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.:

US 7838208 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 23, 2010

Filed:

Dec. 29, 2004
Applicants:

Benjamin B. Yellen, Cary, NC (US);

Gennady Friedman, Richboro, PA (US);

Inventors:

Benjamin B. Yellen, Cary, NC (US);

Gennady Friedman, Richboro, PA (US);

Assignee:

Drexel University, Philadelphia, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 1/00 (2006.01); G03C 5/00 (2006.01); A61K 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

Magnetic nanoparticle masks for lithographic applications of a substrate and methods for producing such masks via defining regions of localized magnetic field maxima and minima on a substrate are provided. Also provided are methods for producing multi-component patterns on a substrate with the magnetic nanoparticle masks.


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