JPH08124704A - Resistor - Google Patents
ResistorInfo
- Publication number
- JPH08124704A JPH08124704A JP6263592A JP26359294A JPH08124704A JP H08124704 A JPH08124704 A JP H08124704A JP 6263592 A JP6263592 A JP 6263592A JP 26359294 A JP26359294 A JP 26359294A JP H08124704 A JPH08124704 A JP H08124704A
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- electrode portions
- resistance
- base body
- resistance substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/10—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Adjustable Resistors (AREA)
- Details Of Resistors (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば電流検出、スイ
ッチング電源、インバータなどに用いられるミリオーム
（ｍΩ）オーダの低抵抗値の抵抗器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resistor having a low resistance value on the order of milliohms (mΩ) used for current detection, switching power supplies, inverters and the like.
【０００２】[0002]
【従来の技術】従来のこの種の低抵抗値の抵抗器は、絶
縁基体に抵抗線を巻回し、または絶縁基板に抵抗被膜を
塗布して形成した構造が採られていたが、このような構
造の抵抗器ではミリオーム（ｍΩ）オーダの抵抗値を精
度よく製造することが困難であった。2. Description of the Related Art A conventional low resistance resistor of this type has a structure in which a resistance wire is wound around an insulating substrate or a resistance coating is applied on an insulating substrate. It has been difficult to accurately manufacture a resistance value on the order of milliohms (mΩ) with a resistor having a structure.
【０００３】そこで、例えば実開平４−９９５０３号公
報に記載されているように、抵抗線を略コ字型に折曲げ
て両端に電極部を形成し、この両電極部を回路基板に形
成した接続孔に挿通して半田にて回路基板の配線パター
ンに接続するようにした抵抗器が提案されている。Therefore, as described in, for example, Japanese Utility Model Laid-Open No. 4-99503, the resistance wire is bent into a substantially U shape to form electrode portions on both ends, and both electrode portions are formed on a circuit board. A resistor has been proposed which is inserted into a connection hole and is connected to a wiring pattern of a circuit board by soldering.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記抵
抗線を略コ字型に折曲げて両端に電極部を形成した構造
の抵抗器では回路基板に表面実装することができない問
題がある。However, there is a problem that a resistor having a structure in which the resistance wire is bent into a substantially U shape and electrode portions are formed at both ends cannot be surface-mounted on a circuit board.
【０００５】そこで、直線状の細長抵抗基体にて形成
し、この細長抵抗基体の両端部に電極部を形成すること
が考えられる。しかしながら、配線基板の配線パターン
の抵抗器を接続する電極接続部間の間隔は一般に10mm程
度であり、細長抵抗基体の抵抗値の調整には抵抗基体の
長さを変えなくてはならず、両端の電極部間の長さを変
化させると配線パターンに接続できなくなる問題を有し
ている。Therefore, it is conceivable to form a linear elongated resistance substrate and form electrode portions at both ends of this elongated resistance substrate. However, the distance between the electrode connection parts that connect the resistors of the wiring pattern of the wiring board is generally about 10 mm, and the length of the resistance base must be changed to adjust the resistance value of the elongated resistance base. If the length between the electrode portions is changed, there is a problem that the wiring pattern cannot be connected.
【０００６】本発明は上記問題点に鑑みなされたもの
で、表面実装が可能でかつ抵抗値の調整が容易なミリオ
ーム（ｍΩ）オーダの抵抗値の抵抗器を提供するもので
ある。The present invention has been made in view of the above problems, and provides a resistor having a resistance value of the order of milliohms (mΩ), which can be surface-mounted and whose resistance value can be easily adjusted.
【０００７】[0007]
【課題を解決するための手段】請求項１記載の発明の抵
抗器は、細長抵抗基体の両端部に電極部を形成し、この
両電極部間を長手方向に沿って上下方向に向って交互に
凹凸状に屈曲したものである。According to a first aspect of the present invention, there is provided a resistor having electrode portions formed at both ends of an elongated resistor base, and the two electrode portions are alternately arranged in the vertical direction along the longitudinal direction. It is bent in an uneven shape.
【０００８】請求項２記載の発明の抵抗器は、請求項１
記載の抵抗器において、細長抵抗基体は線材である。The resistor according to the second aspect of the invention is the resistor according to the first aspect.
In the described resistor, the elongated resistance substrate is a wire.
【０００９】請求項３記載の発明の抵抗器は、請求項１
記載の抵抗器において、細長抵抗基体は板状材である。The resistor according to the third aspect of the invention is the resistor according to the first aspect.
In the described resistor, the elongated resistance substrate is a plate-shaped material.
