JP7273796B2 - 表面突起研磨パッド - Google Patents
表面突起研磨パッド Download PDFInfo
- Publication number
- JP7273796B2 JP7273796B2 JP2020511324A JP2020511324A JP7273796B2 JP 7273796 B2 JP7273796 B2 JP 7273796B2 JP 2020511324 A JP2020511324 A JP 2020511324A JP 2020511324 A JP2020511324 A JP 2020511324A JP 7273796 B2 JP7273796 B2 JP 7273796B2
- Authority
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- Japan
- Prior art keywords
- polishing pad
- major surface
- polishing
- protrusions
- substrate
- 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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Images
Classifications
-
- 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
-
- 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
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/10—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping
- B24B37/105—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping the workpieces or work carriers being actively moved by a drive, e.g. in a combined rotary and translatory movement
-
- 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
- B24B37/22—Lapping pads for working plane surfaces characterised by a multi-layered structure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Description
なお、以上の各実施形態に加えて以下の態様について付記する。
(付記1)
繰り返し微細構造を有する表面層であって、
平面を画定する頂部主表面と、
前記頂部主表面の反対側の底部主表面と、
前記頂部主表面の前記平面から延びる複数の突起であって、前記頂部主表面の表面積の約0.1%~約40%の面密度を有する複数の突起と、
前記複数の突起から延びる複数の微細構造と、を備える表面層;及び、
前記底部主表面において前記表面層の少なくとも一部に結合されたベース層、
を備える、物品。
(付記2)
前記複数の突起の各々は、少なくとも約20μmの突起高さを有する、付記1に記載の物品。
(付記3)
前記複数の突起の各々は、少なくとも約1mmの突起幅を有する、付記1に記載の物品。
(付記4)
前記複数の突起の少なくとも一部は、円形突起である、付記1に記載の物品。
(付記5)
前記複数の突起の前記一部は、前記物品の長さにわたって延びている、付記4に記載の物品。
(付記6)
前記複数の突起の少なくとも一部は、軸方向の縞状突起である、付記1に記載の物品。
(付記7)
前記複数の突起の前記一部は、前記物品の半径方向に延びている、付記6に記載の物品。
(付記8)
前記複数の突起の少なくとも一部は、平行縞状突起である、付記1に記載の物品。
(付記9)
前記複数の突起は、2つの隣接する突起間に少なくとも1cmの間隔を有する、付記1に記載の物品。
(付記10)
前記ベース層は、感圧性接着剤を含む、付記1に記載の物品。
(付記11)
前記ベース層は、前記頂部主表面の前記平面から延びる前記複数の突起に対応する複数の構造を含む、付記1に記載の物品。
(付記12)
中間層を更に備え、前記中間層は、前記表面層の少なくとも一部と前記ベース層の少なくとも一部との間に複数のスペーサを備え、かつ前記頂部主表面の前記平面から延びる前記複数の突起に対応する、付記1に記載の物品。
(付記13)
前記複数の微細構造の各々は、約1mm未満の微細構造高さを有する、付記1に記載の物品。
(付記14)
前記複数の突起は、前記頂部主表面の表面積の約1%~約10%の面密度を有する、付記1に記載の物品。
(付記15)
前記複数の突起は、100平方インチ当たりの突起が約3~約200個の密度を有する、付記1に記載の物品。
(付記16)
基材を保持するように構成されたキャリアアセンブリと、
付記1に記載の物品を備える研磨パッドと、
前記研磨パッドに結合されたプラテンと、
流体成分及び研磨剤成分を含む研磨スラリーと、を含み、
前記研磨パッドを前記基材に対して相対的に移動させるように構成されている、システム。
(付記17)
前記研磨パッドの前記複数の突起は、前記基材の幅よりも小さい間隔を有する、付記16に記載のシステム。
(付記18)
主表面を有する基材を準備することと、
付記1に記載の物品を備える研磨パッドを準備することと、
流体成分及び研磨剤成分を含む研磨スラリーを準備することと、
前記研磨パッドと前記基材の前記主表面との間に相対運動が存在する間に、前記基材の前記主表面を前記研磨パッド及び前記研磨スラリーに接触させることと、を含む方法。
(付記19)
前記基材の前記主表面上に力変調を発生させることを更に含み、前記力変調のピークは、前記基材の前記主表面と前記研磨パッドの突起とが接触することに対応する、付記18に記載の方法。
(付記20)
前記力変調は、前記研磨パッドの前記複数の突起の高さに対応する振幅、前記研磨パッドの前記複数の突起の間隔に対応する周波数、及び前記研磨パッドの前記複数の突起の幅に対応する周期性を含む、付記19に記載の方法。
Claims (15)
- 繰り返し微細構造を有する表面層であって、
平面を画定する頂部主表面と、
前記頂部主表面の反対側の底部主表面と、
前記頂部主表面の前記平面から延びる複数の突起であって、前記頂部主表面の表面積の約0.1%~約40%の面密度を有する複数の突起と、
前記複数の突起から延びる複数の微細構造と、を備える表面層;及び、
前記底部主表面において前記表面層の少なくとも一部に結合されたベース層、
を備え、
前記繰り返し微細構造は、前記表面層と一体形成されるとともに、前記頂部主表面にわたって均一に分布している、物品。 - 前記複数の突起の各々は、少なくとも約20μmの突起高さを有する、請求項1に記載の物品。
- 前記複数の突起の各々は、少なくとも約1mmの突起幅を有する、請求項1に記載の物品。
- 前記複数の突起の少なくとも一部は、円形突起である、請求項1に記載の物品。
- 前記複数の突起の少なくとも一部は、軸方向の縞状突起である、請求項1に記載の物品。
- 前記複数の突起の少なくとも一部は、平行縞状突起である、請求項1に記載の物品。
- 前記複数の突起は、2つの隣接する突起間に少なくとも1cmの間隔を有する、請求項1に記載の物品。
- 前記ベース層は、前記頂部主表面の前記平面から延びる前記複数の突起に対応する複数の構造を含む、請求項1に記載の物品。
- 中間層を更に備え、前記中間層は、前記表面層の少なくとも一部と前記ベース層の少なくとも一部との間に複数のスペーサを備え、かつ前記頂部主表面の前記平面から延びる前記複数の突起に対応する、請求項1に記載の物品。
- 前記複数の突起は、前記頂部主表面の表面積の約1%~約10%の面密度を有する、請求項1に記載の物品。
- 前記複数の突起は、100平方インチ当たりの突起が約3~約200個の密度を有する、請求項1に記載の物品。
- 基材を保持するように構成されたキャリアアセンブリと、
請求項1に記載の物品を備える研磨パッドと、
前記研磨パッドに結合されたプラテンと、
流体成分及び研磨剤成分を含む研磨スラリーと、を含み、
前記研磨パッドを前記基材に対して相対的に移動させるように構成されている、システム。 - 前記研磨パッドの前記複数の突起は、前記基材の幅よりも小さい間隔を有する、請求項12に記載のシステム。
- 主表面を有する基材を準備することと、
請求項1に記載の物品を備える研磨パッドを準備することと、
流体成分及び研磨剤成分を含む研磨スラリーを準備することと、
前記研磨パッドと前記基材の前記主表面との間に相対運動が存在する間に、前記基材の前記主表面を前記研磨パッド及び前記研磨スラリーに接触させることと、を含む方法。 - 前記基材の前記主表面上に力変調を発生させることを更に含み、前記力変調のピークは、前記基材の前記主表面と前記研磨パッドの突起とが接触することに対応する、請求項14に記載の方法。
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