POLIERKISSEN

The present invention relates to a polishing pad which is characterized in that it is of micro rubber A-type hardness at least 80 DEG , has closed cells of average cell diameter no more than 1000 mu m, is of density in the range 0.4 to 1.1 and contains polyurethane and polymer produced from a vinyl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OKA, TETSUO, SHIRO, KUNIYASU, HASHISAKA, KAZUHIKO
Format: Patent
Sprache:ger
Schlagworte:
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