【００１０】請求項４記載の発明の抵抗器は、請求項１
記載の抵抗器において、細長抵抗基体は銅−ニッケル系
の合金である。The resistor according to claim 4 is the resistor according to claim 1.
In the described resistor, the elongate resistive substrate is a copper-nickel based alloy.
【００１１】請求項５記載の発明の抵抗器は、請求項１
記載の抵抗器において、細長抵抗基体はニッケル−クロ
ム系の合金である。A resistor according to a fifth aspect of the present invention is the resistor according to the first aspect.
In the described resistor, the elongated resistive substrate is a nickel-chromium based alloy.
【００１２】[0012]
【作用】本発明の抵抗器は、細長抵抗基体の両端部に電
極部を形成したので、配線基板の配線パターンに表面実
装により装着でき、両電極部間の長手方向に沿って上下
方向に向って交互に凹凸状に屈曲した屈曲高さを調整す
ることにより細長抵抗基体の実質長さが変わり、この細
長抵抗基体の長さにより抵抗値の調整ができる。In the resistor of the present invention, since the electrode portions are formed on both ends of the elongated resistance substrate, the resistor can be mounted on the wiring pattern of the wiring substrate by surface mounting, and can be vertically oriented along the longitudinal direction between both electrode portions. By adjusting the bending height which is alternately bent in a concavo-convex shape, the substantial length of the elongated resistance substrate changes, and the resistance value can be adjusted by the length of this elongated resistance substrate.
【００１３】[0013]
【実施例】次に本発明の一実施例の構成を図１に基いて
説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the structure of one embodiment of the present invention will be described with reference to FIG.
【００１４】１は細長抵抗基体で、この抵抗基体１は例
えば５０：５０モル％の銅（Cu）とニッケル（Ni）系の
合金線またはニッケル（Ni）−クロム（Cr）系の合金線
からなる線材にて形成され、この抵抗基体１の両端部に
は半田を被着して電極部２，３が形成されている。Reference numeral 1 denotes an elongated resistance substrate, which is made of, for example, 50:50 mol% of copper (Cu) and nickel (Ni) alloy wire or nickel (Ni) -chromium (Cr) alloy wire. The resistance base body 1 is formed of a wire rod, and the electrode portions 2 and 3 are formed on both ends of the resistance base body 1 by soldering.
【００１５】この両電極部２，３間は長手方向に沿って
上下方向に向って山部４と谷部５からなる凹凸状に交互
に屈曲した波形形状に形成されている。A space between the two electrode portions 2 and 3 is formed in a corrugated shape which is bent alternately in the vertical direction along the lengthwise direction and has peaks 4 and valleys 5.
【００１６】そして、図２に示すようにこの抵抗基体１
の両端の電極部２，３間の長さＬ1は、例えば10mmと
し、両電極部２，３の両端部間の長さＬ2 を13mmとす
る。また、凹凸状の上向きの山部４または下向きの山部
５の高さＨを例えば１mmとする。Then, as shown in FIG.
The length L 1 between the electrode portions 2 and 3 at both ends is, for example, 10 mm, and the length L 2 between the both end portions of both electrode portions 2 and 3 is 13 mm. Further, the height H of the upward and downward peaks 4 or the downward peaks 5 of the unevenness is, for example, 1 mm.
【００１７】次にこの実施例の作用を説明する。Next, the operation of this embodiment will be described.
【００１８】配線基板の配線パターンに表面実装する場
合には、抵抗基体１の両端部には半田を被着して形成し
た電極部２，３を配線パターンの電極接続部に半田接続
する。このとき、抵抗基体１の両端の電極部２，３間の
長さを10mmとすれば、一般に採用されている配線パター
ンの電極接続部間の間隔に一致して確実に表面実装でき
る。In the case of surface mounting on the wiring pattern of the wiring board, the electrode portions 2 and 3 formed by applying solder to the both ends of the resistance substrate 1 are soldered to the electrode connection portions of the wiring pattern. At this time, if the length between the electrode portions 2 and 3 at both ends of the resistance substrate 1 is 10 mm, the surface mounting can be surely performed in conformity with the distance between the electrode connecting portions of the generally adopted wiring pattern.
