Prices for sapphire ingots, a material for making LED chips, have declined more than 20% to less than US$20/mm in the second quarter of 2011, according to industry sources...
The article requires paid subscription.
Subscribe Now
Prices for sapphire ingots, a material for making LED chips, have declined more than 20% to less than US$20/mm in the second quarter of 2011, according to industry sources...
