NW
Bulk Surface TreatmentFabrication & Surface Engineering

TMAH & BHF Wet Etching Processing Services

By tei Solutions Inc

We offer TMAH and BHF wet etch processing services for Si wafers from 4" to 12". The Si etch rate for TMAH wet etching is approximately 20 μm/hour, with an in-plane uniformity of less than 10%.