US 11,785,744 B2
Reinforced graphite heat-spreader for a housing surface of an electronic device
Ihab A. Ali, Cupertino, CA (US); and Duen Hsing Hsieh, Taipei (TW)
Assigned to Google LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Apr. 25, 2022, as Appl. No. 17/728,351.
Application 17/728,351 is a continuation of application No. 16/943,929, filed on Jul. 30, 2020, granted, now 11,317,538.
Prior Publication US 2022/0248562 A1, Aug. 4, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/2039 (2013.01) 20 Claims
OG exemplary drawing
 
1. An electronic apparatus comprising:
a housing having a non-planar surface region; and
a heat-spreader that includes a layer of a first polymer material and a matrix of protuberances joining the non-planar surface region of the housing to the layer of the first polymer material, wherein:
the heat-spreader is laminated to the non-planar surface region of the housing such that the non-planar surface region contacts the matrix of protuberances; and
the heat-spreader absorbs heat and transfers the heat to the non-planar surface region of the housing via contact of the matrix of protuberances with the non-planar surface region through conduction heat transfer.