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PRODUCTION ENGINEERING MEASURE. MICROELEMENT INDUCTORS.
Formal engineering rept.
RAYTHEON CO WALTHAM MASS
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This document describes measures to provide an inductor capability for the full range of micromodule equipment requirements. This objective was realized by repackaging existing miniature inductive devices and designing new devices using available state-of-the-art materials and techniques. Selected designs were facilitated, and test programs were developed to confirm these designs. A total of eleven subtasks were conducted during Task 30 with participation by seven inductor suppliers. Accomplishments included the establishment of a broad industry manufacturing capability for inductors such as audio reactors and pulse transformers, adjustable tuned filter reactors, low, medium and high frequency transformers and trimmer inductors. Of special interest was the development by RCA of an inductor package which provided mechanical protection for the inductor coil by mounting the coil in a deep substrate cavity and preencapsulating it in place. The package permitted the assembly of the microelement inductor into micromodules using standard dip soldering techniques.
APPROVED FOR PUBLIC RELEASE