会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 10. 发明授权
    • X-ray pattern masking by a reflective reduction projection optical system
    • 通过反射缩小投影光学系统的X射线图案掩模
    • US5222112A
    • 1993-06-22
    • US812022
    • 1991-12-23
    • Tsuneo TerasawaMasaaki ItouShigeo MoriyamaSoichi KatagiriHiroshi Fukuda
    • Tsuneo TerasawaMasaaki ItouShigeo MoriyamaSoichi KatagiriHiroshi Fukuda
    • G03F7/20G21K1/06
    • G03F7/7085G03F7/2039G03F7/702G03F7/70233G03F7/70283G03F7/70358G03F7/70558G03F7/70566G03F7/70583G21K1/06
    • In printing patterns on a mask onto a wafer with high accuracy via a reflective reduction projection optical system by using an X-ray or vacuum ultraviolet beam there is an elliptical mirror having a source position defined in an X-ray source and a position of reflection image of entrance pupil of an imaging optical system with respect to the mask as foci and introducing means for synchronously scanning the mask and wafer. Due to inserting a plane mirror for bending an X-ray by approximately 90.degree. at at least one point in the imaging optical system so that the plane of incidence may be perpendicular to the polarization plane the reflectivity does not lower even when the angle of incidence is 45.degree.. A reflecting mirror or an X-ray filter having a lower reflectivity in the peripheral part thereof as compared with the reflectivity of the central part thereof in the stop position of the imaging optical system, brings about an effect of lessened influence of mutual interference between adjacent pattern provides pattern printing with high shape accuracy.
    • 通过使用X射线或真空紫外线,通过反射式还原投影光学系统将掩模上的印刷图案高精度地印刷在晶片上,具有在X射线源和反射位置中定义的源位置的椭圆镜 相对于掩模作为焦点的成像光学系统的入射光瞳的图像和用于同步扫描掩模和晶片的引入装置。 由于在成像光学系统的至少一个点处插入用于将X射线弯曲大约90°的平面镜,使得入射平面可以垂直于偏振面,即使当入射角也是如此,反射率也不降低 是45度。 与其在成像光学系统的停止位置的中心部分的反射率相比,其周边部分具有较低反射率的反射镜或X射线滤光器产生相邻干涉的相互干扰影响减小的效果 图案提供具有高形状精度的图案印刷。