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
21.05.2025
Patent
Elektronische Ressource
Englisch
IPC: | B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / 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 / 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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