| 摘要 |
958,870. Zone-melting. PHILIPS ELECTRICAL INDUSTRIES Ltd. Dec. 19, 1962 [Dec. 22, 1961], No. 47954/62. Heading BIS. A rod of gallium or indium arsenide is zonemelted between holders 5 and 6 in a vessel comprising an inverted tube 1 and an upright rotary double walled tube 3, the open end of tube 1 being immersed in a liquid seal of gallium or indium contained between the double walls. The inner walls of tube 3 contain arsenic. The rod-containing vessel is suspended in an outer container 11 which contains nitrogen and is movable through an induction heating coil 15. The temperature of the apparatus may be raised by heating means 12, 13 and 14. |
