RO4350b PCB Solutions: From Speaker Amplifiers to Welding Machine Boards

• Customization: Available
• Type: Rigid Circuit Board
• Dielectric: CEM-4
• Model NO.: BIC-064-V1.0
• Material: Fiberglass Epoxy
• Flame Retardant Properties: V0
• Mechanical Rigid: Rigid
• Processing Technology: Electrolytic Foil
• Base Material: Aluminum
• Insulation Materials: Hydrocarbon Resin
• Model: PCB
• Brand: Taonic
• Tihickness: 8mil, 10mil, 12mil, 20mil, 32mil and 60mil
• Soldermask Color: Blcak, Blue, Yellow, Red, Green...
• Copper Weight: 0.5oz, 1oz, 2oz
• Transport Package: Packing
• Specification: ≤ 400mm X 500mm
• Trademark: Bicheng
• Origin: China
• HS Code: 8534009000
• Production Capacity: 10000PCS/Year
• Package Size: 50.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 2.000kg

Product Description

4 Layer High Frequency PCB On 6.6 Mil RO4350B and 10 Mil RO4350B for Radar System
(Printed circuit boards are custom-made products, the picture and parameters shown are just for reference)

Hi Everyone,
Multilayer high frequency PCBs are made from all high frequency material inclusive of prepreg adhesive. For example, a 4-layer RO4350B PCB is a compound of 2 cores of RO4350B substrates. As is known to all, there're 8 cores in RO4350B family, i.e. 4mil (0.101mm) to 60mil (1.524mm).

RO4350B:
4mil	0.101mm
6.6mil	0.168mm
10mil	0.254mm
13.3mil	0.338mm
16.6mil	0.422mm
20mil	0.508mm
30mil	0.762mm
60mil	1.524mm

So it's very interesting that stack-up of 4 layers can be done in many different ways.

Today we talked is a 4-layer RO4350B high frequency PCB built on 6.6mil and 10mil RO4350B substrate for the application of radar system. This RF board has a thickness of 0.82mm with a minimum 4mil track and 5mil gap. This is a pure high frequency multilayer PCB with RO4450B as dielectric prepreg. Other specifications are white silkscreen over green solder mask, immersion gold plated on pads. Entire board is supplied 1 up per panel. They're fabricated per IPC 6012 Class 2 using supplied Gerber
data. Each 50 panels are packed for shipment. Here's detail of stack-up:


Features and benefits
1) Excellent high frequency performance due to low dielectric tolerance and loss;
2) Good high temperature and low temperature resistance(-192ºC-260ºC);
3) Eligible products rate of first production: >95%  
4) Delivery on time: >98%  
5) Customer complaint rate: <1%




Applications
Modular oscilloscope, Vario-coupler, Tower-mounted booster, Power amplifier
Splitter, Acoustic detection sensors, RF Switches, Trunk amplifier

Parameter and data sheet

PCB SIZE	85 x 100mm=1PCS
BOARD TYPE	Multilayer PCB
Number of Layers	4 Layers
Surface Mount Components	YES
Through Hole Components	No
LAYER STACKUP	Copper ------- 35um(1 oz)+plate TOP layer
	Dielectric RO4350B 0.168mm (6.6 mil)
	Copper ------- 35um(1oz)
	Dielectric RO4350F 0.203mm (8 mil)
	Copper ------ 35um (1oz)
	Dielectric RO4450B 0.254mm ( 10 mil)
	Copper ------35um (1oz) + plate Bottom Layer
TECHNOLOGY
Minimum Trace and Space:	4 mil / 5 mil
Minimum / Maximum Holes:	0.25 mm / 2.0 mm
Number of Different Holes:	5
Number of Drill Holes:	175
Number of Milled Slots:	0
Number of Internal Cutouts:	3
Impedance Control:	no
Number of Gold finger:	0
BOARD MATERIAL
Glass Epoxy:	RO4350B Tg280ºC, er<3.48, Rogers Corp.
Final foil external:	1.5 oz
Final foil internal:	1 oz
Final height of PCB:	0.82 mm ±0.1mm
PLATING AND COATING
Surface Finish	Immersion gold
Solder Mask Apply To:	N/A
Solder Mask Color:	N/A
Solder Mask Type:	N/A
CONTOUR/CUTTING	Routing
MARKING
Side of Component Legend	N/A
Colour of Component Legend	N/A
Manufacturer Name or Logo:	N/A
VIA	Plated through hole(PTH), minimum size 0.25mm.
FLAMIBILITY RATING	UL 94-V0 Approval MIN.
DIMENSION TOLERANCE
Outline dimension:	0.0059"
Board plating:	0.0029"
Drill tolerance:	0.002"
TEST	100% Electrical Test prior shipment
TYPE OF ARTWORK TO BE SUPPLIED	email file, Gerber RS-274-X, PCBDOC etc
SERVICE AREA	Worldwide, Globally.