PCB development and source

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PCB development and source

development of

Printed boards have evolved from single layers to double-sided, multi-layer and flexible, and still maintain their respective trends. Due to the continuous development of high precision, high density and high reliability, the volume is reduced, the cost is reduced, and the performance is improved, so that the printed board still maintains a strong vitality in the development of electronic equipment in the future.

The domestic and international discussion on the future development trend of printed board manufacturing technology is basically the same, that is, high density, high precision, fine aperture, fine wire, fine pitch, high reliability, multi-layer, high-speed transmission, lightweight, The development of thin-type direction, in the production at the same time to improve productivity, reduce costs, reduce pollution, adapt to the development of multi-variety, small-volume production. The technical development level of printed circuits is generally represented by the line width, aperture, and plate thickness/aperture ratio on the printed board.

source

The creator of the printed circuit board was the Austrian Paul Eisler. In 1936, he first used a printed circuit board on the radio. In 1943, Americans used the technology for military radio. In 1948, the United States officially recognized the invention for commercial use. Since the mid-1950s, printed circuit boards have been widely used.

Prior to the advent of the PCB, the interconnection between the electronic components was done by direct connection of the wires. Today, wires are used only in laboratory applications; printed circuit boards are definitely in an absolute control position in the electronics industry.