Hot showerhead
US11946140B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Mar 22, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/32348
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Exemplary substrate processing systems may include a chamber body defining a transfer region. The systems may include a first lid plate seated on the chamber body. The first lid plate may define a plurality of apertures through the first lid plate. The systems may include a plurality of lid stacks equal to a number of the plurality of apertures. The systems may define a plurality of isolators. An isolator may be positioned between each lid stack and a corresponding aperture of the plurality of apertures. The systems may include a plurality of annular spacers. An annular spacer of the plurality of annular spacers may be positioned between each isolator and a corresponding lid stack of the plurality of lids stacks. The systems may include a plurality of manifolds. A manifold may be seated within an interior of each annular spacer of the plurality of annular spacers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.