8 Layers Blind Hole Pcb

8 layers blind hole pcb refers to a circuit board with 8 layers and blind hole technology.

With more and more functional requirements and stronger performance requirements for electronic products, the corresponding wiring density and hole density of printed boards are getting higher and higher, making them more and more difficult. In order to adapt to this trend, Sihui Fuji continues to purchase new equipment and introduce new processes to meet the development needs of electronic products. The research shows that one of the most effective ways to improve the wiring density of PCB is to reduce the number of through holes and increase the number of blind holes. Therefore, blind hole manufacturing technology has become a key technology for the development of printed circuit boards.

Its characteristic is that there are perforations in the middle of the board, but there are no perforations in the upper and lower layers. This design aims to enhance the ability of circuit boards to achieve tight integration, making electronic products smaller, lighter, and more efficient. The 8-layer blind hole board is widely used in the manufacturing and design of electronic products, such as mobile phones, computers and other consumer electronics, medical instruments, aerospace and other fields.

The manufacturing of this board requires high-precision technology and advanced equipment. The manufacturing process includes multiple steps such as imaging, copper coating, chemical water use, copper plating, drilling, electroplating, etc. Among them, drilling is an important step in achieving blind hole circuit boards. The drilling machine needs to accurately create holes according to the predetermined number of layers, depth, and position to drill holes.

In the non through hole technology, the application of blind holes and buried holes can greatly reduce the size and quality of blind buried hole circuit boards, reduce the number of layers, improve Electromagnetic compatibility, increase the characteristics of electronic products, reduce costs, and also make the design work easier and faster. In traditional PCB design and processing, through holes can bring many problems. Firstly, they occupy a large amount of effective space, and secondly, a large number of through holes are densely packed, which also poses a huge obstacle to the wiring of the inner layer of multi-layer PCBs. These through holes occupy the space required for wiring, and they densely pass through the surface of the power and ground layers. They also damage the impedance characteristics of the power and ground layers, causing the power and ground layers to fail. And the conventional mechanical drilling method will require 20 times more work than using non guided drilling technology.

This type of board not only has high accuracy and reliability, but also has good anti-interference, and electronic fluctuation prevention capabilities. Due to its ability to more effectively solve the cross-linking problem inside electronic circuit boards, making electronic products operate more stably, it has been welcomed by many manufacturers. For ordinary individual consumers, it is also a trustworthy electronic device that improves the quality and performance of the product, providing more efficient and safe protection for people's daily use.

Sihui Fuji has successfully mass-produced 8-layer blind hole circuit boards, and through continuous trial production and experience accumulation, has formed a unique technical advantage.

As a high-end technology product, the 8-layer blind hole pcb has greatly promoted the development of electronic technology and provided more efficient and reliable guarantees for electronic products. In the future, with the development of technology, such electronic products will inevitably have a wider range of applications.

Picture：8 layers blind hole pcb

The specification of sample board

Item: 8 layers blind hole pcb

Material:S1000-2M

Board thickness:1.6±0.16mm

Surface treatment：ENIG

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