UNIT FOR SUPPORTING A SUBSTRATE AND APPARATUS FOR PROCESSING A SUBSTRATE HAVING THE SAME
First Claim
1. A unit for supporting a substrate comprising:
- a first support member having an electrode and a heater and supporting the substrate;
a second support member disposed beneath the first support member to support the first support member; and
a buffer member disposed between the first support member and the second support member to form an air gap between the first support member and the second support member so as to reduce heat transfer between the first support member and the second support member.
1 Assignment
0 Petitions
Accused Products
Abstract
A substrate support unit of a substrate processing apparatus includes a first support member, a second support member, a buffer member and a tube. The first support member has an electrode and a heater built-in and supports the substrate. The second support member is disposed beneath the first support member to support the first support member. The buffer member is disposed between the first support member and the second support member to form an air gap between the first support member and the second support member so as to reduce heat transfer between the first support member and the second support member. The tube is connected with a lower surface of the first support member. Further, the tube extends through the second support member and receives lines for applying power to the electrode and the heater.
34 Citations
12 Claims
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1. A unit for supporting a substrate comprising:
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a first support member having an electrode and a heater and supporting the substrate; a second support member disposed beneath the first support member to support the first support member; and a buffer member disposed between the first support member and the second support member to form an air gap between the first support member and the second support member so as to reduce heat transfer between the first support member and the second support member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus for processing a substrate comprising:
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a chamber providing a space to process the substrate; a substrate support unit disposed in the chamber and comprising a first support member having an electrode and a heater and supporting the substrate, a second support member disposed beneath the first support member to support the first support member, and a buffer member disposed between the first support member and the second support member to form an air gap between the first support member and the second support member so as to reduce heat transfer between the first support member and the second support member; and
a gas supply section supplying a process gas onto the substrate to process the substrate.
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Specification