Brief Introduction
RO4350B High Frequency Circuit Material is glass reinforced hydrocarbon/ceramic laminates
(Not PTFE) designed for performance sensitive, high volume commercial applications. Currently
double sided and multilayer RO4350B PCB's are available at Bicheng company. Double sided
RO4350B PCB with thickness 10mil (0.254mm), 20mil (0.508mm), 30mil (0.762mm) and 60mil
(1.524mm) are the bestsellers. We provide prototype runs, small batches and volume production
services.
Advantages
1) Excellent high frequency performance due to low dielectric tolerance and loss;
2) Excellent dimensional stability.
3) Low thermal coefficient of dielectric constant;
4) Low Z-Axis expansion;
5) Low in-plane expansion coefficient;
6) Stable electrical properties verus frequency;
Applications
1) Attenuator, Automatic gate induction;
2) LNB's for direct broadcast satellites;
3) Microstrip antenna, spread spectrum;
4) Microstrip and cellular base station antennas and power amplifiers;
5) RF identifications tags
6) Spread spectrum communications systems
7) Trunk amplifier, splitter module etc.
PCB Case: 10 Layer High Frequency PCB on RO4350B
Core and RO4450B PP
(PCB's are custom-made products, the picture and parameters shown are just for reference)
General description
This is a type of high layer count RF PCB built on RO4350B with RO4450B PP for the application
of broadbank wireless solutions. It's a 10 layer microwave PCB board at 2.0 mm thick. It's immersion
gold finish with solder mask and silkscreen from Taiyo. It's fabricated per IPC 6012 Class 2 using
supplied Gerber data. Each 10 boards are packed for shipment.
Features and benefits
Excellent dimensional stability.
Good high temperature and low temperature resistance.(-192ºC-260ºC)
Superior corrosion resistance.
Immersion gold has excellent surface planarity, particularly helpful for PCBs with BGA packages
or even CSP mounted components to reduce failure rate during assembly and soldering.
Engineering design prevents problems from occurring in pre production.
DDU Door to door shipment with competitive shipping cost,
No MOQ, low cost for prototypes and samples.
International approvals
Eligible products rate of first production: >95%
Application
RF transceiver, Communications relays, Low Noise Block, Splitter module
Parameter and data sheet
| PCB SIZE |
175 x 110mm=1PCS=1design |
| BOARD TYPE |
High Frequency PCB, Multilayer PCB |
| Number of Layers |
10 layers |
| Surface Mount Components |
YES |
| Through Hole Components |
NO |
| LAYER STACKUP |
TOP Layer: signal - 1/2oz foil + 25μm Cu |
| Core RO4350B -0.254mm |
| INT 1: mixed - 1/2oz foil |
| Prepreg RO4450B -0.202mm (2 x 0.101) |
| INT 2: mixed - 1/2oz foil |
| Core RO4350B -0.254mm |
| INT 3: mixed - 1/2oz foil |
| Prepreg RO4450B -0.202mm (2 x 0.101) |
| INT 4: mixed - 1/2oz foil |
| Core RO4350B -0.254mm |
| INT 5: mixed - 1/2oz foil |
| Prepreg RO4450B -0.202mm (2 x 0.101) |
| INT 6: mixed - 1/2oz foil |
| Core RO4350B -0.254mm |
| INT 7: mixed - 1/2oz foil |
| Prepreg RO4450B -0.202mm (2 x 0.101) |
| INT 8: mixed - 1/2oz foil |
| Core RO4350B -0.254mm |
| BOT Layer: signal - 1/2oz foil + 25μm Cu |
| TECHNOLOGY |
|
| Minimum Trace and Space: |
5.5mil/5mil |
| Minimum / Maximum Holes: |
0.3/2.0mm |
| Number of Different Holes: |
9 |
| Number of Drill Holes: |
7505 |
| Number of Milled Slots: |
0 |
| Number of Internal Cutouts: |
0 |
| Impedance Control |
NO |
| BOARD MATERIAL |
|
| Glass Epoxy: |
RO4350B core 0.254mm(10mil),
RO4450B PP 0.1mm(4mil) |
| Final foil external: |
1oz |
| Final foil internal: |
0.5oz |
| Final height of PCB: |
2.0mm ±10% |
| PLATING AND COATING |
|
| Surface Finish |
Electroless nickel over Immersion Gold (ENIG)( 0.05µm over 3µm nickel) |
| Solder Mask Apply To: |
Top and Bottom, 12micon Minimum. |
| Solder Mask Color: |
Green, PSR-2000GT600D, Taiyo supplied. |
| Solder Mask Type: |
LPSM |
| CONTOUR/CUTTING |
Routing |
| MARKING |
|
| Side of Component Legend |
TOP |
| Colour of Component Legend |
White, IJR-4000 MW300, Taiyo Supplied. |
| Manufacturer Name or Logo: |
Marked on the board in a conductor and
leged FREE AREA |
| VIA |
Plated Through Hole(PTH), via tented. BGA package |
| FLAMIBILITY RATING |
UL 94-V0 Approval MIN. |
| DIMENSION TOLERANCE |
|
| Outline dimension: |
0.0059" (0.15mm) |
| Board plating: |
0.0030" (0.076mm) |
| Drill tolerance: |
0.002" (0.05mm) |
| TEST |
100% Electrical Test prior shipment |
| TYPE OF ARTWORK TO BE SUPPLIED |
email file, Gerber RS-274-X, PCBDOC etc |
| SERVICE AREA |
Worldwide, Globally. |
About Us
Bicheng PCB, a unique printed circuit board supplier based in Shenzhen China serves worldwide
customers since it's born in 2003. At Bicheng, every batch of PCB goes through electrical test, AOI
inspection, high voltage test, Impedance control test, micro-section, solder-ability test, thermal stress
test, reliability test, insulation resistance test and ionic contamination test etc. Finally it is like a
beautiful gift to be delivered to your hands.
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
Variety of PCB technology to meet the market demands
HDI board
Heavy copper board
Hybrid material board
Blind via board
High frequency board
Metal core board
Immersion gold board
Multilayer board
Backplane board
Gold finger board
Comprehensive sales service presale, in sale and after sale.
Quick CADCAM checking and free PCB quotation
Free-of-charge PCB panelization
Prototype PCB capability
Volume Production capability
Quick turn-around samples
Free-of-charge PCB test
Solid carton packing
Variety of PCBs
Flying probe test
Audited Supplier 
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