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ACT Optics & Engineering, Inc. Patents |
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Assignee: ACT Optics & Engineering, Inc.
Address: Mentor, OH
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6652649 |
Supplemental heating unit for crystal growth furnace |
November 25, 2003 |
| A crystal growth station including a cylindrical crucible having powered bottom and top resistance heaters mounted below and above the crucible, respectively. A supplemental heating unit is positioned around the bottom edge of the crucible. The supplemental heating unit may be unpowered |
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