DEV Community

loading...

Discussion on: Mastering LED with BASIC wirelessly

Collapse
lookatmenow2 profile image
LookatMeNow2

Sapphires are always in price and outgoing elements too, for example, I didn’t even know that polished sapphire substrates are used as in LED optics / watch glasses to huge windows/mirrors all of them are produced by the worldwide artificial sapphire manufacturer this isn't news for u ??