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R & B Plastics, Inc. Patents |
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Assignee: R & B Plastics, Inc.
Address: Anaheim, CA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7029386 |
Retaining ring assembly for use in chemical mechanical polishing |
April 18, 2006 |
| A retaining ring assembly for use in chemical mechanical polishing that includes an annular plastic retaining ring portion defining an annular projection thereon, an annular metal backing defining an annular channel therein for receiving the projection and a pair of elongated spring |
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