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    • 5. 发明专利
    • Semiconductor device and method of manufacturing it
    • 半导体器件及其制造方法
    • JP2006086525A
    • 2006-03-30
    • JP2005261224
    • 2005-09-08
    • Samsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.
    • IN SENHITSULEE SHOGENSOHN WOONG-HEECHOI GIL-HEYUNLEE BYUNG HAKPARK HEE-SOOKYOO JONG-RYEOLLIM DONG-CHANPARK JAE-HWA
    • H01L21/8247H01L27/115H01L29/788H01L29/792
    • H01L27/11526H01L21/82345H01L27/105H01L27/1052H01L27/11546
    • PROBLEM TO BE SOLVED: To provide a semiconductor device and a method of manufacturing it, and more specifically, a flash memory device and a method of manufacturing it, in which, even if time passes once it data are inputted, that state is maintained and electrical input and output of the data are made possible. SOLUTION: In the flash memory device and the method of manufacturing it, a tunnel oxide film, a floating gate, and a dielectric film which comprises a thin film made of a material with high dielectric constant are formed on a cell region of a semiconductor substrate. A polysilicon film doped with p-type dopant, and a control gate which comprises a conductive film made of a metal material are formed on the dielectric film. The semiconductor substrate, a tunnel oxide film, a polysilicon film pattern which is made of the same material as the floating gate, and a conductive film pattern which is the same as the conductive film are formed on a peripheral circuit region of the semiconductor substrate. Accordingly, even if a simple process is carried out, coupling ratio is improved without generating faults. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种半导体器件及其制造方法,更具体地,涉及一种闪存器件及其制造方法,其中即使在数据输入时经过一次,该状态 保持数据的电输入和输出成为可能。 解决方案:在闪速存储器件及其制造方法中,包括由具有高介电常数的材料制成的薄膜的隧道氧化物膜,浮动栅极和电介质膜形成在 半导体衬底。 掺杂有p型掺杂剂的多晶硅膜和由金属材料制成的导电膜的控制栅极形成在电介质膜上。 在半导体衬底的外围电路区域上形成半导体衬底,隧道氧化物膜,与浮动栅极相同的材料制成的多晶硅膜图案和与导电膜相同的导电膜图案。 因此,即使进行简单的处理,也不会产生故障而提高耦合比。 版权所有(C)2006,JPO&NCIPI