A document presents a comprehensive overview of the technology of tapered-slot antennas and arrays of such antennas. The fundamental operation of tapered-slot antennas is not yet fully understood, and, for lack of established design rules, the designs of these antennas have been based primarily on empirical results. The document combines results of previous research and development with more-recent design information and measurement data to provide a better understanding of the fundamental operation of tapered-slot antennas and arrays. The better understanding provided by the document is intended to contribute to the establishment of design guidelines.

This work was done by Richard Q. Lee of Lewis Research Centerand Rainee N. Simons of NYMA, Inc. To obtain a copy of the document, "Tapered Slot Antenna," access the Technical Support Package (TSP) free on-line at www.techbriefs.com under the Electronic Components and Circuits category,or circle no. 198 on the TSP Order Card in this issue to receive a copy by mail ($5 charge).

Inquiries concerning rights for the commercial use of this invention should be addressed to

NASA Lewis Research Center
Commercial Technology Office
Attn: Tech Brief Patent Status
Mail Stop 7 - 3
21000 Brookpark Road
Cleveland
Ohio 44135.

Refer to LEW-16570.