Circuit World: Volume 37 Issue 4

Subject:

Table of contents

Measurement of simulated active device and RF trace heating in high frequency circuit laminates

Christopher J. Caisse, John Coonrod, Allen F. Horn

The purpose of this paper is to quantify the effects of thermal conductivity (TC), dielectric constant and dissipation factor (DF) of circuit laminates on the temperature rise…

The elimination of whiskers from electroplated tin

George Milad

The purpose of this paper is to present new developments in electrolytic tin plating designed to eliminate the formation of whiskers over time, when tin is plated on copper.

Boric acid in PCBs: compliance with EU REACH regulations

Michael J. Mullins, David K. Luttrull, Hans Schumacher

Boric acid has been used for many years as a catalyst inhibitor and crosslinking agent to increase the glass transition temperature of epoxy resins for printed circuit boards…

237

Laser microvia formation in polyimide thin films for metallization applications

Brent Roeger

The purpose of this paper is to demonstrate laser microvia drilling of polyimide thin films from multiple sources before metallic sputtering. This process flow reduces Flexible…

457
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