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US 12,410,654 B2Granted
Vacuum insulated panel with passivation layer
AssigneeLuxWall, Inc.
InventorsScott V. Thomsen, Christian Bischoff, Phil Lingle
Life of this patent
Estimating the term…
Abstract
A vacuum insulating panel includes first and second substrates (e.g., glass substrates), a hermetic edge seal, a pump-out port, and spacers sandwiched between at least the two substrates. The gap between the substrates may be at a pressure less than atmospheric pressure to provide insulating properties. The vacuum insulating panel may include at least one passivation layer for reducing outgassing from a glass substrate, in order to improve lifespan of the vacuum insulating panel.
Claims28
A vacuum insulating panel comprising:
- a first glass substrate;
- a second glass substrate;
- a plurality of spacers provided in a gap between at least the first and second substrates, wherein the gap is at pressure less than atmospheric pressure;
- a ceramic seal provided at least partially between at least the first and second substrates;
- a substantially transparent dielectric passivation layer directly on and contacting a first surface of the first glass substrate, wherein the passivation layer has a physical thickness of from about from about 150-500 Å;
- a low-emissivity (low-E) coating on the second glass substrate, so that the gap at pressure less than atmospheric pressure is provided between at least the dielectric passivation layer and the low-E coating;
- wherein the dielectric passivation layer on the first glass substrate, and the low-E coating on the second glass substrate, each comprise a major surface facing the gap and exposed to the gap;
- wherein the dielectric passivation layer on the first glass substrate, and the low-E coating on the second glass substrate, at least partially overlap each other;
- wherein an area of the first surface of the first glass substrate, located between the passivation layer and the ceramic seal, is not covered by the passivation layer so that the passivation layer does not contact the ceramic seal;
- and
- wherein there is no low-E coating provided on the first glass substrate.
8 more elements
A vacuum insulating panel comprising:
- a first glass substrate;
- a second glass substrate;
- a plurality of spacers provided in a gap between at least the first and second substrates, wherein the gap is at pressure less than atmospheric pressure;
- a ceramic seal provided at least partially between at least the first and second substrates;
- a substantially transparent dielectric passivation layer directly on and contacting a first surface of the first glass substrate;
- a low-emissivity (low-E) coating on the second glass substrate, so that the gap at pressure less than atmospheric pressure is provided between at least the dielectric passivation layer and the low-E coating;
- wherein the dielectric passivation layer on the first glass substrate, and the low-E coating on the second glass substrate, each comprise a major surface facing the gap and exposed to the gap;
- wherein the dielectric passivation layer on the first glass substrate, and the low-E coating on the second glass substrate, at least partially overlap each other;
- wherein an area of the first surface of the first glass substrate, located between the passivation layer and the ceramic seal, is not covered by the passivation layer so that the passivation layer does not contact the ceramic seal;
- wherein there is no low-E coating provided on the first glass substrate;
- and
- wherein the passivation layer consists essentially of a single layer comprising SiO2.
9 more elements
Dependencies are inferred from the claim text.