• Patent Title: Wafer polishing head, method for manufacturing wafer polishing head, and wafer polishing apparatus comprising same
  • Application No.: US17765899
    Application Date: 2019-10-23
  • Publication No.: US12134162B2
    Publication Date: 2024-11-05
  • Inventor: Jae Chel Sung
  • Applicant: SK SILTRON CO., LTD.
  • Applicant Address: KR Gyeongsangbuk-do
  • Assignee: SK SILTRON CO., LTD.
  • Current Assignee: SK SILTRON CO., LTD.
  • Current Assignee Address: KR Gyeongsangbuk-do
  • Agency: KED & ASSOCIATES, LLP
  • Priority: KR10-2019-0121299 20191001
  • International Application: PCT/KR2019/013927 WO 20191023
  • International Announcement: WO2021/066242 WO 20210408
  • Main IPC: B24B37/20
  • IPC: B24B37/20
Wafer polishing head, method for manufacturing wafer polishing head, and wafer polishing apparatus comprising same
Abstract:
The present invention provides a method for manufacturing a wafer polishing head, the method comprising the steps of: coupling a guide ring consisting of a plurality of layers to the edge of a base substrate; rounding the edge of the guide ring; forming a first coating layer on the rounded surface of the guide ring through coating; fixing a rubber chuck to the base substrate; and forming a second coating layer on the outer circumferential surfaces of an adhesive and an adhesive material through coating, from the rubber chuck to the first coating layer.
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