HDI High Step PCB for Computer

Parameters
Layers:    4
 
Thicknes:    2±0.2mm
 
Min. Hole Size:    0.3mm
 
Width/Space:    0.152mm/0.175mm
 
Surface Treatment:    ENIG
 
Crafts
PTFE Hybrid with FR4
 
Step Slot
 
Avoiding Solder Mask Peeling off Techonology
 
 
Applications
Power Amplifier of Communication Base Stations

HDI High Step PCB for Computer

Items	Speci.	Remark
Max panel size	32" x 32"(800mm x 800mm)
Min trace width/ space (inner layer)	4mil/4mil(0.1mm/0.1mm)
Min PAD (inner layer)	5 mil(0.13mm)	hole ring width
Min thickness(inner layer)	4 mil(0.1mm)	without copper
Inner copper thickness	0.5~4 oz
Outer copper thickness	0.5~6 oz
Finished board thickness	0.4-3.2 mm
Board thickness tolerance control(±0.10 mm)	±0.1 mm	1~4 L
Finished board thicknes(±10%)	±10%	≥6 L
Inner layer treatment	Brown oxidation
Layer count Capability	1-24 LAYER
Alignment between ML	±2mil
Min drilling	0.15 mm
Min finished hole	0.1 mm
Hole precision	±2 mil(±50 um)
Tolerance for Slot	±3 mil(±75 um)
Tolerance for PTH	±3 mil(±75um)
Tolerance for NPTH	±2mil(±50um)
Max Aspect Ratio for PTH	8:1
Hole wall copper thickness	15-50um
Alignment of outer layers	4mil/4mil
Min trace width/space for outer layer	4mil/4mil
Tolerance of Etching	+/-10%
Thickness of solder mask(on trace)	0.4-1.2mil(10-30um)
Thickness of solder mask(at trace corner)	≥0.2mil(5um)
Thickness of solder mask(on base material)	Finished thickness+1.2mil
Hardness of solder mask	6H
Alignment of solder mask film	±2mil(+/-50um)
Min width of solder mask bridge	4mil(100um)
Max hole with solder plug	0.5mm
Surface finish	HAL (Lead or Lead free), immersion Gold, Immersion Nickel, Electric Gold finger, Electric Gold, OSP,
Max Nickel thickness for Gold finger	280u"(7um)
Max gold thickness for Gold finger	30u"(0.75um)
Nickel thickness in Immersion Gold	120u---240u"(3um----6um)
Gold thickness in Immersion Gold	1u"---5u"(0.025um----0.125um)
Impedance control and its tolerance	50±10%, 75±10%,100±10% 120±10%
Trace Anti-stripped strength	≥61B/in(≥107g/mm)
Bow and twist	0.75%

Main Equipment

Our Service

HDI High Step PCB for Computer

"Meet what customer need" is our service principle and "Quick response, Professional Service
& Strive for the best" is our service guideline.
Our sales and customer service team is always ready to answer your questions-provide quota
tion within 4 hours after receiving quotation information, track and report the status of product
whenever, on-time shipping etc.

Packaging and Shipping

Packaging Details: inner Anti - static bag, vacuum packing Outer-corrugated export carton

Payment:
You can pay for the order via:T/T,Western Union,Paypal& MoneyGram

Shipping
We have strong cooperation with DHL,TNT,UPS,FEDEX,EMS,China Air post.
You also can choose your own shipping forwarder.

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