| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a transparent and colorless glass ceramic plate provided with a window portion or a display portion as a cooking face of a cooking range. <P>SOLUTION: The glass ceramic plate 1 is used as the cooking face of the cooking range. It has high and homogeneous transparency with respect to visible light with a wavelength of 400-750 nm, a lighting system 5 arranged below the glass ceramic plate can be clearly seen, a display device 3 and another display device 2 in the cooking range can be distinctly and distinguishably seen since scattering of light from the lighting system is within 3%, it has sufficient transparency such that a lighting means shines brightly through the glass ceramic plate, it has durability with respect to a mechanical load (scratching, or cracking), and it is composed such that a touch sensor 6 operated by a capacity principle can be arranged in the window portion below the glass ceramic plate. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
