Patent ID: 9671174
Date: 2017-06-06
CPC Classifications: F28D

Claim:
1. A thermal ground plane comprising: a. a casing characterized by a first casing portion and a second casing portion, said first casing portion united with said second case portion via an ultrasonic weldment so as to delimit a hermetically sealed casing chamber, a surface of said first casing portion comprising a casing condenser section, a surface of said second casing portion comprising a casing evaporator section, opposing casing portions are selectively united via an ultrasonic weldment in furtherance of forming tensioning elements within said casing chamber, said casing further comprises a metal coating, said metal coating overlaying ultrasonic weldments; b. a phase-change media, said phase-change media residing within said casing chamber; c. a wicking structure to aid phase-change of said phase change media, said wicking structure residing within said casing chamber adjacent said second easing portion of said casing; and, d. a spacing element to aid phase-change of said phase of said phase change media, said spacing element residing within said casing chamber intermediate said wicking structure and said first casing portion.