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. 10, 2009
Filed:
Dec. 05, 2006
Applicant:
Minoru Higuchi, Kanagawa, JP;
Inventor:
Minoru Higuchi, Kanagawa, JP;
Assignee:
NEC Electronics Corporation, Kawasaki, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is a room for improvement in conventional semiconductor devices in terms of reducing the chip area. A semiconductor devicecomprises an evaluation transistor(first characteristic evaluation device), an evaluation transistor (second characteristic evaluation device), measurement pads(first measurement pads) and measurement pads(second measurement pads). The measurement padand the measurement padare provided in different layers in the interconnect layer.