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The Position and Function of Printed Circuit Board in Electronic Equipment


Printed circuit board is one of the important electronic components in the electronics industry. Almost every electronic device, small to electronic watches, calculators. Large to the computer, communications, electronic equipment, military weapons systems, as long as there are integrated circuits and other electronic components, for their electrical interconnection between the use of printed circuit boards.

In the larger electronic product development process, the most basic success factor is the product design of the printed circuit board, document manufacturing.Printing board design manufacturing quality directly affects the quality of the entire product cost, and even Leading to the company success or failure.

Printed circuit board output value and the ratio of electronic equipment output, known as the PCB input coefficient. In the 1970s to 2-3%, to the nineties, a total has increased to 6-7%. This also shows the status of printed circuit boards in electronic equipment. In 1995 the world PCB output value reached 26.4 billion US dollars.

Printed circuit in electronic equipment has the following functions:
Provide integrated circuits and other electronic components fixed, the mechanical assembly support.
The realization of integrated circuits and other electronic components between the wiring and electrical connection or electrical insulation. To provide the required electrical characteristics, such as characteristic impedance.

Electronic equipment using printed circuit board due to the consistency of similar PCB, thus avoiding the error of manual wiring, and can automatically insert electronic components or mount, automatic soldering, automatic detection. To ensure the quality of electronic equipment, improve labor productivity, reduce costs, and ease of maintenance.

PCB from single-sided development to double-sided, multi-layer and flexible, and still maintain their development trend. As the continuous development of high-precision, high-density and high reliability, continuously reduce the volume, reduce costs and improve performance, making the future development of electronic equipment in the PCB, still maintain a strong vitality.

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