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1. 发明专利

JP2020010004A 抵抗器及び回路基板审中-公开
公开(公告)号：JP2020010004A
公开(公告)日：2020-01-16
申请号：JP2018132594
申请日：2018-07-12
申请人： KOA CORP
发明人： MATSUBARA SHUHEI , NAKAMURA KEIJI
IPC分类号： H01C1/14 , H01C3/00
摘要：【課題】より高いレベルで抵抗特性の安定化が実現可能な抵抗器を提供すること。【解決手段】本発明の一態様としての抵抗器は、絶縁基板と、抵抗体材料から形成された抵抗体層と、前記絶縁基板と前記抵抗体層とを接合する接合層とを備え、前記抵抗体層のシート抵抗に対する前記接合層のシート抵抗の比が100以上になるように形成されている。【選択図】図1

2. 发明专利

JP2009216620A Shunt resistor device 审中-公开
标题翻译：分流电阻器件
公开(公告)号：JP2009216620A
公开(公告)日：2009-09-24
申请号：JP2008062199
申请日：2008-03-12
申请人： Koa Corp , コーア株式会社
发明人： NAKAMURA KEIJI
IPC分类号： G01R15/14
摘要： PROBLEM TO BE SOLVED: To provide a small and compact shunt resistor device with a reduced weight can easily detect a large current, can be inserted in the middle of a cable so as to be used, and including a connection part to the cable. SOLUTION: The shunt resistor device includes a resistor 11 including a resistive alloy, tubular electrodes 12, 13 joined to the outer circumferential surface of the resistor at both sides in the axial direction, detection parts 15, 16 for connecting voltage detection wiring provided on the outer circumferential surfaces of the electrodes 12, 13, and the connection part of the cable comprising a space S of the electrodes 12, 13. A bus bar 33a provided at the chip of a conductor 31a or the cable is inserted into the connection part and fixed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供重量轻的小型紧凑型分流电阻器件，可以容易地检测大电流，可以插入电缆的中间以便使用，并且包括连接部分电缆。解决方案：分流电阻器件包括电阻器11，其包括电阻合金，在轴向两端连接到电阻器的外圆周表面的管状电极12,13;用于连接电压检测布线的检测部分15,16 设置在电极12,13的外周表面上，以及电缆的连接部分包括电极12,13的空间S.设置在导体31a或电缆芯片处的汇流条33a插入连接部分固定。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2007103976A Chip resistor 有权
标题翻译：芯片电阻
公开(公告)号：JP2007103976A
公开(公告)日：2007-04-19
申请号：JP2007010798
申请日：2007-01-19
申请人： Koa Corp , コーア株式会社
发明人： NAKAMURA KEIJI
IPC分类号： H01C3/00
摘要： PROBLEM TO BE SOLVED: To provide a chip resistor with high current measurement accuracy. SOLUTION: A shunt resistor 100 is composed of a resistor made of a noble metal alloy or a metal alloy represented by 110, high conductivity electrodes represented by 121 and 122, and molten solder materials represented by 131 and 132. The resistor 110 and the electrodes 121 and 122 are firmly joined. A notch for adjusting resistance is not provided to the resistor. Therefore, the shunt resistor 100 exhibits a low resistance value, is small in TCR value and resistance value changing rate; and is suitable for accurately measuring large current. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有高电流测量精度的片式电阻器。分流电阻器100由由110表示的贵金属合金或金属合金制成的电阻器，由121和122表示的高电导率电极和由131和132表示的熔融焊料材料组成。电阻器110 并且电极121和122牢固地接合。电阻器没有提供用于调整电阻的缺口。因此，分流电阻100呈现低电阻值，TCR值和电阻值变化率小; 适用于精确测量大电流。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2002057009A RESISTOR AND METHOD OF MANUFACTURING THE SAME 失效
公开(公告)号：JP2002057009A
公开(公告)日：2002-02-22
申请号：JP2000239076
申请日：2000-08-07
申请人： KOA CORP
发明人： NAKAMURA KEIJI
IPC分类号： H01C1/14 , H01C3/00 , H01C17/00 , H01C17/24
摘要： PROBLEM TO BE SOLVED: To provide a shunt resistor for large current measurement having good characteristics and a method for manufacturing the resistor. SOLUTION: The shut resistor 100 is constituted by a resistor 110 made of an alloy of a noble metal or a metal, high-conductivity electrodes 121 and 122, and molten 131 and 132. The resistor 110 and electrodes 121 and 122 are firmly joined to each other and the resistor 110 has no resistance adjusting notch. Consequently, the resistor 100 shows a low resistance value and a low resistance value changing rate, has a small TCR value, and, accordingly, is suitable for measuring large currents with accuracy.

