Multiple glazed insulating unit, especially for an aircraft window, with electromagnetic armor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E06B-003/24
E04C-002/54
H01K-009/00
출원번호
US-0183508
(2002-06-28)
우선권정보
FR-1999-905374 (1999-04-28)
발명자
/ 주소
Chaussade, Pierre
Drouet, Xavier
출원인 / 주소
Saint-Gobain Glass France
대리인 / 주소
Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보
피인용 횟수 :
23인용 특허 :
13
초록▼
A multiple glazed insulating unit, especially for an aircraft window, with electromagnetic armor. An insulating multiple glazing unit includes a glazed section provided with at least two superposed panes of mechanically-strong transparent substrate, between which is interposed at least one gap fille
A multiple glazed insulating unit, especially for an aircraft window, with electromagnetic armor. An insulating multiple glazing unit includes a glazed section provided with at least two superposed panes of mechanically-strong transparent substrate, between which is interposed at least one gap filled with gas. The panes are mounted at their periphery in a seal, by which the glazing unit can be built into a structure designed to enclose a space containing instruments susceptible to being disturbed by an electromagnetic field, and which has an electromagnetic shielding function. The glazed section is provided with at least one continuous electrically-conductive transparent thin layer, and the seal is made conductive at least in part to ensure connection of the electrically-conductive transparent thin layer to the structure. Conductivities of the electrically-conductive transparent thin layer and of the seal are chosen to ensure continuity of the electromagnetic shielding of the structure.
대표청구항▼
1. An insulating multiple glazing unit comprising:at least two superposed panes of transparent substrate, between which there is interposed at least one gap filled with gas;a seal configured to mount said panes at their periphery by which the glazing unit can be built into a structure configured to
1. An insulating multiple glazing unit comprising:at least two superposed panes of transparent substrate, between which there is interposed at least one gap filled with gas;a seal configured to mount said panes at their periphery by which the glazing unit can be built into a structure configured to enclose a space containing instruments susceptible to being disturbed by an electromagnetic field and which has an electromagnetic shielding function;at least one continuous electrically conductive transparent thin layer provided on one of the panes, andwherein the seal is formed of a central branch and first and second side branches, the central branch and the first side branch defining a first groove to sealingly receive a first of the two panes, the central branch and the second side branch defining a second groove to sealingly receive a second of the two panes, and wherein the seal is made conductive at least in part to ensure connection of the at least one continuous electrically conductive transparent thin layer to the structure, conductivities of the electrically conductive transparent thin layer and of the seal chosen to ensure continuity of the electromagnetic shielding of the structure,wherein the at least one electrically conductive transparent thin layer is constituted by a layer of doped semiconductor, having a thickness between 100 nm and 1000 nm and a surface resistivity of 2 to 40 Ω/□, the layer of doped semiconductor oxide being disposed to cover at least one face of the panes. 2. A glazing unit according to claim 1, wherein the surface resistivity of the at least one electrically conductive transparent thin layer is 15 to 30 Ω/□. 3. A glazing unit according to claim 1, wherein the layer of doped semiconductor oxide is included in a body of one of the at least two panes. 4. A glazing unit according to claim 1, wherein the layer of doped semiconductor oxide is deposited on at least one face of a transparent thin body of poly(ethylene or terephthalate) integrated as an additional layer in the glazed section. 5. A glazing unit according to claim 1, wherein the layer of doped semiconductor oxide is deposited on a thin glass plate integrated as an additional layer in the glazed section. 6. A glazing unit according to claim 1, wherein the panes of transparent substrate are made of one of one-piece glass plates, of polymer plates, or laminated plates. 7. A glazing unit according to claim 1, wherein the electrically conductive thin layer is disposed in an interior of the at least two superposed panes. 8. A glazing unit according to claim 3, wherein the semiconductor oxide is one of indium oxide doped with tin (ITO) or tin oxide doped with antimony or fluorine. 9. A glazing unit according to claim 3, wherein the seal is made from an elastomer that comprises a silicone or fluorosilicone that is conductive at least in part by including in its composition an electrically conductive filler formed from metal granules or fibers, the conductive elastomer having a volume resistivity of 2×10 −5 to 2×10 −3 ohm·m (0.002 to 0.1 ohm·cm), the at least one continuous electrically conductive thin layer being in contact with a conductive part of the seal, which is configured to make contact with the structure to be provided with electromagnetic shielding. 10. A glazing unit according to claim 5, wherein the elastomer has a Shore hardness A of 30 to 80. 11. A glazing unit according to claim 5, wherein the seal is an elastomer made conductive throughout its composition. 12. A glazing unit according to claim 5, wherein the seal is made by comolding of first and second elastomers, the first elastomer being conductive and disposed to cooperate with the at least one continuous electrically conductive thin layer. 13. A glazing unit according to claim 5, further comprising a conductivity boost comprising:one of a conductive film, a conductive layer, or a conductive paint on at least one part of a surface of the seal. 14. A glazing unit according to claim 9, further comprising:one of a metal hoop, a metal foil, or an adhesive metal tape placed at a periphery of the glazing unit or at points or regions of the periphery, against at least one internal part of the seal, to make contact with the at least one continuous electromagnetic thin layer. 