PVD target having self-retained low friction pads
US11618943B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2020 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | Feb 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.