Shielding temperature distribution: wall

For example, the hot-zone of a Kayex CG6000 puller, as shown in Fig. 2.2a has the crystal diameter of 5.5in. and quartz crucible of 16in.. The hot-zone could be divided into six major components (1) radiation shield (or cone) (2) top side insulation (3) additional side insulation (4) bottom insulation (5) top-wall insulation and (6) argon venting. The default hot-zone from Kayex did not include the cone and the top-wall insulation. The room for the bottom and side-wall insulations was still large. The temperature distribution calculated by STHAMAS is also shown on the left hand side of Fig. 2.2a,... 

F igure 1 shows the theoretical temperature distribution for radiation shields separated by a vacuum between parallel walls at 300 and 76 K. The curve was obtained from the relation... 

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