KR100455723B1 - 비트라인 형성방법 - Google Patents
비트라인 형성방법 Download PDFInfo
- Publication number
- KR100455723B1 KR100455723B1 KR10-2001-0056515A KR20010056515A KR100455723B1 KR 100455723 B1 KR100455723 B1 KR 100455723B1 KR 20010056515 A KR20010056515 A KR 20010056515A KR 100455723 B1 KR100455723 B1 KR 100455723B1
- Authority
- KR
- South Korea
- Prior art keywords
- bit line
- dry etching
- mask pattern
- insulating layer
- forming
- 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
- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 57
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 238000005530 etching Methods 0.000 claims abstract description 6
- 238000001312 dry etching Methods 0.000 claims description 28
- 229920002120 photoresistant polymer Polymers 0.000 claims description 22
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 8
- 229910001882 dioxygen Inorganic materials 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims description 2
- 229910021342 tungsten silicide Inorganic materials 0.000 claims description 2
- 238000000206 photolithography Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 42
- 239000004065 semiconductor Substances 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
Classifications
-
- 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
- H01L21/02—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
- H01L21/02—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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic layers by chemical means by dry-etching
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/48—Data lines or contacts therefor
- H10B12/482—Bit lines
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (14)
- 기판 상에 비트라인 형성용 도전층 및 절연층을 차례로 형성하는 단계;상기 절연층 상에 소정영역을 개구시키는 제 1마스크 패턴을 형성하는 단계;상기 제 1마스크 패턴을 등방성 건식 식각하여 제 2마스크 패턴을 형성하는 단계;상기 제 2마스크패턴을 이용하여 상기 절연층을 이방성 건식 식각하는 단계;상기 제 2마스크패턴을 제거하는 단계; 및상기 잔류된 절연층을 마스크로 하여 상기 도전층을 이방성 건식 식각하여 비트라인을 형성하는 단계을 포함하는 것을 특징으로 하는 비트라인 형성방법.
- 제 1항에 있어서, 상기 제 1마스크 패턴은 감광막을 포토리쏘그파리 공정에 의해 식각하여 형성하는 것을 특징으로 하는 비트라인 형성방법.
- 삭제
- 제 1항에 있어서, 상기 등방성 건식 식각 공정은 마이크로파를 이용하는 플라즈마 방식의 건식식각 장비에서 진행하는 것을 특징으로 하는 비트라인 형성방법.
- 제 1항에 있어서, 상기 등방성 건식식각 공정은 산소가스를 공급하여 진행하는 것을 특징으로 하는 비트라인 형성방법.
- 제 5항에 있어서, 상기 산소가스에 CF4가스를 추가하여 공급하는 것을 특징으로 하는 비트라인 형성방법.
- 제 5항에 있어서, 상기 산소가스는 350∼450sccm 의 유량으로 공급하는 것을 특징으로 하는 비트라인 형성방법.
- 제 5항에 있어서, 상기 산소가스는 800sccm 의 유량으로 공급하는 것을 특징으로 하는 비트라인 형성방법.
- 제 1항에 있어서, 상기 등방성 건식식각 공정은 400와트 이하의 소오스파워를 인가하는 것을 특징으로 하는 비트라인 형성방법.
- 제 1항에 있어서, 상기 등방성 건식식각 공정은 200∼300와트의 소오스파워를 인가하는 것을 특징으로 하는 비트라인 형성방법.
- 제 1항에 있어서, 상기 등방성 건식식각 공정은 600∼1000mT의 압력을 가하는 것을 특징으로 하는 비트라인 형성방법.
- 제 1항에 있어서, 상기 절연층은 산화막 또는 질화막을 이용하는 것을 특징으로 하는 비트라인 형성방법.
- 제 1항에 있어서, 상기 도전층은 텅스텐 또는 텅스텐실리사이드인 것을 특징으로 하는 비트라인 형성방법.
