | 반도체소자의제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970008422A KR970008422A (ko) | 1997-02-24 |
KR100305205B1 true KR100305205B1 (ko) | 2001-11-30 |
Family
ID=37530031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950020974A Expired - Fee Related KR100305205B1 (ko) | 1995-07-18 | 1995-07-18 | 반도체소자의제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100305205B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117912956B (zh) * | 2024-03-18 | 2024-06-14 | 泰科天润半导体科技(北京)有限公司 | 一种低阻平面栅碳化硅mosfet的制造方法 |
-
1995
- 1995-07-18 KR KR1019950020974A patent/KR100305205B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR970008422A (ko) | 1997-02-24 |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19950718 |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20010523 |
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Comment text: Registration of Establishment Patent event date: 20010726 Patent event code: PR07011E01D |
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FPAY | Annual fee payment |
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LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20070609 |