Vacuum insulating glass (VIG) unit with metallic peripheral edge seal and/or methods of making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E06B-003/66
E06B-003/677
E06B-003/673
E06B-003/663
출원번호
US-0145462
(2013-12-31)
등록번호
US-9784027
(2017-10-10)
발명자
/ 주소
Veerasamy, Vijayen S.
Bracamonte, Martin D.
출원인 / 주소
Guardian Glass, LLC
대리인 / 주소
Nixon & Vanderhye P.C.
인용정보
피인용 횟수 :
0인용 특허 :
62
초록▼
Certain example embodiments relate to vacuum insulating glass units having edge seals based on solder alloys that, when reactively reflowed, wet metallic coatings pre-coated on the glass substrates' perimeters, and/or associated methods. The alloys may be based on materials that form a seal at tempe
Certain example embodiments relate to vacuum insulating glass units having edge seals based on solder alloys that, when reactively reflowed, wet metallic coatings pre-coated on the glass substrates' perimeters, and/or associated methods. The alloys may be based on materials that form a seal at temperatures that will not de-temper glass and/or decompose a laminate, and/or remain hermetic and lack porous structures in their bulks. Example alloys may be based on inter-metallics of Sn and one or more additional materials selected from post-transition metals or metalloids; Zintl anions (e.g., In, Bi, etc.) from Group 13, 14, 15 or 16; and transition metals (e.g., Cu, Ag, Ni, etc.); and excludes Pb. Thin film coatings in certain example embodiments work with the solder material to form robust and durable hermetic interfaces. Because low temperatures are used, certain example embodiments can use compliant and visco-elastic spacer technology based on lamellar structures and/or the like.
대표청구항▼
1. A vacuum insulating glass (VIG) window unit, comprising: first and second substantially parallel spaced apart substrates, at least one of the first and second substrates of the VIG window unit being a heat treated glass substrate;an evacuated gap provided between the glass substrates at a pressur
1. A vacuum insulating glass (VIG) window unit, comprising: first and second substantially parallel spaced apart substrates, at least one of the first and second substrates of the VIG window unit being a heat treated glass substrate;an evacuated gap provided between the glass substrates at a pressure less than atmospheric pressure;a plurality of spacers provided between the first and second substrates; andan edge seal comprising an alloy material including Sn and at least one other material selected from the group consisting of post-transition metals or metalloids from groups 13-15; and Zintl anions from group 13, 14, 15 or 16 and, on each side thereof and in order moving away from the alloy material and towards the first and second substrates, respectively, at least one inter-metallic (IMC) layer, a layer comprising silver, and a layer comprising NiCr that contacts the layer comprising silver. 2. The VIG unit of claim 1, wherein first and second IMC layers are sandwiched between the alloy material and the nickel-inclusive layers. 3. The VIG unit of claim 2, wherein the first IMC layer comprises (CuyNi1-y)6Sn5, and the second IMC layer comprises (NixCu1-x)3Sn4, and the first IMC layer is provided closer to the alloy material than the second IMC layer. 4. The VIG unit of claim 1, wherein the layers comprising NiCr are oxided. 5. The VIG unit of claim 1, wherein the alloy material is formed from a material having an isopleth temperature no higher than 250 degrees C. 6. The VIG unit of claim 1, wherein the spacers are lamellar structures. 7. The VIG unit of claim 1, further comprising a tipped-off pump-out tube. 8. The VIG unit of claim 1, wherein the at least one substrate that is heat treated is thermally tempered. 9. The VIG unit of claim 1, further comprising a third substrate laminated to the first and/or second substrate(s). 10. The VIG unit of claim 9, wherein at least one of the substrates is not a glass substrate. 11. The VIG unit of claim 1, further comprising a secondary peripheral polymeric seal comprising at least one of a silicone, polyamide, and PIB. 12. A vacuum insulating glass (VIG) window unit, comprising: first and second substantially parallel spaced apart substrates, at least one of the substrates being a glass substrate;a plurality of spacers provided between the first and second substrates for spacing the substrates; andan edge seal between the substrates for sealing an interior low pressure cavity, the low pressure cavity having a pressure less than atmospheric pressure,wherein the edge seal comprises an alloy including Sn and at least one other material, said at least one other material being selected from the group consisting of post-transition metals or metalloids, Zintl anions from group 13, 14, 15 and/or 16, and transition metals; andwherein on each side of said alloy including Sn and at least one other material there is provided, in order moving away from said alloy including Sn and at least one other material and towards the first and second substrates, respectively, at least one inter-metallic (IMC) layer, a layer comprising silver, and a layer comprising NiCr. 13. The VIG window unit of claim 12, wherein first and second IMC layers are sandwiched between the alloy material and the layers comprising NiCr that contacts the layer comprising silver. 14. The VIG window unit of claim 12, wherein the first IMC layer comprises (CuyNi1-y)6Sn5, and the second IMC layer comprises (NixCu1-x)3Sn4. 15. The VIG window unit of claim 12, wherein the substrates are glass substrates. 16. The VIG window unit of claim 15, wherein the glass substrates are thermally tempered. 17. The VIG window unit of claim 12, wherein the layers comprising NiCr are oxided. 18. The VIG window unit of claim 12, wherein said alloy comprising Sn and at least one other material comprises Sn, Ag, and Cu.
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