Invention Grant
- Patent Title: High-current PCB traces
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Application No.: US16704540Application Date: 2019-12-05
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Publication No.: US11564309B2Publication Date: 2023-01-24
- Inventor: Travis C. Mallett , Ben M. Armstrong , Forrest A. Rahrer
- Applicant: Schweitzer Engineering Laboratories, Inc.
- Applicant Address: US WA Pullman
- Assignee: Schweitzer Engineering Laboratories, Inc.
- Current Assignee: Schweitzer Engineering Laboratories, Inc.
- Current Assignee Address: US WA Pullman
- Agent Jared L. Cherry; Richard M. Edge
- Main IPC: H05K1/02
- IPC: H05K1/02 ; H05K3/42

Abstract:
The present disclosure relates to systems and methods using thermal vias to increase the current-carrying capacity of conductive traces on a multilayered printed circuit board (PCB). In various embodiments, parameters associated with vias may be selected to control various electrical and thermal properties of the conductive trace. Such parameters include the via diameter, a plating thickness, a number of vias, a placement of the vias, an amount of conductive material to be added or removed from the conductive trace, a change in the resistance of the conductive trace, a change in a fusing measurement of the conductive trace, and the like.
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