Electronic materials cover a wide range. If they are distinguished from application industries or fields, they can also be summarized as semiconductor materials, display materials, printed circuit board materials, battery materials, recording media materials, passive component materials, optical fiber and cable materials, etc.
Now, electronic materials are defined as materials used in IC manufacturing, flat panel display, construction, printed circuit board, solar cell and other industries, whose main function is to be opto mechanical materials or materials that will affect the electrical properties of products.