The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2023
Filed:
Apr. 14, 2021
Iqe Plc, Cardiff, GB;
Andrew Clark, Mountain View, CA (US);
Rodney Pelzel, Bethlehem, PA (US);
Richard Hammond, Newport, GB;
IQE plc, Cardiff, GB;
Abstract
A layered structure () for transmission of an acoustic wave, the layered structure () comprising: a substrate layer (); and a second layer () over the substrate layer (), wherein the second layer () comprises a plurality of discrete portions () adjacent to each other, each discrete portion () of the plurality of discrete portions () comprising a first subregion (A) and a second subregion (B). Also an epitaxial layer (), grown over the second layer (), for transmission of the acoustic wave in a major plane of the epitaxial layer (), wherein a periodicity (λ) of a wavelength of the acoustic wave to be transmitted through the epitaxial layer () is approximately equal to a sum of a width (d) of the first subregion (A) and a width (d) of the second subregion (B).