... hours after receipt of the Gerber files or specification.5.Material * FR-4 (130TG-180TG)* CEM-1* Aluminum Based* ISOLA* ARLON ... 1.0mm(40mil) under 0.8mm x 0.8mm(31.5mil x 31.5mil)Min.stamping square hole specificationFR-4.CEM-3 board thinckness ... gold Ni5-8um, Au0.08-0.12umplating thincknessfinger gold Ni2.5-5um, Au0.05-0.12umprocess ability20000 square meters/monthprofile processdie ...