Jan 3, 2022 #81 Hogokansatsukan Flashlight Enthusiast Joined Aug 14, 2006 Messages 5,245 Location Tucson We used different phosphors, one of which was produced by Nichia. Then those were put on in a multilayer PITA process using an optically clear epoxy.
We used different phosphors, one of which was produced by Nichia. Then those were put on in a multilayer PITA process using an optically clear epoxy.