Patent ID: 11961756
Assignee: ASM IP HOLDING B.V.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A susceptor comprising:
a face configured to support a substrate thereon;
an outer edge forming an outer perimeter around the face;
a back surface opposite the face, wherein the face comprises:
a channel region positioned between the outer edge and a center of the face; and
a plurality of channels disposed within the channel region and extending radially relative to the center of the face; and

one or more apertures extending between the face and the back surface, the one or more apertures configured to allow for pins to extend therethrough and lift a substrate from the face of the susceptor, the one or more apertures disposed within the channel region,
wherein each of the plurality of channels is substantially straight in a radial direction,
wherein an angular separation between first and second channels of the plurality of channels is greater than an angular separation between the second channel and a third channel of the plurality of channels, and
wherein the first channel is radially consecutive with the second channel and the second channel is radially consecutive with the third channel.