Industrial Control Semi-flex Pcb

Industrial control Semi-flex pcb is a type of printed circuit board widely used in automation equipment, mainly used to control the operation of various production equipment.

At present, the development trend of miniaturization, multifunctional, and high reliability of electronic products requires the packaging form of electronic products to develop towards three-dimensional assembly. The advantages of rigid-flex boards in the combination of rigid and flexible boards, which can provide the process function of rigid printed circuit boards and achieve local bending, are widely used in the three-dimensional assembly of electronic products.

Semi flexible printed circuit board is a kind of rigid-flex board. Based on rigid multi-layer technology, it is made of conventional flexible board materials that can be bent. It does not need to use expensive polyimide flexible materials, which can reduce material and processing costs, provide better heat resistance and more stable electrical performance. It is applied to electronic products that do not need multiple dynamic bending and only need to bend less times during installation, rework and maintenance.

The use of industrial control semi flexible printed circuit boards can greatly improve factory production efficiency and accuracy, reduce human intervention in the production process, reduce production costs, and improve the unity of product quality and specifications. Therefore, in modern factory automation manufacturing, industrial control semi flexible circuit boards have become an indispensable and important component.

Conventional method for making semi-flex boards

1. Using the pre opening method, the first press the rigid part of the conventional FR-4, the second press the FR-4 to the semi flexible position, and the pre opening of the PP (semi cured sheet) and FR-4 in the flexible exposed area.

2. Made using depth-controlled routing, pure FR-4 rigid pressing, controlled depth routing thin, the area that needs to be bent can be controlled at a certain thickness as a flexible bending area.

Technical difficulties of two processes

1. During secondary pressing production, using conventional bonding materials can cause significant adhesive overflow. There is no obvious pattern of adhesive overflow in the pressing process, stacking design, and layout method, which is difficult to control. There is a risk of fracturing in the pressing depression and half bending position. The post pressing process requires special control for the concavity and convexity of the semi flexible position and other positions, such as pattern and solder mask.

2. Direct depth-controlled milling production requires high equipment accuracy. The uneven thickness of the semi flexible position is closely related to the bending performance, and uneven thickness can easily break.

With the continuous development and progress of industrial automation technology, the application prospects of industrial control semi flexible printed circuit boards are also becoming increasingly broad. In the future, with the continuous application of new materials and technologies, the performance and reliability of this printed circuit board will continue to improve, providing stronger support for automated manufacturing and industrial development.

Industrial control Semi-flex pcb is a circuit board applied in the field of industrial control. The special environment in which industrial control products are used has high requirements for the quality of boards. Sihui Fuji has rich experience and technology in the production of semi flexible circuit boards. We have a dedicated semi flexible substrate project team, constantly improving materials and processes, and cooperating with high-precision equipment. We have the ability and confidence to do a good job in every semi flexible printed circuit board that customers entrust to us.

Picture:Industrial control Semi-flex pcb

The specification of sample board

Item:Industrial control Semi-flex pcb

Material:SB170G

Layer:8

Board thickness:1.676±0.1676mm

Surface treatment:ENIG

Feature: Semi-flex board

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