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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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
11.12.2019
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Subjects | |
Online Access | Get full text |
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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. |
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Bibliography: | Application Number: TW20198100042 |