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. 04, 2003
Filed:
Feb. 13, 2002
David T. Beatson, Kennett Square, PA (US);
Christian Hoffman, Willow Grove, PA (US);
James E. Eder, Doylestown, PA (US);
John Ditri, Huntingdon Valley, PA (US);
Kulicke & Soffa Investments, Inc., Wilmington, DE (US);
Abstract
A vision system and method for use with a bonding tool that takes into account variations due to temperature changes and other nonrandom systemic effects. The vision system includes a cornercube offset tool having a plurality of total internal reflection surfaces, the cornercube offset tool located below the vision plane of the optical system; and an optical detector to receive an indirect image of the bonding tool through the cornercube offset tool. The method comprises the steps of providing a cornercube offset tool having a plurality of total internal reflection surfaces below a vision plane of the bonding tool; and receiving an indirect image of the bonding tool through the cornercube offset tool.