Circuit World: Volume 11 Issue 3

Subject:

Table of contents

Controlling the Quality of Soldering of PTH Solder Joints

C. Lea, F.H. Howie

The efficiency of assembly of electronic components into PCBs relies on a large number of materials and processes being carefully specified and controlled. Improved production…

Ageing, Solder Thickness and Solder Alloy Effects on Circuit Board Solderability

J.K. Hagge, G.J. Davis

The paper presents the results of extensive studies on circuit board solderability comparing wetting balance and IPC test methods through performance in vapour phase and wave…

Reflections on My Life as an Inventor: Part 3 Patents and Judgment

P. Eisler

This is the final part of an abridged version of the previously unpublished writings of Paul Eisler, universally acknowledged as the inventor of the printed circuit board and many…

Filmwork Generation

J.A. Scarlett

Quality of the film set used for PCB manufacture and care in handling are of vital importance. Reference is made to the need for proper nomenclature and the stability, size and…

Challenges of the Future: Alternative Methods and Materials for Printed Circuit Boards

A. Angstenberger

Today's and, to a greater extent, tomorrow's technologies in the Printed Circuit Industry need — besides very stringent challenges on quality — a very careful, precise and cost…

Future Trends of Electronics in Asia

H. Nakahara

This paper discusses the future trends of electronic interconnections to produce electronic equipment being manufactured in the Far East. Reviewed are details of simplistic…

Accelerated Life Testing of Small‐Geometry Printed Circuit Boards

R.R. Sutherland, I.D.E. Videlo

The accelerated life test methods used by British Telecom to demonstrate the probability of 20 year life of electronic components in non‐hermetic packages have now been applied to…

The Road to Uniform Plasma Etching of Printed Circuit Boards

R.D. Rust, R.J. Rhodes, A.A. Parker

Early in AT & T Bell Laboratories' involvement with plasma smear removal for multilayer boards, the generic problem of uniform etching over large size panels became obvious…

Functional Cycles and Surface Mounting Attachment Reliability

W. Engelmaier

One concern that has slowed the progress of surface mounted technology, in particular leadless chip carriers, has been the question of the reliability of the surface mount…

Mechanical Modelling for Printed Circuit Boards

W.T. Chen, L.C. Lee, C.K. Lim, D.P. Seraphim

The fundamental considerations and mechanical integrity of printed circuit boards are reviewed, and mechanical analysis and modelling techniques provided. Fine line element…

Circuit Technology '85

Since its advent in 1983, Circuit Technology has gone from strength to strength, as indicated by visitor attendance which increased from 3000 in 1983 to over 6000 in 1984…

Scottish Electronics Production Show

From 14–16 May 1985, the Scottish Electronics Production Show will open its doors to Scotland's electronics manufacturers. Design and production engineers, together with…

OMI™ International

About half an hour's drive from Heathrow airport and a similar distance from central London, yet located in a quiet suburban area of Surrey between relatively unspoilt countryside…

International Institute News

Coming events ‐ Seminar on Surface Mounted Components—23–25 April 1985. In response to the enormous amount of interest shown in earlier events on the theme of surface mounting…

Industry News

Schloetter Co. Ltd of Pershore have announced the appointment of Mr George Adams, aged 37, as their new Technical Service/Sales representative in Scotland.

New Products

A new laser plotter has been launched on the international market by DISC, Digitized Information Systems Corporation. The LP 70X laser plotter is eminently suitable for the design…

Cover of Circuit World

ISSN:

0305-6120

e-ISSN:

1758-602X

ISSN-L:

0305-6120

Online date, start – end:

1974

Copyright Holder:

Emerald Publishing Limited

Open Access:

hybrid

Editor:

  • Associate Professor Pooya Davari