JP6703985B2 - 印刷による化学機械研磨パッド - Google Patents
印刷による化学機械研磨パッド Download PDFInfo
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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
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
-
- 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
- B24D18/0045—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by stacking sheets of abrasive material
-
- 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
-
- 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
- B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
- B24B37/245—Pads with fixed abrasives
-
- 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
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
Claims (28)
- 研磨パッドを製造する方法であって、
付加製造システムの印刷ヘッドを用いて複数の研磨パッド層を連続的に堆積することを含み、前記研磨パッド層を堆積することは、
前記印刷ヘッドの一又は複数のノズルから研磨パッド前駆体材料を含む液滴を噴射することと、
前記一又は複数のノズルから、研磨粒子、熱伝導性ナノ粒子、細孔形成剤、磁性粒子、圧電性材料、又はそれらの組み合わせを含む添加剤を含む液滴を、前記前駆体材料を含む液滴とは独立に噴射することと、
前記研磨パッド前駆体材料を重合すること
を含み、前記研磨パッド層のそれぞれは、重合された前記研磨パッド前駆体材料と前記添加剤の混合物を含み、
前記研磨パッドにおける前記添加剤の濃度は、前記研磨パッドの第1の方向又は第2の方向に変化し、
前記第1の方向は前記研磨パッドの研磨面に平行であり、前記第2の方向は前記研磨面に垂直である、
研磨パッドを製造する方法。 - 前記研磨パッド前駆体材料の液滴と前記添加剤の液滴は、前記一又は複数のノズルの異なるノズルから噴射される、請求項1に記載の方法。
- 重合された前記研磨パッド前駆体材料との前記混合物中の前記添加剤の濃度は、前記研磨パッド層にわたって均一ではない、請求項1に記載の方法。
- 前記添加剤は、熱伝導性ナノ粒子を含む、請求項1に記載の方法。
- 前記添加剤は一又は複数の細孔形成剤を含む、請求項1に記載の方法。
- 前記添加剤は圧電性材料を含む、請求項1に記載の方法。
- バッキングパッド前駆体材料の液滴を噴射することを含む前記付加製造システムを用いて、複数のバッキングパッド層を連続的に堆積することを更に含み、前記バッキングパッド前駆体材料は、前記研磨パッド前駆体材料とは異なる、請求項1に記載の方法。
- 前記研磨パッド層は、約30ショアDから約90ショアDのショアD硬度を有する、請求項1に記載の方法。
- 前記複数の研磨パッド層の少なくとも1つは横方向にわたって配置された複数の別個のゾーンを含み、前記複数の別個のゾーンはそれぞれ、異なる濃度の添加剤を含む、請求項1に記載の方法。
- 前記添加剤は、空隙率、剛性、表面エネルギー、摩損性、伝導性、及び化学官能性からなる群から選択される前記研磨パッドの少なくとも1つの特性を変える、請求項9に記載の方法。
- 研磨パッドであって、
ポリマーマトリクスを形成する重合された基材と、前記ポリマーマトリクスにおいて前記基材と架橋された添加剤と、を含む複数のプリンタ堆積層を備え、
前記ポリマーマトリクスにおける前記添加剤の濃度が、前記研磨パッドの第1の方向又は第2の方向に変化し、
前記第1の方向は前記研磨パッドの研磨面に平行であり、前記第2の方向は前記研磨面に垂直である、
研磨層を備える、
研磨パッド。 - 前記添加剤は、約5nmから約50nmの間の直径を有する熱伝導性ナノ粒子を含む、請求項11に記載の研磨パッド。
- 前記研磨層と一体形成されたバッキング層を更に備え、前記バッキング層は前記研磨層の前記基材とは異なる材料で形成される、請求項11に記載の研磨パッド。
- 前記研磨パッドの備える前記複数のプリンタ堆積層の少なくとも1つは、異なる特性を有する2以上の別個の領域を更に備え、第1の別個の領域が第1の濃度の添加剤を有し、第2の別個の領域が第2の濃度の添加剤を有し、前記添加剤の前記第1の濃度と前記添加剤の前記第2の濃度が異なる、請求項11に記載の研磨パッド。
- 前記添加剤は、空隙率、剛性、表面エネルギー、摩損性、伝導性、及び化学官能性からなる群から選択される前記研磨層の少なくとも1つの特性を変える、請求項11に記載の研磨パッド。
- 研磨パッドを製造する方法であって、
付加製造システムの印刷ヘッドを用いて、複数の研磨パッド層を連続的に形成することを含み、当該複数の研磨パッド層を連続的に形成することが、
前記印刷ヘッドの一又は複数のノズルの一つから基材を含む液滴を噴射すること、
