Patent · US Active

Corrosion preventive heatsink for network device

US11234342B2 · kind B2 · utility

0Cited by

8References

20Claims

0Family size

Assignee

Cisco Technology, Inc. · US

Inventors

Mehmet Onder Cap · Sunnyvale, US
Manigandan Boopalan · Bengaluru, IN
Joel Richard Goergen · Soulsbyville, US
Sandeep Mehdiratta · New Delhi, IN
Manjunatha Reddy Shivashankara · Kanchinakote, IN
Damaruganath Pinjala · Kanchinakote, IN

Key dates

Filing date	Apr 7, 2020
Grant date	Jan 25, 2022
Priority date	—
Expiry date	Apr 7, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH05K2203/1147
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

In one embodiment, an apparatus includes a chassis base, a printed circuit board mounted on the chassis base, a heatsink positioned over the printed circuit board to prevent corrosion of components on the printed circuit board, wherein the heatsink comprises a plurality of upward extending fins and a plurality of downward extending walls, a seal interposed between an edge of the downward extending walls and the chassis base, and a cover extending over the heatsink.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.