KR100455724B1 - 반도체소자의 플러그 형성방법 - Google Patents
반도체소자의 플러그 형성방법 Download PDFInfo
- Publication number
- KR100455724B1 KR100455724B1 KR10-2001-0061885A KR20010061885A KR100455724B1 KR 100455724 B1 KR100455724 B1 KR 100455724B1 KR 20010061885 A KR20010061885 A KR 20010061885A KR 100455724 B1 KR100455724 B1 KR 100455724B1
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- South Korea
- Prior art keywords
- forming
- plug
- layer
- episilicon
- semiconductor device
- 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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Links
- 238000000034 method Methods 0.000 title claims abstract description 98
- 239000004065 semiconductor Substances 0.000 title claims abstract description 35
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 25
- 239000010703 silicon Substances 0.000 claims abstract description 25
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims abstract description 12
- 229920005591 polysilicon Polymers 0.000 claims abstract description 11
- 238000000038 ultrahigh vacuum chemical vapour deposition Methods 0.000 claims abstract description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 6
- 239000010937 tungsten Substances 0.000 claims abstract description 6
- 239000005380 borophosphosilicate glass Substances 0.000 claims abstract description 4
- 150000004767 nitrides Chemical class 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 34
- 239000011229 interlayer Substances 0.000 description 13
- 238000005530 etching Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 206010053759 Growth retardation Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000009036 growth inhibition Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
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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
- H01L21/02—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
-
- 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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- 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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28525—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table the conductive layers comprising semiconducting material
-
- 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
- H01L21/76838—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 conductors
- H01L21/76895—Local interconnects; Local pads, as exemplified by patent document EP0896365
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)
- Electrodes Of Semiconductors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (16)
- 실리콘기판 상에 BPSG 산화막 또는 순수산화막으로 이루어진 절연막을 3000 내지 7000Å의 두께로 형성하는 단계;상기 절연막내에 콘택홀을 형성하는 단계;상기 콘택홀내에 LPCVD 또는 UHVCVD 방법에 따라 에피실리콘층을 1500 내지 2000Å의 두께로 형성하는 단계; 및상기 에피실리콘층 상에 에피실리콘층, 다결정실리콘층 및 텅스텐층으로 구성된 그룹으로부터 선택되는 어느 하나로 이루어진 도전성플러그를 1000 내지 3000Å의 두께로 형성하는 단계를 포함하는 것을 특징으로 하는 반도체소자의 플러그 형성방법.
- 제1항에 있어서, 상기 절연막을 형성하는 전 단계에서 실리콘기판상에 게이트를 형성하는 단계를 더 포함하는 것을 특징으로하는 반도체소자의 플러그 형성방법.
- 제2항에 있어서, 상기 게이트는 500 내지 1500 Å의 다결정실리콘 또는 500 내지 1500 Å의 텅스텐으로 형성하거나 이들 두 막을 적층하여 사용하는 것을 특징으로하는 반도체소자의 플러그 형성방법.
- 제2항에 있어서, 상기 게이트상면에 1000 내지 3000 Å 두께의 질화물 계열의 하드마스크를 형성하는 단계를 더 포함하는 것을 특징으로하는 반도체소자의 플러그 형성방법.
- 제4항에 있어서, 상기 질화물계열의 하드마스크는 LPCVD 방법 또는 PECVD 방법으로 형성하는 것을 특징으로 하는 반도체소자의 플러그 형성방법.
- 제2항에 있어서, 상기 게이트측면에 100 내지 500 Å 두께의 질화물 계열의 절연막스페이서를 형성하는 단계를 더 포함하는 것을 특징으로하는 반도체소자의 플러그 형성방법.
- 제6항에 있어서, 상기 질화물계열의 절연막스페이서는 LPCVD 방법 또는 PECVD 방법으로 형성하는 것을 특징으로 하는 반도체소자의 플러그 형성방법.
- 삭제
- 삭제
- 제1항에 있어서, 상기 에피실리콘층을 LPCVD 방법에 따라 형성하는 경우, 800 내지 1000℃의 온도에서 1 내지 5분간 수소 베이크 공정을 실시하는 것을 특징으로하는 반도체소자의 플러그 형성방법.
- 제1항에 있어서, 상기 에피실리콘층을 LPCVD 방법에 따라 형성하는 경우, 5 내지 300Torr의 압력을 유지한 상태에서 SiH2Cl2가스와 HCl 가스를 각각 10 내지 500sccm 정도로 유입시켜 실시하는 것을 특징으로하는 반도체소자의 플러그 형성방법.
- 제1항에 있어서, 상기 에피실리콘층을 UHVCVD 방법에 따라 형성하는 경우, 400 내지 800℃의 온도 및 0.1 내지 20mTorr 압력하에서 수소 베이크 공정을 실시하는 것을 특징으로하는 반도체소자의 플러그 형성방법.
