METHOD FOR MANUFACTURING INFRARED CUT-OFF FILTER, FILTER FOR SOLID-STATE IMAGING ELEMENT, AND SOLID-STATE IMAGING ELEMENT

• Main Authors: AKENO Yasutake, IWATA Reiko, HIRAI Yuri
• Format: Patent
• Language: English; French; German
• Published: 02.11.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; SEMICONDUCTOR DEVICES

A method for producing an infrared light cut filter includes: forming an infrared light cut layer containing an infrared light absorbing dye; forming a protective layer on the infrared light cut layer for providing protection against a stripping solution; forming a resist pattern on the protective l...