作者: Toshimasa Kanai , Koji Ikegami
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摘要: To provide a top plate for cooking device which has low transmittance in visible wavelength range and high an infrared of 3500 nm to 4000 nm. A 1 includes: glass substrate 10; layered coating 2 made Si film 11 silicon nitride 12 are formed on the 10. Where t represents thickness 12, (t , ) FIG. showing relation between is within bounds X defined by connecting Points A1 A36 shown TABLE this order with straight lines.