发明名称 Solid diffusion dopants for semiconductors and method of making the same
摘要 Disclosed is a solid diffusion source for the phosphorus doping of semiconductors, which comprises a substance composed of at least one kind of compound R2O3 selected from the group consisting of Y2O3, La2O3 and Ce2O3 and P2O5 and containing mainly a compound with a chemical formula R2O3.5P2O5.
申请公布号 US4033790(A) 申请公布日期 1977.07.05
申请号 US19760709815 申请日期 1976.07.29
申请人 DENKI KAGAKU KOGYO KABUSHIKI KAISHA 发明人 GUNJIGAKE, KOREAKI;HASEGAWA, MASASHI;OIZUMI, HIROSHI;OGATA, YOSHIO
分类号 C30B31/08;C30B31/16;H01L21/22;(IPC1-7):C04B35/40 主分类号 C30B31/08
代理机构 代理人
主权项
地址