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ElectroComponent Science and Technology
Volume 8, Issue 1-2, Pages 45-46

Functional Laser Trimming of Automotive Electronics

Teradyne K. K., Meguro-ku, Tokyo 153, Japan

Copyright © 1981 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper discusses the use of laser trim systems for the trimming of automotive hybrids. Being high volume parts these devices are best trimmed in two stages; first, a passive trim of the resistor substrate and secondly, a functional trim. The requirements for such a functional trim are such as to demand a fully integrated system.