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:
Feb. 14, 2012
Filed:
Jan. 05, 2010
Ming-daou Lee, Chiayi, TW;
Chia-hua Ho, Hsinchu, TW;
Erh-kun Lai, Taichung, TW;
Kuang-yeu Hsieh, Hsinchu, TW;
Ming-Daou Lee, Chiayi, TW;
Chia-Hua Ho, Hsinchu, TW;
Erh-Kun Lai, Taichung, TW;
Kuang-Yeu Hsieh, Hsinchu, TW;
Macronix International Co., Ltd., Hsinchu, TW;
Abstract
A resistive random access memory including, an insulating layer, a hard mask layer, a bottom electrode, a memory cell and a top electrode is provided. The insulating layer is disposed on the bottom electrode. The insulating layer has a contact hole having a first width. The hard mask layer has an opening. A portion of the memory cell is exposed from the opening and has a second width smaller than the first width. The top electrode is disposed on the insulating layer and is coupled with the memory cell.