【００１９】また、抵抗器の抵抗値（Ｒ）を調整する場
合には、両電極部２，３間の長手方向に沿って上下方向
に向って交互に凹凸状に屈曲した上向きの山部４または
下向きの山部５或いは両方の屈曲高さＨを調整するこ
と、例えば、0.8mm または1.2mm ことにより細長抵抗基
体１の実質長さが変わり、この細長抵抗基体１の電極部
間の寸法を変えることなく細長抵抗基体１の長さにより
抵抗値の調整ができる。Further, when the resistance value (R) of the resistor is adjusted, the upward ridge portion 4 which is bent in an uneven shape alternately in the vertical direction along the longitudinal direction between the two electrode portions 2 and 3. Alternatively, by adjusting the bending height H of the downward ridge portion 5 or both, for example, 0.8 mm or 1.2 mm, the substantial length of the elongated resistance substrate 1 is changed, and the dimension between the electrode portions of this elongated resistance substrate 1 is changed. The resistance value can be adjusted by changing the length of the elongated resistance substrate 1 without changing it.
【００２０】次に他の実施例を図３について説明する。Next, another embodiment will be described with reference to FIG.
【００２１】11は細長抵抗基体で、この抵抗基体11は例
えば５０：５０モル％の銅（Cu）とニッケル（Ni）系の
合金板材またはニッケル（Ni）−クロム（Cr）系の合金
板材からなる板状材にて形成され、この抵抗基体11の両
端部には半田を被着して電極部12，13が形成されてい
る。Reference numeral 11 denotes an elongated resistance substrate. This resistance substrate 11 is made of, for example, 50:50 mol% of copper (Cu) and nickel (Ni) alloy plate material or nickel (Ni) -chromium (Cr) alloy plate material. The resistor base 11 has electrodes 12 and 13 formed on both ends by soldering.
【００２２】この両電極部12，13間は長手方向に沿って
上下方向に向って上向きの山部14と下向きの山部15から
なる凹凸状に交互に屈曲した波形形状に形成されてい
る。A space between the two electrode portions 12 and 13 is formed in a corrugated shape which is alternately bent in a concavo-convex shape and is composed of upwardly facing ridges 14 and downwardly extending ridges 15 along the longitudinal direction.
【００２３】そして、前記実施例と同様に、この抵抗基
体１の両端の電極部12，13間の長さＬ1 は、例えば10mm
とし、両電極部12，13の両端部間の長さＬ2 を13mmとす
る。また、凹凸状の山部14，15の高さＨは例えば１mmと
する。Then, as in the above embodiment, the length L 1 between the electrode portions 12 and 13 at both ends of the resistance substrate 1 is, for example, 10 mm.
And the length L 2 between both ends of both electrode portions 12 and 13 is 13 mm. Further, the height H of the uneven crests 14 and 15 is, for example, 1 mm.
【００２４】次にこの実施例の作用を説明する。Next, the operation of this embodiment will be described.
【００２５】この実施例でも、抵抗基体11の両端部の電
極部12，13を配線パターンの電極接続部に半田接続す
る。このとき、抵抗基体11の両端の電極部12，13間の長
さを10mmとすれば、一般に採用されている配線パターン
の電極接続部間の間隔に一致して確実に表面実装でき
る。Also in this embodiment, the electrode portions 12 and 13 at both ends of the resistance substrate 11 are soldered to the electrode connection portions of the wiring pattern. At this time, if the length between the electrode portions 12 and 13 at both ends of the resistance substrate 11 is set to 10 mm, the surface mounting can be surely performed in conformity with the distance between the electrode connecting portions of the generally adopted wiring pattern.
【００２６】また、同様に抵抗器の抵抗値（Ｒ）を調整
する場合には、両電極部12，13間の長手方向に沿って上
下方向に向って交互に凹凸状に屈曲した山部14，15の屈
曲高さＨを調整することにより細長抵抗基体１の電極部
間の寸法を変えることなく細長抵抗基体11の実質長さを
変えてこの細長抵抗基体11の抵抗値の調整ができる。Similarly, in the case of adjusting the resistance value (R) of the resistor, the mountain portion 14 is alternately bent in the up-down direction along the longitudinal direction between the electrode portions 12 and 13 in an uneven shape. , 15 by adjusting the bending height H of the elongated resistance substrate 1, the actual length of the elongated resistance substrate 11 can be changed without changing the dimension between the electrode portions of the elongated resistance substrate 1 to adjust the resistance value of the elongated resistance substrate 11.
