Vacuum insulated glass product
A vacuum insulated glass product and the method for making the same, wherein the vacuum insulated glass comprises: a first glass substrate; a second glass substrate disposed facing the first glass substrate; a sealing structure provided between the first glass substrate and the second glass substrate and used for airtight binding of the first glass substrate and the second glass substrate to form a vacuum cavity; and a plurality of supports provided inside the vacuum cavity for bearing pressure from the first glass substrate and the second glass substrate. The sealing structure comprises: metal layers which are fixedly formed on facing surfaces of the first glass substrate and the second glass substrate, and an intermediate solder layer which is disposed between and connects the metal layers. The sealing structure has arc-shaped transition structures at the corner areas of the glass substrates.
1. A vacuum insulated glass product, comprising:
a first glass substrate;
a second glass substrate, disposed facing the first glass substrate;
a sealing structure, provided between the first glass substrate and the second glass substrate and adjacent to edges of the first glass substrate and the second glass substrate, and configured for airtight sealing of the first glass substrate and the second glass substrate to form a vacuum cavity; and
a plurality of supports provided inside the vacuum cavity, and configured to bear pressures from the first glass substrate and the second glass substrate;
wherein the sealing structure comprises:
a metal layer which is fixedly formed on each of two facing surfaces of the first glass substrate and the second glass substrate, respectively, and
an intermediate solder layer which connects the metal layers; and
wherein the metal layers have arc-shaped transition structures at the corner areas of the glass substrates.
2. The vacuum insulated glass product according to claim 1 , wherein the two metal layers and the intermediate solder layer are matched in width.
3. The vacuum insulated glass product according to claim 1 , wherein the first glass substrate or the second glass substrate is provided with a pump-out hole.
4. The vacuum insulated glass product according to claim 1 , wherein a gas adsorbent for absorbing residual gas is disposed in the vacuum cavity.
5. The vacuum insulated glass product according to claim 1 , wherein the metal layer is sintered on the first glass substrate and the second glass substrate by a metal slurry, respectively.
6. The vacuum insulated glass product according to claim 1 , a width of a straight segment of the metal layer is d, an arc radius of an inner edge of the metal layer in the corner area is r, and an arc radius of an outer edge of the metal layer in the corner area is R, wherein d=R−r.
7. The vacuum insulated glass product according to claim 1 , wherein a width of a straight segment of the metal layer is about 8 mm, an arc radius of an inner edge of the metal layer in the corner area is about 3 mm, and an arc radius of an outer edge of the metal layer in the corner area is about 11 mm.
8. A method for making a vacuum insulated glass product, comprising:
placing a first glass substrate or a second glass substrate on top of the other;
fixedly forming a first metal layer and a second metal layer on facing surfaces of the first glass substrate and the second glass substrate, respectively, wherein the first metal layer and the second metal layer are disposed adjacent to edges of the first glass substrate and the second glass substrate and have are-shaped transition structures at the corner areas of the first glass substrate and the second glass substrate;
disposing an intermediate solder layer to connect the first metal layer and the second metal layer to form a sealing structure; and
sealing the first glass substrate and the second glass substrate to form a vacuum cavity, wherein a plurality of supports are provided inside the vacuum cavity to bear pressures from the first glass substrate and the second glass substrate.
9. The method for making a vacuum insulated glass product according to claim 8 , wherein the two metal layers and the intermediate solder layer are matched in width.
10. The method for making a vacuum insulated glass product according to claim 8 , further comprising:
providing a pump-out hole on the first glass substrate or the second glass substrate.
11. The method for making a vacuum insulated glass product according to claim 8 , further comprising:
disposing a gas adsorbent in the vacuum cavity to absorb residual gas.
12. The method for making a vacuum insulated glass product according to claim 8 , wherein the first metal layer and the second metal layer are sintered on the first glass substrate and the second glass substrate by a metal slurry, respectively.
13. The method for making a vacuum insulated glass product according to claim 8 ,
wherein a width of a straight segment of the first metal layer and the second metal layer is d, an arc radius of an inner edge of the first metal layer and the second metal layer in the corner area is r, and an arc radius of an outer edge of the first metal layer and the second metal layer in the corner area is R, wherein d=R−r.