Device with surface cooling and method of making
An electrical or mechanical device which tends to heat up during operation, which bears on its surface a roughening coating comprised of thermally conductive material which aids in cooling the device.
1 . An electrical or mechanical device which tends to heat up during operation, which bears on its surface a roughening coating comprised of thermally conductive material which aids in cooling the device.
2 . The device of claim 1 wherein the roughening coating is comprised of a plurality of beads of said thermally conductive material.
3 . The device of claim 2 wherein the roughening coating is adhered to the surface with an epoxy.
4 . The device of claim 1 wherein the roughening coating is comprised of a nanomaterial.
5 . The device of claim 4 wherein the roughening coating is adhered to the surface with an epoxy.
6 . An electrical or mechanical device which tends to heat up during operation, which bears on its surface a roughening coating comprised of a plurality of beads of thermally conductive material, which aids in cooling the device.
7 . The device of claim 6 wherein the roughening coating is adhered to the surface with an epoxy.
8 . The device of claim 6 wherein the roughening coating is adhered to the surface by van der Waals attraction.
9 . The device of claim 6 wherein the beads are approximately spherical in shape.
10 . The device of claim 6 wherein the device is an electrical device having cooling fins and wherein the roughening coating is disposed on a surface of the cooling fins.
11 . An electrical or mechanical device which tends to heat up during operation, which bears on its surface a roughening coating comprised of a thermally conductive nanomaterial, which aids in cooling the device.
12 . The device of claim 1 1 wherein the nanomaterial is in the form of a powder.
13 . The device of claim 12 wherein the nanomaterial is adhered to the surface with an adhesive.
14 . The device of claim 12 wherein the nanomaterial is adhered to the surface by van der Waals attraction.
15 . The device of claim 11 wherein the device is an electrical device having cooling fins and wherein the roughening coating is disposed on a surface of the cooling fins.
16 . A device comprising:
electrical or mechanical means which tends to heat up during operation; and
surface roughening means disposed on a surface of the electrical or mechanical means for increasing the rate of heat flow from said surface.
17 . The device of claim 16 wherein the surface roughening means comprises a plurality of beads of thermally conductive material.
18 . The device of claim 16 wherein the surface roughening means comprises a thermally conductive nanomaterial.
19 . The device of claim 16 wherein the electrical or mechanical means comprises an electrical semiconductor integrated circuit unit.
20 . The device of claim 19 wherein the integrated circuit unit has cooling fins and wherein the surface roughening means is coated on a surface of the cooling fins.
21 . A method of making a device having improved cooling comprising the steps of:
providing an electrical or mechanical device;
providing a surface roughening medium of thermally conductive material; and
coating the surface roughening medium on a surface of the electrical or mechanical device.
22 . The method of claim 21 wherein the surface roughening medium comprises a plurality of beads of thermally conductive material.
23 . The method of claim 22 wherein the coating is performed with an epoxy.
24 . The method of claim 21 wherein the surface roughening medium comprises a thermally conductive nanomaterial.
25 . The method of claim 24 wherein the coating is performed with an adhesive.
26 . The method of claim 21 , wherein the coating is performed by adhering the thermally conductive material to the surface by van der Waals attraction.