Float zone silicon sheet growth. Quarterly report number 10, January 1--March 31, 1996
Author(s) -
C.E. Bleil
Publication year - 1996
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/231552
Subject(s) - pinhole (optics) , task (project management) , float (project management) , capillary action , task force , glue , computer science , electrical engineering , mechanical engineering , engineering , meteorology , marine engineering , optics , physics , systems engineering , public administration , political science
During this period special attention has been paid to task number 8 as cited in the proposed statement of work. While the water cooling and power feed to the heaters and the primary and secondary electrodes has been completed and are functional, vacuum leaks developed during testing of the system. A multitude of stress induced pinhole vacuum leaks have seriously delayed the final system assembly. Progress has been extremely slow since the system has been completely disassembled and reassembled several times with extensive leak testing. As a result, task No. 8 and the relevant changes in tasks numbered 3, 4, 5, and 6 have occupied more than 90% of the time. Task No. 8 is the overall system assembly. Tasks 3, 4, 5 and 6 pertain to the optical temperature monitoring system, replenishment source development RF electrode assembly, and solid-liquid interface monitors
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