Circuit World: Volume 10 Issue 3

Subject:

Table of contents

The Meniscograph as a Quality Control Tool—A Case Study in Solderability Testing

J.T. Bolton

With the ever increasing requirement for improved mass soldering defect levels, more and more emphasis is being placed on process control, one of the major variables being…

Printed Circuits—Origins and Development: Part 2

M.E. Pole‐Baker

Multilayer boards development. The American Tinkertoy and Micromodule programmes had shown that layers of etched circuits could be built up to provide a complete unit, and high…

Surface Mounting Assembly—A Practical Approach

P.F. Edwards, R. Stone, G.A. Willard

A general introduction is given to surface mounted devices, processes and machinery, followed by Mullard Electronic Assemblies Division's experience and a description of practical…

Computerised Information Management for Printed Circuit Board Production

M.J. Davé

After thoroughly analysing the needs of the PCB industry through close collaboration with several PCB manufacturing companies and with an understanding of ongoing activities of…

Low Temperature Soldering

R. Strauss, S. Smernos

Soldering of electronic components on printed boards generally takes place at temperatures of between 240 and 250°C. During soldering, the components and printed boards are…

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Tape Automated Bonding and its Impact on the PWB

D.J. Small

This paper briefly reviews the impact that tape automated bonding systems are having in the semiconductor industry and describes a recent development of a bumped testable TAB…

Evaluation of the Determination of Soldering Flux Resistance Using Rectangular and Circular Test Cells

J. Der, P. Gwynn

The increasing use of critical solid state components working on very small operating currents and the tendency towards high density packaging of these components on printed…

Commercial focus: Successful Surface Preparation of PCBs

D. Smithson

Fibral materials consist of a matrix of nylon fibres through which a resin and abrasive slurry is sprayed. The slurry coats the fibres and, after drying and curing, the resin…

ICT News

The project competition which was organised by the ICT for young people in the industry has now been judged.

Industry news

BASF United Kingdom Ken Peace has joined the Graphic Arts Division of BASF United Kingdom Limited as product sales manager for the newly introduced Nylotron range of film and…

New products

By introducing their PC 401‐M Solder Mask, Chemline of Carson City, Nevada, have introduced a superior, UL‐approved product that combines excellent screening characteristics with…

Cover of Circuit World

ISSN:

0305-6120

Online date, start – end:

1974

Copyright Holder:

Emerald Publishing Limited

Open Access:

hybrid

Editor:

  • Associate Professor Pooya Davari