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:
Apr. 01, 2025
Filed:
Nov. 23, 2022
Globalfoundries U.s. Inc., Malta, NY (US);
Zhuojie Wu, Port Chester, NY (US);
GlobalFoundries U.S. Inc., Malta, NY (US);
Abstract
An integrated circuit (IC) structure includes a substrate; and a plurality of moisture sensors along an edge of an optical input/output (I/O) opening in the substrate. The plurality of moisture sensors are positioned between a primary guard ring and a moisture barrier. The moisture sensors may detect moisture in a sequential manner to monitor moisture ingress and predict when remedial action is necessary. The teachings of the disclosure may be applicable to any IC structure including an I/O opening, and in particular, IC structures that have elongated I/O openings such as photonic integrated structures (PICs) with optical I/O openings for photonics components, e.g., an optical fiber or an external laser. The moisture sensors provide an early and definitive alarm for moisture, with no false alarms. The system accurately predicts time to failure and allows adjustment based on real time field data input.