Samsung Electronics Co., Ltd.

Seoul National University

Sang-Ho Cha

Jong-Chan Lee

Jeong-Sik Cho

Mun-Hyun Do

Jin-Seong Yang

Yun-Geun Jang

Sang-Woong Yoon

Ju-Chang Han

Ki-Ok Kwon

Ki-Moon Kwak

Geun Huh

A composition for forming a photosensitive organic anti-reflective layer includes about 0.5 to about 5 percent by weight of an acid-labile thermal cross-linking agent that is decomposed by an epoxy group and a photo-acid generator, about 10 to about 22 percent by weight of a copolymer resin that includes an acrylate monomer containing anthracene or a methacrylate monomer containing anthracene, about 0.1 to about 1 percent by weight of a photo-acid generator, and a solvent.

Composition for forming a photosensitive organic anti-reflective layer and method of forming a pattern using the same

Disclosed is a wide-band dispersion controlled optical fiber. The optical fiber enables the use of optical signals in various wavelength regions in a wavelength division multiplexing mode communication network by controlling the position of the zero dispersion wavelength, and enables long distance transmission by controlling dispersion slope and bending loss. Furthermore, there is an advantage in that the optical fiber enables not only short distance transmission but also middle/long distance transmission using a single type of optical fiber because the optical fiber is controlled to have negative dispersion values in the O-band wavelength region and positive dispersion values with small deviations in the C-band and L-band wavelength regions.

Wide-band dispersion controlled optical fiber

Growing community of inventors

Seoul, South Korea

Sang-Ho Cha