US 6,981,408 B1
Thin-film adhesion testing method and apparatus
Sameer I. Madanshetty, 6923 Redbud Dr., Manhattan, Kans. 68503 (US)
Filed on Mar. 19, 2004, as Appl. No. 10/804,126.
Claims priority of provisional application 60/455577, filed on Mar. 19, 2003.
Int. Cl. G01N 17/00 (2006.01)
U.S. Cl. 73—150A 3 Claims
OG exemplary drawing
 
1. A method of testing adherence of a thin film on a substrate, said method comprising:
producing insonification pressure using microcavitation,
subjecting the thin film to the insonification pressure,
plotting erosion time of said thin film versus insonification pressure,
determining a maximum instantaneous erosion pressure based on said plotting.