The InnovationQ application will be updated on Sunday, May 31st from 10am-noon ET. You may experience brief service interruptions during that time.
Browse Prior Art Database

Air Film Wedge Standard For Film Thickness Probe

IP.com Disclosure Number: IPCOM000048045D
Original Publication Date: 1981-Dec-01
Included in the Prior Art Database: 2005-Feb-08

Publishing Venue


Related People

DeWalt, DH Fallenstein, MJ [+details]


A calibration/monitoring calibration program requires an "artifact standard" such as an air film wedge standard. A glass and ferrite assembly, held against the bottom surface of a transparent disk within a film thickness probe (FTP) fly height tester or any other fly height tester, would make a suitable "artifact standard."