3L Flex PCB with Gold Fingers
3L Flex PCB with Gold Fingers
1.7mm thickness
Polymide+stiffener
4/8 mil line width/space
ENIG（2U”）+Flash gold 30u"
outer 1oz finished, inner 0.5oz finished
solder mask: yellow for both side
solder mask thickness: 50um
silkcreen: White
hole wall: 25um （min)
Acceptance Standard): IPC Class 2
100% AOI Test
ISO.9001/CQC/ISO.TS16949/ROHS
Application：Consumer/home/network
- Multech
- China
- 5-7 days
- 88000sqm/month
Product Description:
This 3L Flex PCB with gold fingers is built for consumer, home and network use. Its 1.7mm polyimide substrate plus stiffener boosts durability, while 4/8 mil line width/space and outer 1oz/inner 0.5oz copper ensure stable signal transmission.
With ENIG (2U") + 30u" flash gold finish, it offers strong solderability and corrosion resistance. Its features include: 50um thickness yellow solder mask, white silkscreen on both sides, and a minimum 25um hole wall thickness.
Compliant with IPC Class 2, it undergoes 100% AOI testing and holds ISO 9001, CQC, ISO/TS16949 and RoHS certifications, guaranteeing reliable quality for diverse electronics.
Product Specifications: 3L Flex PCB with Gold Fingers
Product Advantages:
This 3Layer Flex PCB with gold fingers stands out because of its steady performance. Its ENIG + 30u" flash gold finish delivers exceptional corrosion resistance and wear durability, ensuring stable connections through repeated plugging. Its material of Polyimide + Stiffener balances flexibility and structural strength, while strict IPC Class 2 compliance and 100% AOI testing guarantee reliable quality for consumer, home and network applications.
Company Profile:
Founded in 1997, Multech PCB is a leading player in China’s high-end printed circuit board sector, with nearly 30 years of profound industry know-how under its belt. Founded by seasoned PCB experts, the company is based in Shenzhen’s Qianhai area, and operates a 20,000-square-meter production hub in Huizhou. This factory is equipped with a complete set of advanced automated production lines, capable of producing over 2 million square meters of printed circuit boards annually. This enables it to handle prototype orders, medium-sized production batches, and large-scale mass production with ease, and it operates with great efficiency as well.
Supported by a 60+ member R&D team, who focused on technological innovation, Multech PCB has built a diverse portfolio of high-value products, including high-density multilayer PCB, HDI substrates, backplane PCB, high-frequency PCB, metal-core PCB, and flexible/rigid-flex PCB. Eighty percent of its products are exported to markets in Europe, USA, Japan, and the Asia-Pacific region, applied in key industries such as telecommunications, industrial automation, medical devices, automotive electronics, and aerospace, etc.
Committed to strict international standards, the company holds ISO9001, ISO14001, UL, RoHS, and IATF16949 certifications. Its fully compliant production processes are complemented by 100% pre-shipment inspection, ensuring consistent and reliable quality. For many years, Multech PCB has provided integrated PCB+PCBA turnkey solutions to world-famous enterprises, winning the trust of global customers through outstanding quality, competitive price, and prompt delivery time.
ISO 13485
ISO 9001
IATF 16949
ISO 14001
Manufacturing Process:
FAQ:
Q:What files do you use in bare pcb fabrication?
A:Gerber RS-274X,274D,Eagle and AutoCAD's DXF,DWG
Q:What format of Bom List you prefer?
A:We prefer in MS-Excel with Components Part No.,Manufacturer,Quantity,Value info, other format are also accepted.
Q:How can i know the processing about my PCBA order?
A:Each Customer will have a sale to contact with you. Eastwin working hours:AM 9:00-PM 6:00(Beijing Time) from Monday to Friday. we will reply your email in 2hours during our working time. And you also could contact with our sales by cellphone if urgent.
Q:How long will we get the quotation after providing pcb gerber file,completed bom list,part datasheet and PNP file?
A: The quotation will be sent in less than 2 work days, for some special components, you also could recommend supplier to us.
Q:If all PCBAs will be tested before delivery if we provide the function testing method?
A:Yes, we ensure that each piece of PCBA will be tested before shipment, we ensure the goods we sent with good quality.
Q:What’s your minimum order quantity (MOQ)?
A:Our MOQ is 1 piece. We support prototype orders, small-batch trials, medium orders and high-volume orders to meet diverse R&D and production requirements.
Q: What are the transportation methods used by your company?
A: Air transport, sea transport, rail transport, DHL, FEDEX, UPS, TNT and certain designated freight forwarders for customer's needs.
Q: What is your usual method of payment?
A: We usually use bank transfers and Paypal for receiving payments.
After-sales service:
At Multech, we believe that one piece of high-quality PCB is just the beginning of the collaboration. What truly makes clients choose to walk with us for 20 years is our accountability when problems arise and our expertise with every technical consultation.
- Quality Assurance:100% tested. Free re-production for any defects.
- Technical Support: Lifetime access to our PE team for consultation, including GERBER file review, documentation guidance, design recommendations, and DFM (Design for Manufacturing) advice.
- Rapid Response: Providing preliminary feedback within 48 hours for any complaints.
- Long-Term Partnership:Professional account management services for high-volume orders.
