KR20020055200A - 반도체 소자의 제조 방법 - Google Patents
반도체 소자의 제조 방법 Download PDFInfo
- Publication number
- KR20020055200A KR20020055200A KR1020000084566A KR20000084566A KR20020055200A KR 20020055200 A KR20020055200 A KR 20020055200A KR 1020000084566 A KR1020000084566 A KR 1020000084566A KR 20000084566 A KR20000084566 A KR 20000084566A KR 20020055200 A KR20020055200 A KR 20020055200A
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- interlayer insulating
- insulating film
- storage node
- metal
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000004065 semiconductor Substances 0.000 title claims abstract description 22
- 239000011229 interlayer Substances 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000005498 polishing Methods 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 37
- 239000000126 substance Substances 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000005530 etching Methods 0.000 claims abstract description 16
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 125000006850 spacer group Chemical group 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims 1
- 230000003071 parasitic effect Effects 0.000 abstract description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 23
- 229920005591 polysilicon Polymers 0.000 description 23
- 150000004767 nitrides Chemical class 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- 238000007517 polishing process Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- -1 spacer nitride Chemical class 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
- H01L21/70—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
- H01L21/30—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
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
-
- 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
- H01L21/7684—Smoothing; Planarisation
-
- 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)
- 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)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (8)
- 반도체 소자의 제조 방법에 있어서,반도체기판상에 제 1 층간절연막을 형성하는 단계;상기 제 1 층간절연막상에 다수의 비트라인을 형성하는 단계;상기 비트라인을 포함한 전면에 제 2 층간절연막을 형성하는 단계;상기 제 2 층간절연막상에 라인형 마스크를 형성하는 단계;상기 라인형마스크를 이용한 자기정렬콘택 식각으로 상기 비트라인 사이를 노출시키는 스토리지노드 콘택홀을 형성하는 단계;상기 노출된 비트라인의 양측벽에 접하는 스페이서를 형성하는 단계;상기 스토리지노드 콘택홀을 포함한 전면에 금속막을 형성하는 단계; 및상기 금속막을 금속슬러리를 이용한 화학적기계적연마로 연마하여 서로 분리되는 스토리지노드 콘택을 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 금속막의 화학적기계적연마시,상기 금속슬러리를 증류수에 희석시켜 상기 금속막과 상기 제 2 층간절연막의 연마선택비를 조절하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 2 항에 있어서,상기 금속슬러리와 상기 증류수는 1:1 내지 1:3의 비율로 희석되는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 제 2 층간절연막은 산화막인 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 스페이서는 저유전상수를 갖는 절연막을 이용하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 5 항에 있어서,상기 절연막은 산화막을 이용하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 금속막의 화학적기계적연마시,400ft/분∼600ft/분의 플레이트 속도, 3psi∼6psi의 연마압력으로 이루어지되 인시튜 조건으로 이루어지는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 금속막의 화학적기계적연마시,상기 금속막과 제 2 층간절연막의 선택비는 3:1∼5:1을 유지하는 것을 특징으로 하는 반도체 소자의 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0084566A KR100471403B1 (ko) | 2000-12-28 | 2000-12-28 | 반도체 소자의 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0084566A KR100471403B1 (ko) | 2000-12-28 | 2000-12-28 | 반도체 소자의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020055200A true KR20020055200A (ko) | 2002-07-08 |
KR100471403B1 KR100471403B1 (ko) | 2005-03-07 |
Family
ID=27687955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0084566A KR100471403B1 (ko) | 2000-12-28 | 2000-12-28 | 반도체 소자의 제조 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100471403B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100881749B1 (ko) * | 2002-12-30 | 2009-02-06 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
US7763542B2 (en) | 2005-10-12 | 2010-07-27 | Samsung Electronics Co., Ltd. | Semiconductor memory device and method of fabricating the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10068799B2 (en) | 2016-06-27 | 2018-09-04 | International Business Machines Corporation | Self-aligned contact |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6080620A (en) * | 1998-06-03 | 2000-06-27 | Vanguard International Semiconductor Corporation | Method for fabricating interconnection and capacitors of a DRAM using a simple geometry active area, self-aligned etching, and polysilicon plugs |
KR100285700B1 (ko) * | 1998-07-10 | 2001-04-02 | 윤종용 | 반도체장치의콘택형성방법및그구조 |
KR100268431B1 (ko) * | 1998-08-06 | 2000-10-16 | 윤종용 | 자기 정렬 콘택 및 그의 제조 방법 |
KR20010061080A (ko) * | 1999-12-28 | 2001-07-07 | 박종섭 | 반도체소자의 제조방법 |
-
2000
- 2000-12-28 KR KR10-2000-0084566A patent/KR100471403B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100881749B1 (ko) * | 2002-12-30 | 2009-02-06 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
US7763542B2 (en) | 2005-10-12 | 2010-07-27 | Samsung Electronics Co., Ltd. | Semiconductor memory device and method of fabricating the same |
Also Published As
Publication number | Publication date |
---|---|
KR100471403B1 (ko) | 2005-03-07 |
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