KR100541704B1 - 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법 - Google Patents
금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법 Download PDFInfo
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- KR100541704B1 KR100541704B1 KR1020020041277A KR20020041277A KR100541704B1 KR 100541704 B1 KR100541704 B1 KR 100541704B1 KR 1020020041277 A KR1020020041277 A KR 1020020041277A KR 20020041277 A KR20020041277 A KR 20020041277A KR 100541704 B1 KR100541704 B1 KR 100541704B1
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- salicide
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- 239000002184 metal Substances 0.000 title claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000004065 semiconductor Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 7
- 239000010941 cobalt Substances 0.000 claims abstract description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000137 annealing Methods 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000001039 wet etching Methods 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000005468 ion implantation Methods 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
- H01L21/823418—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures
-
- 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
- H01L21/823437—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823443—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes silicided or salicided gate conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (8)
- 샬로우 트렌치 분리(STI)막이 형성된 반도체 기판 위에 웰(Well)을 형성한 다음 게이트를 한정하는 단계;상기 게이트 한정 후 NM/PM 이온을 주입한 후 상기 게이트 측벽에 LDD 스페이서를 형성하는 단계;상기 구조물 위에 N+/P+ 이온주입 공정을 진행하여 소스/드레인 영역을 형성하는 단계;상기 게이트의 상부 및 스페이서를 제외한 상기 구조물 위에 희생산화막을 선택적으로 형성하는 단계;상기 구조물 위에 살리사이드 형성을 위한 제 1 금속막을 형성하는 단계;상기 구조물 위에 제 1 어닐(anneal) 공정을 실시하여 상기 게이트의 상부에 살리사이드막을 형성하는 단계;상기 구조물 위에 선택적인 습식각을 통해 미반응 금속을 제거하고 제 2 어닐 공정을 실시하여 상태변을 완성하는 단계;상기 소스/드레인 영역 위에 살리사이드막을 형성하기 위한 제 2 금속막을 상기 구조물 위에 형성하는 단계; 및상기 구조물 위에 제 3 어닐 공정을 실시하여 상기 소스/드레인 영역 위에 살리사이드막을 형성한 후 상기 제 2 금속막을 제거하는 단계를 포함하는 것을 특징으로 하는 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 제 1 금속막은 스퍼터링 방법에 의해 코발트(Co)를 증착하는 것을 특징으로 하는 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 제 2 금속막은 실리콘 소모가 적은 니켈(Ni)을 사용하여 형성하는 것을 특징으로 하는 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 제 1 어닐 공정 시 열처리 온도는 450℃∼550℃ 정도인 것을 특징으로 하는 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 제 2 어닐 공정 시 열처리 온도는 700℃∼800℃ 정도인 것을 특징으로 하는 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 제 3 어닐 공정 시 열처리 온도는 400℃∼550℃ 정도인 것을 특징으로 하는 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 제 1 금속막 또는 상기 제 2 금속막의 잔류 금속 제거를 위해 선택적인 습식각을 추가로 사용하는 것을 특징으로 하는 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법.
- 제 7 항에 있어서,상기 선택적인 습식각은 "황산 : 과수"의 혼합액을 이용하는 것을 특징으로 하는 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법.
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KR1020020041277A KR100541704B1 (ko) | 2002-07-15 | 2002-07-15 | 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법 |
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KR1020020041277A KR100541704B1 (ko) | 2002-07-15 | 2002-07-15 | 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법 |
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KR20040007988A KR20040007988A (ko) | 2004-01-28 |
KR100541704B1 true KR100541704B1 (ko) | 2006-01-16 |
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KR1020020041277A KR100541704B1 (ko) | 2002-07-15 | 2002-07-15 | 금속 살리사이드 구조를 갖는 반도체 소자의 제조 방법 |
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