JP6977102B2 - 制御された孔隙率を有する印刷された化学機械研磨パッド - Google Patents
制御された孔隙率を有する印刷された化学機械研磨パッド Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
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- B24B37/00—Lapping machines or devices; Accessories
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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
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- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
- H10P52/40—Chemomechanical polishing [CMP]
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0032—Pigments, colouring agents or opacifiyng agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
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Description
従来は、研磨面24内にスラリを運ぶために、研磨面24に形成される溝26が、通常機械加工される。しかしながら、上記溝のプロファイルは、フライス加工、旋盤又は加工プロセスによって限定される。
Claims (13)
- 研磨パッドを製造する方法であって、
前記研磨パッドの研磨層のポリマーマトリクス内に導入すべきポアの所望の分布を示すデータ、及び前記研磨パッドの前記研磨層の表面上に形成されるべき溝の所望の輪郭を示すデータを受信することと、
積層造形を用いて前記研磨層を形成するために、連続的に複数の層を堆積することと、
を含み、
前記複数の層を堆積することは、
前記複数の層の各層として、ポリマーマトリクス前駆体の液滴を下側の支持層又は前に固化された層の上に放出し、前記層を提供する固化されたポリマーマトリクスを形成するために前記ポリマーマトリクス前駆体を固化すること、
前記データによりポアを有すると示される層として、下側の層の上の複数の第1の場所に前記ポリマーマトリクス前駆体の液滴を放出し、前記ポアの所望の分布に対応する複数の第2の場所に前記ポリマーマトリクス前駆体の液滴を放出しないこと、
前記データによりポアを有すると示される層に続いて堆積される層として、前記続いて堆積される層の固化により前記複数の第1の場所において前記ポアが包囲されるように、前記複数の第2の場所を覆うように前記ポリマーマトリクス前駆体の液滴を放出すること、
前記データにより溝を有すると示される各層として、下側の層の上の複数の第3の場所に前記ポリマーマトリクス前駆体の液滴を放出し、前記溝の所望の輪郭に対応する複数の第4の場所に前記ポリマーマトリクス前駆体の液滴を放出しないこと、
を含む、方法。 - 前記データによりポアを有すると示される各層として、前記複数の第2の場所に流体を放出し、前記データによりポアを有すると示される層に続いて堆積される各層として、前記流体を覆うように前記ポリマーマトリクス前駆体の液滴を放出すること、を含む、請求項1に記載の方法。
- 前記流体は、前記ポリマーマトリクス前駆体とは混和性ではない、請求項2に記載の方法。
- 前記ポリマーマトリクス前駆体の液滴を放出することは、印刷システムの第1のノズルから液滴を放出することを含み、前記流体の液滴を放出することは、前記印刷システムの第2のノズルから液滴を放出することを含み、前記研磨パッドの支持体に対して前記第1のノズルを平行移動することを含む、請求項2又は3に記載の方法。
- 前記ポリマーマトリクス前駆体を固化することは、前記ポリマーマトリクスを硬化することを含む、請求項1に記載の方法。
- 前記ポリマーマトリクスを硬化することは、紫外線(UV)硬化することを含む、請求項5に記載の方法。
- 前記溝は、同心円、直線、斜交平行、又は螺旋である、請求項1に記載の方法。
- 前記溝は螺旋溝を含む、請求項7に記載の方法。
- 研磨パッドを製造するためのシステムであって、
支持体と、
ポリマーマトリクス前駆体を前記支持体に向けて放出するための第1のノズルを有する3Dプリンタと、
前記研磨パッドの研磨層のポリマーマトリクス内に導入すべきポアの所望の分布を示すデータ、及び前記研磨パッドの前記研磨層の表面上に形成されるべき溝の所望の輪郭を示すデータを受信するように構成され、更に、前記3Dプリンタに連続的に複数の層を堆積させるように構成されたコンピュータと、
を備え、
前記複数の層を堆積することは、
前記複数の層の各層として、前記ポリマーマトリクス前駆体の液滴を下側の支持層又は前に固化された層の上に放出し、前記層を提供する固化されたポリマーマトリクスを形成するために前記ポリマーマトリクス前駆体を固化すること、
前記データによりポアを有すると示される層として、下側の層の上の複数の第1の場所に前記ポリマーマトリクス前駆体の液滴を放出し、前記ポアの所望の分布に対応する複数の第2の場所に前記ポリマーマトリクス前駆体の液滴を放出しないこと、
前記データによりポアを有すると示される層に続いて堆積される層として、前記続いて堆積される層の固化により前記複数の第1の場所において前記ポアが包囲されるように、前記複数の第2の場所を覆うように前記ポリマーマトリクス前駆体の液滴を放出すること、
前記データにより溝を有すると示される各層として、下側の層の上の複数の第3の場所に前記ポリマーマトリクス前駆体の液滴を放出し、前記溝の所望の輪郭に対応する複数の第4の場所に前記ポリマーマトリクス前駆体の液滴を放出しないこと、
を含む、システム。 - エネルギー源は光源を含む、請求項9に記載のシステム。
- 前記エネルギー源はUV光源を含む、請求項10に記載のシステム。
- 前記3Dプリンタは、前記支持体に向けて流体を放出する第2のノズルを有し、前記コントローラは、前記データによりポアを有すると示される各層として、前記3Dプリンタに前記複数の第2の場所に前記流体を放出させ、前記データによりポアを有すると示される層に続いて堆積される各層として、前記流体を覆うように前記ポリマーマトリクス前駆体の液滴を放出させる、請求項9に記載のシステム。
- 前記3Dプリンタは、ある層において前記ポリマーマトリクス前駆体が分配された後、新規ポリマーマトリクス前駆体が同層における次の位置に堆積される前に、前記ポリマーマトリクス前駆体を硬化するように構成されている、請求項9に記載のシステム。
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| US9993907B2 (en) | 2013-12-20 | 2018-06-12 | Applied Materials, Inc. | Printed chemical mechanical polishing pad having printed window |
| US9873180B2 (en) | 2014-10-17 | 2018-01-23 | Applied Materials, Inc. | CMP pad construction with composite material properties using additive manufacturing processes |
| KR20240015167A (ko) | 2014-10-17 | 2024-02-02 | 어플라이드 머티어리얼스, 인코포레이티드 | 애디티브 제조 프로세스들을 이용한 복합 재료 특성들을 갖는 cmp 패드 구성 |
| US9776361B2 (en) | 2014-10-17 | 2017-10-03 | Applied Materials, Inc. | Polishing articles and integrated system and methods for manufacturing chemical mechanical polishing articles |
| US10875145B2 (en) | 2014-10-17 | 2020-12-29 | Applied Materials, Inc. | Polishing pads produced by an additive manufacturing process |
| US10875153B2 (en) | 2014-10-17 | 2020-12-29 | Applied Materials, Inc. | Advanced polishing pad materials and formulations |
| US10821573B2 (en) | 2014-10-17 | 2020-11-03 | Applied Materials, Inc. | Polishing pads produced by an additive manufacturing process |
| US11745302B2 (en) | 2014-10-17 | 2023-09-05 | Applied Materials, Inc. | Methods and precursor formulations for forming advanced polishing pads by use of an additive manufacturing process |
| US10399201B2 (en) | 2014-10-17 | 2019-09-03 | Applied Materials, Inc. | Advanced polishing pads having compositional gradients by use of an additive manufacturing process |
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