US Patent Issued to Crystal Sonic on Oct. 27 for "Low fracture energy acoustic lift-off" (Arizona, California Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,536, issued on Oct. 27, was assigned to Crystal Sonic Inc. (Phoenix).

"Low fracture energy acoustic lift-off" was invented by Pablo Guimera Coll (Tempe, Ariz.), Lara Bathurst (Lafayette, Calif.), Mariana Bertoni (Phoenix) and Arno Merkle (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for acoustically separating an epitaxial layer or device from a growth substrate are described. In an embodiment, a particle layer is deposited on a first top surface of the growth substrate to provide partial coverage of the first top surface, an epitaxial layer is deposited over the particle layer and a remaining uncovered portion of the first top sur...