onductor thin film using substrate irradiated with focused light, and semiconductor element using substrate irradiated with focused lightUSRE39025 *13 Oct 200021 Mar 2006Samsung Electronics Co., Ltd.Lens device including a light controlling mechanism and an optical pickup apparatus using a lens deviceEP1122718A2 *1 Feb 20018 Ago 2001Mitsubishi Chemical CorporationMethod for forming a magnetic patt