| 摘要 |
PROBLEM TO BE SOLVED: To provide a thin film, lightweight shield material exhibiting high electromagnetic wave absorbing performance over a wide frequency region. SOLUTION: A one-dimensional conductive line pattern of conductive material, e.g. a conductive pattern (a)-(f), has a length equal to 1/2 of the wavelength of electromagnetic wave to be shielded or longer and has a thickness of 50-5,000Å, wherein each line pattern exhibits electrically nonconductive electromagnetic wave absorbing performance. The shield material comprises an opaque electromagnetic wave shield layer, and an intermediate insulating material of 0.1-10.0mm thick interposed between the one-dimensional conductive line pattern and the opaque electromagnetic wave shield layer.
|
