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. 20, 2012
Filed:
Jun. 30, 2011
Applicant:
Robert John Sykes, Essex, GB;
Inventor:
Robert John Sykes, Essex, GB;
Assignee:
Nordson Corporation, Westlake, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
Shear test apparatus for gold and solder balls of a semiconductor substrate comprises a support element () on which is provided a piezo-electric crystal () in the direct shear load path. The crystal () may have a shield (). The interface between shield and crystal, and crystal and support element may include an epoxy resin layer to distribute force and retain the components as a unit.