The present invention relates to a heat reflective substrate that comprises a dielectric substrate and a heat reflective film on at least one principal surface of the dielectric substrate, and has a radio wave transmissive region on at least part of the at least one principal surface in plan view, wherein the radio wave transmissive region is provided with a slit portion where the heat reflective film is not present, and in the radio wave transmissive region, a solar radiation heat acquisition rate (g0) obtained by a predetermined method in a region not including the slit portion, and a solar radiation heat acquisition rate (g1) in a region including the slit portion satisfy a specific relationship.
HEAT REFLECTIVE SUBSTRATE, MANUFACTURING METHOD THEREFOR, AND WINDOW GLASS
WÄRMEREFLEKTIERENDES SUBSTRAT, HERSTELLUNGSVERFAHREN DAFÜR UND FENSTERGLAS
SUBSTRAT RÉFLÉCHISSANT LA CHALEUR, SON PROCÉDÉ DE FABRICATION ET VERRE DE FENÊTRE
2025-05-21
Patent
Electronic Resource
English
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / H01Q Antennen , ANTENNAS, i.e. RADIO AERIALS |
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