This paper reports a simple and effective ultrasonic embossing method which enables the rapid fabrication of dual-side surface-relief plastic diffusers with various cross angles. Metallic master molds ...

Abstract: Ultrasonic embossing and welding process is a fast and low cost manufacturing method for polymer devices in ambient temperature. More and more polymer MEMS devices, like optical devices and ...

Abstract: Abstract-This paper reports a new kind of extrusion roller embossing microstructure process, which enables the fabrication of diffusers with surface microstructures. Established extrusion ...