Patent ID: 11898247
Assignee: KOKUSAI ELECTRIC CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 0:
1. A substrate processing apparatus comprising:
a process chamber capable of accommodating a plurality of substrates;
a gas supplier configured to supply a process gas to the plurality of the substrates in the process chamber;
a gas exhauster configured to discharge the process gas from the process chamber;
a substrate retainer comprising a plurality of support columns provided with a plurality of substrate supports that are configured to support the plurality of substrates, respectively; and
a plurality of disks interposed between the plurality of the substrates, respectively, and in vicinity of back surfaces of the plurality of the substrates,
wherein the plurality of disks are placed at the plurality of support columns in a manner that the plurality of disks are located respectively beneath the plurality of substrate supports without a gap therebetween.