KR950008260B1 - 엘디디 엔채널 모스 트랜지스터의 제조방법 - Google Patents
엘디디 엔채널 모스 트랜지스터의 제조방법 Download PDFInfo
- Publication number
- KR950008260B1 KR950008260B1 KR1019920025337A KR920025337A KR950008260B1 KR 950008260 B1 KR950008260 B1 KR 950008260B1 KR 1019920025337 A KR1019920025337 A KR 1019920025337A KR 920025337 A KR920025337 A KR 920025337A KR 950008260 B1 KR950008260 B1 KR 950008260B1
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- South Korea
- Prior art keywords
- oxide film
- region
- mos transistor
- forming
- psg
- 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.)
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- 238000000034 method Methods 0.000 title claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- 239000010703 silicon Substances 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000009792 diffusion process Methods 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000005468 ion implantation Methods 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 7
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 239000012159 carrier gas Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 2
- 238000000197 pyrolysis Methods 0.000 claims 1
- 238000001039 wet etching Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 9
- 229910052785 arsenic Inorganic materials 0.000 description 6
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000007669 thermal treatment Methods 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]
- H10D30/01—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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H01L21/02129—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being boron or phosphorus doped silicon oxides, e.g. BPSG, BSG or PSG
-
- 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
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- 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
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- 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
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)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (7)
- 규소기판(1) 위에 필드산화막(2)과 게이트(28) 및 게이트산화막(27)을 순차로 형성하여 모스트랜지스터를 제조하는 방법에 있어서, 열산화에 의해 웨이퍼 표면에 소정의 두께로 규소산화막(29)을 형성하는 단계와, LPCVD에 의해 BSD(boro-silica-glass)를 형성하고 식각하여 상비 게이트(28)의 측면에 측벽산화막(30)을 형성하는 단계와, 상기 측벽산화막(3)을 이루는 상기 BSG에 함유된 붕소를 사이 규소기판(1)속으로 열확산시켜 p-영역(31)을 형성하는 단계와, 상기 규소산화막(29)을 습식식각한후 상기 LPCVD에 의해 30 내지 100nm의 두께로 PSG(phospho-silica-glass) (33)를 형성하는 단계와, 상기 PSG(33)에 함유된 인을 상기 규소기판(1)속으로 열확산시켜 n-영역(35)을 형성하는 단계와, 상기 PSG(33)에 함유된 인을 상기 규소기판(1)속으론 열확산시켜 n-영역(35)을 형성하는 단계와, 비소를 이온주입한후 열처리하여 엘디디(39)와 소오스(40) 및 드레인(41)을 형성하는 단계를 포함하는 것을 특징으로 하는 엘디디 엔채널 모스트랜지스터의 제조방법.
- 제1항에 있어서, 상기 규소산화막(29)은 100Å 내지 200Å두께로 형성되고, 상기 PSG(33)는 30nm 내지 100nm의 두께로 형성되는 것을 특징으로 하는 엘디디 엔채널 모스 트랜지스터의 제조방법.
- 제1항에 있어서, 상기 측벽산화막(30)으로부터 상기 규소기판(1)내로 인을 확산시켜 상기 p-영역(31)을 형성하는 단계는 급속 열처리와 열확산중 어느하나에 의해 수행되고, 상기 급속열처리는 1000℃ 내지 1050℃의 온도에서 30초 내지 2분동안 수행되고, 상기 열확산은 900℃ 내지 950℃의 온도에서 10분 내지 60분 동안 수행되는 것을 특징으로 하는 엘디디 엔채널 모스 트랜지스터의 제조방법.
- 제1항에 있어서, 상기 PSG(33)에 의해 상기 n-영역 (35)을 형성하는 단계는 급속열처리와 열확산중 어느하나에 의해 수행되고, 상기 급속열처리는 950℃ 내지 1050℃의 온도에서 10초 내지 60초 동안 수행되고, 상기 열확산은 850℃ 내지 900℃의 온도에서 10분 내지 30분동안 수행되는 것을 특징으로 하는 엘디디 엔채널 모스 트랜지스터의 제조방법.
- 제1항 또는 제3항에 있어서, 상기 p-영역(31)은 0.2 내지 0.4μm의 깊이와 5×1016내지 1×1017cm-3의 농도로 형성되는 것을 특징으로 하는 엘디디 엔채널 모스 트랜지스터의 제조방법.
- 제1항 또는 제4항에 있어서, 상기 n-영역 (35)은 0.1 내지 0 2μm의 깊이와 1×1017내지 5×1017cm-3의 농도로 형성되는 것을 특징으로 하는 엘디디 엔채널 모스 트랜지스터의 제조방법.
- 제1항에 있어서, 상기 BSG와 상기 PSG는 SiH4와 O2가스분위기에서 희석된 BH3가스를 운반가스에 혼합하여 300 내지 500℃에서 열분해하는 것에 의해 각각 형성되는 것을 특징으로 하는 엘디디 엔채널 모스트랜지스터의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920025337A KR950008260B1 (ko) | 1992-12-24 | 1992-12-24 | 엘디디 엔채널 모스 트랜지스터의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920025337A KR950008260B1 (ko) | 1992-12-24 | 1992-12-24 | 엘디디 엔채널 모스 트랜지스터의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940016906A KR940016906A (ko) | 1994-07-25 |
KR950008260B1 true KR950008260B1 (ko) | 1995-07-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019920025337A Expired - Fee Related KR950008260B1 (ko) | 1992-12-24 | 1992-12-24 | 엘디디 엔채널 모스 트랜지스터의 제조방법 |
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KR (1) | KR950008260B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100965213B1 (ko) * | 2002-12-30 | 2010-06-22 | 동부일렉트로닉스 주식회사 | 반도체 장치의 트렌지스터 형성 방법 |
-
1992
- 1992-12-24 KR KR1019920025337A patent/KR950008260B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100965213B1 (ko) * | 2002-12-30 | 2010-06-22 | 동부일렉트로닉스 주식회사 | 반도체 장치의 트렌지스터 형성 방법 |
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Publication number | Publication date |
---|---|
KR940016906A (ko) | 1994-07-25 |
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