FX PCB Co., Ltd. Thick Copper PCB

Description The Thick Copper of Processing Capability: Item Capability Classification Mass Production Sample Capacity Structure Grading Goldfinger M – Gold finger length M – Steps gold finger – – Accuracy of critical dimension Goldfinger zone thickness tolerance +/-10% +/-8％ Chamfer +/-5mil +/-4mil Accuracy to shape +/-3mil – Accuracy to pattern +/-1mil +/-0.8mil Mixed compression Type 16 28 Accuracy of graph Line precision +/-1mil +/-0.8mil Accuracy Of Buried Resistor Buried resistance precision +/- 10% – Counterpoint Graph ≤1.2mil ≤1mil Interlamination +/-7mil +/-6mil Line width /spacing 3oz 6/8 6/6 4oz 8/8 7/6 5oz 8/10 8/8 6oz 12/12 10/10 7oz 12/14 12/12 8oz 12/16 12/16 10oz 12/18 12/18 12oz 12/20 12/20 Solder Mask 4mil 3.5mil 3-5oz Min Ring Width For Inner Layer Aperture 1.0~1.5 12mil – Aperture 1.5~3.0 20mil – Aperture 3.0~4.0 24mil – Aperture >4.0 30mil – Layer Count 3oz 20 layers 24 layers 4oz 20 layers 24 layers 5oz 16 layers 20 layers 6oz 16 layers 20 layers 7～12oz 10 layers 12 layers