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:
Nov. 11, 2008
Filed:
May. 24, 2006
Meng-hung Chen, Taoyuan, TW;
Shian-jyh Lin, Taipei County, TW;
Neng-tai Shih, Taipei, TW;
Nanya Technology Corporation, Taoyuan, TW;
Abstract
A memory device is disclosed. A substrate is provided. A plurality of pillars is disposed on the substrate. Each pillar has a plurality of epitaxial layers, has a first sidewall and a second sidewall. A trench is formed between the pillars. A common bottom electrode is disposed in a lower portion of the trench and surrounded by a node dielectric layer. A first insulating layer is disposed on the common bottom electrode inside the trench. A plurality of gate structures is disposed on the first sidewall and inside the trench. A second insulating layer is disposed inside the trench and adjacent to the gate structures. A third insulating layer, body line, and fourth insulating layer are respectively disposed on the substrate and located between the second insulating layer and the second sidewall.