PCB HEAT SINK FOR POWER ELECTRONICS
First Claim
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1. A power electronics cooling system comprising:
- a base member;
a PCB positioned adjacent to said base member;
said PCB having at least one opening;
an electronic component positioned on the PCB over said opening;
a raised boss on said base member positioned to mate with said opening and having a height to make contact with the electronic component.
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Abstract
A PCB with improved cooling. Openings are provided below electronic components on the PCB of an electronics device. Raised mounts or bosses on the device housing or base extend into the openings and make contact with the electronic components to act as heat sinks. A thermal pad member can be positioned between the bosses and the components to aid in the contact and heat conduction. Other embodiments include direct contact of the raised mounts or bosses with the PCB and through openings are not provided.
18 Citations
13 Claims
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1. A power electronics cooling system comprising:
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a base member; a PCB positioned adjacent to said base member; said PCB having at least one opening; an electronic component positioned on the PCB over said opening; a raised boss on said base member positioned to mate with said opening and having a height to make contact with the electronic component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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- 10. A power electronics cooling system comprising a base member, a PCB positioned on said base member, at least one electronic device positioned on the upper surface of the PCB, a raised boss member on said base member and being in contact with the lower surface of the PCB directly beneath said one electronic device.
Specification