Wafer test from prototype to mass production is available in our clean room.STK is able to keep a stable yield with our probing skills for multi-pin or narrow pitch products, and train operators with our original training system.
We test wafer under clean environment, class 1000(0.5um) and engage quality of the products without cutting operating rates.
Oneline transfering service of test data is also available for customer service. We are distributing a service to meet the requirement of customers.
|Work area||Wafer test room (inside of clean room)|
|Cleanness(0.5um)||Class under 1000|
|Actual value(0.5um sequential measurement)||Class under 100|