US 12,453,050 B1
Heat pipe including an integrated antenna
Michael Nikkhoo, Saratoga, CA (US); Vivek Sahu, San Diego, CA (US); and Brian Toleno, Cupertino, CA (US)
Assigned to META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed by Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed on Nov. 29, 2022, as Appl. No. 18/071,387.
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20336 (2013.01) [H05K 7/20309 (2013.01); H05K 7/20318 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A wearable device comprising at least one heat pipe, wherein the at least one heat pipe comprises:
a first substrate comprising a plurality of raised features configured to form groups of channels separated by spacers on a surface of the first substrate;
an evaporator portion;
a condenser portion formed over the groups of channels;
a second substrate bonded to the first substrate;
a working fluid between the first substrate and the second substrate; and
an antenna disposed on an outer surface of one of the first substrate or the second substrate,
wherein the antenna comprises a linear antenna, and wherein at least one of the first substrate or the second substrate comprises polyimide.