Unitepcb domestic and offshore PCB capability

Choosing Unitepcb as your circuit board manufacturer has its benefits. As a member of the Unitepcb family, you’ll experience rapid quote response, flexible lead times, technical support, and engineering services from a leading supplier who is on the cutting-edge of technology offering a variety of PCB solutions – everything you need and want from a PCB supplier.

We offer a wide range of printed circuit board manufacturing capabilities that are in-line with your PCB needs. In order to meet the needs of our diverse customer pool, Unitepcb has both strategic manufacturing partners domestically and overseas so that we are expertly positioned to deliver the right board with the right specifications.

Technology capability
PCB
ItemStandardAdvanced
Layer count40L60
Board thickness5.5mm6.5mm
Aspect ratio10:0114:01
Copper thickness6OZ12OZ
Maxium PCB size1L:500×2000mm540×2000mm
2L :500×1200mm540×1200mm
≥4L:540*650mm540*650mm
Min. 4L board thickness0.38mm0.35mm
Min. hole & pad size0.20/0.40mm0.15/0.35mm
Drilling Acuracy±0.05mm±0.038mm
Min. solder mask bridge0.065mm0.065mm
PTH hole size tolerance±0.05mm±0.038mm
Contour tolerance±0.05mm±0.05mm
Impedance tolerance±8%±6%(Differential impedance)
Min. line width/spacing0.075/0.075mm0.065/0.065mm
Surface finishENIG, OSP,Lead free HASL, Gold plating(hard gold),Immersion Silver, Immersion Tin, Tin plating, Silver plating, Carbo
HDI PCB
ItemStandardAdvanced
HDI stage3+N+3Anylayer
Aspect ratio for blind via1:011:01
Min. 8L board thickness0.70mm0.65mm
Min. line width/spacing0.05/0.05mm0.05/0.05mm
Key line/tolerance0.065mm/15%0.06mm/10%
Min. blind via diameter0.10mm0.09mm
Min. capture pad size0.23mm0.20mm
Min. PTH diameter0.20mm0.175mm
Min. PTH PAD size0.35mm0.30mm
Min. clearance(copper to SM opening)0.038mm0.025mm
Min. solder mask bridge0.065mm0.065mm
Min. CSP/BGA pitch0.40mm0.35mm
PTH hole size tolerance±0.05mm±0.038mm
Contour tolerance±0.05mm±0.05mm
Impedance tolerance±8%±6%(for differential impedance)
Surface finishENIG, OSP,Lead free HASL, Gold plating(hard gold),Immersion Silver, Immersion Tin, Tin plating, Silver plating, Carbon ink
Flexible PCB
ItemStandardAdvanced
Layer count8L12
Maxium PCB size2000*240mm2000*240mm
Min. line width/spacing1/4OZ0.04mm0.04mm
1/3OZ0.05mm0.05mm
1/2OZ0.055mm0.055mm
Min. PTH size0.15mm0.1mm
Min. PTH PAD size0.25mm0.2mm
Min. blind via diameter0.10mm0.075mm
Min. capture pad size0.25mm0.175mm
Min. solder mask bridge0.065mm0.065mm
Coverlay registration tolerance0.15mm0.10mm
PTH hole size tolerance±0.05mm±0.038mm
Contour tolerance±0.05mm±0.05mm
Impedance tolerance±8%±6%(for differential impedance)
Min. slot hole width0.60mm0.50mm
Pitch tolerance±0.05mm±0.03mm
Air Gap capabilityYESYes
Surface finishENIG, OSP, Gold plating(hard gold)
Rigid-Flex PCB
CategorySmall and Medium Batches Order (Order area ≥10㎡)Prototype Order (Order area < 3㎡)
Poduct structure1+n+1; 1+1+n+1+1; 2+n+21+n+1, 1+1+n+1+1, 2+n+2
F+R, cu+F+cu, R+F+R+F+R, R+F+RF+R, cu+F+cu, R+F+R+F+R, R+F+R
Number of layersRigid-flex PCB≤18L≤24L
FPC≤10L≤16L
Board thickness (mm)Rigid-flex board0.3-3.20.3-3.2
FPC0.06-0.350.06-0.35
Board size (mm)Rigid-flex PCB15*15 to 310*51015*15 to 310*510
FPC5*15 to 310*5105*15 to 310*510
Copper thickness (OZ)Maximum copper thickness of FR-4Outer layer 2OZ, inner layer 2OZOuter layer 2OZ, inner layer 2OZ
Maximum copper thickness of FPCOuter layer 1 OZ, inner layer 1 OZOuter layer 2 OZ, inner layer 2 OZ
Minimum copper trace width and spacing capability (um)75/7575/75
Minimum diameter of mechanical drill (mm)0.20.15
Rigid part materialTg170S1000-2M,IT180AS1000-2M,IT180A
High TG halogen-freeS1165S1165
Thickness of dielectric layer (mm)0.1-3.20.075-3.2
Flex part materialFlexible materialPI DuPont, Panasonic, ShengyiPI DuPont, Panasonic, Shengyi
Surface insulation layerCover film, soldermaskCover film, soldermask
Thickness of dielectric layer (mm)0.025-0.10.012-0.1
Surface treatmentRigid-flex boardHASL with lead / lead-free, immersion gold, immersion tin, immersion silver, OSP, HASL + gold finger, immersion gold + gold finger, nickel palladium gold, OSP + gold finger , immersion gold + OSPHASL with lead / lead-free, immersion gold, immersion tin, immersion silver, OSP, HASL + gold finger, immersion gold + gold finger, nickel palladium gold, OSP + gold finger, immersion gold + OSP
FPCFPCHASL with lead / lead-free, immersion gold, OSP