Black Printed Circuit Board with IC Green Solder Mask PCB Gold Finger PCB Board OEM/ODM Service Available 6layer Rigid-Flex PCB Material: FR4 Tg170 +PI Finish Thickness: 1.0MM±0.1mm Finish copper thickness: 1/1/1/1/1/1 Oz Minimum width/spacing: 0.25/0.26mm Minimum via diameter: 1.0mm Surface finish: Immersion gold Controlled Impedance require: 50±10% Specialty: L3-4 (flexible board), L1-2,L5-6 (rigid board) Solder mask colour: Green Legend colour: White Prototype PCB Fabrication, Borderless Printed Circuit Bo ards PCBs,( PCB Prototyping please contact to info@mktpcb.com)  Now we are better, stronger and solid and our service to offer and please our customers in all kinds of high Tech products and materials required and our standard is high to recon with. Be it double-sided FR4 boards or single side, high technology, Blind and buried via boards, metal core boards, heavy copper boards, burn in boards or rigid-flex PCB and flex PCB. Etc. We can bind and buried in all kinds of unique materials. In developing series of high quality and a high standard material boards for suppliers and a full qualified component provider. We can also supply or furnish the electronic hobbyist or supply high quality PCB prototype at a low cost/ a good price. Prototype PCB Fabrication & Prototype PCB Assembly Turn Time Prototype We can offer a complete turnkey service for PCB prototyping: PCB Layout Design, PCB prototype fab, and PCB Assembly. Our circuit board prototyping services and turn times are unmatched: By using fully qualified PCB manufacturing and Assembly facilities, we can provide printed boardsï¼?including HDI PCBsï¼?as quickly as in 12 - 24 hours ï¼?depending on the technologies requiredï¼?and assemble them within 24 hours. Our professionals staff is here to serve our customers, assisting them to find the right Printed Circuit Boards solutions for their specific needs. By using our vast partners network, we can offer our customers Borderless Boards, providing them  all the printed circuit board technology and services. If you canâ??t find what you want, OR you are looking for an alternative partner, itâ??s time to contact the experts at MKTPCB. Material type: High TG(tg180), FR4 ,CEM-1, Teflon, Ceramic, Polymide, Metal base and specific materials as requested (For example: Taconic, Arlon, Rogers Surface finishing: HASL, Immersion Gold, Immersion Tin, ENIG, Electroless Silver, Selective gold plating, Electrolytic gold (Flash Gold). Soft gold, hard gold,(OSP) Max. layer:  24 layers Min. hole size:  0.2mm (8mil) Min. hole tolerance: PTH +/- 3 mil, NPTH +/- 2 mil Min Buried/Blind hole size :6 mil Min Line width/spacing: 3 mil / 3 mil Layer to layer registration: +/- 2 mil Board thickness range:0.1 mm to 3.2 mm Min SMT SM bridge: 0.1 mm (4 mil) 4oz (max) 0.5oz (min) Max. Active Panel Size: 2 Layer 24â?�x28â?� Multilayer 22â?�x26â?� Copper/Cladding Thickness Inner-layer: 6oz (max) 0.5oz (min) outer layer