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, 2014
Filed:
Mar. 15, 2013
Nxp B.v., Eindhoven, NL;
Hartmut Buenning, Norderstedt, DE;
Sascha Moeller, Hamburg, DE;
Guido Albermann, Hamburg, DE;
Thomas Rohleder, Hamburg, DE;
Michael Zernack, Pinneberg, DE;
NXP B.V., Eindhoven, NL;
Abstract
Consistent with an example embodiment, there is a method for assembling a wafer level chip scale processed (WLCSP) device from a wafer substrate, the method comprises grinding the back-side of the wafer substrate to a prescribed thickness. A plurality of trenches is sawed along a plurality of device die boundaries on a back-side surface of the wafer, the trenches having a bevel profile. The plurality of trenches is etched until the bevel profile of the plurality of trenches is rounded.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile