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:
Apr. 28, 2009
Filed:
Jun. 09, 2005
David T. Beatson, Kennett Square, PA (US);
Deepak Sood, New Britain, PA (US);
Norman Lucas, Collegeville, PA (US);
Zhijie Wang, Chalfont, PA (US);
David T. Beatson, Kennett Square, PA (US);
Deepak Sood, New Britain, PA (US);
Norman Lucas, Collegeville, PA (US);
Zhijie Wang, Chalfont, PA (US);
Kulicke and Soffa Industries, Inc., Fort Washington, PA (US);
Abstract
A system for measuring the size of free air balls for use with a wire bonder having a wire bonding tool and an Electric Flame Off (EFO) device is provided. The system includes an imager disposed above a first image plane, a prism disposed below the imager, and at least one lens positioned between the first image plane and the prism in a first optical path. The at least one lens is positioned between the prism and the imager in a second optical path, where the second optical path is different from the first optical path. An image of the free air ball disposed at a lower portion of the wire bonding tool is provided to the imager via the prism and the at least one lens.