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:
May. 02, 2006
Filed:
Jan. 08, 2004
William L. Brodsky, Binghamton, NY (US);
Sanjeev B. Sathe, Binghamton, NY (US);
George H. Thiel, Endicott, NY (US);
William L. Brodsky, Binghamton, NY (US);
Sanjeev B. Sathe, Binghamton, NY (US);
George H. Thiel, Endicott, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A semiconductor chip package having a non-planar chip therein, to reduce the stress concentrations between the chip and cover plate. In particular, a chip and method of forming a chip having a non-planar or 'domed' back surface, wherein the thickness of the non-planar chip is greatest substantially near the center of the chip. Further, a method of rounding the edges or corners of the chip to reduce crack propagation originating at the edges of the chip.