Use this free eye mask sewing pattern for costumes and Halloween to make a comfortable, versatile, and durable mask for adults and children. We have started talking about costumes at our house, and we ...

Deputy polling director at The Washington Post specializing in public opinion about politics, elections and more. Emily Guskin is the deputy polling director at The Washington Post, specializing in ...

Abstract: The use of laser scanning to generate semiconductor masks is reviewed. Following a brief historical introduction that describes early pattern generator implementations, current and future ...

Abstract: An X-ray lithography system is analyzed in terms of maximizing the absorbed energy density in the resist. The individual factors, such as X-ray quantum efficiency, electron-beam energy, ...