KR20040057834A - 반도체 소자의 컨택 형성 방법 - Google Patents
반도체 소자의 컨택 형성 방법 Download PDFInfo
- Publication number
- KR20040057834A KR20040057834A KR1020020084654A KR20020084654A KR20040057834A KR 20040057834 A KR20040057834 A KR 20040057834A KR 1020020084654 A KR1020020084654 A KR 1020020084654A KR 20020084654 A KR20020084654 A KR 20020084654A KR 20040057834 A KR20040057834 A KR 20040057834A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- contact
- forming
- active region
- region
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004065 semiconductor Substances 0.000 title claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 150000004767 nitrides Chemical class 0.000 claims description 22
- 238000005530 etching Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract 3
- 229920005591 polysilicon Polymers 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 1
- 238000001312 dry etching Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
-
- 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
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
Landscapes
- 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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (7)
- 필드 산화막으로 액티브 영역과 필드 영역을 구분하도록 소정의 하부구조가 형성된 반도체 기판을 준비하는 단계와,상기 필드 산화막과 액티브 영역의 경계 부분에 엷은 폴리층을 형성하는 단계와,상기 폴리층까지 액티브로 이용할 수 있도록 상기 폴리층과 상기 액티브 영역을 모두 살리사이드(salicide)화 시키는 단계와;상기 살리사이드가 형성된 영역과 상기 필드 산화막 상에 PMD(pre-metal-dielectric)을 형성하는 단계를포함하는 것을 특징으로 반도체 소자의 컨택 형성 방법.
- 제 1항에 있어서, 상기 PMD 층을 형성하는 단계 이후에, 상기 PMD 층을 식각하여 컨택홀을 형성하는 단계를 더 포함하는 것을 특징으로 반도체 소자의 컨택 형성 방법.
- 제 2항에 있어서, 상기 컨택홀을 형성하는 단계에서 상기 살리사이드로 형성된 층이 식각 방지막의 역할을 하는 것을 특징으로 반도체 소자의 컨택 형성 방법.
- 제 1항에 있어서, 상기 살리사이드를 형성하는 단계 이후에, BLC(borderless contact) 질화막을 형성하는 단계를 더 포함하는 반도체 소자의 컨택 형성 방법.
- 제 4항에 있어서, 상기 컨택홀을 형성하는 단계에서 상기 BLC 질화막이 식각 방지막의 역할을 하는 것을 특징으로 반도체 소자의 컨택 형성 방법.
- 제 3 또는 5항에 있어서, 상기 컨택홀을 형성하는 단계에서 상기 필드 산화막의 손실(loss)이 일어나지 않는 것을 특징으로 하는 반도체 소자의 컨택 형성 방법.
- 제 1항에 있어서, 상기 액티브 영역의 증가 현상으로 인하여 컨택 접촉 면적의 증가 효과를 얻기 때문에 컨택 저항이 향상되는 것을 특징으로 하는 반도체 소자의 컨택 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020084654A KR100920000B1 (ko) | 2002-12-26 | 2002-12-26 | 반도체 소자의 컨택 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020084654A KR100920000B1 (ko) | 2002-12-26 | 2002-12-26 | 반도체 소자의 컨택 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040057834A true KR20040057834A (ko) | 2004-07-02 |
KR100920000B1 KR100920000B1 (ko) | 2009-10-05 |
Family
ID=37350382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020084654A KR100920000B1 (ko) | 2002-12-26 | 2002-12-26 | 반도체 소자의 컨택 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100920000B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101158061B1 (ko) * | 2004-12-14 | 2012-06-18 | 매그나칩 반도체 유한회사 | 반도체 소자의 콘택홀 형성 방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990033869A (ko) * | 1997-10-27 | 1999-05-15 | 윤종용 | 반도체 장치의 셀프-얼라인 콘택 형성방법 |
KR100325601B1 (ko) * | 1999-05-11 | 2002-02-25 | 황인길 | 반도체 소자의 접촉구 형성 방법 |
KR100333353B1 (ko) * | 2000-02-21 | 2002-04-18 | 박종섭 | 반도체장치의 콘택홀 및 그 형성방법 |
-
2002
- 2002-12-26 KR KR1020020084654A patent/KR100920000B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101158061B1 (ko) * | 2004-12-14 | 2012-06-18 | 매그나칩 반도체 유한회사 | 반도체 소자의 콘택홀 형성 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100920000B1 (ko) | 2009-10-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6864152B1 (en) | Fabrication of trenches with multiple depths on the same substrate | |
US6303447B1 (en) | Method for forming an extended metal gate using a damascene process | |
US5950093A (en) | Method for aligning shallow trench isolation | |
KR100604816B1 (ko) | 집적 회로 소자 리세스 트랜지스터의 제조 방법 및 이에의해 제조된 집적회로 소자 리세스 트랜지스터 | |
JP2005191331A (ja) | 半導体装置の製造方法 | |
US6649489B1 (en) | Poly etching solution to improve silicon trench for low STI profile | |
US6653194B1 (en) | Method for forming contact hole in semiconductor device | |
US20070161253A1 (en) | Method of fabricating a trench isolation layer in a semiconductor device | |
US20060105578A1 (en) | High-selectivity etching process | |
KR100920000B1 (ko) | 반도체 소자의 컨택 형성 방법 | |
US6498081B2 (en) | Method of manufacturing self-aligned contact hole | |
KR20030002709A (ko) | 플래시 메모리 소자의 소자분리막의 트랜치 형성 방법 | |
US7371665B2 (en) | Method for fabricating shallow trench isolation layer of semiconductor device | |
KR100607331B1 (ko) | 반도체 소자의 비트라인 형성방법 | |
KR100567028B1 (ko) | 산화를 이용하여 얕은 트렌치 아이솔레이션의 프로파일을개선하는 방법 | |
KR100325601B1 (ko) | 반도체 소자의 접촉구 형성 방법 | |
KR100223825B1 (ko) | 반도체 소자의 격리영역 형성방법 | |
KR100575616B1 (ko) | 반도체소자의 무경계 콘택홀 형성방법 | |
KR100586072B1 (ko) | 얕은 트렌치 아이솔레이션 코너의 모우트 개선방법 | |
KR20030092525A (ko) | 반도체 소자의 콘택홀 형성 방법 | |
KR20040056961A (ko) | 얕은 트렌치 아이솔레이션 코너의 모우트 개선방법 | |
KR20020096466A (ko) | 플래쉬 메모리 소자의 제조방법 | |
KR20030001752A (ko) | 반도체 소자의 평탄화 방법 | |
KR20040000191A (ko) | 이중 하드마스크를 이용한 트랜치 형성 방법 | |
KR20050002939A (ko) | 반도체 제조공정의 샐로우 트렌치 형성방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
N231 | Notification of change of applicant | ||
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120823 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20130821 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20140820 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20150818 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20160817 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20170818 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20180820 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20190819 Year of fee payment: 11 |