Shenzhen Bicheng Electronics Technology Co., Ltd
| Glass Epoxy | RO4350B, RO4450B mixed with FR-4 TG>135 |
| Final height of PCB | 0.8mm ±0.1 |
| Final foil internal | 0.5 oz |
| Test | 100% Electrical Test prior shipment |
| Solder Mask Color | N/A |
| Surface Finish | Immersion Gold (17.7%) 2µ" over 100µ" nickel |
| Payment Terms | T/T, Paypal |
| Supply Ability | 45000 pieces per month |
| Delivery Time | 7-8 working days |
| Packaging Details | Vacuum |
| Colour of Component Legend | N/A |
| Number of Layers | 4 |
| Final foil external | 1.5 oz |
| Brand Name | Bicheng Technologies Limited |
| Model Number | BIC-0064-V4.2 |
| Certification | UL |
| Place of Origin | China |
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Product Specification
| Glass Epoxy | RO4350B, RO4450B mixed with FR-4 TG>135 | Final height of PCB | 0.8mm ±0.1 |
| Final foil internal | 0.5 oz | Test | 100% Electrical Test prior shipment |
| Solder Mask Color | N/A | Surface Finish | Immersion Gold (17.7%) 2µ" over 100µ" nickel |
| Payment Terms | T/T, Paypal | Supply Ability | 45000 pieces per month |
| Delivery Time | 7-8 working days | Packaging Details | Vacuum |
| Colour of Component Legend | N/A | Number of Layers | 4 |
| Final foil external | 1.5 oz | Brand Name | Bicheng Technologies Limited |
| Model Number | BIC-0064-V4.2 | Certification | UL |
| Place of Origin | China |
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 thickness
| 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(-192℃-260℃);
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 Tg280℃, 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. |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2003
Total Annual:
10 million-18 million
Employee Number:
350~450
Ecer Certification：
Site Member
Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd. has established itself as a reliable high-frequency PCB supplier and exporter based in Shenzhen, China. For over 24 years, we have served industries worldwide, including cellular base station antennas, satellite communi... Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd. has established itself as a reliable high-frequency PCB supplier and exporter based in Shenzhen, China. For over 24 years, we have served industries worldwide, including cellular base station antennas, satellite communi...
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