下面英语是什么意思,看看前面的学习效果 9 m* X6 X: l0 `
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Fabricator shall utilize& certify laminate, prepreg &surface finish materials including solder mask&Silkscreen inks for ROHScompliance in accordance with ROHS,WEEE DIRECTIVE. Laminate and pre-preg is FR4and shall be compatible with IPC4101A/26.Flammability Rating UL 94V-1 or better.The copper wall thickness inplated-through holes, via holes and in blind and buried vias shall be 0.001” min.the min width and space is3/3mil,surfacetreatment is HASL(Pb free),Fabricatos I.D and UL mark on solder side free fromany metal entity. 7 i2 U& D3 k3 a e* l8 f
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