Circuit World: Volume 4 Issue 3


Table of contents

The Distribution of Invention in Electronics

Once again shortly after the publication of the final set of UK Patents for 1977 on December 28th last year Patintel were able to summarise the numbers of patents published in…

A Review of Accelerated Ageing (Environmental Testing) of Printed Boards with Respect to Solderability

G.C. Wilson

An electronic assembly may consist of a printed circuit and various types of electrical components. Soldering to make the electrical/mechanical connection is a critical process…

Products ♦ Processes ♦ Materials ♦ Equipment

Processes for PCB Manufacture and General Electronics Metal Finishing IMASA can offer a complete range of chemicals for surface treatment and electroplating processes for metal…

United Kingdom National Specifications and Standards for Printed Circuits

W. MacLeod Ross

BS 9760 and three sectional specifications for rigid printed circuit boards have now been published. The Institute's representative on BSI Technical Committee ECL/19 outlines the…

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  • Associate Professor Pooya Davari