US 12,264,994 B2
Leak detection in electronic devices
Brentley M. Wiles, San Jose, CA (US); Jeanny Wang, Oakland, CA (US); and David MacNeil, San Mateo, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Mar. 21, 2023, as Appl. No. 18/124,483.
Claims priority of provisional application 63/345,371, filed on May 24, 2022.
Prior Publication US 2023/0408363 A1, Dec. 21, 2023
Int. Cl. G01M 3/26 (2006.01)
CPC G01M 3/26 (2013.01) 20 Claims
OG exemplary drawing
 
1. A system comprising:
a pressure sensor configured to measure a pressure level in a port cavity;
a first port configured to allow equalization of air pressure between the port cavity and an outside environment;
a second port within the port cavity and configured to allow equalization of air pressure between the port cavity and an internal volume of a housing of the system; and
a tool configured to activate a heat-generating component of the system while the first port is obstructed for a predetermined time duration to enable detecting a seal efficacy of the housing.