Patent ID: 6204084
Filing Date: 2001-03-20
Classification: B82Y,H01L,H01S

Abstract:
A method of manufacturing a nitride system semiconductor device, comprising the steps of:forming an n-type In.sub.x Ga.sub.y Al.sub.z B.sub.1-x-y-z N.sub.m P.sub.n As.sub.1-m-n (0.ltoreq.x, 0.ltoreq.y, 0.ltoreq.z, 0.ltoreq.x+y+z.ltoreq.1, 0.ltoreq.m, 0.ltoreq.n, 0.ltoreq.m+n.ltoreq.1) layer overlying a substrate;forming at least a p-type In.sub.x Ga.sub.y Al.sub.z B.sub.1-x-y-z N.sub.m P.sub.n As.sub.1-m-n (0.ltoreq.x, 0.ltoreq.y, 0.ltoreq.z, 0.ltoreq.x+y+z.ltoreq.1.0.ltoreq.m, 0.ltoreq.n, 0.ltoreq.m+n.ltoreq.1) layer, after said n-type In.sub.x Ga.sub.y Al.sub.z B.sub.1-x-y-z N.sub.m P.sub.n As.sub.1-m-n is formed;forming a pside electrode overlying said p-type In.sub.x Ga.sub.y Al.sub.z B.sub.1-x-y-z N.sub.m P.sub.n As.sub.1-m-n layer; andsaid p-type In.sub.x Ga.sub.y Al.sub.z B.sub.1-x-y-z N.sub.m P.sub.n As.sub.1-m-n layer being formed using at least both a material gas containing an organic magnesium compound and ammonia and a carrier gas, which is essentially a nitrogen gas and a hydrogen gas,wherein said hydrogen gas concentration in a reaction tube is between 0.05 and 20 volume percent.