JP2009061584A - 濡れ制御を備えたケミカルメカニカル研磨パッド - Google Patents
濡れ制御を備えたケミカルメカニカル研磨パッド Download PDFInfo
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- 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
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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
- B24B37/11—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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- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/228—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding thin, brittle parts, e.g. semiconductors, wafers
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Abstract
【解決手段】0.01〜0.75の無次元粗さRを示す研磨テキスチャを含む研磨層を有するケミカルメカニカル研磨パッドを提供する。また、ケミカルメカニカル研磨パッドを製造する方法及びケミカルメカニカル研磨パッドを使用して基材を研磨する方法を提供する。
【選択図】図2
Description
R=(1−C)/(1+N)
(式中、Cは、研磨要素のサブセットの平均水平投影面積に対する複数の接触区域の平均接触面積の比であり、Nは、平均水平投影面積に対する研磨要素のサブセットの平均非接触面積の比である)
によって定義される平均無次元粗さRを有し、研磨テキスチャの平均無次元粗さが0.01〜0.75であり、研磨テキスチャが、基材を研磨するように適合されているケミカルメカニカル研磨パッドが提供される。
R=(1−C)/(1+N)
(式中、Cは、研磨要素のサブセットの平均水平投影面積に対する複数の接触区域の平均接触面積の比であり、Nは、平均水平投影面積に対する研磨要素のサブセットの平均非接触面積の比である)
によって定義される平均無次元粗さRを有し、研磨テキスチャの平均無次元粗さが0.01〜0.75であり、研磨テキスチャが、基材を研磨するように適合されているケミカルメカニカル研磨パッドを提供すること、及びケミカルメカニカル研磨パッドと基材との界面に動的な接触を形成することを含む、基材を研磨する方法が提供される。
R=(1−C)/(1+N)
(式中、Cは、研磨要素のサブセットの平均水平投影面積に対する複数の接触区域の平均接触面積の比であり、Nは、平均水平投影面積に対する研磨要素のサブセットの平均非接触面積の比である)
によって定義される平均無次元粗さRを有し、研磨テキスチャの平均無次元粗さが0.01〜0.75であり、研磨テキスチャが、基材を研磨するように適合されている。これらの実施態様のいくつかの局面では、研磨テキスチャの無次元粗さRは0.03〜0.50である。これらの実施態様のいくつかの局面では、研磨テキスチャの無次元粗さRは0.06〜0.25である。
R=(1−C)/(1+N)
(式中、Cは、研磨要素のサブセットの平均水平投影面積に対する複数の接触区域の平均接触面積の比であり、Nは、平均水平投影面積に対する研磨要素のサブセットの平均非接触面積の比である)
によって定義される平均無次元粗さRを有し、研磨テキスチャの平均無次元粗さが0.01〜0.75であり、研磨テキスチャが、基材を研磨するように適合されているケミカルメカニカル研磨パッドを提供すること;及びケミカルメカニカル研磨パッドと基材との界面に動的な接触を形成することを含む。これらの実施態様のいくつかの局面では、方法は、研磨テキスチャと基材との界面に研磨媒を提供することをさらに含む。これらの実施態様のいくつかの局面では、研磨テキスチャは、研磨媒が研磨層に浸透する程度を研磨層の高さの10%未満に制限するのに十分な高さの平均無次元粗さを示すように設計されている。これらの実施態様のいくつかの局面では、研磨テキスチャは、研磨媒が研磨層に浸透する程度を研磨層の高さの5%未満に制限するのに十分な高さの平均無次元粗さを示すように設計されている。これらの実施態様のいくつかの局面では、研磨テキスチャは、研磨媒が研磨層に浸透する程度を研磨層の高さの2%未満に制限するのに十分な高さの平均無次元粗さを示すように設計されている。これらの実施態様のいくつかの局面では、研磨テキスチャは、研磨媒が研磨層に浸透する程度を研磨層の高さの1%未満に制限するのに十分な高さの平均無次元粗さを示すように設計されている。
Claims (10)
- 磁性基材、光学基材及び半導体基材の少なくとも一つから選択される基材を研磨するためのケミカルメカニカル研磨パッドであって、
研磨テキスチャを有する三次元網状ネットワークを形成する複数の研磨要素を含む研磨層を含み、
研磨テキスチャが、研磨要素のサブセット上に複数の接触区域を含み、
研磨テキスチャが、式
R=(1−C)/(1+N)
(式中、Cは、研磨要素のサブセットの平均水平投影面積に対する複数の接触区域の平均接触面積の比であり、Nは、平均水平投影面積に対する研磨要素のサブセットの平均非接触面積の比である)
によって定義される平均無次元粗さRを有し、
研磨テキスチャの平均無次元粗さが0.01〜0.75であり、
研磨テキスチャが、基材を研磨するように適合されているケミカルメカニカル研磨パッド。 - 接触区域を有する研磨要素のサブセットの90%が、平均接触面積の±10%以内にある接触面積を示す、請求項1記載のケミカルメカニカル研磨パッド。
- 接触区域を有する研磨要素のサブセットの90%が、平均ピッチの±10%以内にある、接触区域を有する隣接する研磨要素とのピッチを示す、請求項1記載のケミカルメカニカル研磨パッド。
