In-situ apparatus for semiconductor process module
Aspects of the present disclosure generally relate to apparatuses and methods for edge ring replacement in processing chambers. In one aspect, a carrier for supporting an edge ring is disclosed. In other aspects, robot blades for supporting a carrier are disclosed. In another aspect, a support structure for supporting a carrier in a degassing chamber is disclosed. In another aspect, a method of transferring an edge ring on a carrier is disclosed.
1. A carrier for supporting an edge ring, comprising:
a plate having a perimeter including a plurality of curved edges and a plurality of parallel edges;
a plurality of inserts disposed in the plate, each insert formed of a polymer material and configured to engage a supporting structure; and
a plurality of support structures coupled to the plurality of curved edges, each respective support structure extending above a plane of an upper surface of the plate, and each respective support structure comprising:
a step formed on a radially outward edge of the respective support structure and disposed above and below the plane of the upper surface of the plate, the step of each respective support structure comprising:
a supporting surface disposed parallel to and below the upper surface of the plate, and
an arcuate wall positioned radially inward of the supporting surface of the respective support structure and oriented perpendicular to and extending above the plane of the upper surface of the plate, the arcuate wall of each respective support structure extending perpendicularly to the supporting surface of the respective support structure, and
a male extension positioned radially inward of the wall and extending into the plate.
2. The carrier of claim 1 , wherein the arcuate wall of each respective support structure has a radius of curvature that is less than an inner radius of the edge ring.
3. The carrier of claim 2 , wherein the arcuate wall of each respective support structure is disposed at a radius relative to a center of the plate, and the radius is equal to or lesser than the inner radius of the edge ring.
4. The carrier of claim 1 , wherein the plate is a semi-circular plate.
5. The carrier of claim 1 , wherein at least some of the plurality of inserts are positioned radially inward of the plurality of support structures.
6. The carrier of claim 1 , wherein each insert comprises a body disposed in an opening formed in the plate.
7. The carrier of claim 6 , wherein the body of each insert comprises a flared portion having an outer diameter that is larger than a cylindrical portion of the body.
8. The carrier of claim 7 , wherein the body of each insert further comprises a bore formed through the body.
9. The carrier of claim 1 , wherein the plate comprises one or more openings formed therein.
10. The carrier of claim 9 , where the one or more openings comprises a plurality of openings, and at least one of the plurality of inserts is positioned between two of the plurality of openings.
11. A carrier for supporting an edge ring, comprising:
a plate having a perimeter including a plurality of curved edges and a plurality of parallel edges;
a plurality of inserts disposed in the plate, each insert formed of a polymer material and configured to engage a supporting structure; and
a plurality of support structures coupled to the plurality of curved edges, each respective support structure comprising:
a step formed on a radially outward edge of the respective support structure, the step of each respective support structure comprising:
a supporting surface, and
an arcuate wall positioned radially inward of the supporting surface of the respective support structure and extending perpendicularly to the supporting surface of the respective support structure.
12. The carrier of claim 11 , wherein the arcuate wall of each respective support structure has a radius of curvature that is less than an inner radius of the edge ring.
13. The carrier of claim 12 , wherein the arcuate wall of each respective support structure is disposed at a radius relative to a center of the plate, and the radius is equal to or lesser than the inner radius of the edge ring.
14. The carrier of claim 11 , wherein the plate is a semi-circular plate.
15. The carrier of claim 11 , wherein each insert comprises a body disposed in an opening formed in the plate, and the body of each insert comprises a flared portion having an outer diameter that is larger than a cylindrical portion of the body.
16. The carrier of claim 15 , wherein the body of each insert further comprises a bore formed through the body.
17. A method of transferring an edge ring, comprising:
inserting a robot blade into a chamber through a slit valve door, the robot blade having a carrier thereon and an edge ring supported on the carrier;
positioning the carrier and the edge ring thereon over a substrate support;
actuating substrate lift pins to lift the edge ring from the carrier; and
retracting the robot blade and the carrier from the chamber;
wherein the carrier comprises:
a plate having a perimeter including a plurality of curved edges and a plurality of parallel edges;
a plurality of inserts disposed in the plate, each insert formed of a polymer material and configured to engage a supporting structure; and
a plurality of support structures coupled to the plurality of curved edges, each respective support structure comprising:
a step formed on a radially outward edge of the respective support structure, the step of each respective support structure comprising:
a supporting surface, and
an arcuate wall positioned radially inward of the supporting surface of the respective support structure and extending perpendicularly to the supporting surface of the respective support structure.
18. The method of claim 17 , further comprising:
lowering the edge ring into contact with the substrate support.
19. The method of claim 18 , wherein lowering the edge ring into contact with the substrate support includes positioning the edge ring in a non-parallel configuration with respect to an upper surface of the substrate support to adjust a position of a plasma sheath during processing.
20. The method of claim 17 , wherein the inserts of the carrier are engaged with the robot blade during the inserting the robot blade into the chamber and the retracting the robot blade and the carrier from the chamber.