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公开(公告)号：US12131880B2
公开(公告)日：2024-10-29
申请号：US17799745
申请日：2021-04-07
发明人： Xiaoguang Shi , Xibin Ge , Wei Wang , Hui Cao , Ning Wang
摘要： Provided are a fuse and a circuit system. The fuse includes: a housing, a closed chamber being provided in the housing and being filled with an arc extinguishing filler, and a first conductive terminal and a second conductive terminal which are used as a current input end and a current output end being respectively connected to the housing; a melt which is connected in series between the first conductive terminal and the second conductive terminal, at least part of the melt being disposed through the closed chamber; and an impact apparatus, which is arranged in the housing, is positioned outside the closed chamber, and is configured to act, when receiving an excitation signal, on the melt to generate an impact force to make the melt break in the closed chamber.
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公开(公告)号：US20240290565A1
公开(公告)日：2024-08-29
申请号：US18304364
申请日：2023-04-21
发明人： Tzu Yueh CHANG , Weiwei ZHAO
CPC分类号： H01H85/0082 , H01H69/02 , H01H85/17 , H01H85/18 , H01H85/34 , H01H85/38 , H01H2085/388
摘要： An explosion-proof over-current protection element includes a fuse body, a ceramic shell, an explosion-proof layer, an arc-extinguishing layer, and a protection layer. The fuse body includes two electrodes and a fuse wire between the electrodes. The fuse body is integrally formed. The fuse wire is arranged within a cavity of the ceramic shell. The electrodes protrude from inside of the cavity toward outside of the cavity to contact an outer wall of the ceramic shell. The explosion-proof layer is arranged within the cavity and contacts a bottom surface of the cavity. The arc-extinguishing layer is arranged within the cavity and covers the fuse wire. The explosion-proof layer and the arc-extinguishing layer are made of different materials. The protection layer is arranged within the cavity. The arc-extinguishing layer is located between the explosion-proof layer and the protection layer.
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公开(公告)号：US20240234069A9
公开(公告)日：2024-07-11
申请号：US18279276
申请日：2022-03-07
发明人： Yoshihiro YONEDA
IPC分类号： H01H85/055 , H01H85/00
CPC分类号： H01H85/055 , H01H85/0047
摘要： A fuse element includes a low-melting-point metal plate, a first high-melting-point metal layer, and a second high-melting-point metal layer. The low-melting-point metal plate has a first main surface, a second main surface, a first side surface, and a second side surface. The first main surface and the second main surface face each other. The first side surface and the second side surface face each other and each connect the first main surface and second main surface. The first high-melting-point metal layer is disposed on the first main surface and second main surface. The second high-melting-point metal layer is disposed on the first side surface and second side surface. The fuse element has a cut-out portion in which at least a portion of the second high-melting-point metal layer is cut out.
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公开(公告)号：US12020884B2
公开(公告)日：2024-06-25
申请号：US18233885
申请日：2023-08-15
发明人： Bo Zhou
IPC分类号： H01H85/46 , H01H85/00 , H01H85/02 , H01H85/143 , H01L23/62 , H01L23/66 , H04B1/16 , H04B1/3827
CPC分类号： H01H85/46 , H01H85/0095 , H01H85/0241 , H01H85/143 , H01L23/62 , H01L23/66 , H04B1/1607 , H04B1/3833 , H01H2085/0283 , H01L2223/6677
摘要： Fuse programming circuits, devices and methods. In some embodiments, a fuse circuit can include a fuse pad configured to receive a voltage, a fuse having a first end coupled to the fuse pad and a second end coupled to a switching element configured to enable a current to pass from the fuse pad to a ground potential.
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公开(公告)号：US11996254B2
公开(公告)日：2024-05-28
申请号：US18346298
申请日：2023-07-03
IPC分类号： H01H85/048 , H01H85/00 , H01H85/02 , H02H9/04
CPC分类号： H01H85/048 , H01H85/0052 , H01H85/0241 , H02H9/042
摘要： A method comprises: forming a first metallization layer on a semiconductor die, the first metallization layer including a metal fuse; and forming a second metallization layer on the first metallization layer, in which the second metallization layer includes a thermal conductor spaced from the metal fuse, and the first metallization layer is between the second metallization layer and the semiconductor die.
