Patent 7498077 was granted and assigned to TOUCHSTONE RESEARCH LABORATORY LTD (INC) on March, 2009 by the United States Patent and Trademark Office.
A lightweight, high strength structure is described where a core material has a first and second metal matrix composite layer on surfaces of the core material. A sandwich type structure may be formed. The core material may be a solid material, a foam, a honeycomb structure, or may be a channeled material. The metal matrix composite layers may include fiber reinforced metal matrix composites.