KR101044281B1 - 기공이 형성된 cmp 연마패드와 그의 제조방법 - Google Patents
기공이 형성된 cmp 연마패드와 그의 제조방법 Download PDFInfo
- Publication number
- KR101044281B1 KR101044281B1 KR1020090069961A KR20090069961A KR101044281B1 KR 101044281 B1 KR101044281 B1 KR 101044281B1 KR 1020090069961 A KR1020090069961 A KR 1020090069961A KR 20090069961 A KR20090069961 A KR 20090069961A KR 101044281 B1 KR101044281 B1 KR 101044281B1
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- KR
- South Korea
- Prior art keywords
- polishing pad
- cmp polishing
- pores
- light absorbing
- laser beam
- 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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- 238000005498 polishing Methods 0.000 title claims abstract description 164
- 239000011148 porous material Substances 0.000 title claims abstract description 124
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000011358 absorbing material Substances 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 48
- 238000009826 distribution Methods 0.000 claims abstract description 24
- 230000015556 catabolic process Effects 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 230000001678 irradiating effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 16
- 239000002002 slurry Substances 0.000 abstract description 16
- 239000006096 absorbing agent Substances 0.000 abstract description 13
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
-
- 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
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/26—Lapping pads for working plane surfaces characterised by the shape of the lapping pad surface, e.g. grooved
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (15)
- 내부에 기공을 형성시키기 위한 광흡수재가 분산되어 있고,상기 기공은 연마패드에 조사된 레이저 빔을 흡수한 광흡수재의 브레이크 다운에 의해 형성되는 것을 특징으로 하는 CMP 연마패드.
- 제1항에 있어서,상기 기공의 크기는 레이저 빔의 세기 또는 광흡수재의 크기에 의하여 결정되는 것을 특징으로 하는 CMP 연마패드.
- 제1항에 있어서,상기 광흡수재는 탄소입자로 이루어진 것을 특징으로 하는 CMP 연마패드.
- 제3항에 있어서,상기 탄소입자는 풀러렌스인 것을 특징으로 하는 CMP 연마패드.
- 제1항에 있어서,상기 광흡수재는 염료로 이루어진 것을 특징으로 하는 CMP 연마패드.
- 제1항에 있어서,상기 기공의 직경은 10 내지 500 마이크로미터인 것을 특징으로 하는 CMP 연마패드.
- 제1항에 있어서,상기 광흡수재의 직경은 1 내지 300 마이크로미터인 것을 특징으로 하는 CMP 연마패드.
- 제1항에 있어서,상기 기공은 직경을 기준으로 복수개의 그룹으로 그루핑할 수 있는 것을 특징으로 하는 CMP 연마패드.
- 내부에 복수개의 기공이 형성된 CMP 연마패드에 있어서,상기 기공은 CMP 연마패드에 분산된 광흡수재가 레이저 빔에 의하여 브레이크다운되어 형성되는 것을 특징으로 하는 CMP 연마패드.
- 제9항에 있어서,상기 광흡수재는 상기 레이저 빔의 파장대에서 광을 흡수하는 것을 특징으로 하는 CMP 연마패드.
- 제9항에 있어서,상기 레이저 빔은 펄스형 레이저에 의하여 발생되는 것을 특징으로 하는 CMP 연마패드.
- CMP 연마패드에 광흡수재를 분산시키는 단계 및 상기 광흡수재가 분산된 CMP 연마패드에 레이저 빔을 조사하여 CMP 연마패드의 내부에 기공을 형성하는 단계를 포함하고, 상기 기공은 레이저 빔에 의하여 광흡수재가 브레이크다운되어 형성되는 것을 특징으로 하는 CMP 연마패드의 제조방법.
- 제12항에 있어서,상기 기공의 크기는 레이저 빔의 세기 또는 광흡수재의 크기에 의하여 결정되는 것을 특징으로 하는 CMP 연마패드의 제조방법.
- 제12항에 있어서,상기 광흡수재는 탄소입자로 이루어진 것을 특징으로 하는 CMP 연마패드의 제조방법.
