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:
Jan. 06, 2026
Filed:
Oct. 20, 2023
Kyocera Corporation, Kyoto, JP;
KYOCERA Corporation, Kyoto, JP;
Abstract
An isolatorincludes a substrate, waveguide portions, an insulating layer, and a non-reciprocal member. The waveguide portionsextend along a main surface of the substrate, and are positioned side by side on the main surface. The insulating layercovers at least part of outer edges of the waveguide portions, and includes a recessoverlapping with a first waveguide portionwhen viewed in a normal direction of the main surface. The non-reciprocal memberoverlaps with at least part of the first waveguide portioninside the recesswhen viewed in the normal direction. In a cross-section perpendicular to an extension direction of the first waveguide portion, expressions (1) and (2) are satisfied: w1≤w3≤mfd1+mfd2−w2−2×x . . . (1), x≥(mfd2−w2)/2 . . . (2).