VACUUM DEPOSITION METHOD OF MULTI-LAYER THIN FILM FOR PLASTIC OPTICAL COMPONENT AND PHOTOGRAPHING ELEMENT HAVING THE PLASTIC OPTICAL COMPONENT

摘要

PROBLEM TO BE SOLVED: To provide a vacuum deposition method of a multi-layer thin film for a plastic optical component, by which use of a multi-layer thin film lens can be omitted because of direct deposition of a multi-layer thin film for light filtration on the plastic optical component, thereby miniaturizing a photographing element; and to provide the photographing element having the plastic optical component.;SOLUTION: The vacuum deposition method of the multi-layer thin film for the plastic optical component is characterized in that the multi-layer thin film for light filtration is vacuum-deposited on a surface of the plastic optical component 21, the multi-layer thin film for light filtration comprises many thin films with high refractive index and many thin films with low refractive index and further the thin film with high refractive index and the thin film with low refractive index are alternately formed and laminated.;COPYRIGHT: (C)2009,JPO&INPIT