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公开(公告)号：US20230420208A1
公开(公告)日：2023-12-28
申请号：US18367824
申请日：2023-09-13
发明人： Chang Bog Lee , Sang Eun Jung , Sung Gyu Kim
IPC分类号： H01H85/046 , H01H85/20 , H01H85/02 , H01H85/00 , H01M50/583
CPC分类号： H01H85/046 , H01H85/20 , H01H85/0241 , H01H85/0013 , H01M50/583 , H01H2085/0275
摘要： A pattern fuse includes a lower film layer, an adhesive layer stacked on the lower film layer, a circuit pattern made of a conductive material and provided on the adhesive layer, an upper film layer stacked on the adhesive layer and the circuit pattern and a coating layer configured to cover the opening of the upper film layer, wherein the coating layer includes a flame retardant material. The upper film layer has an opening formed therein that is configured to allow a part or the entirety of the circuit pattern to be exposed therethrough. A method of manufacturing the pattern fuse is also provided.
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公开(公告)号：US20230343539A1
公开(公告)日：2023-10-26
申请号：US18346298
申请日：2023-07-03
IPC分类号： H01H85/02 , H01H85/00 , H02H9/04 , H01H85/048
CPC分类号： H01H85/048 , H01H85/0052 , H01H85/0241 , H02H9/042
摘要： A method comprises: forming a first metallization layer on a semiconductor die, the first metallization layer including a metal fuse; and forming a second metallization layer on the first metallization layer, in which the second metallization layer includes a thermal conductor spaced from the metal fuse, and the first metallization layer is between the second metallization layer and the semiconductor die.
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公开(公告)号：US20230197392A1
公开(公告)日：2023-06-22
申请号：US17925133
申请日：2021-05-26
发明人： Yutaka WADA , Yoshihiro YONEDA
IPC分类号： H01H85/00 , H01H85/055
CPC分类号： H01H85/0039 , H01H85/055
摘要： A protective element includes a fuse element, a movable member, a concave member, and a press. The fuse member includes, a first end, a second end, and a cut part positioned between the first end and the second end. The fuse element is energized in a first direction from the first end to the second end. The movable member and the concave member are disposed facing each other such that the cut part is interposed therebetween. The press applies a force to the movable member in a pressing direction in which a distance between the movable member and the concave member shortens. At a temperature at or above a softening temperature of the fuse element, the cut part is cut by the force of the press.
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公开(公告)号：US20230099861A1
公开(公告)日：2023-03-30
申请号：US17490157
申请日：2021-09-30
IPC分类号： H01H85/048 , H01H85/00 , H01H85/02 , H02H9/04
摘要： An electronic device includes an input, an output, a metal fuse, a resistor, a heat control transistor, and a heat controller. The metal fuse is coupled between the input and the output. The resistor is coupled between the metal fuse and the heat control transistor. The heat control transistor is coupled between the resistor and a reference terminal of the electronic device, and the heat controller is configured to control a heater current of the heat control transistor.
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公开(公告)号：US20220294195A1
公开(公告)日：2022-09-15
申请号：US17653592
申请日：2022-03-04
申请人： ABB Schweiz AG
IPC分类号： H02B13/035 , H01H33/56 , H01H85/00 , H02B5/06
摘要： A switch-fuse module and a ring main unit. The switch-fuse module includes: a housing having therein a switch enclosure including an insulating gas and a cable compartment that is different and separate from the switch enclosure; at least one switch disconnector arranged within the switch enclosure; and at least one fuse canister with a vertically oriented longitudinal axis; wherein the fuse canister i) is adapted to receive a fuse, and ii) is arranged within the cable compartment, and the insulating gas has a global warming potential less than a global warming potential of SF6.
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