Shenzhen Bicheng Electronics Technology Co., Ltd
| Payment Terms | T/T |
| Supply Ability | 50000 pieces per month |
| Delivery Time | 10 working days |
| Packaging Details | Vacuum |
| Number of Layers | 4 |
| Glass Epoxy | RO4350B Tg280℃, er<3.48, Rogers Corp; FR-4 IT158 |
| Final foil | 1 Oz |
| Final height of PCB | 1.3 mm ±10% |
| Surface Finish | Immersion gold |
| Solder Mask Color | Green |
| Colour of Component Legend | White |
| Test | 100% Electrical Test prior shipment |
| Brand Name | Bicheng Technologies Limited |
| Model Number | BIC-78-V1.05 |
| Certification | UL |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 50000 pieces per month |
| Delivery Time | 10 working days | Packaging Details | Vacuum |
| Number of Layers | 4 | Glass Epoxy | RO4350B Tg280℃, er<3.48, Rogers Corp; FR-4 IT158 |
| Final foil | 1 Oz | Final height of PCB | 1.3 mm ±10% |
| Surface Finish | Immersion gold | Solder Mask Color | Green |
| Colour of Component Legend | White | Test | 100% Electrical Test prior shipment |
| Brand Name | Bicheng Technologies Limited | Model Number | BIC-78-V1.05 |
| Certification | UL | Place of Origin | China |
Hybrid PCB | Mixed Material PCB Built On 10 mil RO4350B + FR-4 With Depth Controlled Drill
(PCB’s are custom-made products, the picture and parameters shown are just for reference)
Hi Everyone,
Today, we're talking about 4-layer high frequency PCB made on 10mil RO4350B pressed with FR-4.
The board is designed as a 4-layer structure, because 4-layer is relatively simple and cost controllable, this is helpful to open up a new market.
Let's take a look at first build-up,
The first layer to the second layer is 10mil RO4350B core material, the core has fixed thickness which is very important to the electrical length of RF lines on the circuit board, and the other layers are FR-4 materials, which are bonded by semi-cured sheets. Inner layer is 0.5 ounces and the outer layer is 1 ounce.
Following picture is the cross section.
Plated through holes connect each layer. Pads and vias are with immersion gold.
The second board has a special “hole” in the board. See the build-up first.
Layer 1 and layer 2 is the 10mil core. The depth-control drill is dented on FR-4 side. The whole height of this board is only 0.7mm thick.
The applications of 10mil RO4350B hybrid PCB are wide, such as preamplifier, radar sensors, digital transmitter and splitter module; GPS antenna, communications relays, analogue transmitter and 4G antennas; RF transmitter, WiFi amplifier, RFID and attenuator etc.
The advantages of 10mil RO4350B hybrid PCBs:
1) RO4350B exhibits a stable dielectric constant over a broad frequency range. This makes it an ideal substrate for broadband applications;
2) Signal integrity performance improved over the stack-ups with all FR4 board;
3) Cost reduced over stack-ups with all low loss material;
4) Benefit from our strong capabilities: meeting your PCB needs from prototype to mass production and IATF 16949 (2016), ISO14001 (2015), ISO9001 (2015) and UL certified factory guarantee your quality.
Thank you for your reading. You’re welcome to contact us for our RF PCB enquiries.
Appendix: Our PCB Capability 2022
| Parameter | Value |
| Layer Counts | 1-32 |
| Substrate Material | RO4350B, RO4003C, RO4730G3, RO4360G2, RO4533, RO4534, RO4535, RO3003, RO3006, RO3010, RO3035, RO3203, RO3210; RT/Duriod 5880; RT/Duriod 5870, RT/Duriod 6002, RT/Duroid 6010, RT/duroid 6035HTC; TMM3, TMM4, TMM6, TMM10, TMM10i, TMM13i, Kappa 438; TLF-35; RF-35TC, RF-60A, RF-60TC, RF-35A2, RF-45, RF-10, TRF-45; TLX-0, TLX-6, TLX-7, TLX-8; TLX-9, TLY-3, TLY-5; PTFE F4B (DK2.2 DK2.65 DK2.85 DK2.94, DK3.0, DK3.2, DK3.38, DK3.5, DK4.0, DK4.4, DK6.15, DK10.2); AD450, AD600, AD1000, TC350; Nelco N4000, N9350, N9240; FR-4 ( High Tg S1000-2M, TU-872 SLK, TU-768, IT-180A etc.), FR-4 High CTI>600V; Polyimide, PET; Metal Core etc. |
| Maximum Size | Flying test: 900*600mm, Fixture test 460*380mm, No test 1100*600mm |
| Board Outline Tolerance | ±0.0059" (0.15mm) |
| PCB Thickness | 0.0157" - 0.3937" (0.40mm--10.00mm) |
| Thickness Tolerance(T≥0.8mm) | ±8% |
| Thickness Tolerance(t＜0.8mm) | ±10% |
| Insulation Layer Thickness | 0.00295" - 0.1969" (0.075mm--5.00mm) |
| Minimum Track | 0.003" (0.075mm) |
| Minimum Space | 0.003" (0.075mm) |
| Outer Copper Thickness | 35µm--420µm (1oz-12oz) |
| Inner Copper Thickness | 17µm--350µm (0.5oz - 10oz) |
| Drill Hole(Mechanical) | 0.0059" - 0.25" (0.15mm--6.35mm) |
| Finished Hole(Mechanical) | 0.0039"-0.248" (0.10mm--6.30mm) |
| DiameterTolerance(Mechanical) | 0.00295" (0.075mm) |
| Registration (Mechanical) | 0.00197" (0.05mm) |
| Aspect Ratio | 12:1 |
| Solder Mask Type | LPI |
| Min Soldermask Bridge | 0.00315" (0.08mm) |
| Min Soldermask Clearance | 0.00197" (0.05mm) |
| Plug via Diameter | 0.0098" - 0.0236" (0.25mm--0.60mm) |
| Impedance Control Tolerance | ±10% |
| Surface Finish | HASL,HASL LF,ENIG,Immersion Tin,Immersion Silver, OSP, Gold Finger, Pure gold plated etc. |
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 is an established high frequency PCB supplier and exporter in Shenzhen China, severing cellular base station antenna, satellite, high frequency passive components, microstrip line and band line circuit, millimeter wave equipm... Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen China, severing cellular base station antenna, satellite, high frequency passive components, microstrip line and band line circuit, millimeter wave equipm...
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