During hot embossing, which takes place in a vacuum chamber, it is important for the glass and the equipment to be kept at a constant temperature until the workpiece has been ejected from the mold.
The Hong Kong Polytechnic University (PolyU) has developed a novel micro-embossing device for manufacturing precision glass lenses with high image quality. The lenses have the resolution required for ...
The lens is what matters: if lens arrays could be made of glass, it would be possible to make more conveniently sized projectors. Researchers have now developed a process that allows this key ...
This release is available in German. Projectors are getting smaller and smaller. Now that pictures are available in digital format almost everywhere, we need projectors to beam giant photos and films ...