Apparatus for forming a group ii-vi or group iii-v compound

Details Apparatus for forming a group ii-vi or group iii-v compound Apparatus for forming a group ii-vi or group iii-v compound

B - Operations, Transporting

01

J

23/419

B01J 8/00 (2006.01) C30B 23/02 (2006.01)

Patent

CA 1090986

AN IMPROVED APPARATUS FOR FORMING A GROUP II-VI OR GROUP III-V COMPOUND Abstract of the Disclosure An improved apparatus for forming Group II-VI or Group III-V compounds is disclosed. The apparatus includes a high-pressure vessel. A reaction container, within the pressure vessel, holds elemental Group II or Group III material and elemental Group VI or Group V material, respectively. A heating means is provided for heating at least the Group VI or Group V material to volatilize the material. Capping the reaction container is a gaseous diffusion barrier which communicates the interior of the reaction container with the interior of the pressure vessel by means of a circuitous passageway contained therein. The diffusion barrier essentially prevents the diffusing out of gaseous Group VI or Group V element material from the reaction container to maintain the ambient therein constant with respect thereto at a fixed volatilization temperature without permitting a rupturing pressure gradient to establish across the walls of the reaction container. -i-

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