In recent years, our factory is still working hard to open up overseas markets and provide many high-quality, high-demand Rigid-flex PCB Board Prototyping, High Frequency Circuit Board, Doubled-sides Rigid-flex PCB for domestic foreign customers. Products are the humanistic combination of material entities and ideas. We will eagerly fulfill all the costumers' needs as we have done and offer the high-quality, high-rate service. Sincerely welcome the present and prospective customers to cooperate with us. We enhance the competitiveness of our company more effectively with our exquisite expertise and services.

Product Detail

● Layer:      4

● Material:   FR-4

● Finished Board Thickness:  1.0mm

● Finished Copper Thickness:  1oz

● Min Line Width/Space:  ≥3mil(0.075mm)

● Min Hole:  ≥4mil(0.1mm)

● Surface Finish:  ENIG

● lder Mask Color:  Green

●Legend Color:  Yellow

How Beton Working Out the Manufacturing Issues in FR4 PCB?

-Hole Preparation

Removing debris carefully & adjusting drill machine parameters: before plating through with copper, Beton pays high attention to all holes on an fr4 pcb treated to remove debris, surface irregularities, and epoxy smear, the clean holes ensure the plating successfully adheres to the hole walls. also, early in the process, drill machine parameters are adjusted accurately.

- Surface Preparation

Deburring carefully: our experienced tech workers will be aware ahead of time that the only way to avoid a bad outcome is to anticipate the need for special handling and to take the appropriate steps to be sure that the process is done carefully and correctly.

-Thermal Expansion Rates

customed to dealing with the various materials, Beton will be able to analyze the combination to be sure that it is appropriate. then keeping the long-term reliability of the cte (coefficient of thermal expansion), with the lower cte, the less likely the plated through holes are to fail from repeated flexing of the copper which forms the internal layer interconnections.

-Scaling

Beton control the circuitry is scaled-up by known percentages in anticipation of this loss so that the layers will return to their as-designed dimensions after the lamination cycle is complete. also, using the laminate manufacturer’s baseline scaling recommendations in combination with in-house statistical process control data, to dial-in scale factors that will be consistent over time within that particular manufacturing environment.

-Machining 

When the time comes to build your pcb, Beton be sure that you choose has the right equipment and experience to produce it correctly on the first try.

Packaging & Delivery

Beton is not only trying to give customers a good product, but also pay attention to offering a complete and safe package. Also, we prepare some personalized services for all the orders.

-Common packaging:

PCB:  Sealed bag, Anti-static bags, Suitable carton.

PCBA:  Anti-static foam bags, Anti-static bags, Suitable carton.

Customized Packaging: The carton outside will be printed the name of the customer address, mark, the customer needs to specify the destination and other information.

FR means “flame-retardant,” FR-4 (or FR4) is a NEMA grade designation for glass-reinforced epoxy laminate material, a composite material composed of woven fiberglass cloth with an epoxy resin binder that makes it an ideal substrate for electronic components on a printed circuit board.

What’s the MultiLayer PCB

Multi-Layer PCB refer to printed circuit board has more than two copper layers, such as 4L, 6L, 8L, 10L, 12L, etc. As technology improving, people can put more and more copper layers on the same board. Currently, we can produce 20L-32L FR4 PCB.

By this structure, engineer can put trace on different layers for different purpose, such as layers for power, for signal transfering, for EMI shielding, for components assembly, and so on. In order to avoid too many layers, Buried Via or Blind via will be designed in multi-layer PCB. For board more than 8 layers, high Tg FR4 material will be popular than normal Tg FR4.

More layers it is, more complex & difficult the manufacturing will be, and more expensive the cost will be.

The advantages to use MultiLayer PCB

1. Suitable for complex design
Complex devices with a large number of components and circuits benefit from the use of multilayer PCBs. Devices with multiple uses and advanced features require this complexity. Many multi-layer PCB boards also have functions such as impedance control and electromagnetic interference shielding, which further improve the quality of PCB boards and equipment.

2. High power
Due to the high circuit density, the circuit board is also more powerful. This means that they provide high operating capacity and speed, making them particularly suitable for advanced equipment.

3. Highly durable
As the number of layers increases, thicker boards are more durable. Therefore, it can withstand more severe conditions.

4. Small size and light-weighted
Small size and light weight are additional features of multilayer boards. This makes them ideal for device miniaturization.

5. Single connection point
In terms of design simplicity and weight, the fact that multilayer pcb board work with a single connection point is an additional advantage.

Advantages of FR4 PCB

FR-4 material is so popular because of its many wondrous qualities that can benefit enig pcb printed circuit boards. In addition to being affordable and easy to work with, it is an electrical insulator with very high dielectric strength. Plus, it's durable, moisture-resistant, temperature-resistant and lightweight.

FR-4 is a widely relevant material, popular mostly for its low cost and relative mechanical and electrical stability. While this material features extensive benefits and is available in a variety of thicknesses and sizes.

We believe that our service will let you in the production of high quality PCB Circuit Board Fr4 PCB Printed Circuit Board Motherboard Blue Solder Mask 4 Layer Multilayer PCB Board PCB Factory in China with Gold Finger Chamfer at the same time in front of customers to establish a good service image. We have always insisted on taking the real industry as the foundation of enterprise development and constantly expanding the industrial field. We regard the construction of corporate culture as an important task of the company, closely integrating the actual work, and organizing the implementation in a comprehensive and systematic manner.