发明名称 SEMICONDUCTOR DEVICE AND ITS MANUFACTURING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a semiconductor device having a capacitor of superior characteristics and reliability, and to provide a method for manufacturing it. SOLUTION: This semiconductor device comprises lower electrodes 11 and 12; upper electrodes 14 and 15; and a dielectric film 13 formed of a perovskite type ferroelectric containing Pb, Zr, Ti and O, which is interposed between the upper electrode and the lower electrode. The dielectric film contains a first part 13a formed of a plurality of crystal grains blocked out by grain boundaries in a plurality of directions. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004056108(A) 申请公布日期 2004.02.19
申请号 JP20030147889 申请日期 2003.05.26
申请人 TOSHIBA CORP;INFINEON TECHNOLOGIES AG 发明人 ARISUMI OSAMU;IMAI KEITAROU;YAMAKAWA KOJI;BUN NORIKI
分类号 H01L21/316;H01L21/8246;H01L27/105;(IPC1-7):H01L27/105 主分类号 H01L21/316
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