DI CORPORATION provides innovative, cost-effective solution as a leading tester manufacturer. Our product line includes: Test Burn-In Tester is the high precision and high performance memory IC Test & Burn-In Solution with small dimensions and additional capacity and IO pins providing better productivity in high temperature. Wafer Level Burn-In Tester is Burn-In System on Wafer Level and used for Wafer Business and Manufacturing of K.G.D. (Known Good Die.)