Bicheng Enterprise Limited >> RO4350b (0.254mm) 18 Layer PCB Circuit Board Chip on Board

RO4350b (0.254mm) 18 Layer PCB Circuit Board Chip on Board

RO4350b (0.254mm) 18 Layer PCB Circuit Board Chip on Board
Price: US $ 1.03/Piece
Min Order: 1/Piece
Pay Type: T/T,Western Union
Prod Model: BIC-664-V6.64
Final Foil External: 1.0oz
Final Height Of PCB: 1.0mm
Surface Finish: Immersion Gold
Solder Mask Color: Green
Colour Of Component Legend: White
Mininum Trace (Mil): 5.0 Mil
Minimum Gap(Mil): 4.9 Mil
RoHS Required: Yes
Warpage: 0.21%
Test: 100% Electrical Test Prior Shipment
Type: Rigid Circuit Board
Flame Retardant Properties: V0
Dielectric: RO4350b
Material: Hydrocarbon/Woven Glass
Insulation Materials: Glass Reinforced Hydrocarbon

Product Description

Company Profile
Bicheng Enterprise Limited offers single sided / double sided and multilayer circuit boards.
We have been serving PCB electronics industry in Shenzhen, China since 2003.


Our advantages
* Your satisfied source to buy printed circuit boards (PCBs)
* All PCBs are 100% tested (flying probe or fixture test)
* Free panelizing
* Special price for partners
* On time delivery
* No minimum order quantity
* Worldwide shipping, door to door service

Our products
* PCB Prototypes and PCB Production
* Rigid PCB Fabrication
* Flexible PCB (FPC)
* PCB up to 32 layers
* RoHS complaint, Lead free PCBs
* Material: FR-4, High Tg (Tg170, Tg180), RO4350B, RO4003C, Polyimide
* Controlled Impedance
* Surface finish: HASL, HASL lead free, Immersion tin, Immersion silver, Immersion gold, gold
finger

* Blind vias
* 3 days to 4 weeks lead time



High Frequency PCB


Flexible Printed Circuit


Metal Core PCB


PCB Board


Technology Information
Design For Manufacture
Serial NO.ProcedureItemManufacturing capability
Large 
volume  
(S<100 m²)
Middle 
volume 
(S<10 m²)
Prototype
(S<1m²)
84Special toleranceBoard thickness 
of flying probe 
test
0.6-4.0mm
85Panel size of 
flying probe 
test
Size900X600mm,Small size can be 
compensated through manufacturing 
procedure
86Panel size of 
fixture test 
method
Size460X380mm,  Small size can be 
compensated through manufacturing 
procedure
87Board thickness 
of fixture test 
method
0.4-6.0mm
88Tolerance of 
press-fit hole
±2mil
89Tolerance of 
NPTH
±2mil
90Tolerance of 
PCB thickness
1.0mm≥PCB thickness, Tolerance ±0.1mm;
1.0mm≤PCB thickness, Tolerance±10%
91Tolerance of 
depth of 
countersunk hole
±0.2mm
92Depth tolerance 
of blind slot
±0.2mm
93Maximum 
shipment size
Size1200X600mm(Double side, no test 
required
)
94Size1000X600mm( Multilayer, no test 
required
)
95Minimum 
shipment size
10X10mm
96PCB thickness 
of HASL
0.8-3.0mm(Hole less 0.5mm should be use 
via-plug or mask-tent )
97HASL PCB SizeSize≤600X460mm
98PCB thickness0.15-7.0mm
99Depth of V 
groove
0.8-3.2mm
100Distance of non-
continuous v-
groove
≥7mm
101Max. drill diameterSize6.5mm (Counterbore or router will be 
used for holes more than 6.5mm, Min.
tolerance ±0.1mm 
)
102Max. countersink 
diameter
Size6.5mm Countersink can be used 
counterbore drill or router
)
103Distance of 
Bevel
Size≥11mmSize≥5mmSize≥5mm
104Thickness of 
peelable mask
0.2-1.5mm ±0.15mm

Founded in 2003, Bicheng Enterprise Limited is a professional PCB export enterprise. We have established a good relationship of cooperation with well-known enterprises in the same industry.

The factories have been ISO 9001-2008, ISO 14001-2004 and ISO/TS16949-2009 quality management system certified. Over the past 14 years, we have provided professional circuit board manufacturing solutions for more than 5000 companies worldwide.

Different plant scale to suit for your requirements

16000 square meter factory building

30000 square meter month capability

8000 types of PCB per month

ISO9001, ISO14001, TS16949, UL Certified

We have our own advantages to help you saving cost and time spent on PCB, booster your new products go to market quickly.

A) Various kinds of PCB products

Double sided PCB

Multilayer PCB up to 32 layers

FR-4 PCB (Tg130, Tg170)

High frequency PCB (RO4350B, RO4003C)

Aluminum PCB (1W/MK, 2W/MK, 3W/MK)

Flexible PCB

HDI PCB Board

B) Multiple PCB technology to meet the market demands

Blind via PCB, Via in pad PCB, Fine pitch BGA PCB

Impedance controlled PCB

Heavy copper PCB

Hybrid material PCB

C) Many discount policies for new customers

SMT stencil foil, free of charge

Prototype shipping cost, free of charge

Prototype test, free of charge

PCB panelization, free of charge

D) High quality PCB services

Engineering design prevents problems from occurring in pre-production.

Meet your PCB needs from prototype to mass volume production.

Eligible products rate of first production: >95%

Delivery on time: >98%, door to door shipment service

Customer complaint rate: <1%

Choose BichengPCB means you choose hassle free.

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