extra thinness micro hole multiplayer

详情

Technical data: Surface coating: gold platting , H.A.L, immersion tin, immersion gold, OSP, lead free HAL, immersion silver. Used material: FR4, CEM3, CEM1 Max layer: 8 layers Maximum board size: *0inch**4inch **0mm***0mm Minimum board thickness(outer): *2 mil 0.*0 mm 2 L *4 mil 0.*0 mm 4 L *8 mil 1.*0 mm 6 L *4 mil 1.*0 mm 8 L Minimum board thickness(inner): *2 mil 0.*0 mm Maximum aspect ratio: 8：1 8：1 Minimum SMD spacing: 4 mil 0.1mm Minimum finished hole size: 8 mil 0.2mm Layer count: **8 L Minimum trace space/width: 4mil 0.1mm Multilayer registration accuracy: ± 3 mil ±0.**5mm Accuracy of outline: ± 4 mil ±0.1m Maximum copper weight: 3OZ Control impendence: *0％ Blind/buried via: Y