Semi-insulating InP single crystals, semiconductor devices having substrates of the… Grant US-5254507-A United States of America 19 Oct 1993
SEMI-INSULATING INP SINGLE CRYSTALS, SEMICONDUCTOR DEVICES HAVING SUBSTRATES OF THE… Grant US-5173127-A United States of America 22 Dec 1992
Single crystals of semi-insulating indium phosphide and processes for making them Application EP-0455325-A1 European Patent Office 06 Nov 1991