US Patent Issued to BAE Systems Information and Electronic Systems Integration on May 13 for "Method of producing large EMI shielded GaAs infrared windows" (New Hampshire, Massachusetts Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,542, issued on May 13, was assigned to BAE Systems Information and Electronic Systems Integration Inc. (Nashua, N.H.).

"Method of producing large EMI shielded GaAs infrared windows" was invented by Peter G. Schunemann (Hollis, N.H.) and Kevin T. Zawilski (Arlington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "GaAs IR window slabs having largest dimensions that are greater than 8 inches, and preferably greater than 12 inches, are grown using the Horizontal Gradient Freeze (HGF) method. Heat extraction is simplified by using a shallow horizontal boat that is only slightly deeper than the desired window thickness, thereby enabling growth of la...