US Patent Issued to Envisics on June 23 for "Waveguide manufacture" (British Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,576, issued on June 23, was assigned to Envisics Ltd. (Milton Keynes, Great Britain).

"Waveguide manufacture" was invented by Edward Boardman (Milton Keynes, Great Britain), Timothy Smeeton (Milton Keynes, Great Britain) and Ruisheng Lin (Milton Keynes, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided of manufacturing a waveguide comprising an input port, an output port, a transparent medium having a first refractive index (n1), a first pair of opposing surfaces and a second pair of opposing surfaces. The method comprises polishing at least one surface of the second pair of opposing surfaces to achieve a separation t...