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:
Aug. 05, 2025
Filed:
Jan. 22, 2021
Luxembourg Institute of Science and Technology (List), Esch-sur-Alzette, LU;
Emmanuel Defay, Esch-sur-Alzette, LU;
Stéphanie Girod, Esch-sur-Alzette, LU;
Sebastjan Glinsek, Esch-sur-Alzette, LU;
Aymen Mahjoub, Esch-sur-Alzette, LU;
Luxembourg Institute of Science & Technology (LIST), Luxembourg, LU;
Abstract
A piezoelectric device comprising a transparent substrate; a transparent barrier layer on the substrate; a transparent piezoelectric layer on the transparent barrier layer; a transparent layer of interdigitated electrodes on the transparent piezoelectric layer; wherein the piezoelectric device further comprises a transparent dielectric layer at least on the portion of piezoelectric layer that is between successive fingers of the transparent layer of interdigitated electrodes, the transparent dielectric layer having a refractive index lower than a refractive index of the transparent layer of interdigitated electrodes and a dielectric strength superior to 3 MV/m.