JP7399155B2 - 静電容量式剪断センサを備えた研磨システム - Google Patents
静電容量式剪断センサを備えた研磨システム Download PDFInfo
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
-
- 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
- B24B37/005—Control means for lapping machines or devices
- B24B37/013—Devices or means for detecting lapping completion
-
- 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
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
-
- 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
- B24B37/205—Lapping pads for working plane surfaces provided with a window for inspecting the surface of the work being lapped
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/10—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving electrical means
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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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- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
- H01L22/26—Acting in response to an ongoing measurement without interruption of processing, e.g. endpoint detection, in-situ thickness measurement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
本出願は、2018年8月31日に出願された米国仮特許出願第62/726,122号の優先権を主張し、その開示が、参照により組み込まれる。
・ ポリマー本体の上面は、バッキング層の上面と同一平面上にある必要はない。
・ 図2では、研磨パッドは2層であるが、研磨パッドは、単層パッドでもよい。研磨パッドの裏面に凹部を形成し、センサを凹部に挿入することができる。
・ 研磨パッドは、3D印刷プロセスによってセンサの周囲に構築できる。例えば、ポリマー本体と下部本体のアセンブリが、印刷ステージ上に配置され、研磨パッドの下部が、例えば、前駆体材料の液滴をアセンブリの上ではなく周囲の領域に選択的に放出することによって、アセンブリの周囲に製造され得る。これにより、パッド材料の最上部がアセンブリの最上部と同一平面上になるまで層を構築することができる。この時点の後、前駆体材料の液滴は、以前に形成された層とアセンブリの両方にわたって放出され、こうして、パッド部と、研磨パッドの残りの部分の上部とを形成することができる。
・ 3D印刷によるアセンブリの周囲の研磨パッドの製造技術は、単層パッドに使用でき、この場合、パッド全体で同じ材料を使用でき、または多層パッドに使用でき、この場合、異なる前駆体または異なる硬化技術を使用して、アセンブリの周囲に研磨パッドの下部(したがってバッキング層)を形成することができる。
Claims (18)
- 研磨パッドを支持するためのプラテンと、
基板を保持し、前記基板の下面を前記研磨パッドと接触させるためのキャリアヘッドと、
摩擦センサを含むインシトゥ摩擦監視システムと、
を備える化学機械研磨システムであって、前記摩擦センサが、
前記基板の前記下面と接触するための上面を有する基板接触部を有するパッド部と、
前記基板接触部より下かつ前記基板接触部の互いに反対側に配置された一対の静電容量センサと、
を含み、
前記摩擦センサが、下部本体であって、その表面に第1の対の電極が形成されている下部本体、ポリマー本体であって、その表面に、前記第1の対の電極と整列した第2の対の電極が形成されているポリマー本体、および前記第1の対の電極と前記第2の対の電極との間の一対の間隙を備え、第1の電極、間隙および第2の電極の各スタックが、前記一対の静電容量センサのうちの1つを提供する、化学機械研磨システム。 - 前記インシトゥ摩擦監視システムが、前記一対の静電容量センサの第1の静電容量センサからの第1の信号と前記一対の静電容量センサの第2の静電容量センサからの第2の信号との間の経時的な差のシーケンスを決定するように構成されている、請求項1に記載のシステム。
- 前記差のシーケンスに基づいて、研磨終点または前記キャリアヘッドによって加えられる圧力の変化のうちの少なくとも1つを決定するように構成されたコントローラを備える、請求項2に記載のシステム。
