Blind/Buried Via 5+N(N+M)+5 Structure Trace Width/Spacing 1.6/1.6mil Laser Hole Size(mm) 0.075 High Density Interconnector Founded in 2007, PEAK Co.,Ltd is an electronic solutions company offering 1-64 layers PCB fabrication, assembly, testing & validation of rigid, rigid-flex, HDI, high frequency, high speed, metal core, IC substrate, substrate-like and other special PCB. Our modern 54,000 square foot manufacturing facility allows us to provide all rigid & rigid-flex services under one roof and offer quick-turn capabilities.PEAK has a professional reputation for developing high-performance solutions for technically advanced OEM's in a variety of markets including aerospace and defense, medical, computer, communication, server, semiconductor IC, automotives, industrial control, optoelectronics, LED and others.