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:
Jul. 20, 2010
Filed:
May. 13, 2009
Tsuyoshi Kida, Kanagawa, JP;
Takamitsu Noda, Kanagawa, JP;
Tsuyoshi Kida, Kanagawa, JP;
Takamitsu Noda, Kanagawa, JP;
NEC Electronics Corporation, Kanagawa, JP;
Abstract
A semiconductor waferhas first scribe linesin two mutually perpendicular directions which have a first width and divide the semiconductor waferinto a plurality of areas; second scribe lineswhich have a second width smaller than the first width and divide the area into a plurality of semiconductor chip areas; an electrode padformed along the edge of the semiconductor chip area; and a metal-containing accessory patterndisposed in the scribe lines. In the second scribe lines, the accessory patternis absent in at least the outermost surface in an area adjacent to the edge having the electrode padin the chip area