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:
Dec. 20, 2011
Filed:
Dec. 15, 2009
Young-sik Yoon, Daegu, KR;
Yeong-seop Lee, Gyeongsangbuk-do, KR;
Jin-han Kim, Daegu, KR;
Won-taek Han, Gwangju, KR;
Seong-min Joo, Gwangju, KR;
Dea-hwan OH, Gyeongsangbuk-do, KR;
Young-Sik Yoon, Daegu, KR;
Yeong-Seop Lee, Gyeongsangbuk-do, KR;
Jin-Han Kim, Daegu, KR;
Won-Taek Han, Gwangju, KR;
Seong-Min Joo, Gwangju, KR;
Dea-Hwan Oh, Gyeongsangbuk-do, KR;
SEHF-Korea Co., Ltd., Imsu-Dong, Gumi-Si, Gyeong Sangbuk-Do, KR;
Gwangju Institute of Science and Technology, Buk-Gu, Gwangju, KR;
Abstract
Disclosed is a low bend loss optical fiber including: a core; an inner layer disposed at outside of the core, which has a refractive index lower than a refractive index of the core, the refractive index of the inner layer gradually decreasing as it becomes farther from the core; and a trench layer disposed at outside of the inner layer, which has a lowest refractive index.