Patent · US Active

PVD target having self-retained low friction pads

US11618943B2 · kind B2 · utility

0Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 2020
Grant dateApr 4, 2023
Priority date
Expiry dateFeb 16, 2041

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C14/3414
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Embodiments of target assemblies for use in substrate processing chambers are provided herein. In some embodiments, a target assembly includes a plate comprising a first side including a central portion and a support portion, a target disposed on the central portion, a plurality of recesses formed in the support portion; and a plurality of self-retained low-friction pads partially disposed in the plurality of recesses, wherein each of the plurality of low-friction pads includes a solid body portion, and a self-retaining stem that extends outward from a bottom of the solid body portion, wherein the self-retaining stem includes a first stem portion disposed in the first through-hole portion, and a second stem portion disposed within the second through-hole portion.

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