CMP pad construction with composite material properties using additive manufacturing processes

Embodiments of the disclosure generally provide polishing pads having a composite pad body and methods for forming the polishing pads. In one embodiment, the composite pad body includes one or more first features formed from a first material or a first composition of materials, and one or more secon...

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Bibliographische Detailangaben
Hauptverfasser: Bajaj, Rajeev, Redfield, Daniel, Patibandla, Nag B, Perry, Russell Edward, Davenport, Robert E, Fung, Jason G, Redeker, Fred C, Orilall, Mahendra C, Krishnan, Kasiraman, Menk, Gregory E
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Embodiments of the disclosure generally provide polishing pads having a composite pad body and methods for forming the polishing pads. In one embodiment, the composite pad body includes one or more first features formed from a first material or a first composition of materials, and one or more second features formed from a second material or a second composition of materials, wherein the one or more first features and the one or more second features are formed by depositing a plurality of layers comprising the first material or first composition of materials and second material or second composition of materials.