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:
Apr. 15, 2008
Filed:
Oct. 07, 2005
Shih-fan Kuan, Taoyuan County, TW;
Kuo-chien Wu, Miaoli, TW;
Shih-Fan Kuan, Taoyuan County, TW;
Kuo-Chien Wu, Miaoli, TW;
Nanya Technology Corporation, Taoyuan, TW;
Abstract
A word line structure with a single-sided partially recessed gate structure. The word line structure includes a gate structure, a first gate spacer, and a second gate spacer. The gate structure includes a gate dielectric layer, a first gate layer, a second gate layer, and a gate capping layer and has a recess region adjacent to one of opposing sidewalls of the second gate layer. The first gate spacer is disposed over opposing sidewalls of the gate dielectric layer and the first gate layer. The second gate spacer is disposed over opposing sidewalls of the gate structure and covers the first gate spacer. A method for forming a word line structure with a single-sided partially recessed gate structure is also disclosed.