5. 发明专利

JP2001332409A LOW-RESISTANCE RESISTOR 失效
公开(公告)号：JP2001332409A
公开(公告)日：2001-11-30
申请号：JP2000148279
申请日：2000-05-19
申请人： KOA CORP
发明人： NAKAMURA KEIJI , HARA MASAHIKO , TATSUKUCHI MIKIO , TAKAGI KATSUMI , KITAHARA MASANORI , SHIBA YUUKI , NEHASHI KAZUNARI , FURUBAYASHI TAKAHIKO , HAYASHI ATSUNORI
IPC分类号： H01C17/22
摘要： PROBLEM TO BE SOLVED: To provide a low-resistance resistor which can stably form a current route even when the resistor is used under a high current and, and at the same time, the resistance value of which can be adjusted over a wide range by trimming. SOLUTION: On this low-resistance resistor composed of a metallic material 11, parallel trimming grooves 12 are formed in the flowing direction of an electric current which flows through the resistor.

6. 发明专利

JP2001118701A LOW-RESISTANCE RESISTOR FOR DETECTING CURRENT AND ITS MANUFACTURING METHOD 失效
公开(公告)号：JP2001118701A
公开(公告)日：2001-04-27
申请号：JP29687599
申请日：1999-10-19
申请人： KOA CORP
发明人： NAKAMURA KEIJI , TATSUKUCHI MIKIO , TAKAGI KATSUMI , KAWAGUCHI HIDEJI , KATO HIROSHI
IPC分类号： H01C1/144 , H01C3/00 , H01C7/00 , H01C17/06 , H01C17/14
摘要： PROBLEM TO BE SOLVED: To provide a low-resistance resistor for detecting current which can be reduced in manufacturing cost by simplifying its manufacturing process and reducing the number of parts and, at the same time, can be improved in heat radiating property, and a method for manufacturing the resistor. SOLUTION: A low-resistance resistor 1 for measuring current has a recessed groove 3 formed by cutting the central part of the rear surface of a rectangular flat metallic resistance body 2 having a thickness of about 1-2 mm. On the front surface of the resistance body 2, a pair of electrode pads 4 and 4 for bonding is formed by successively plating copper and nickel in the central parts of both end sections. On the rear surface of the body 2, in addition, a pair of electrodes 5 and 5 to be connected to a printed board, etc., is formed by successively plating copper, nickel, and solder in both end sections on both sides of the groove 3.

7. 发明专利

JP2014059269A Resistor for current detection 有权
标题翻译：电流检测电阻
公开(公告)号：JP2014059269A
公开(公告)日：2014-04-03
申请号：JP2012205811
申请日：2012-09-19
申请人： Koa Corp , コーア株式会社
发明人： HIRASAWA KOICHI , NAKAMURA KEIJI
IPC分类号： G01R15/14
CPC分类号： G01R1/203 , G01R19/0092
摘要： PROBLEM TO BE SOLVED: To provide a resistor for current detection including a voltage terminal member capable of removing the influence of an error voltage formed of a small amount of self-inductance existing in the resistor.SOLUTION: The resistor for current detection includes: a resistor 11; a pair of electrodes 12 respectively fixed to both ends of the resistor; and a pair of voltage terminal members 3 respectively connected to the electrodes for detecting a voltage generated in the resistor. The voltage terminal members 3 include: connection parts 3b with the electrodes 12; and extended parts 3c1 and 3c2 extended from the connection parts to the other electrode side. The terminal of each of the extended parts reaches the same plane X vertical to a current path between the electrodes.
摘要翻译：要解决的问题：提供一种用于电流检测的电阻器，包括能够消除由电阻器中存在的少量自感所形成的误差电压的影响的电压端子构件。解决方案：用于电流检测的电阻器包括：电阻11; 分别固定在电阻器两端的一对电极12; 以及分别连接到电极的一对电压端子构件3，用于检测在电阻器中产生的电压。电压端子构件3包括：与电极12连接的连接部3b; 以及从连接部分延伸到另一电极侧的延伸部分3c1和3c2。每个延伸部分的端子达到与电极之间的电流路径垂直的相同的平面X。

