Measuring and testing – Surface and cutting edge testing – Roughness
Patent
1996-06-28
1997-11-25
Raevis, Robert
Measuring and testing
Surface and cutting edge testing
Roughness
G01B 728
Patent
active
056914679
ABSTRACT:
A method for mapping a surface adapted for receiving electrical components comprising the steps or providing a probe having a plurality of contacts, moving the probe toward the surface at a predetermined rate of speed, recording the time of all occurrences of contact between each of the probe contacts and the surface, determining the height of each portion of the surface contacted by one of the probe contacts, and correcting the height to account for non-planarity of the probe contacts.
REFERENCES:
patent: 4027935 (1977-06-01), Byrnes et al.
patent: 4414747 (1983-11-01), Fale, Jr. et al.
patent: 4918374 (1990-04-01), Stewart et al.
Goldmann Lewis S.
Lopergolo Emanuele F.
Ahsan Aziz M.
International Business Machines - Corporation
Peterson Peter W.
Raevis Robert
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