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:
Oct. 24, 2000
Filed:
Dec. 29, 1997
Applicant:
Inventor:
Shye-Lin Wu, Hsinchu, TW;
Assignee:
Texas Instrumants - Acer Incorporated, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257309 ; 257534 ;
Abstract
The capacitor includes a first storage node formed over a semiconductor wafer. The first storage node has a plurality of mushroom-shape structures. The plurality of mushroom-shape structures are randomly arranged on the first storage node to increase the area of the first storage node. A dielectric layer conformally covers the first storage node. A second storage node is formed on the dielectric layer.