8. 发明专利

JP2010050469A Method of manufacturing resistor for current detection 有权
标题翻译：电流检测电阻的制作方法
公开(公告)号：JP2010050469A
公开(公告)日：2010-03-04
申请号：JP2009239123
申请日：2009-10-16
申请人： Koa Corp , コーア株式会社
发明人： NAKAMURA KEIJI , TATSUKUCHI MIKIO , TAKAGI KATSUMI , KAWAGUCHI HIDEJI , KATO HIROSHI
IPC分类号： H01C17/00 , H01C3/00
摘要： PROBLEM TO BE SOLVED: To provide a resistor for current detection simple in a manufacturing process, small in the number of components, capable of reducing manufacturing cost, and excelling in a heat radiation property; and a method of manufacturing the same. SOLUTION: This method of manufacturing a resistor for current detection includes processes of: preparing a metal plate 11 formed of a metallic resistor material, and having a front surface and a back surface; forming a resist or mask in a strip-like shape on the back surface of the metal plate; forming strip-like connecting electrodes 5 by a plating treatment on the back surface of the metal plate with the resist or mask formed thereon; and providing the chip-like resistors for current detection each including a metallic resistor and a pair of connecting electrodes from the metal plate. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了在制造过程中简单地提供用于电流检测的电阻器，能够降低制造成本并且具有优异的散热性能的部件数量少; 及其制造方法。制造用于电流检测的电阻器的方法包括以下步骤：制备由金属电阻材料形成并具有前表面和后表面的金属板11; 在金属板的背面上形成条状的抗蚀剂或掩模; 通过在其上形成有抗蚀剂或掩模的金属板的背面上进行电镀处理来形成带状连接电极5; 并且提供用于电流检测的片状电阻器，每个包括来自金属板的金属电阻器和一对连接电极。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009182144A Resistor and method of manufacturing the same 审中-公开
标题翻译：电阻及其制造方法
公开(公告)号：JP2009182144A
公开(公告)日：2009-08-13
申请号：JP2008019653
申请日：2008-01-30
申请人： Koa Corp , コーア株式会社
发明人： NAKAMURA KEIJI
IPC分类号： H01C3/14
CPC分类号： H01C17/28 , H01C1/14 , H01C1/148
摘要： PROBLEM TO BE SOLVED: To provide a resistor, which includes an electrode capable of being connected to the wiring pattern of a mounting substrate, other than the lower surface of the resistor, while a resistor with a low resistance value can be produced with precision by a simple manufacturing process, and to provide a method of manufacturing the same.
SOLUTION: The resistor includes a resistor 11 of a rod form consisting of a resistor alloy material, and cylindrical electrodes 12a, 12b bonded to the outer circumference surface of both ends of the resistor, where the electrodes 12a, 12b and the resistor 11 are bonded by a rotary swaging process. The resistor 11 includes a part 11a with a small diameter and parts 11b, 11c with a larger diameter at its both ends. The electrodes 12a, 12b are bonded to the outer circumference surface of the parts with the larger diameter by the rotary swaging process.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种电阻器，其包括能够连接到安装基板的布线图案的电极，而不是电阻器的下表面，而可以产生具有低电阻值的电阻器通过简单的制造工艺具有精度，并提供其制造方法。解决方案：电阻器包括由电阻合金材料构成的棒状电阻器11，以及与电阻器两端的外周表面接合的圆柱形电极12a，12b，其中电极12a，12b和电阻器 11通过旋转锻造工艺粘合。电阻器11包括具有小直径的部分11a和在其两端具有较大直径的部分11b，11c。电极12a，12b通过旋转锻造工艺被接合到具有较大直径的部件的外圆周表面上。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008016590A Resistor 审中-公开
标题翻译： RESISTOR
公开(公告)号：JP2008016590A
公开(公告)日：2008-01-24
申请号：JP2006185338
申请日：2006-07-05
申请人： Koa Corp , コーア株式会社
发明人： NAKAMURA KEIJI , KISHI KENJI
IPC分类号： H01C3/00 , H01C1/14
摘要： PROBLEM TO BE SOLVED: To provide a metallic plate resistor which uses a copper-nickel alloy as a resistance alloy, reduces heat generated in a current inflow side electrode by the Peltier effect upon current application, reduces a detection/measurement error caused by a thermoelectromotive force, and also increase a reliability.
SOLUTION: A metallic plate resistor 10 comprises: a resistance body 11 made of a copper-nickel alloy; and copper electrodes 12, 13 joined to both ends of the resistance body 11. The influence by a thermoelectromotive force on a joint surface between the copper-nickel alloy and copper is suppressed by making the inflow side electrode 12 of a current as a resistor detection target substantially larger than the outflow side electrode 13. The current inflow side electrode 12 is made in volume ratio substantially 200 times or more than the outflow side electrode 13.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供使用铜镍合金作为电阻合金的金属板电阻器，当前施加时，通过珀耳帖效应减少在流入侧电极中产生的热量，从而减少了检测/测量误差通过热电动势，并且还增加可靠性。解决方案：金属板电阻器10包括：由铜 - 镍合金制成的电阻体11; 以及与电阻体11的两端接合的铜电极12,13。通过使电流的流入侧电极12作为电阻检测来抑制热电动势对铜镍合金和铜之间的接合面的影响目标基本上大于流出侧电极13.电流流入侧电极12的体积比基本上大约为流出侧电极的200倍或更多。版权所有：（C）2008，JPO＆INPIT

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