Latest fabricated rigid PCBs JF - Overseas Sales Dongguan HuiXinPu Circuit Co. Ltd(HXP Circuit) Tel: 0086-755-32813032 Email: [email protected] UL number E352848. ISO certificate number Q191203132. Rigid-Flex PCB 3 layer 26.1*16.94 mm 0.4 mm rigid /0.1mm flex Polyimide + FR4 material 2.5/0.5/2.5 oz copper Hard gold plating 5u" Polyimide cover layer on bottom only No silkscreen Different soldermask color 2 layer 311.6*210 mm 48pcs/array 1.0 mm thick FR4 material 1/1 oz copper Hard gold plating 2u" White soldermask on top Green mask on bottom No silkscreen PCB with gold fingers 4 layer 174.7*83.9 mm 1.6 mm thick FR4 material 2.5/2/2/2.5 oz copper HAL + Hard gold plated fingers 20u" Green soldermask White silkscreen