- 제 1항에 있어서, 상기 제 2마스크패턴은 상기 제 1마스크 패턴을 1분당 3000Å 이하의 두께로 식각하는 속도로 형성하는 것을 특징으로 하는 비트라인 형성방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0056515A KR100455723B1 (ko) | 2001-09-13 | 2001-09-13 | 비트라인 형성방법 |
JP2002030578A JP2003086572A (ja) | 2001-09-13 | 2002-02-07 | 半導体装置のビットライン形成方法 |
US10/067,265 US6753265B2 (en) | 2001-09-13 | 2002-02-07 | Method for manufacturing bit line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0056515A KR100455723B1 (ko) | 2001-09-13 | 2001-09-13 | 비트라인 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030023353A KR20030023353A (ko) | 2003-03-19 |
KR100455723B1 true KR100455723B1 (ko) | 2004-11-12 |
Family
ID=19714244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0056515A Expired - Fee Related KR100455723B1 (ko) | 2001-09-13 | 2001-09-13 | 비트라인 형성방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6753265B2 (ko) |
JP (1) | JP2003086572A (ko) |
KR (1) | KR100455723B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030050845A (ko) * | 2001-12-19 | 2003-06-25 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
JP2004356469A (ja) * | 2003-05-30 | 2004-12-16 | Renesas Technology Corp | 半導体集積回路装置の製造方法 |
KR100672725B1 (ko) * | 2005-07-07 | 2007-01-24 | 동부일렉트로닉스 주식회사 | 반도체 소자의 제조방법 |
JP2011253832A (ja) * | 2008-07-24 | 2011-12-15 | Canon Anelva Corp | レジストトリミング方法及びトリミング装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62118523A (ja) * | 1985-11-19 | 1987-05-29 | Fujitsu Ltd | 配線の形成方法 |
JPH01205523A (ja) * | 1988-02-12 | 1989-08-17 | Sanyo Electric Co Ltd | 電極の形成方法 |
KR920010764A (ko) * | 1990-11-07 | 1992-06-27 | 김광호 | 반도체 소자의 제조방법 |
KR970013046A (ko) * | 1995-08-28 | 1997-03-29 | 김주용 | 반도체 소자의 제조 방법 |
KR980005303A (ko) * | 1996-06-21 | 1998-03-30 | 김주용 | 반도체 소자의 패턴 형성 방법 |
KR100273118B1 (ko) * | 1998-04-18 | 2001-02-01 | 김충환 | 반도체소자의금속배선형성방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4495220A (en) | 1983-10-07 | 1985-01-22 | Trw Inc. | Polyimide inter-metal dielectric process |
CA1313792C (en) | 1986-02-28 | 1993-02-23 | Junji Hirokane | Method of manufacturing photo-mask and photo-mask manufactured thereby |
KR940010315B1 (ko) | 1991-10-10 | 1994-10-22 | 금성 일렉트론 주식회사 | 반도체 소자의 미세 패턴 형성 방법 |
US5286674A (en) | 1992-03-02 | 1994-02-15 | Motorola, Inc. | Method for forming a via structure and semiconductor device having the same |
JPH0621018A (ja) | 1992-06-29 | 1994-01-28 | Sony Corp | ドライエッチング方法 |
JPH08321484A (ja) | 1995-05-24 | 1996-12-03 | Nec Corp | 半導体装置の製造方法 |
JPH0982797A (ja) | 1995-09-19 | 1997-03-28 | Nippon Steel Corp | 半導体装置およびその製造方法 |
US6008131A (en) | 1997-12-22 | 1999-12-28 | Taiwan Semiconductor Manufacturing Company Ltd. | Bottom rounding in shallow trench etching using a highly isotropic etching step |
US6150263A (en) * | 1998-11-09 | 2000-11-21 | United Microelectronics Corp. | Method of fabricating small dimension wires |
JP2001060672A (ja) * | 1999-08-20 | 2001-03-06 | Mitsubishi Electric Corp | エッチング方法およびエッチングマスク |
US6184081B1 (en) | 1999-10-08 | 2001-02-06 | Vanguard International Semiconductor Corporation | Method of fabricating a capacitor under bit line DRAM structure using contact hole liners |
US20020187434A1 (en) * | 2001-05-25 | 2002-12-12 | Blatchford James W. | Process for device fabrication in which the size of lithographically produced features is subsequently reduced |
-
2001
- 2001-09-13 KR KR10-2001-0056515A patent/KR100455723B1/ko not_active Expired - Fee Related
-
2002
- 2002-02-07 US US10/067,265 patent/US6753265B2/en not_active Expired - Lifetime
- 2002-02-07 JP JP2002030578A patent/JP2003086572A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62118523A (ja) * | 1985-11-19 | 1987-05-29 | Fujitsu Ltd | 配線の形成方法 |
JPH01205523A (ja) * | 1988-02-12 | 1989-08-17 | Sanyo Electric Co Ltd | 電極の形成方法 |
KR920010764A (ko) * | 1990-11-07 | 1992-06-27 | 김광호 | 반도체 소자의 제조방법 |
KR970013046A (ko) * | 1995-08-28 | 1997-03-29 | 김주용 | 반도체 소자의 제조 방법 |
KR980005303A (ko) * | 1996-06-21 | 1998-03-30 | 김주용 | 반도체 소자의 패턴 형성 방법 |
KR100273118B1 (ko) * | 1998-04-18 | 2001-02-01 | 김충환 | 반도체소자의금속배선형성방법 |
Also Published As
Publication number | Publication date |
---|---|
US20030049926A1 (en) | 2003-03-13 |
KR20030023353A (ko) | 2003-03-19 |
JP2003086572A (ja) | 2003-03-20 |
US6753265B2 (en) | 2004-06-22 |
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