Traditionally employed to make LEDs, sapphire substrates now are being used by Apple and other smartphone vendors as covers for camera lenses and home buttons, contributing to a rapid growth in sapphire demand, according to IHS.
Traditionally employed to make LEDs, sapphire substrates now are being used by Apple and other smartphone vendors as covers for camera lenses and home buttons, contributing to a rapid growth in sapphire demand, according to IHS.