KR20100045060A - 산화물 cmp에서의 층간절연막 및 이를 이용한 산화물 cmp 방법 - Google Patents
산화물 cmp에서의 층간절연막 및 이를 이용한 산화물 cmp 방법 Download PDFInfo
- Publication number
- KR20100045060A KR20100045060A KR1020080104089A KR20080104089A KR20100045060A KR 20100045060 A KR20100045060 A KR 20100045060A KR 1020080104089 A KR1020080104089 A KR 1020080104089A KR 20080104089 A KR20080104089 A KR 20080104089A KR 20100045060 A KR20100045060 A KR 20100045060A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- oxide
- cmp
- stop
- deposited
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 94
- 239000011229 interlayer Substances 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000000151 deposition Methods 0.000 claims abstract description 15
- 150000004767 nitrides Chemical class 0.000 claims description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 7
- 229920005591 polysilicon Polymers 0.000 claims description 7
- 230000008021 deposition Effects 0.000 claims description 4
- 239000010408 film Substances 0.000 description 132
- 239000010410 layer Substances 0.000 description 28
- 235000012431 wafers Nutrition 0.000 description 13
- 238000001514 detection method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000005498 polishing Methods 0.000 description 6
- 238000007517 polishing process Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 4
- 238000005137 deposition process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
- B24B37/013—Devices or means for detecting lapping completion
-
- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76819—Smoothing of the dielectric
-
- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76829—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 dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
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- 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)
- Mechanical Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (5)
- 하부금속배선의 상부에 층간절연막을 증착시킨 후에 CMP 공정으로 평탄화시키는 과정에 사용되는 상기 하부금속배선의 상부에 증착되는 층간절연막으로서,상기 층간절연막은하부금속배선의 상부에 규정된 두께만큼 형성된 제1산화막;상기 제1산화막위에 증착되어 CMP 공정의 정지막으로 사용되는 정지막;상기 정지막의 상부에 증착되어 CMP 공정에 의해 제거되는 제2산화막을 포함하는 것을 특징으로 하는 산화물 CMP 공정에서의 층간절연막.
- 제1항에 있어서, 상기 제1산화막은 규정된 두께보다 1 내지 1000Å 두껍게 형성된 것을 특징으로 하는 산화물 CMP 공정에서의 층간절연막.
- 제1항에 있어서, 상기 정지막은 1 내지 100Å의 두께로 형성되는 것을 특징으로 하는 산화물 CMP 공정에서의 층간절연막.
- 제1항에 있어서, 상기 정지막은 폴리실리콘막 또는 질화막인 것을 특징으로 하는 산화물 CMP 공정에서의 층간절연막.
- 하부금속배선의 상부에 층간절연막으로 산화물을 증착시킨 후에 CMP 공정으 로 평탄화시키는 과정에 있어서,하부 금속배선이 형성된 웨이퍼에 산화물이 규정된 두께 내지 규정된 두께보다 1000Å 두껍게 증착된 제1산화막, 폴리실리콘막 또는 질화막으로 이루어진 정지막, 제2산화막을 순차적으로 증착시키는 증착단계;CMP 공정으로 상기 정지막을 종말점으로 하여 제2산화막, 정지막과 제1산화막의 상기 규정된 두께보다 두껍게 증착된 부분을 제거하는 단계를 포함하는 것을 특징으로 하는 산화물 CMP 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080104089A KR20100045060A (ko) | 2008-10-23 | 2008-10-23 | 산화물 cmp에서의 층간절연막 및 이를 이용한 산화물 cmp 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080104089A KR20100045060A (ko) | 2008-10-23 | 2008-10-23 | 산화물 cmp에서의 층간절연막 및 이를 이용한 산화물 cmp 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20100045060A true KR20100045060A (ko) | 2010-05-03 |
Family
ID=42272859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080104089A Ceased KR20100045060A (ko) | 2008-10-23 | 2008-10-23 | 산화물 cmp에서의 층간절연막 및 이를 이용한 산화물 cmp 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20100045060A (ko) |
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2008
- 2008-10-23 KR KR1020080104089A patent/KR20100045060A/ko not_active Ceased
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20081023 |
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Patent event date: 20101005 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20100429 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |