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公开(公告)号:US20240282537A1
公开(公告)日:2024-08-22
申请号:US18653678
申请日:2024-05-02
申请人: KOA CORPORATION
IPC分类号: H01H37/76
CPC分类号: H01H37/761
摘要: The chip-type current fuse is configured to include a fuse element 5 formed between a first front electrode 3 and a second front electrode 4. The fuse element 5 includes: a first linear portion 5a that has an end connected to the first front electrode 3 and extends in a direction toward the second front electrode 4; a second linear portion 5b that has an end connected to the second front electrode 4 and extends in parallel to the first linear portion 5a in a direction toward the first front electrode 3; and an inclined linear portion 5c that links the first linear portion 5a and the second linear portion 5b to each other. The inclined linear portion 5c is connected at an acute angle to each of the first linear portion 5a and the second linear portion 5b.
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公开(公告)号:US20240248119A1
公开(公告)日:2024-07-25
申请号:US18559922
申请日:2022-04-22
申请人: KOA CORPORATION
发明人: Ryou Osawa
CPC分类号: G01R1/203 , G01R19/0092
摘要: The present invention relates to a current detection device, in particular a current detection device using a shunt resistor. The current detection device (30) includes a resistive element (5) and a pair of electrodes (6, 7). The electrodes (6, 7) have detection areas (24a, 25a) demarcated by first slits (16, 17), second slits (26, 27), and contact surfaces (6a, 7a) that at least partially contacts the resistive element (5). The electrodes (6, 7) further have voltage detection portions (20, 21) arranged in the detection areas (24a, 25a).
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公开(公告)号:US20240210342A1
公开(公告)日:2024-06-27
申请号:US18579171
申请日:2022-06-16
发明人: Tomoichiro Okamoto , Kenichi Iguchi , Yukiko Ota , Ryosuke Komatsu , Zoku Ko , Tetsuro Tanaka
IPC分类号: G01N27/12
CPC分类号: G01N27/125 , G01N27/123
摘要: In a resistive oxygen gas sensor, an oxygen gas detection member for detecting oxygen gas contains, as a main component, a semiconductor material having a composition formula represented by RE(Ba2-x, REx)Cu3O, (wherein, RE is a rare earth element, x is 0≤x≤ 1.2, and y is 6.0≤y≤7.5).
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公开(公告)号:US20240105559A1
公开(公告)日:2024-03-28
申请号:US18371150
申请日:2023-09-21
申请人: KOA CORPORATION
发明人: Hirofumi KUBOTA , Tomonori OGUCHI
IPC分类号: H01L23/495 , H01L23/00
CPC分类号: H01L23/49541 , H01L23/4951 , H01L24/48 , H01L2224/48245 , H01L2924/182
摘要: An electronic component according to an embodiment of the present invention includes: a chip; a die pad to which the chip is secured; a suspension terminal extending from the die pad; a lead terminal electrically connected to the chip; and a dummy terminal, in which the suspension terminal is disposed closer to the dummy terminal than the lead terminal.
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公开(公告)号:US20230338941A1
公开(公告)日:2023-10-26
申请号:US18023749
申请日:2021-08-27
申请人: KAO CORPORATION
发明人: Ryo MIYASATO , Takuto TOJO
IPC分类号: B01J35/00 , B01J21/06 , B01J23/68 , B01J35/02 , B01J37/03 , B01J37/34 , B01J37/36 , C01B3/04 , C01B3/26 , B01J23/00
CPC分类号: B01J35/004 , B01J21/063 , B01J23/682 , B01J35/02 , B01J37/03 , B01J37/342 , B01J37/36 , C01B3/042 , C01B3/26 , B01J23/002 , C01B2203/0277 , C01B2203/1064 , C01B2203/1094 , C01B2203/1223 , B01J2523/24 , B01J2523/55 , B01J2523/47 , B01J2523/828 , B01J2523/18
摘要: The present invention provides a heterojunction photocatalyst having higher photocatalytic activity than that of a conventional heterojunction photocatalyst. Further, the present invention provides a photocatalyst composite having the heterojunction photocatalyst on a substrate, a method for producing the heterojunction photocatalyst, and a method for producing hydrogen using the heterojunction photocatalyst or the photocatalyst composite The het junction photocatalyst of the present invention has a solid mediator between a hydrogen-evolution photocatalyst and an oxygen-evolution photocatalyst, and the solid mediator is selectively joined to an electrons collecting surface of the oxygen-evolution photocatalyst.
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公开(公告)号:US20230335317A1
公开(公告)日:2023-10-19
申请号:US18126517
申请日:2023-03-27
申请人: KOA CORPORATION
发明人: Taro KIMURA
IPC分类号: H01C1/142
CPC分类号: H01C1/142
摘要: A chip resistor 10 comprises: a insulating substrate 1; a pair of upper surface electrodes 2; a resistor 3; a pair of lower surface electrodes 5; a pair of resin electrode layers 6 made of synthetic resin materials containing conductive particles and laminated on the pair of lower surface electrodes 5; a pair of end face electrodes 7; and a pair of external electrodes 8, wherein the pair of the lower surface electrodes 5 is made of metal thin film layers formed as thin films on a mounting surface of the insulating substrate 1, respectively, and includes exposed portions 5a exposed from the resin electrode layers 6, respectively, and the pair of external electrodes 8 is in contact with the exposed portions 5a of the lower surface electrodes 5 and entire surfaces of the resin electrode layers 6, respectively. [Selected drawing] FIG. 1
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公开(公告)号:US20230333143A1
公开(公告)日:2023-10-19
申请号:US18028610
申请日:2021-08-11
申请人: KOA CORPORATION
CPC分类号: G01R1/203 , G01R15/146
摘要: The present invention relates to a jumper element, a shunt resistor apparatus, and a method of adjusting characteristic of a shunt resistor apparatus for current detection. The jumper element (10) for constituting the shunt resistor apparatus for current detection is made of conductive metal material. The jumper element (10) includes: a body structure (11) that can be coupled to a resistance element (5) constituting a part of the shunt resistor apparatus; and a protrusion (12) formed on a side portion of the body structure (11), wherein the protrusion (12) is located so as not to overlap the resistor element (5).
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公开(公告)号:US20230326631A1
公开(公告)日:2023-10-12
申请号:US18022926
申请日:2021-07-16
申请人: KOA CORPORATION
摘要: Provided is a current detection resistor, such as a shunt resistor, wherein a. low specific resistance and a small thermal electromotive force with respect to copper are achieved, while maintaining a low TCR. A resistance alloy for use in a current detection shunt resistor includes 4.5 to 5.5 mass % of manganese, 0.05 to 0.30 mass % of silicon, 0.10 to 0.30 mass % of iron, and a balance being copper, and has a specific resistance of 15 to 25 μΩ·m.
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公开(公告)号:US11742116B2
公开(公告)日:2023-08-29
申请号:US17741568
申请日:2022-05-11
申请人: KOA CORPORATION
发明人: Kazuhisa Ushiyama , Yuta Watanabe
IPC分类号: H01C7/22
CPC分类号: H01C7/22
摘要: The resistor 5 is a print-formed body including a meandering shaped first region 8 connected to the first front electrode 3 and a second region 9 connected to the first region 8 via a linking portion 10 and connected to the second front electrode 4. The first region 8 is provided with an I-cut shaped first trimming groove 11 and the second region 9 is provided with an L-cut shaped second trimming groove 12, and the side of the second region 9 positioned in the direction toward which a turn portion 12b of the second trimming groove 12 extends is an oblique side 9a that inclines to approach the second front electrode 4 as it approaches the connecting portion 7.
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公开(公告)号:US20230187105A1
公开(公告)日:2023-06-15
申请号:US18079245
申请日:2022-12-12
申请人: KOA CORPORATION
发明人: Ryou Osawa
CPC分类号: H01C1/14 , G01R19/0092 , G01R1/203 , H01C1/014
摘要: A shunt resistor capable of reducing an absolute value of a temperature coefficient of resistance is disclosed. The shunt resistor includes: a base structure including a resistance element and a pair of electrodes; a bridge structure configured to bridge the pair of electrodes and made of a conductor; and connections configured to couple the pair of electrodes to the bridge structure. The bridge structure has a higher resistance than a resistance of the base structure at the connections.
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