发明名称 BLANK MASK AND PHOTOMASK
摘要 PROBLEM TO BE SOLVED: To provide a blank mask and a photomask.SOLUTION: A photomask provided with a high-resolution pattern of a half-pitch of 32 nm grade or higher, especially 22 nm grade or higher by forming a light-shielding film and a blank photomask which has a high etching selection rate to the light-shielding film and is provided with a thin hard film, on a transparent substrate. A photomask excellent in quality is provided by adjusting the composition ratio of a metal and silicon(Si) to light elements, with the metal and elements constituting the light-shielding film, and suppressing pattern damage by XeFgas in an electronic repairing step.
申请公布号 JP2015072471(A) 申请公布日期 2015.04.16
申请号 JP20140195059 申请日期 2014.09.25
申请人 SANDOS TECH CO LTD 发明人 NAM KEE SOO;KANG GEUNG-WON;SHIN CHEOL;LEE JONG HWA;LIANG ZHE GUI;KIN SHOSHUN;JEONG SEE-JUN;JANG KYU-JIN
分类号 G03F1/54;G03F1/48;G03F1/74 主分类号 G03F1/54
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