4 Layer Solderable PCB Board HASL/OSP/ENIG Treatment Customized services

FR4 solderable 4-layer board PCB

Product Description:

Multilayer printed circuit boards (PCB) are a common type of circuit board in modern electronic devices. They consist of multiple single-sided or double-sided circuit boards stacked together with insulating materials in between, forming a single unit. Each layer of circuits is composed of different circuit layers, and these layers are connected together through vias or interconnecting lines. Compared with single-sided and double-sided PCBs, multi-layer PCBs can achieve more circuit wiring in a smaller space and are suitable for more complex and function-intensive circuit designs.

Advantages of Multilayer PCB:

• High Density
• Improved Signal Integrity
• Better Electromagnetic Compatibility (EMC)
• Adapt to high-frequency applications
• Better thermal management
• Complexity and Cost

Applications:

• Telecommunications

• Computers

• Automotive electronics

• Medical devices

• Consumer electronics

• Aerospace

• Industrial control

Manufacturing process:

• Design and layout: During the design phase, engineers use PCB design software to lay out and route multilayer circuit boards, determining the functions of each's circuit and the interconnection method between layers.
• Lamination: During the manufacturing process, multiple circuit layers are pressed together through a lamination process, with each layer separated by an insulating material. lamination process is typically carried out under high temperature and high pressure conditions.
• Drilling and electroplating: Through-hole connections between different layers of the circuit are formed by drilling technology, and then electroplating is carried out ensure the conductivity of the through-holes.
• Etching: On each layer of the circuit, use photolithography and etching techniques to form the circuit pattern, removing excess copper foil
• Assembly and welding: After the components are installed, they can be soldered and connected using surface-mount technology (SMT) or traditional through-hole technologyTHT).

Dongguan Xingqiang Circuit Board Co., Ltd. was established in 1995 and is a professional circuit boardfactory that manufactures single-sided and double-sided PCBs, multi-layer PCBs, and Rigid Flex PCBs.

The company has two production bases in Dongguan andJiangxi, covering an area of 205000 square meters with a comprehensive monthly production capacity of 200000 square meters. The company's products are widely used in computer peripherals, communication, power supply, medical, automotive electronics, household appliances and other fields.

Our company advocate integrity, win-win and pioneering business philosophy, and put into practice the work style of "pragmatism, hard work and responsibility" to create a good corporate environment. Based on a new management model, advanced technology and equipment and good product quality, We always adhere to the corporate spirit of customer first and people-oriented.