ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,471,409, issued on Nov. 11, was assigned to Plessey Semiconductors Ltd. (Plymouth, Great Britain).
"Monolithic electronic device" was invented by John Whiteman (Plymouth, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming and testing a plurality of monolithic electronic devices is provided. As part of the method a monolithic device array comprising Group III-nitrides is formed on a sacrificial substrate. A test substrate comprising electrical contacts is aligned with electrical contacts of the monolithic device array and bonded to the monolithic device array via bonding dielectric layers. Power is supplied from the test sub...