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https://www.hhcircuits.com/high-tg-pcb/4-layer-high-tg-impedance-control-fine-pitch-pcb

Number of layers: 4
Surface finish: ENIG
Base material: High TG FR4
Outer Layer W/S: 4/3.5mil
Inner layer W/S: 4/3.5mil
Thickness: 1.0mm
Min. hole diameter: 0.25mm
Special process: Impedance Control

Advantages Of 4 Layer High TG Impedance Control Fine Pitch PCB
Own lamination process to convenient production for Multilayer PCB and shorten the lead time.
Jiangxi facility is environmental-friendly approved by the government .
Famous raw materials brand, Kingboard, Shengyi, ITEQ, Taiyo, Guangxin.
Highly automated production line with AIO Optical Scanning, Electroplating Automatic Line, High-speed flying probe test machines and inkjet printer.
Engineers with more than 15 years of experience
The management level is highly educated, 30% have professional titles and more than ten years of work experience.
High staff stability, low mobility.
UL/ISO9001/SGS/IATF16949/ROHS/ISO1400 certificated.
Sales office in Shenzhen and own 12,000sqm factory in Jiangxi.
Establish an e-commerce system to reduce transaction costs and increase market response speed.

As a pcb company, we can provide types of pcb board for sale, if you are interested, please leave us a message.