Absorbing the advantages of similar products both domestically and internationally, fully considering the current situation and development trends of the laboratory, we have identified the phased characteristics and development trends of the original printed circuit board assembly products, determined the basic principles of manufacturing costs, and developed real products.

The original "printed circuit board assembly" series of products are widely used in printed circuit board manufacturing, switching power supplies, connectors, magnetic components, optoelectronic devices, control modules, magnetic components, micro motors, batteries, intelligent products, etc.
The content includes: providing 1-16 layers of multi-layer printed circuit boards, HDI boards, blind buried hole boards, high-frequency boards, hybrid laminates, metal substrates, buried barrier boards, metal substrates, IC carrier boards, special material boards, consumer electronics, special, aerospace electronics, etc.
The flying needle test mainly targets some high-precision chip pins, and after the test is completed, whether the flatness of the test board meets the requirements.
Pattern: The circuit serves as a tool for conducting between components, and a large copper surface will be designed as a grounding and power layer in the design. The circuit and diagram are made simultaneously.
Dielectric layer: Used to maintain the insulation between circuits and conductors, commonly known as the substrate.
Large area: Insulate polychlorinated biphenyls with mesh conductors and undergo certain hot pressing treatment to form the required thin and uneven conductor.
Insulation: Insulate the insulation material and wires, playing the role of conducting the circuit, and effectively store the conductors, playing the role of conducting the circuit.

Insulation: Insulating insulation materials and wires is a practical engineering practice to improve electronic functionality and stability, commonly used to convey the principles and ideas of static insulation. In terms of technology and environmental protection, improvement and enhancement of insulation structure should be carried out according to actual needs.
Insulation performance refers to the insulation structure of wires or cables, as well as the technical performance of electrical technology applications. The insulation performance requirement is high, but it is an economical explosion-proof measure for human safety. Safety protection refers to the ability of insulation structures such as cables, pipes, sleeves, lightning arresters, etc. to withstand, withstand, and perform voltage tests without generating electric sparks or burning tests.
The insulation part of the wiring terminal is transmitted using adhesive paper or other insulation materials. Therefore, it is also necessary to have good mechanical properties, electrical strength, and waterproof and moisture-proof properties. The insulation part of the wiring terminal should be made of soft plastics such as phenolic epoxy resin or polyacrylonitrile, and its voltage resistance must meet or exceed the above requirements. The insulation part of the wiring terminal should comply with the following regulations.
Insert between the wiring terminals of the two-phase variable frequency power supply, and leave a certain creepage distance between the terminals.
There is a certain space left between the terminal and the conductive material shell, so that when air flows, the terminal can come into contact with the conductive material, avoiding the force of increased contact resistance, thereby improving the reliability of the wiring and improving operational efficiency.