Recycled polishing pad

A recycled polishing pad includes an upper layer pad and a supplementary pad. The upper layer pad includes a first surface and a second surface opposite to the first surface. The first surface has a plurality of first grooves and the second surface has a plurality of second grooves. The upper layer...

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Bibliographic Details
Main Authors Moon, Jin Ok, Ahn, Bong Su, Kim, Pal Kon, Kim, Si Hyeong, Oh, Seung Taek, Yoo, Young Jun, Kim, Yoon Ho
Format Patent
LanguageEnglish
Published 03.01.2023
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Summary:A recycled polishing pad includes an upper layer pad and a supplementary pad. The upper layer pad includes a first surface and a second surface opposite to the first surface. The first surface has a plurality of first grooves and the second surface has a plurality of second grooves. The upper layer pad further includes a connecting body connecting the first grooves and the second grooves. The supplementary pad is in contact with the second surface of the upper layer pad. A depth of each of the first grooves is less than a depth of each of the second grooves.
Bibliography:Application Number: US201916456904