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公开(公告)号：US11832395B2
公开(公告)日：2023-11-28
申请号：US17132472
申请日：2020-12-23
IPC分类号： H05K1/02 , H05K1/03 , H05K1/09 , H05K3/20 , H05K3/28 , H05K3/38 , H05K3/40 , H05K7/02 , H05K7/06 , H01L21/48 , H01L31/20 , H01L31/0216 , H01L31/0224 , H01L31/0392 , B41M5/44 , B41M5/392 , B41M5/395 , B41M1/12 , H05K3/34 , H05K1/16
CPC分类号： H05K3/207 , B41M1/12 , H01L31/02167 , H01L31/022425 , H01L31/022433 , H01L31/03926 , H01L31/206 , H05K1/0393 , H05K1/092 , H05K3/3485 , H05K3/386 , H05K1/165 , H05K2201/0195 , H05K2201/035 , H05K2201/0338 , H05K2201/0391 , H05K2201/10098 , H05K2203/0139 , H05K2203/1105 , H05K2203/1131 , H05K2203/1476 , H05K2203/1545 , Y02E10/50
摘要： A method is disclosed for applying an electrical conductor to an electrically insulating substrate, which comprises providing a flexible membrane with a pattern of groove formed on a first surface thereof, and loading the grooves with a composition comprising conductive particles. The composition is, or may be made, electrically conductive. Once the membrane is loaded, the grooved first surface of the membrane is brought into contact with a front or/and back of the substrate. A pressure is then applied between the substrate and the membrane(s) so that the composition loaded to the grooves adheres to the substrate. The membrane(s) and the substrate are separated and the composition in the groove is left on the surface of the electrically insulating substrate. The electrically conductive particles in the composition are then sintered to form a pattern of electrical conductors on the substrate, the pattern corresponding to the pattern formed in the membrane(s).
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公开(公告)号：US10834824B2
公开(公告)日：2020-11-10
申请号：US16258892
申请日：2019-01-28
IPC分类号： H05K3/20 , H05K3/34 , H05K3/38 , B41M1/12 , H01L31/0224 , H05K1/03 , H05K1/09 , H01L31/0216 , H01L31/0392 , H01L31/20 , H05K1/16
摘要： An apparatus is disclosed for transferring a pattern of a composition containing particles of an electrically conductive material and a thermally activated adhesive from a surface of a flexible web to a surface of a substrate. The apparatus comprises: respective drive mechanisms for advancing the web and the substrate to a nip through which the web and the substrate pass at the same time and where a pressure roller acts to press the surfaces of the web and the substrate against one another, a heating station for heating at least one of the web and the substrate prior to, or during, passage through the nip, to a temperature at which the adhesive in the composition is activated, a cooling station for cooling the web after passage through the nip, and a separating device for peeling the web away from the substrate after passage through the cooling station, to leave the pattern of composition adhered to the surface of the substrate.
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公开(公告)号：US11546999B2
公开(公告)日：2023-01-03
申请号：US17060078
申请日：2020-10-01
IPC分类号： H05K3/20 , H05K3/38 , B41M1/12 , H01L31/0224 , H05K3/34 , H05K1/03 , H05K1/09 , H01L31/0216 , H01L31/0392 , H01L31/20 , H05K1/16
摘要： An apparatus is disclosed for transferring a pattern of a composition containing particles of an electrically conductive material and a thermally activated adhesive from a surface of a flexible web to a surface of a substrate. The apparatus comprises: respective drive mechanisms for advancing the web and the substrate to a nip through which the web and the substrate pass at the same time and where a pressure roller acts to press the surfaces of the web and the substrate against one another, a heating station for heating at least one of the web and the substrate prior to, or during, passage through the nip, to a temperature at which the adhesive in the composition is activated, a cooling station for cooling the web after passage through the nip, and a separating device for peeling the web away from the substrate after passage through the cooling station, to leave the pattern of composition adhered to the surface of the substrate.
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