Patent ID: 7252737
Filing Date: 2007-08-07
Classification: H01J,H01L

Abstract:
1. A substrate support member for supporting a semiconductor substrate during processing, comprising: a quartz body having: an upper surface and a lower surface; a stepped recess centrally formed in the upper surface having an outer portion and an inner portion; at least one threaded hole formed between the upper and lower surface of the quartz body, the hole having an outlet in the inner portion of the stepped recess; and a plurality of lift pin holes disposed through the quartz body and exiting the upper surface through the inner portion of the stepped recess; and a plurality of ceramic rods extending radially inward from an outer diameter surface of the quartz body, wherein the quartz body further has a plurality of holes, for insertion of the plurality of ceramic rods, formed radially inward from the outer diameter surface of the quartz body.