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.

Date of Patent:
May. 27, 2003

Filed:

Aug. 06, 1999
Applicant:
Inventors:

Amit Bandyopadhyay, Pullman, WA (US);

Jonathan C. Christensen, Lakeport, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 ;
U.S. Cl.
CPC ...
G06K 9/00 ;
Abstract

A reverse engineering technique allows the creation of 3-D CAD files from a solid model. A solid model of a part to be reverse engineered is created from polymers having an index of refraction matching that of an immersion liquid. Over the immersion liquid is a masking liquid that is substantially opaque. The generally clear polymeric model of the part is moved through the immersion/masking layer interface while images of the cross section of the model are acquired at the interface layer. The images are then used to create digital solid models from a physical model or to compare an existing physical model with its digital model.


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Bandyopadhyay, Amit. (2003). Reverse engineering of polymeric solid models by refractive index matching (U.S. Patent No. 6571008). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6571008

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