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. 17, 2009
Filed:
Oct. 10, 2006
Yasuhide Shimizu, Nagasaki, JP;
Shigemitsu Murayama, Nagasaki, JP;
Kohei Kudo, Nagasaki, JP;
Hiroaki Yatsuda, Nagasaki, JP;
Yasuhide Shimizu, Nagasaki, JP;
Shigemitsu Murayama, Nagasaki, JP;
Kohei Kudo, Nagasaki, JP;
Hiroaki Yatsuda, Nagasaki, JP;
Sony Corporation, , JP;
Abstract
A semiconductor device includes a semiconductor substrate and a ladder resistor formed on the semiconductor substrate. The ladder resistor includes a plurality of elongated resistor portions arranged in parallel with each other, a plurality of connection portions that connect the resistor portions at predetermined intervals in a longitudinal direction of the resistor portions, and a plurality of voltage extraction portions provided in order to extract voltages at the individual connection portions.