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:
Mar. 16, 2010
Filed:
Sep. 11, 2007
Michael Z. Su, Round Rock, TX (US);
Jaime Bravo, Austin, TX (US);
Lei Fu, Austin, TX (US);
Jun Zhai, San Jose, CA (US);
Michael Z. Su, Round Rock, TX (US);
Jaime Bravo, Austin, TX (US);
Lei Fu, Austin, TX (US);
Jun Zhai, San Jose, CA (US);
GLOBALFOUNDRIES Inc., Grand Cayman, KY;
Abstract
Various semiconductor chip crack stops and methods of making the same are disclosed. In one aspect, a method of manufacturing is provided that includes providing a semiconductor substrate that has a first corner defined by a first edge and a second edge. A crack stop is formed in the semiconductor substrate. The crack stop includes a first projection extending to the first edge and a second projection extending to the second edge to fence off a portion of the semiconductor substrate that includes the first corner.