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:
Sep. 13, 2011
Filed:
Jul. 30, 2009
Sung-chul Lee, Osan-si, KR;
Jai-kwang Shin, Anyang-si, KR;
Sun-ae Seo, Hwaseong-si, KR;
Young-jin Cho, Suwon-si, KR;
Ung-hwan PL, Seoul, KR;
Ji-young Bae, Seongnam-si, KR;
Sung-chul Lee, Osan-si, KR;
Jai-kwang Shin, Anyang-si, KR;
Sun-ae Seo, Hwaseong-si, KR;
Young-jin Cho, Suwon-si, KR;
Ung-hwan Pl, Seoul, KR;
Ji-young Bae, Seongnam-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
A magnetic track includes first and second magnetic domain regions having different lengths and different magnetic domain wall movement speeds. A longer of the first and second magnetic domain regions serves as an information read/write region. An information storage device includes a magnetic track. The magnetic track includes a plurality of magnetic domain regions and a magnetic domain wall region formed between neighboring magnetic domain regions. The plurality of magnetic domain regions includes a first magnetic domain region and at least one second magnetic domain region having a smaller length than the first magnetic domain region. The information storage device further includes a first unit configured to perform at least one of an information recording operation and an information reproducing operation on the first magnetic domain region, and a magnetic domain wall movement unit configured to move a magnetic domain wall of the magnetic domain wall region.