前記印刷ヘッドの前記一又は複数のノズルの一つから添加剤を含む液滴を噴射することであって、前記添加剤を含む液滴が前記基材を含む液滴とは独立して前記印刷ヘッドから噴射され、前記添加剤の液滴が前記研磨パッドにおいて不均一に噴射される、液滴を噴射すること、
前記基材の前記噴射された液滴を重合して前記研磨パッド層を形成すること、
を含み、
前記研磨パッド層が、前記添加剤と架橋した前記基材のポリマーマトリクスを含み、
前記研磨パッドにおける前記添加剤の濃度は、前記研磨パッドにおいて第1の方向又は第2の方向に変化し、
前記第1の方向は前記研磨パッドの研磨面に平行であり、前記第2の方向は前記研磨面に垂直である、方法。 - 前記添加剤は前記研磨パッドの熱伝導率を変える、請求項16に記載の方法。
- 前記添加剤は前記研磨パッドの空隙率を変える、請求項16に記載の方法。
- 前記添加剤は圧電材料である、請求項16に記載の方法。
- 前記複数の研磨パッド層の上に複数の層を連続的に堆積して、前記研磨パッド層とともにバッキング層を一体形成することを更に含む、請求項16に記載の方法。
- 前記バッキング層を形成することは、
前記印刷ヘッドの前記一又は複数のノズルの一つから、前記基材の組成とは異なる材料の組成を有する液滴を噴射すること
を含む、請求項20に記載の方法。 - 前記研磨パッド層は、約30ショアDから約90ショアDのショアD硬度を有する、請求項16に記載の方法。
- 前記研磨パッド層は、約50ショアDから約65ショアDのショアD硬度を有する、請求項22に記載の方法。
- 前記研磨パッド層は、約26ショアAから約95ショアAのショアA硬度を有する、請求項16に記載の方法。
- 前記複数の研磨パッド層の少なくとも1つは、異なる特性を有する2以上の別個の領域を備え、第1の別個の領域が第1の濃度の添加剤を有し、第2の別個の領域が第2の濃度の添加剤を有し、前記添加剤の前記第1の濃度と前記添加剤の前記第2の濃度が異なる、請求項16に記載の方法。
- 前記添加剤は、空隙率、剛性、表面エネルギー、摩損性、伝導性、及び化学官能性からなる群から選択される前記研磨パッド層の少なくとも1つの特性を変える、請求項25に記載の方法。
- 前記添加剤の液滴は、前記基材の液滴を噴射するために用いられた前記一又は複数のノズルとは異なる一又は複数のノズルを用いて噴射される、請求項16に記載の方法。
- 前記一又は複数のノズルの一つから前記添加剤の液滴を噴射することは、前記重合された基材と架橋された前記添加剤の局所濃度を制御する、請求項16に記載の方法。
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US201462066291P | 2014-10-20 | 2014-10-20 | |
US62/066,291 | 2014-10-20 | ||
PCT/US2015/056021 WO2016061506A1 (en) | 2014-10-17 | 2015-10-16 | Printed chemical mechanical polishing pad |
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JP (1) | JP6703985B2 (ja) |
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-
2015
- 2015-09-25 TW TW104131878A patent/TWI689406B/zh active
- 2015-10-16 WO PCT/US2015/056021 patent/WO2016061506A1/en active Application Filing
- 2015-10-16 US US14/885,955 patent/US10322491B2/en active Active
- 2015-10-16 CN CN201580056353.6A patent/CN107073677B/zh active Active
- 2015-10-16 KR KR1020177013087A patent/KR102426444B1/ko active IP Right Grant
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JP2017533831A (ja) | 2017-11-16 |
KR102426444B1 (ko) | 2022-07-29 |
KR102638128B1 (ko) | 2024-02-20 |
WO2016061506A1 (en) | 2016-04-21 |
CN107073677B (zh) | 2020-05-15 |
TW201615389A (zh) | 2016-05-01 |
KR20220110333A (ko) | 2022-08-05 |
US10322491B2 (en) | 2019-06-18 |
TWI689406B (zh) | 2020-04-01 |
CN107073677A (zh) | 2017-08-18 |
US20160107288A1 (en) | 2016-04-21 |
US20190299357A1 (en) | 2019-10-03 |
KR20170070177A (ko) | 2017-06-21 |
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