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image gallery


A surface bonded GaN LED. The side of the die is 240um. Two small  dots of etched aluminum connects the die.  two mirror images of the die is reflected on the front and back glass surface.


A mirror  made from a concave substrate coated with a thin sputtered film of aluminum. Most types of material can be sputter coated by vacuum deposition.


concave mirror substrates directly from the DC sputter with an aluminum surface.


LED bonded to the aluminum electrodes etched on the glass surface.