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:
Sep. 14, 2004
Filed:
Jun. 12, 2002
Taiji Ema, Kawasaki, JP;
Tohru Anezaki, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A semiconductor device includes a semiconductor substrate; an insulating laminate formed over the semiconductor substrate, and including a lower part and a higher part formed over the lower part; a first conductor formed in the higher part of the insulating laminate, an insulator, having an etching characteristic different from the lower part and the higher part of the insulating laminate, formed between the lower part of the insulating laminate and the first conductor, a first contact hole formed through the higher part of the insulating laminate, penetrating inside peripheral edges of the first conductor, reaching the insulator; and a second conductor filled in the first contact hole and electrically connected to the first conductor at its side wall exposed in the first contact hole.