hdi 78 74mil double sided pcb

{"cid":"91202162","title":"1.6mm Quick Turn Double Sided PCB FR4 Green Printed Circuit Board 1oz Finished","imgUrl":"https:\/\/img.ismap.com\/nimg\/9c\/39\/89224baf3c5986f81ff2dd6e4730-200x200-1.jpg","attrs":{"Brand Name":"Huashengxin","Model Number":"135332","Minimum Order Quantity":"1pcs","Delivery Time":"fastest 24 hours for 2L and 4L prototype, 3 days for HDI board production","Certification":"UL , ISO9001","Place of Origin":"China","Payment Terms":"T\/T","Packaging Details":"vacuum","PCB Name":"Double sided Green Printed Circuit Board","Marterial":"FR4","Surface finished":"Immersion Gold","Board Thickness":"1.6mm","Copper thickness":"1oz finished","Min. line distance\/space:":"1\/0.5mm","Solder mask":"Green","Smallest Mechanical drilling hole:":"0.8mm","Special requirement":"IPC class 3","Applicationcommunications products":"Medical devices products"}}

{"cid":"91178274","title":"HDI Electronic Immersion Gold FR-4 Green Soldermask PCB Printed Circuit Board","imgUrl":"https:\/\/img.ismap.com\/nimg\/dd\/7d\/57121ebab3866d55df378db1a73a-200x200-1.jpg","attrs":{"Price":"0.1-3usd\/pc","Brand Name":"KAZpcb","Model Number":"PCB-R-020","Minimum Order Quantity":"1","Delivery Time":"3-5days","Certification":"ISO9001 | UL ( E337072 ) | TS16949 ( 0259279 ) | ROHS","Place of Origin":"CN","Payment Terms":"Paypal \/ , T\/T, Western Union","Supply Ability":"10000-20000square meters per month","Packaging Details":"Vacuum packing","Material":"FR4","Layer":"4L","Copper thickness":"2\/2\/2\/2OZ","Board thickness":"1.6MM","Soldermask":"Green","Silkcreem":"White"}}