China annular ring pcb impedance factory for sale

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4 layers PCB with IPC CLASS3 acceptance standard

4 layers PCB with SHENGYI S1000-2

4 layers PCB with impedance control

4 layers PCB with ENIG finish

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Via In Pad (VIP) technology refers to the vias in SMD pad or BGA pad due to small space for layout, in order to avoid the solder paste flow into inner layer or the other side in assembly production, basically this type of via need to be plugged with resin and plate copper over to cap the via to make it invisible.

Via in pad technology is widely used in high density PCBs, especially for the PCBs that require a limited BGA space and are focused on heat transfer and high speed design. Although blind holes and buried holes help increasing density and save space on the circuit boards, through holes are still the best choice for thermal management and high speed design elements.

The advantages of Via In Pad technology

● Suitable for fine pitch BGAs
● Improved thermal dissipation
● Provides a flat, coplanar surface for component attachment
● Leading to higher density of PCBs and promoting space saving
● Overcomes high speed design issues and constraints.
● Meets closely packed placement requirements.

The Via In Pad technology is defined in IPC standard with IPC-4761 VII

A-TECH impedance annular ring pcb factory for sale-1

A-TECH manufactured lots of multilayer PCBs with Via In Pad designs Both in BGA Pads or in other SMD Pads, we’re able to plugged vias fully and then plated copper over to make the surface of pad as flat as other pads without dimples.

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In the design phase of A-TECH press fit pins pcb, many factors have been taken into considerations such as static and dynamic deformations of the structures, stability, accuracy, and anti-fatigue performance, etc. The product is movable, making it perfect for various events, expos, conferences, and promotions

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The manufacture of A-TECH press fit pins pcb is of professionalism. The multistage production process is adopted. Its design, production, assembly, and testing will be controlled by separate teams. Its edges can be handled with adhesion, sewing, or weld

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The materials used for A-TECH press fit pins pcb satisfy exacting requirements, including the ability to withstand the handling likely to be encountered in normal operation, the ability to withstand metal fatigue and the ability to be unaffected by any other processes or treatment. Its logo can be made with a reflective feature

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The design of A-TECH annular ring pcb involves sophisticated electric knowledge. Its circuit, including main circuit, pilot circuit, and signal circuit are designed with as less as possible connecting wires. The product is effective in boosting brand visibility

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A-TECH annular ring pcb meets national energy efficiency standards. It is developed using different energy-saving technologies, including suppression of surge technology, frequency conversion technology, and electromagnetic regulation technology. Its materials can be stretchy polyester, cotton, or others

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The product uses less energy. With a battery charger, the product is more energy efficient than the cost and energy of making new batteries. Processed under imported HD printing equipment, it ensures printing clarity and colorfastness

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