Circuit World: Volume 3 Issue 1


Table of contents

Gold Plating of Printed Circuit Boards and Wire: Plating Techniques for Ultrasonic Bonding

Leo Missel

In this paper, reproduced by permission of “Metal Finishing” (New Jersey), the author enumerates the required properties of electroplated gold coatings on printed circuit boards…

Circuit World Visits Formica: Formica expands its capacity for copper clad laminate manufacture

FORMICA'S INVOLVEMENT IN LAMINATE MANUFACTURE Formica Limited's involvement in the development, manufacture and sales of industrial laminates began in 1930. These insulating…

Standards for Copper‐Clad Laminates

W. MacLeod Ross

Specification by manufacturer's grade, restricts competition; company specifications proliferate test methods; both increase costs. BS.3888 was incompatible with foreign…

The Use and Control of Ammoniacal Etchants

R.E. Morris

In this paper the properties of printed circuit etchants are reviewed with reference to the development of control systems. Various types of control systems are described together…

Cost Effective Screen Printing

J.W. Davison

In this paper the types of screen printing inks available for curing by ultra‐violet light are described. A comparison is made with conventional thermally cured inks and the…

Cover of Circuit World



Online date, start – end:


Copyright Holder:

Emerald Publishing Limited

Open Access:



  • Associate Professor Pooya Davari