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:
Jul. 13, 2021
Filed:
Dec. 20, 2016
Applicant:
Snu R&db Foundation, Seoul, KR;
Inventors:
Assignee:
SNU R&DB FOUNDATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/28 (2006.01); B82Y 25/00 (2011.01); H01F 1/00 (2006.01); B22F 1/00 (2006.01); B22F 1/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/28 (2013.01); B22F 1/0003 (2013.01); B22F 1/02 (2013.01); B82Y 25/00 (2013.01); H01F 1/0054 (2013.01); H01F 1/0063 (2013.01); B22F 2301/155 (2013.01); B22F 2301/35 (2013.01); B22F 2302/256 (2013.01); B22F 2999/00 (2013.01);
Abstract
Provided is a color encoding method including providing a composition including a liquid medium and magnetic nanoparticles dispersed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and applying a patterned energy source to the composition to solidify the composition, wherein more than one region of the composition are sequentially solidified with varying magnetic field strength to fix a plurality of color codes.