- 제12항에 있어서,상기 CMP 연마패드의 내부에 형성되는 기공의 공간적 분포는 상기 레이저 빔과 상기 CMP 연마패드의 상대적 위치를 조절하여 결정되는 것을 특징으로 하는 CMP 연마패드의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090069961A KR101044281B1 (ko) | 2009-07-30 | 2009-07-30 | 기공이 형성된 cmp 연마패드와 그의 제조방법 |
US13/387,399 US20120178349A1 (en) | 2009-07-30 | 2010-04-30 | Cmp polishing pad having pores formed therein, and method for manufacturing same |
PCT/KR2010/002731 WO2011013894A1 (ko) | 2009-07-30 | 2010-04-30 | 기공이 형성된 cmp 연마패드와 그의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090069961A KR101044281B1 (ko) | 2009-07-30 | 2009-07-30 | 기공이 형성된 cmp 연마패드와 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110012294A KR20110012294A (ko) | 2011-02-09 |
KR101044281B1 true KR101044281B1 (ko) | 2011-06-28 |
Family
ID=43529522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090069961A Expired - Fee Related KR101044281B1 (ko) | 2009-07-30 | 2009-07-30 | 기공이 형성된 cmp 연마패드와 그의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20120178349A1 (ko) |
KR (1) | KR101044281B1 (ko) |
WO (1) | WO2011013894A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015023442A1 (en) * | 2013-08-10 | 2015-02-19 | Applied Materials, Inc. | Cmp pads having material composition that facilitates controlled conditioning |
US20150044783A1 (en) * | 2013-08-12 | 2015-02-12 | Micron Technology, Inc. | Methods of alleviating adverse stress effects on a wafer, and methods of forming a semiconductor device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070235904A1 (en) * | 2006-04-06 | 2007-10-11 | Saikin Alan H | Method of forming a chemical mechanical polishing pad utilizing laser sintering |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY114512A (en) * | 1992-08-19 | 2002-11-30 | Rodel Inc | Polymeric substrate with polymeric microelements |
EP0984846B1 (en) * | 1997-01-13 | 2004-11-24 | Rodel, Inc. | Method of manufacturing a polymeric polishing pad having photolithographically induced surface pattern |
CN100496896C (zh) * | 2000-12-01 | 2009-06-10 | 东洋橡膠工业株式会社 | 研磨垫 |
EP1219464B1 (en) * | 2000-12-20 | 2008-02-13 | FUJIFILM Corporation | Lithographic printing plate precursor |
KR100497205B1 (ko) * | 2001-08-02 | 2005-06-23 | 에스케이씨 주식회사 | 마이크로홀이 형성된 화학적 기계적 연마패드 |
JP2004537175A (ja) * | 2001-08-02 | 2004-12-09 | エスケーシー カンパニー,リミテッド | レーザーを使用した化学的機械的研磨パッドの製造方法 |
KR20030015567A (ko) * | 2001-08-16 | 2003-02-25 | 에스케이에버텍 주식회사 | 웨이브 형태의 그루브가 형성된 화학적 기계적 연마패드 |
US6913517B2 (en) * | 2002-05-23 | 2005-07-05 | Cabot Microelectronics Corporation | Microporous polishing pads |
US20060189269A1 (en) * | 2005-02-18 | 2006-08-24 | Roy Pradip K | Customized polishing pads for CMP and methods of fabrication and use thereof |
US7704125B2 (en) * | 2003-03-24 | 2010-04-27 | Nexplanar Corporation | Customized polishing pads for CMP and methods of fabrication and use thereof |
JP2005133060A (ja) * | 2003-10-29 | 2005-05-26 | Rohm & Haas Electronic Materials Llc | 多孔性材料 |
TWI385050B (zh) * | 2005-02-18 | 2013-02-11 | Nexplanar Corp | 用於cmp之特製拋光墊及其製造方法及其用途 |
KR100709392B1 (ko) * | 2005-07-20 | 2007-04-20 | 에스케이씨 주식회사 | 액상의 비닐계 모노머가 상호침투 가교된 형태를 갖는폴리우레탄 연마 패드 |
KR20070021929A (ko) * | 2005-08-18 | 2007-02-23 | 롬 앤드 하스 일렉트로닉 머티리얼스 씨엠피 홀딩스, 인코포레이티드 | 투명한 연마 패드 |
TW200720023A (en) * | 2005-09-19 | 2007-06-01 | Rohm & Haas Elect Mat | A method of forming a stacked polishing pad using laser ablation |
US8105754B2 (en) * | 2008-01-04 | 2012-01-31 | University Of Florida Research Foundation, Inc. | Functionalized fullerenes for nanolithography applications |
WO2009120804A2 (en) * | 2008-03-28 | 2009-10-01 | Applied Materials, Inc. | Improved pad properties using nanoparticle additives |
KR101563204B1 (ko) * | 2008-04-01 | 2015-10-26 | 에프엔에스테크 주식회사 | 제어된 공동 형성을 가지는 연마 패드 |
EP2274136A4 (en) * | 2008-04-11 | 2014-01-01 | Innopad Inc | CHIMICO-MECHANICAL PLANARIZATION BUFFER WITH EMPTY NETWORK |
-
2009
- 2009-07-30 KR KR1020090069961A patent/KR101044281B1/ko not_active Expired - Fee Related
-
2010
- 2010-04-30 WO PCT/KR2010/002731 patent/WO2011013894A1/ko active Application Filing
- 2010-04-30 US US13/387,399 patent/US20120178349A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070235904A1 (en) * | 2006-04-06 | 2007-10-11 | Saikin Alan H | Method of forming a chemical mechanical polishing pad utilizing laser sintering |
Also Published As
Publication number | Publication date |
---|---|
WO2011013894A1 (ko) | 2011-02-03 |
US20120178349A1 (en) | 2012-07-12 |
KR20110012294A (ko) | 2011-02-09 |
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