Accession Number : ADD009460

Title :   Broadband Slow Wave Structure Attenuator.

Descriptive Note : Patent Application,


Personal Author(s) : McDowell,Hunter L

Report Date : 10 May 1982

Pagination or Media Count : 8

Abstract : A broadband attenuator section in a meander line slow wave structure is disclosed for attenuating signals reflected between the output and input of the slow wave structure. The attenuator section comprises a multi-element ceramic support structure intermediate the meander line conductor pattern and the substrate wherein the support elements are comprised of a beryllium oxide-silicon carbide ceramic composition with a taper in the percentage of silicon carbide being provided in the transition region from a loss free section of the slow wave structure to a lossy attenuator section. The taper in percentage involves the use of ceramic support elements arranged in a sequence of 1%, 2% and 5% silicon carbide composition prior to the main attenuator section which is comprised of 10% silicon carbide - 90% beryllium oxide support elements. (Author)

Descriptors :   *Patent applications, *Attenuators, Slow wave circuits, Electrical conductivity, Beryllium oxides, Silicon carbides, Ceramic materials, Broadband, Structural analysis, Microwave equipment, Frequency, Electromagnetic wave propagation

Subject Categories : Electrical and Electronic Equipment
      Electricity and Magnetism

Distribution Statement : APPROVED FOR PUBLIC RELEASE