Manufacturing method of polishing pad

Manufacturing method of polishing pad

  • CN 101,966,697 B
  • Filed: 04/19/2007
  • Issued: 04/22/2015
  • Est. Priority Date: 04/19/2006
  • Status: Active Grant
First Claim
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1. a polishing pad manufacture method, comprising:

  • by the operation of mechanical foaming legal system for the carbamate composition of air bubbles dispersion;

    In the both ends of this plane materiel and the inner operation arranging pad while sending plane materiel, and the inner pad arranged forms a part for polishing layer;

    The operation of the carbamate composition of described air bubbles dispersion is discharged continuously on the described plane materiel that pad is not set;

    The operation of lamination another side material on the carbamate composition of the described air bubbles dispersion of discharging;

    By thickness to be regulated the uniform operation making the long polishing layer that the carbamate composition of air bubbles dispersion solidifies and making is made up of polyurethane foaming body simultaneously;

    With the operation of the long polishing layer of cutting.

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