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:
Jun. 27, 2006
Filed:
Mar. 26, 2004
Masahiko Hasunuma, Yokohama, JP;
Akitsugu Hatazaki, Yokkaichi, JP;
Masahiko Hasunuma, Yokohama, JP;
Akitsugu Hatazaki, Yokkaichi, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
Disclosed is a semiconductor device including: a semiconductor substrate; at least one layer of a first insulating film formed above the semiconductor substrate and having a relative dielectric constant of 3.8 or less, an entire layer of the first insulating film being separated at least near four corners of the semiconductor substrate by a lacking portion that extends along the four corners; and a second insulating film covering a side face of the entire layer of the first insulating film in the lacking portion on a center side of the semiconductor substrate and having a relative dielectric constant of over 3.8.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile