Electrical apparatus having tin whisker sensing and prevention
US11619665B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2020 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | May 11, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/10689
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electrical apparatus that includes: an electronic substrate having a plurality of pads for connecting to an electronic component placed on the electronic substrate; a shield placed on a surface of the electronic substrate, the shield having a plurality of openings with the plurality of openings aligned over the plurality of pads and at least a portion of each of the plurality of openings being conductive; connection means to connect the conductive portions of each of the plurality of openings to a fault detect and error handling circuit; and the fault detect and error handling circuit to detect a short circuit between at least one of the conductive portions and the pad aligned with the opening containing the at least one of the conductive portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.