For silicon wafer, all you needs is USIC
Overview
United Silicon Innovation Corp. (USIC) is silicon test wafer expert, offering a broad range of wafer solutions for customer through 100mm~300mm silicon test wafers. USIC are capable of providing test wafer, monitor wafer, dummy wafer, CoinRoll wafer, reclaim service and film product (Al wafer & Oxide wafer). Our product are already applied in worldwide tier one semiconductor manufactures, including semiconductor equipment manufacturers, Outsourced Semiconductor Assembly and Test Services (OSAT) provider, LED manufacturers, reclaim house, research institute, etc.