15. A glazing unit according to claim 10, further comprising:one of a conductive enamel or a conductive paste deposited on a conductive thin layer and making contact with the seal or with the one of the metal hoop, the metal foil, or the adhesive metal tape at a periphery of the glazing unit. 16. A glazing unit according to claim 1, comprising an aircraft window provided with electromagnetic shielding with a rating of at least 10 db. 17. An insulating multiple glazing unit comprising:at least two superposed panes of transparent substrate, between which there is interposed at least one gap filled with gas;a seal configured to mount said panes at their periphery by which the glazing unit can be built into a structure configured to enclose a space containing instruments susceptible to being disturbed by an electromagnetic field and which has an electromagnetic shielding function;at least one continuous electrically conductive transparent thin layer provided on one of the panes,wherein the seal is made conductive at least in part to ensure connection of the at least one continuous electrically conductive transparent thin layer to the structure, conductivities of the electrically conductive transparent thin layer and of the seal chosen to ensure continuity of the electromagnetic shielding of the structure,wherein the at least one electrically conductive transparent thin layer is constituted by a layer of doped semiconductor, having a thickness between 100 nm and 1000 nm and a surface resistivity of 2 to 40 Ω/□, the layer of doped semiconductor oxide being disposed to cover at least one face of the panes, andwherein the layer of doped semiconductor oxide is deposited on at least one face of a transparent thin body of poly(ethylene or terephthalate) integrated as an additional layer in the glazed section. 18. An insulating multiple glazing unit comprising:at least two superposed panes of transparent substrate, between which there is interposed at least one gap filled with gas;a seal configured to mount said panes at their periphery by which the glazing unit can be built into a structure configured to enclose a space containing instruments susceptible to being disturbed by an electromagnetic field and which has an electromagnetic shielding function;at least one continuous electrically conductive transparent thin layer provided on one of the panes,wherein the seal is made conductive at least in part to ensure connection of the at least one continuous electrically conductive transparent thin layer to the structure, conductivities of the electrically conductive transparent thin layer and of the seal chosen to ensure continuity of the electromagnetic shielding of the structure,wherein the at least one electrically conductive transparent thin layer is constituted by a layer of doped semiconductor, having a thickness between 100 nm and 1000 nm and a surface resistivity of 2 to 40 Ω/□, the layer of doped semiconductor oxide being disposed to cover at least one face of the panes, andwherein the layer of doped semiconductor oxide is deposited on a thin glass plate integrated as an additional layer in the glazed section. 19. A glazing unit according to claim 18, wherein the elastomer has a Shore hardness A of 30 to 80. 20. A glazing unit according to claim 18, wherein the seal is an elastomer made conductive throughout its composition. 21. A glazing unit according to claim 18, wherein the seal is made by comolding of first and second elastomers, the first elastomer being conductive and disposed to cooperate with the at least one continuous electrically conductive t hin layer. 22. A glazing unit according to claim 18, further comprising a conductivity boost comprising:one of a conductive film, a conductive layer, or a conductive paint on at least one part of a surface of the seal. 23. A glazing unit according to claim 19, further comprising:one of a conductive enamel or a conductive paste deposited on a conductive thin layer and making contact with the seal or with the one of the metal hoop, the metal foil, or the adhesive metal tape at a periphery of the glazing unit. 24. An insulating multiple glazing unit comprising:at least two superposed panes of transparent substrate, between which there is interposed at least one gap filled with gas;a seal configured to mount said panes at their periphery by which the glazing unit can be built into a structure configured to enclose a space containing instruments susceptible to being disturbed by an electromagnetic field and which has an electromagnetic shielding function;at least one continuous electrically conductive transparent thin layer provided on one of the panes,wherein the seal is made conductive at least in part to ensure connection of the at least one continuous electrically conductive transparent thin layer to the structure, conductivities of the electrically conductive transparent thin layer and of the seal chosen to ensure continuity of the electromagnetic shielding of the structure,wherein the at least one electrically conductive transparent thin layer is constituted by a layer of doped semiconductor, having a thickness between 100 nm and 1000 nm and a surface resistivity of 2 to 40 Ω/□, the layer of doped semiconductor oxide being disposed to cover at least one face of the panes, andwherein the electrically conductive thin layer is disposed in an interior of the at least two superposed panes. 25. An insulating multiple glazing unit comprising:at least two superposed panes of transparent substrate, between which there is interposed at least one gap filled with gas;a seal configured to mount said panes at their periphery by which the glazing unit can be built into a structure configured to enclose a space containing instruments susceptible to being disturbed by an electromagnetic field and which has an electromagnetic shielding function;at least one continuous electrically conductive transparent thin layer provided on one of the panes,wherein the seal is made conductive at least in part to ensure connection of the at least one continuous electrically conductive transparent thin layer to the structure, conductivities of the electrically conductive transparent thin layer and of the seal chosen to ensure continuity of the electromagnetic shielding of the structure,wherein the at least one electrically conductive transparent thin layer is constituted by a layer of doped semiconductor, having a thickness between 100 nm and 1000 nm and a surface resistivity of 2 to 40 Ω/□, the layer of doped semiconductor oxide being disposed to cover at least one face of the panes,wherein the layer of doped semiconductor oxide is included in a body of one of the at least two panes, andwherein the seal is made from an elastomer that comprises a silicone or fluorosilicone that is conductive at least in part by including in its composition an electrically conductive filler formed from metal granules or fibers, the conductive elastomer having a volume resistivity of 2×10 −5 to 2×10 −3 ohm·m (0.002 to 0.1 ohm·cm), the at least one continuous electrically conductive thin layer being in contact with a conductive part of the seal, which is configured to make contact with the structure to be provided with electromagnetic shielding. 26. A glazing unit according to claim 25, further comprising:one of a metal hoop, a metal foil, or an adhesive metal tape placed at a periphery of the glazing unit or at points or regions of the periphery, against at least one internal part of the seal, to make contact with the at least one continuous electromagnetic thin layer.
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