Circuit World: Volume 22 Issue 3

Subject:

Table of contents

Morphology and Stability of Electrochemically Generated Copper Layers: The Effect of Electron Transfer and Nucleation Kinetics

M. Wünsche, H. Meyer, R. Schumacher

This paper reports on a method for in‐situ observation of the morphology and stability of electrochemically generatedmetal layers. This information is obtained by comparing…

330

Design of a Low‐cost Wire Bond Tape Ball Grid Array Package

R.D. Schueller, A.P. Plepys

Tape ball grid array (TBGA) packages offer many of theadvantages of plastic BGAs, namely excellent durability, improved board space utilisation and ease ofsurface mount assembly…

241

High Speed Laser Ablation of Microbial Holes in Non‐woven Aramid Reinforced Printed Wiring Boards to Reduce Cost

M. Weinhold, D.J. Powell

Emerging ‘chip‐size’packages, and bare flip‐chips, require new substrate properties if high lead count chips are tobe reliably interconnected on printed wiring boards and…

321

The Contamination Audit ‐ A Vital Tool For Yield Improvement

S. Hamilton

With the increasing trends towards fineline circuitry,contamination has become a major cause of defects. This paper outlines the techniques used inconducting a Contamination Audit…

123

Mastertool: A New Dry Phototool in the Production of Printed Circuit Boards

J. Eickmans, L. Leenders, J. Lamotte, K. Dierksen, W. Jacobsen

Mastertool MT8 is a new dry phototool for the production of printed circuit boards, which represents a completely new technology. MT8 is not sensitive to daylight, is free of…

122

Using Polymer Thick Film for Cost‐effective EMC Protection on PCBs for Automotive Applications

M.A. Saltzberg, A.L. Neller, C.S. Harvey, T.E. Borninski, R.J. Gordon

Higher densities and concerns for human health are driving the need for better EMCprotection on PCBs in automotive applications. Simultaneously, there is a strong need to reduce…

202
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