hdi 2 n 2 stacked holes pcbs

{"cid":"91222745","title":"12 Layers HDI 2+N+2 Stacked holes PCBs","imgUrl":"https:\/\/img.ismap.com\/nimg\/ab\/b1\/3e1aefdb01cfc3ab8f24fac0c2ae-200x200-1.jpg","attrs":{"Layers":"12 Layers","Material":"Shengyi S1000 TG170","Board Thickness":"1.6MM","Copper thickness":"1OZ","Surface finish":"ENIG 3u\u201d","Special technology":"Stacked laser holes PCBs"}}

{"cid":"91197854","title":"Hybrid PCB 1.4mm RO4003C and FR4 Through Holes PCB Impedance Controlled PCB","imgUrl":"https:\/\/img.ismap.com\/nimg\/c2\/92\/e6dc31b02c16b5d98a7f4a670d3b-200x200-1.jpg","attrs":{"Price":"USD9.99-99.99","Brand Name":"Bicheng","Model Number":"BIC-083.V1.0","Minimum Order Quantity":"1PCS","Delivery Time":"8-9 working days","Certification":"UL, ISO9001, IATF16949","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"5000PCS per month","Packaging Details":"Vacuum bags+Cartons","Base material":"RO4003C+FR-4; RO4350B + FR4; F4B + FR4; Duroid\/RT5880 + RO4350B; Duroid\/RT5880 + FR4","Layer count":"4 Layer, 6 Layer, Multilayer","PCB thickness":"1.0-5.0mm","PCB size":"\u2264400mm X 500mm","Solder mask":"Green, Red, Blue, Black, Yellow","Silkscreen":"White","Copper weight":"0.5oz (17 \u00b5m), 1oz (35\u00b5m), 2oz (70\u00b5m)","Surface finish":"Bare copper, HASL, ENIG, Immersion tin, OSP"}}