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Multilayer circuit board factory: the manufacturer's plate making ability

Multilayer circuit board factory: the manufacturer's plate making ability

  • Categories:Industry News
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  • Time of issue:2020-09-08 16:27
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Multilayer circuit board factory: the manufacturer's plate making ability

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I don’t know if you have noticed that on the websites of most multilayer circuit board factories, we always see the "processing capacity" column, which seems to indicate the strength of the multilayer circuit board factories. Out of the curiosity of the melon eater, what factors determine the processing capacity of the multilayer circuit board factory?


      1. Number of layers and boards

      Attention should be paid to the maximum number of layers, surface treatment process, board thickness range, board thickness tolerance and board type. At the same time, appropriate design software should be used to ensure the quality of PCB multilayer circuit board factory production.

      Combining these aspects with each other, if the final display process of the circuit board is exquisite, it means that the multi-layer circuit board factory has a higher processing capacity and can guarantee the quality of the circuit board.


      2. Line graphics

      Line types include minimum line width and line spacing, minimum network line width and line spacing, minimum etched font width, minimum BGA and pads, internal and external copper thickness of the finished product, and the spacing and outline between traces. Only by understanding and familiarizing with these parameters can high-quality circuit graphics be obtained.


      3. Drilling and modeling

      The details that should be paid attention to when drilling are the same as the line type mentioned in the first point. In terms of shape, attention should be paid to the smallest grooving knife, the largest size and V-CUT to ensure the shape is complete and clean.


      4. Characters and craftsmanship

      In terms of characters, the minimum character width, height, line width, patch character frame distance, and solder mask spacing should be mastered; during processing, attention should be paid to peeling strength, flame retardancy, impedance type and special processes.


      5. Solder mask and puzzle

      There are many types of solder mask. The solder mask bridging should be familiar with the design spacing between pads. For PCB layout, you should pay attention to the gap problem, and be familiar with PCB half-hole board layout rules and various types of assembly and delivery.

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The evaluation system of the circuit board factory should follow the following principles

The evaluation system of the circuit board factory should follow the following principles

Establishing a good cooperative relationship with circuit board factories is conducive to cost reduction, response time reduction and the creation of new market value, etc. The core issue is how to choose the ideal circuit board factory. There are many factors involved in the evaluation of circuit board factories, and the evaluation index systems are diverse, both qualitative and quantitative, and the index weights are also different. Therefore, it is necessary to establish a universal and expandable evaluation index system for circuit board factories. , And the indicator system should follow the following principles:
The use of soft and hard circuit boards?

The use of soft and hard circuit boards?

In our daily life, circuit boards are mostly single-sided, double-sided, or multi-layer boards, rigid boards, metal-based circuit boards, aluminum, copper substrates, thermally conductive fiberboards, etc., do you know what a flexible and rigid circuit board is? Rigid-flex circuit board: refers to a special circuit board made by pressing a rigid circuit board (PCB) and a flexible circuit board (FPC). The main board materials used are rigid board FR4 and flexible board polyimide (PI). Rigid and flexible circuit boards combine the rigid characteristics of rigid circuit boards and the advantages of flexible circuit
Soft and hard circuit board production process

Soft and hard circuit board production process

The flexible and hard circuit board is the flexible circuit board and the rigid circuit board. After pressing and other processes, they are combined according to the relevant process requirements to form a circuit board with FPC characteristics and PCB characteristics. In the past, two hard boards were connected by using soft boards and connectors to connect each other. In order to improve the reliability of the connection between the rigid board and the flexible board, the flexible board is directly fabricated between two rigid boards in the printed circuit board (PCB) factory, which can avoid the subsequent connection process, whether it is a rigid board manufacturer or FPC manufacturers are now able to supply rigid-flex boards. Under the demand for light and thin end products, the

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