| 摘要 |
PROBLEM TO BE SOLVED: To provide an infrared cut filter that offers superior infrared blocking capability in a wide wavelength range from near-infrared to far-infrared, and to provide a manufacturing method therefor.SOLUTION: An infrared cut filter comprises a base layer formed on a substrate, and nano-sized protrusions that are in contact with the base layer and made of the same material as the base layer, the nano-sized protrusions having a length of 90-150 μm.SELECTED DRAWING: None |
