公开(公告)号：US20190140160A1

公开(公告)日：2019-05-09

申请号：US16079522

申请日：2017-02-24

申请人： PIEZO STUDIO INC. ,  TOHOKU UNIVERSITY

发明人： Akira YOSHIKAWA ,  Yuui YOKOTA ,  Yuji OHASHI ,  Kei KAMADA ,  Tetsuo KUDO ,  Kenji INOUE ,  Yasuhiro SHOJI ,  Yu IGARASHI ,  Mototaka ARAKAWA ,  Shunsuke KUROSAWA ,  Akihiro YAMAJI

IPC分类号： H01L41/187 ,  C30B29/34 ,  C30B15/08 ,  C01B33/24 ,  C01B33/26 ,  H01L41/41

摘要： The present invention makes clear and defines a congruent composition of a langasite-based oxide, and establishes a method of manufacturing a crystal by any desired composition of AE3ME1+a(Ga1-xAlx)3+bSi2+cO14 (AE is an alkaline-earth metal, ME is Nb or Ta, 0≤x≤1, −0.5