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公开(公告)号:US11807770B2
公开(公告)日:2023-11-07
申请号:US17331808
申请日:2021-05-27
申请人: Littelfuse, Inc.
IPC分类号: B05D5/12 , C09D175/04 , C09D177/00 , H01H85/143 , B05D1/00 , B05D1/18 , B05D1/30
CPC分类号: C09D175/04 , B05D5/12 , C09D177/00 , H01H85/143 , B05D1/005 , B05D1/18 , B05D1/30
摘要: A method for creating a dielectric thin-film coating for devices having a fusible element is disclosed. The method comprises mixing insoluble and soluble polymers in solid form and exposing the mixture to heat to create a melt mixture. The melt mixture is then dissolved in a solvent to create a slurry which can then be deposited on the device as a thin-film coating to create an interior insulation layer or an external surface.
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公开(公告)号:US11437212B1
公开(公告)日:2022-09-06
申请号:US17395749
申请日:2021-08-06
申请人: Littelfuse, Inc.
IPC分类号: H01H85/041 , H01H69/02
摘要: A surface mount device chip fuse including a dielectric substrate, electrically conductive first and second upper terminals disposed on a top surface of the dielectric substrate and defining a gap therebetween, a fusible element formed of solder disposed on the top surface of the dielectric substrate, within the gap, bridging the first and second upper terminals, and electrically conductive first and second lower terminals disposed on a bottom surface of the dielectric substrate and electrically connected to the first and second upper terminals, respectively, wherein a material of the dielectric substrate exhibits a de-wetting characteristic relative to the solder from which the fusible element is formed.
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