Patent · US Active

Substrate treatment apparatus

US11766765B2 · kind B2 · utility

0Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2019
Grant dateSep 26, 2023
Priority date
Expiry dateOct 1, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2221/68309
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A substrate treatment apparatus is provided. The substrate treatment apparatus includes a substrate support part provided with a seating surface and configured to support a substrate, a guide ring annularly disposed along an edge of the substrate support part to surround the substrate, and a centering part provided inside the guide ring and configured to center the substrate by moving in a direction parallel to the seating surface to pressurize the edge of the substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.