Shutter disk for physical vapor deposition chamber
First Claim
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1. A processing apparatus comprising:
- a process chamber; and
a shutter disk comprising;
a disk-shaped body configured to cover a substrate support in the process chamber and configured to be transportable within the process chamber on a robot blade, the disk-shaped body comprising;
a top surface;
a side surface;
a bottom surface comprising;
an annular outer support surface;
a first annular outer stepped surface disposed radially inward of the annular outer support surface;
an annular inner stepped surface disposed radially inward of the first annular outer stepped surface;
a second annular outer stepped surface disposed radially inward of the annular inner stepped surface and coplanar with the first annular outer stepped surface, wherein the annular inner stepped surface extends further into the body than the first annular outer stepped surface and the second annular outer stepped surface; and
an annular inner support surface disposed radially inward of the second annular outer stepped surface, the annular inner support surface coplanar with the annular outer support surface.
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Abstract
A shutter disk suitable for shield a substrate support in a physical vapor deposition chamber is provided. In one embodiment, the shutter disk includes a disk-shaped body having an outer diameter disposed between a top surface and a bottom surface. The disk-shape body includes a double step connecting the bottom surface to the outer diameter.
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Citations
15 Claims
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1. A processing apparatus comprising:
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a process chamber; and a shutter disk comprising; a disk-shaped body configured to cover a substrate support in the process chamber and configured to be transportable within the process chamber on a robot blade, the disk-shaped body comprising; a top surface; a side surface; a bottom surface comprising; an annular outer support surface; a first annular outer stepped surface disposed radially inward of the annular outer support surface; an annular inner stepped surface disposed radially inward of the first annular outer stepped surface; a second annular outer stepped surface disposed radially inward of the annular inner stepped surface and coplanar with the first annular outer stepped surface, wherein the annular inner stepped surface extends further into the body than the first annular outer stepped surface and the second annular outer stepped surface; and an annular inner support surface disposed radially inward of the second annular outer stepped surface, the annular inner support surface coplanar with the annular outer support surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification