Rubicon Technology (RBCN), the materials provider of monocrystalline sapphire for use in LED’s announced late last week that Peregrine Semiconductor will not take additional shipments of sapphire until further notice due to weakening demand as a result of the global economic slowdown.  The contract called for a $2 million deliver late this year and another $5 million in the first half of 09, so for a company that does less than $40 in sales in … Read the rest