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. 29, 1999
Filed:
Jul. 29, 1997
Shin Kikuchi, Isehara, JP;
Mamoru Miyawaki, Tokyo, JP;
Genzo Monma, Hiratsuka, JP;
Hayao Ohzu, Kawasaki, JP;
Shunsuke Inoue, Yokohama, JP;
Yoshio Nakamura, Atsugi, JP;
Takeshi Ichikawa, Zama, JP;
Osamu Ikeda, Tokyo, JP;
Tetsunobu Kohchi, Hiratsuka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A semiconductor device including: an insulated gate type transistor having a columnar semiconductor region formed on the main side of a semiconductor substrate, a gate electrode formed on the side surface of the columnar semiconductor region while interposing a gate insulating film and main electrode regions respectively formed on and formed below the columnar semiconductor region; and a memory element which is formed on the upper main electrode region and which can be broken electrically.