【００２７】[0027]
【発明の効果】本発明によれば、細長抵抗基体の両端部
に電極部が形成されているので、配線基板の配線パター
ンに表面実装により装着でき、両電極部間の長手方向に
沿って上下方向に向って交互に凹凸状に屈曲した屈曲高
さを調整することにより電極部間の寸法を変えることな
く細長抵抗基体の実質長さを変えて抵抗値の調整がで
き、表面実装が可能で抵抗値調整も容易にできる精度の
高いミリオーム（ｍΩ）オーダの抵抗値の抵抗器が得ら
れる。EFFECTS OF THE INVENTION According to the present invention, since the electrode portions are formed at both ends of the elongated resistance substrate, it can be mounted on the wiring pattern of the wiring board by surface mounting, and can be vertically moved along the longitudinal direction between both electrode portions. By adjusting the bending height, which is bent in a concavo-convex pattern alternately in the direction, the resistance value can be adjusted by changing the actual length of the elongated resistor base without changing the dimension between the electrode parts, and surface mounting is possible. It is possible to obtain a highly accurate resistor having a resistance value of the order of milliohm (mΩ) that can be easily adjusted.
【図１】本発明の一実施例を示す抵抗器の斜視図であ
る。FIG. 1 is a perspective view of a resistor showing an embodiment of the present invention.
【図２】同上正面図である。FIG. 2 is a front view of the same.
【図３】本発明の他の実施例を示す抵抗器の斜視図であ
る。FIG. 3 is a perspective view of a resistor showing another embodiment of the present invention.
１，11 細長抵抗基体 ２，３，12，13 電極部 1,11 Slender resistor base 2,3,12,13 Electrode part
Claims (5)
し、この両電極部間を長手方向に沿って上下方向に向っ
て交互に凹凸状に屈曲したことを特徴とする抵抗器。1. A resistor, characterized in that electrode portions are formed on both ends of an elongated resistance substrate, and the electrode portions are alternately bent along the longitudinal direction in a vertical direction in an uneven shape.
する請求項１記載の抵抗器。2. The resistor according to claim 1, wherein the elongated resistance substrate is a wire rod.
とする請求項１記載の抵抗器。3. The resistor according to claim 1, wherein the elongated resistance substrate is a plate-shaped material.
あることを特徴とする請求項１記載の抵抗器。4. The resistor according to claim 1, wherein the elongated resistance substrate is a copper-nickel alloy.
金であることを特徴とする請求項１記載の抵抗器。5. The resistor according to claim 1, wherein the elongated resistance substrate is a nickel-chromium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26359294A JP3302198B2 (en) | 1994-10-27 | 1994-10-27 | Surface mount resistor and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26359294A JP3302198B2 (en) | 1994-10-27 | 1994-10-27 | Surface mount resistor and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08124704A true JPH08124704A (en) | 1996-05-17 |
| JP3302198B2 JP3302198B2 (en) | 2002-07-15 |
Family
ID=17391694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26359294A Expired - Fee Related JP3302198B2 (en) | 1994-10-27 | 1994-10-27 | Surface mount resistor and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3302198B2 (en) |
-
1994
- 1994-10-27 JP JP26359294A patent/JP3302198B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3302198B2 (en) | 2002-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7326999B2 (en) | Chip resistor and method for manufacturing same | |
| EP1950771A1 (en) | Chip resistor and its manufacturing method | |
| US7342480B2 (en) | Chip resistor and method of making same | |
| JP4391918B2 (en) | Current detection resistor | |
| JPH08124704A (en) | Resistor | |
| JPH03196482A (en) | High-tension electrode | |
| JP3838559B2 (en) | Chip resistor having low resistance value and manufacturing method thereof | |
| JP3340072B2 (en) | PCB socket | |
| JP2935143B2 (en) | Square chip resistor and method of manufacturing the same | |
| JP3411981B2 (en) | Terminal block for surface mounting, surface mounting board, and power supply device using the same | |
| JPH0644031Y2 (en) | Conductive terminal of anti-fog glass | |
| JP2007142165A (en) | Chip resistor and its manufacturing method | |
| JP2001176701A (en) | Resistor and manufacturing method therefor | |
| JPH0221114B2 (en) | ||
| JP2002075714A (en) | Low resistor and its manufacturing method | |
| JPH0236241Y2 (en) | ||
| KR19980067182U (en) | Printed circuit board | |
| JPH0319241Y2 (en) | ||
| CN212456396U (en) | LED lamp strip | |
| JPH10177901A (en) | Electronic part | |
| JPS5843762Y2 (en) | Chip type positive temperature coefficient thermistor | |
| JPH0732054Y2 (en) | Thermal head feed line connection structure | |
| JPH0714940A (en) | Hybrid ic | |
| JP2007141909A (en) | Resistor and method of manufacturing same | |
| JP2681178B2 (en) | Transistor mounting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080426 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090426 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090426 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100426 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100426 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110426 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120426 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120426 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130426 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130426 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140426 Year of fee payment: 12 |
|
| LAPS | Cancellation because of no payment of annual fees |