- 前記ポリマー本体が、主本体と、前記主本体から延在して前記下部本体に接触している複数の突起とを備え、前記突起間の凹部が、前記間隙を規定する、請求項1に記載のシステム。
- 前記ポリマー本体が、成形されたシリコーンを含む、請求項1に記載のシステム。
- 前記下部本体が、プリント回路基板を含む、請求項1に記載のシステム。
- 前記パッド部が、前記ポリマー本体上に支持されている、請求項1に記載のシステム。
- 前記パッド部が、下部を含み、前記基板接触部が、前記下部から上方に突出しており、前記下部が、前記基板接触部の全ての側面を越えて横方向に延在している、請求項1に記載のシステム。
- 前記研磨パッドを備える、請求項1に記載のシステム。
- 前記パッド部が、前記研磨パッドの研磨層の残りの部分に一体的に接合されている、請求項9に記載のシステム。
- 前記パッド部が、下部を含み、前記基板接触部が、前記下部から上方に突出しており、前記下部が、前記基板接触部の全ての側面を越えて横方向に延在して、前記研磨パッドに接合されている、請求項9に記載のシステム。
- 前記摩擦センサの底面が、前記研磨パッドの底面と同一平面上にあるか、前記研磨パッドの底面に対して凹んでいる、請求項9に記載のシステム。
- 前記パッド部の前記上面が、前記研磨パッドの研磨面と同一平面上にある、請求項9に記載のシステム。
- 前記基板接触部と、前記研磨パッドの研磨層とが、同じ材料である、請求項9に記載のシステム。
- 前記摩擦センサが、2対の静電容量センサを備え、各対の静電容量センサが、前記基板接触部より下かつ前記基板接触部の互いに反対側に配置されている、請求項1に記載のシステム。
- 前記インシトゥ摩擦監視システムが、全摩擦力を、複数の差の二乗和の平方根として決定するように構成されており、前記複数の差が、前記2対の静電容量センサの第1の対からの信号間の第1の差、および前記2対の静電容量センサの第2の対からの信号間の第2の差を含む、請求項15に記載のシステム。
- 研磨パッドであって、
下部本体であって、その表面に第1の対の電極が形成されている下部本体、ポリマー本体であって、その表面に、前記第1の対の電極と整列した第2の対の電極が形成されているポリマー本体、および前記第1の対の電極と前記第2の対の電極との間の一対の間隙を含むアセンブリと、
前記アセンブリを囲む前記研磨パッドの下部と、
前記アセンブリ上に配置されたパッド部、および前記下部上に配置された研磨層の少なくとも一部、を含む上部と、
を備える研磨パッド。 - 研磨パッドを製造する方法であって、
前記研磨パッドの下部に囲まれたアセンブリであって、下部本体であって、その表面に第1の対の電極が形成されている下部本体、ポリマー本体であって、その表面に、前記第1の対の電極と整列した第2の対の電極が形成されているポリマー本体、および前記第1の対の電極と前記第2の対の電極との間の一対の間隙、を含むアセンブリを提供することと、
前記アセンブリと前記下部上へのパッド前駆体材料の液滴放出を含む付加製造プロセスによって前記研磨パッドの上部を製造することと、
を含む方法。
Applications Claiming Priority (3)
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US201862726122P | 2018-08-31 | 2018-08-31 | |
US62/726,122 | 2018-08-31 | ||
PCT/US2019/043466 WO2020046502A1 (en) | 2018-08-31 | 2019-07-25 | Polishing system with capacitive shear sensor |
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JP2021534987A JP2021534987A (ja) | 2021-12-16 |
JP7399155B2 true JP7399155B2 (ja) | 2023-12-15 |
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US (2) | US11660722B2 (ja) |
JP (1) | JP7399155B2 (ja) |
KR (1) | KR20210040172A (ja) |
CN (1) | CN112770872B (ja) |
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TWI810069B (zh) | 2020-06-08 | 2023-07-21 | 美商應用材料股份有限公司 | 用於在拋光相鄰導電層的堆疊期間的輪廓控制的系統、方法及電腦程式產品 |
WO2022186993A1 (en) * | 2021-03-03 | 2022-09-09 | Applied Materials, Inc. | Motor torque endpoint during polishing with spatial resolution |
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US11660722B2 (en) | 2023-05-30 |
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