Power heatsink for a circuit board
AssigneeCelestica International Inc.
InventorsGarey G. Roden, Peter G. Heseltine
Life of this patent
Estimating the term…
Abstract
A Printed Circuit Board (PCB) has a cut-out that permits a monolithic copper or aluminum heatsink to be mounted flush with the surface of the PCB. Electrical devices can be mounted to the monolithic heat sink. The heat sink is bent to extend out of the plane of the PCB. The heatsink can have parts mounted to connect with either face of the PCB, and can extend from either side of the PCB. The heatsink is stepped to present one surface flush with the PCB and another surface that lies along the face of the PCB.
Claims43
A heatsink for cooling an electronic device on a printed circuit board (PCB), said heatsink comprising
- a first attachment interface attachable to a mounting surface of the electronic device, said first attachment interface located on a heatsink portion formed to fit with an accommodation in the printed circuit board;
- a second attachment interface attachable to the printed circuit board;
- and
- a member extending away from said first interface.
A heatsink for cooling an electronic device on a printed circuit board (PCB), said heatsink comprising:
- a first attachment interfere attachable to a mounting surface of the electronic device, said first attachment interface located on a heatsink portion formed to fit with an accommodation in the printed circuit board;
- and
- a second attachment interface attachable to the printed circuit board,
- wherein said first and second attachment interfaces are located on opposite sides of said heatsink.
A printed circuit board assembly comprising:
- a printed circuit board (PCB) having a first and second surfaces and an opening in said PCB, said opening spanning from said first surface to said second surface;
- a heatsink comprising a first portion being attachable to said first surface, a leg extending through said opening and a casing seat portion extending from said leg, said casing seat portion being attachable to said second surface;
- and
- an electrical device having a casing mounted to said casing seat portion of said heatsink.
A printed circuit board assembly comprising:
- a printed circuit board. (PCB) having a surface, said surface having an accommodation to fit with a component;
- a heatsink comprising
- a first attachment interface attachable to a mounting surface of the electronic device, said first attachment interface located on a heatsink portion formed to seat within said accommodation of the PCB;
- a second attachment interface attachable to the printed circuit board;
- and
- a member extending away from said first interface;
- and
- an electrical device having a casing and at least one electrical contact, said electrical contact being mounted to said surface, said casing being mounted to said heatsink.
Dependencies are inferred from the claim text.