发明名称 FERROELECTRIC MEMORY DEVICE AND METHOD OF MANUFACTURING SAME
摘要 <P>PROBLEM TO BE SOLVED: To provide a ferroelectric memory device which has oxygen barrier properties and hydrogen barrier properties and simplifies the structure of a ferroelectric capacitor and is manufactured in an easy method, and a method of manufacturing the same. <P>SOLUTION: The ferroelectric memory device has a conductive barrier film 1 connected to a plug electrode 24, a lower electrode 2 disposed on the conductive barrier film 1 and connected to a plug electrode 24 through the conductive barrier film 1, a ferroelectric film 3 disposed on the lower electrode 2, an upper electrode 4 disposed on the ferroelectric film 3, a conductive hydrogen barrier film 5 disposed on the upper electrode 4, a VIA electrode 26 disposed on the conductive hydrogen barrier film 5 and connected to the upper electrode 4 through the conductive hydrogen barrier film 5, and an insulating hydrogen barrier film 6 disposed on the conductive hydrogen barrier film 5 and also on sidewalls of the conductive barrier film 1, lower electrode 2, ferroelectric film 3, upper electrode 4, and conductive hydrogen barrier film 5. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2009272319(A) 申请公布日期 2009.11.19
申请号 JP20080118753 申请日期 2008.04.30
申请人 ROHM CO LTD 发明人 SUZUKI TATSUYA;FUJIMORI TAKAKAZU
分类号 H01L21/8246;C23C14/08;C23C14/14;H01L27/10;H01L27/105;H01L41/08;H01L41/09;H01L41/18;H01L41/22;H01L41/23;H01L41/39 主分类号 H01L21/8246
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