POLISHING PAD

The present application provides a polishing pad, including a circular polishing surface and multiple semicircular arc-shaped first grooves are concentrically distributed outwardly from the center of the polishing surface with a predetermined spacing, wherein the first grooves in a half of the polis...

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Bibliographic Details
Main Authors HSU, SHIHIEH, HSU, JING-WANG
Format Patent
LanguageChinese
English
Published 11.12.2019
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Summary:The present application provides a polishing pad, including a circular polishing surface and multiple semicircular arc-shaped first grooves are concentrically distributed outwardly from the center of the polishing surface with a predetermined spacing, wherein the first grooves in a half of the polishing surface and the first grooves in the other half of the polishing surface are in staggered arrangement, and multiple arc-shaped second grooves are in spiral arrangement in the polishing surface with a predetermined spiral pitch. The second grooves intersect respectively with the first grooves.
Bibliography:Application Number: TW20198100042