This is a classic article from New Scientist’s archive, republished as part of our 50th anniversary celebrations
A MAJOR development in the electronic industry since the end of the war has been the method of wiring electronic circuits by what is loosely called printing. Although the printed circuit was a British invention, it was the Americans – as has happened before – who first made use of the method.
The raw material is a plastic sheet covered with a thin layer of copper foil. On this sheet a facsimile of the wiring is printed with an acid-resisting ink. The whole sheet can…