- 제1항에 있어서, 상기 에피실리콘층을 UHVCVD 방법에 따라 형성하는 경우, 400 내지 800℃의 온도 및 0.1mTorr 내지 100Torr의 압력을 유지한 상태에서 SiH2Cl2가스와 Cl2가스를 사용하여 실시하는 것을 특징으로하는 반도체소자의 플러그 형성방법.
- 삭제
- 삭제
- 삭제
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0061885A KR100455724B1 (ko) | 2001-10-08 | 2001-10-08 | 반도체소자의 플러그 형성방법 |
US10/034,242 US6472303B1 (en) | 2001-10-08 | 2001-12-28 | Method of forming a contact plug for a semiconductor device |
JP2001399958A JP4646174B2 (ja) | 2001-10-08 | 2001-12-28 | 半導体素子の製造方法 |
TW090133285A TW530383B (en) | 2001-10-08 | 2001-12-31 | Method of forming a contact plug for a semiconductor device |
US13/568,920 USRE45232E1 (en) | 2001-10-08 | 2012-08-07 | Method of forming a contact plug for a semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0061885A KR100455724B1 (ko) | 2001-10-08 | 2001-10-08 | 반도체소자의 플러그 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030029398A KR20030029398A (ko) | 2003-04-14 |
KR100455724B1 true KR100455724B1 (ko) | 2004-11-12 |
Family
ID=19714947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0061885A Expired - Lifetime KR100455724B1 (ko) | 2001-10-08 | 2001-10-08 | 반도체소자의 플러그 형성방법 |
Country Status (4)
Country | Link |
---|---|
US (2) | US6472303B1 (ko) |
JP (1) | JP4646174B2 (ko) |
KR (1) | KR100455724B1 (ko) |
TW (1) | TW530383B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101063861B1 (ko) * | 2003-07-18 | 2011-09-14 | 매그나칩 반도체 유한회사 | 반도체 소자의 플러그 폴리 패드 형성방법 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100505456B1 (ko) * | 2002-11-27 | 2005-08-05 | 주식회사 하이닉스반도체 | 반도체 소자의 랜딩 플러그 형성방법 |
KR100632036B1 (ko) * | 2002-12-30 | 2006-10-04 | 동부일렉트로닉스 주식회사 | 반도체 메모리 소자의 제조 방법 |
KR100503519B1 (ko) * | 2003-01-22 | 2005-07-22 | 삼성전자주식회사 | 반도체 장치 및 그 제조방법 |
US7468311B2 (en) * | 2003-09-30 | 2008-12-23 | Tokyo Electron Limited | Deposition of silicon-containing films from hexachlorodisilane |
KR100602092B1 (ko) * | 2004-07-26 | 2006-07-14 | 동부일렉트로닉스 주식회사 | 반도체 소자 및 그 제조방법 |
KR100602093B1 (ko) * | 2004-07-26 | 2006-07-19 | 동부일렉트로닉스 주식회사 | 반도체 소자 및 그 제조방법 |
KR100636670B1 (ko) * | 2004-12-16 | 2006-10-23 | 주식회사 하이닉스반도체 | 랜딩 플러그 콘택 마스크 및 이를 이용한 플러그 제조 방법 |
KR100637689B1 (ko) * | 2005-04-21 | 2006-10-24 | 주식회사 하이닉스반도체 | 고상에피택시 방식을 이용한 반도체소자의 콘택 형성 방법 |
JP4215787B2 (ja) * | 2005-09-15 | 2009-01-28 | エルピーダメモリ株式会社 | 半導体集積回路装置およびその製造方法 |
JP2007294618A (ja) * | 2006-04-24 | 2007-11-08 | Elpida Memory Inc | 半導体装置の製造方法及び半導体装置 |
JP4552926B2 (ja) * | 2006-11-20 | 2010-09-29 | エルピーダメモリ株式会社 | 半導体装置及び半導体装置の製造方法 |
US20120261772A1 (en) * | 2011-04-15 | 2012-10-18 | Haizhou Yin | Semiconductor Device and Method for Manufacturing the Same |
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- 2001-12-28 US US10/034,242 patent/US6472303B1/en not_active Ceased
- 2001-12-31 TW TW090133285A patent/TW530383B/zh not_active IP Right Cessation
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2012
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KR101063861B1 (ko) * | 2003-07-18 | 2011-09-14 | 매그나칩 반도체 유한회사 | 반도체 소자의 플러그 폴리 패드 형성방법 |
Also Published As
Publication number | Publication date |
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USRE45232E1 (en) | 2014-11-04 |
KR20030029398A (ko) | 2003-04-14 |
JP2003124144A (ja) | 2003-04-25 |
US6472303B1 (en) | 2002-10-29 |
JP4646174B2 (ja) | 2011-03-09 |
TW530383B (en) | 2003-05-01 |
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