The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 1997
Filed:
Jun. 28, 1996
Applicant:
Inventors:
Lewis S Goldmann, Bedford, NY (US);
Emanuele F Lopergolo, Marlboro, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
73105 ;
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.