- 接触区域を有する研磨要素のサブセットの90%が、平均接触面積の±10%以内にある接触面積を示し、接触区域を有する研磨要素のサブセットの90%が、平均ピッチの±10%以内にある、接触区域を有する隣接する研磨要素とのピッチを示す、請求項1記載のケミカルメカニカル研磨パッド。
- 研磨テキスチャの無次元粗さRが0.03〜0.50である、請求項1記載のケミカルメカニカル研磨パッド。
- 接触区域が、正方形断面、長方形断面、菱形断面、三角形断面、円形断面、卵形断面、六角形断面、多角形断面及び不規則な断面から選択される、請求項1記載のケミカルメカニカル研磨パッド。
- 網状ネットワークが複数の単位セルを有し、複数の単位セルが平均幅及び平均長さを有し、単位セルの平均幅≦単位セルの平均長さである、請求項1記載のケミカルメカニカル研磨パッド。
- 磁性基材、光学基材及び半導体基材の少なくとも一つから選択される基材を提供すること、
研磨テキスチャを有する三次元網状ネットワークを形成する複数の研磨要素を含む研磨層を有し、研磨テキスチャが研磨要素上に複数の接触区域を含み、研磨テキスチャが、式
R=(1−C)/(1+N)
(式中、Cは、研磨要素のサブセットの平均水平投影面積に対する複数の接触区域の平均接触面積の比であり、Nは、平均水平投影面積に対する研磨要素のサブセットの平均非接触面積の比である)
によって定義される平均無次元粗さRを有するものであるケミカルメカニカル研磨パッドを提供すること、
ケミカルメカニカル研磨パッドと基材との界面に動的な接触を形成すること
を含む、基材を研磨する方法。 - 研磨テキスチャと基材との界面に研磨媒を提供することをさらに含む、請求項8記載の方法。
- 研磨媒が研磨層の高さの10%未満に浸透する、請求項9記載の方法。
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US11/839,874 | 2007-08-16 | ||
US11/839,874 US7530887B2 (en) | 2007-08-16 | 2007-08-16 | Chemical mechanical polishing pad with controlled wetting |
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JP2009061584A5 JP2009061584A5 (ja) | 2013-07-11 |
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EP (1) | EP2025456A3 (ja) |
JP (1) | JP5317574B2 (ja) |
KR (1) | KR101508013B1 (ja) |
CN (1) | CN101367203B (ja) |
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US9833818B2 (en) | 2004-09-28 | 2017-12-05 | International Test Solutions, Inc. | Working surface cleaning system and method |
US7635290B2 (en) | 2007-08-15 | 2009-12-22 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Interpenetrating network for chemical mechanical polishing |
US8371316B2 (en) | 2009-12-03 | 2013-02-12 | International Test Solutions, Inc. | Apparatuses, device, and methods for cleaning tester interface contact elements and support hardware |
CN101774160B (zh) * | 2010-03-01 | 2011-05-11 | 南京航空航天大学 | 冰粒型固结磨料抛光垫及快速制备方法和装置 |
US9108291B2 (en) | 2011-09-22 | 2015-08-18 | Dow Global Technologies Llc | Method of forming structured-open-network polishing pads |
US8801949B2 (en) | 2011-09-22 | 2014-08-12 | Dow Global Technologies Llc | Method of forming open-network polishing pads |
US8894799B2 (en) | 2011-09-22 | 2014-11-25 | Dow Global Technologies Llc | Method of forming layered-open-network polishing pads |
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KR101508013B1 (ko) | 2015-04-03 |
KR20090018008A (ko) | 2009-02-19 |
SG150468A1 (en) | 2009-03-30 |
EP2025456A3 (en) | 2015-06-17 |
CN101367203B (zh) | 2010-11-17 |
TWI453812B (zh) | 2014-09-21 |
CN101367203A (zh) | 2009-02-18 |
JP5317574B2 (ja) | 2013-10-16 |
US20090047876A1 (en) | 2009-02-19 |
TW200910444A (en) | 2009-03-01 |
US7530887B2 (en) | 2009-05-12 |
EP2025456A2 (en) | 2009-02-18 |
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