Cooling ring for physical vapor deposition chamber target
US9096927B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2012 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Jan 2, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/3497
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Apparatus and method for physical vapor deposition are provided. In some embodiments, a cooling ring to cool a target in a physical vapor deposition chamber may include an annular body having a central opening; an inlet port coupled to the body; an outlet port coupled to the body; a coolant channel disposed in the body and having a first end coupled to the inlet port and a second end coupled to the outlet port; and a cap coupled to the body and substantially spanning the central opening, wherein the cap includes a center hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.