Title: Crystal growing apparatus
Application Number: 88101744 Application Date: 1988.03.26
Publication Number: 1021229 Publication Date: 1988.10.05
Approval Pub. Date: 1993.10.06 Granted Pub. Date: 1993.10.06
International Classifi-cation: C30B15/34;C30B29/06
Applicant(s) Name: Mobil Solar Energy Corp. Address:
Inventor(s) Name: David S. Harvey
Attorney & Agent: XIAO ERGANG
Abstract:
    An apparatus and process are disclosed for growing tubular crystalline bodies according to the Edge defined, Film-Fed Growth (EPG) process, wherein the apparatus has at least one exterior passage and at least oen interior passage ormed in its crucible die assembly and associated parts, whereby gases introduced into at least one exterior passage will be delivered to the zone located outside the growing crystalline body adjacent to the growth face on the die member, and gases introduced into at least one interior passage will be delivered to the zone located inside of the hollow crystalline body adjacent to the growth face on the die member, whereby the atmosphere in each of the zones may be separately controlled.
Time: 7