发明名称 ホウ素拡散用塗布液
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a relatively inexpensive coating liquid for boron diffusion that prevents variations in the resistance value of a semiconductor device in which boron has been diffused, can diffuse boron with high concentration, and can further avoid the contamination of the semiconductor device by sodium. <P>SOLUTION: The coating liquid for boron diffusion contains: (a) a boron compound; (b) a polyvinyl alcohol based resin having a sodium content of≤10 ppm; and (c) water. <P>COPYRIGHT: (C)2010,JPO&INPIT</p>
申请公布号 JP5748388(B2) 申请公布日期 2015.07.15
申请号 JP20080223973 申请日期 2008.09.01
申请人 发明人
分类号 H01L21/225 主分类号 H01L21/225
代理机构 代理人
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