JPH0219921Y2 - - Google Patents

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Publication number
JPH0219921Y2
JPH0219921Y2 JP1984142697U JP14269784U JPH0219921Y2 JP H0219921 Y2 JPH0219921 Y2 JP H0219921Y2 JP 1984142697 U JP1984142697 U JP 1984142697U JP 14269784 U JP14269784 U JP 14269784U JP H0219921 Y2 JPH0219921 Y2 JP H0219921Y2
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JP
Japan
Prior art keywords
resistor
electrodes
vertical
resistance value
horizontal
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.)
Expired
Application number
JP1984142697U
Other languages
Japanese (ja)
Other versions
JPS6157501U (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984142697U priority Critical patent/JPH0219921Y2/ja
Publication of JPS6157501U publication Critical patent/JPS6157501U/ja
Application granted granted Critical
Publication of JPH0219921Y2 publication Critical patent/JPH0219921Y2/ja
Expired legal-status Critical Current

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  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Non-Adjustable Resistors (AREA)

Description

【考案の詳細な説明】 (イ) 産業上の利用分野 この考案は、抵抗器に関し、特にトリミング形
状に係るものである。
[Detailed description of the invention] (a) Industrial application field This invention relates to resistors, and particularly relates to trimming shapes.

(ロ) 従来の技術 一般に例えば、チツプ抵抗器は第2図及び第3
図に示すように、基板の両側に一対の電極a,a
が設けられると共に、両電極a,a間に抵抗体b
が設けられて構成されている。そして、この抵抗
器の抵抗値は周知のように抵抗体bの長さlに比
例し、幅wに反比例する。
(b) Prior art Generally, for example, chip resistors are shown in Figures 2 and 3.
As shown in the figure, a pair of electrodes a, a are placed on both sides of the substrate.
is provided, and a resistor b is provided between both electrodes a, a.
is set up and configured. As is well known, the resistance value of this resistor is proportional to the length l of the resistor b and inversely proportional to the width w.

そこで、従来より抵抗体の一部をレーザトリミ
ング法などで取り除き、カツト溝c,dを形成し
て、抵抗値を調整している。このトリミング技術
としては、例えば実開昭55−9589、特開昭55−
160403、特開昭57−35305などがある。
Therefore, conventionally, a part of the resistor is removed by laser trimming or the like to form cut grooves c and d to adjust the resistance value. Examples of this trimming technology include Utility Model Application Publication No. 55-9589 and Japanese Patent Application Publication No. 55-9589.
160403, JP-A-57-35305, etc.

このカツト溝c,dは第2図に示すように垂直
方向のみからなるI型カツト溝cと、第3図に示
すように、垂直方向と水平方向とからなるL型カ
ツト溝dがある。
These cut grooves c and d include an I-shaped cut groove c that is formed only in the vertical direction, as shown in FIG. 2, and an L-shaped cut groove d that is formed in both the vertical and horizontal directions, as shown in FIG.

(ハ) 考案が解決しようとする課題 上述した抵抗器において、例えば、両カツト溝
c,dを抵抗体bの幅wの約1/2まで形成すると、
I型カツト溝cでは抵抗値が約1.3倍に増加し、
L型カツト溝dでは約2倍〜2.2倍に増加するこ
とになる。しかし、これでは調整幅が30%や100
%程度であり、調整幅が狭く、適用範囲が狭小で
あるという問題があつた。特に、何れのカツト溝
c,dでも抵抗体bの幅wのみを変化させてお
り、調整幅が小さかつた。
(c) Problems to be solved by the invention In the above-mentioned resistor, for example, if both cut grooves c and d are formed to approximately 1/2 of the width w of the resistor b,
In the I-type cut groove c, the resistance value increases by about 1.3 times,
For the L-shaped cut groove d, the increase will be about 2 to 2.2 times. However, with this, the adjustment range is 30% or 100%.
%, the range of adjustment is narrow, and the range of application is narrow. In particular, in both cut grooves c and d, only the width w of the resistor b was changed, and the adjustment range was small.

さらに、L型カツト溝dにおいては、特に第3
図上半分のみが導電路eとなり、下半分が抵抗機
能に何ら寄与せず、歩留りが悪いという問題があ
つた。
Furthermore, in the L-shaped cut groove d, especially the third
There was a problem that only the upper half of the figure became the conductive path e, and the lower half did not contribute to the resistance function at all, resulting in poor yield.

この考案は、斯かる点に鑑みなされたもので、
抵抗値の調整幅を大きくした抵抗器を提供するこ
とを目的とするものである。
This idea was made in view of this point,
The object of the present invention is to provide a resistor whose resistance value can be adjusted over a wide range.

(ニ) 課題を解決するための手段及び作用 この考案の抵抗器の構成を、一実施例に対応す
る第1図を用いて説明すると、抵抗体2と一対の
電極3,3とを備えてなるものにおいて、前記抵
抗体2に抵抗値をトリミングする2つの溝4,5
が形成され、このカツト溝4,5が、前記両電極
3,3方向に直交する垂直部4a,5a、両電極
3,3方向の水平部4b,5bとよりL字型に形
成され、各垂直部4a,5aがそれぞれ抵抗体2
の側部一辺2b,2aの両電極3,3方向に互い
にずれた位置より他辺2a,2bに向かつて延設
される一方、この垂直部4a,5aの一端より、
もう一方のカツト溝垂直部5a,4aから遠ざか
る方向に前記水平部4b,5bが延設されている
と共に、両垂直部4a,5a間の間隔w2及び前
記他辺2a,2bと水平部4b,5bとの間隔を
等しくしてなることを特徴とするものである。従
つて、導電路6の長さが長く、幅が均一に狭くな
り抵抗値の調整幅を大きくすることができる。
(d) Means and operation for solving the problem The configuration of the resistor of this invention will be explained using FIG. 1 corresponding to one embodiment. It includes a resistor 2 and a pair of electrodes 3, In the resistor 2, there are two grooves 4 and 5 for trimming the resistance value.
are formed, and the cut grooves 4, 5 are formed into an L-shape with vertical portions 4a, 5a perpendicular to the directions of both the electrodes 3, 3, and horizontal portions 4b, 5b in the direction of both the electrodes 3, 3. Vertical portions 4a and 5a are resistors 2, respectively.
It extends toward the other sides 2a, 2b from a position shifted from each other in the direction of both electrodes 3, 3 on one side side 2b, 2a, and from one end of the vertical portions 4a, 5a,
The horizontal portions 4b, 5b extend in a direction away from the other cut groove vertical portion 5a, 4a, and the distance w 2 between both the vertical portions 4a, 5a and the other side 2a, 2b and the horizontal portion 4b. , 5b are arranged at equal intervals. Therefore, the length of the conductive path 6 is long and the width is uniformly narrow, so that the resistance value can be adjusted over a wide range.

(ホ) 実施例 以下、実施例によりこの考案をさらに詳細に説
明する。
(e) Examples This invention will be explained in more detail below using examples.

第1図はこの考案の1実施例を示すチツプ抵抗
器の平面図である。同図に示す1はチツプ抵抗器
であつて、原膜抵抗体2を備えている。
FIG. 1 is a plan view of a chip resistor showing one embodiment of this invention. Reference numeral 1 shown in the figure is a chip resistor, which includes a film resistor 2. As shown in FIG.

この抵抗器1は、基板(図示省略)に一対の電
極3,3が両側に形成されると共に、両電極3,
3間に抵抗体2が形成されて構成されている。さ
らに、抵抗器1にはL字型カツト溝4,5が形成
されている。
This resistor 1 has a pair of electrodes 3, 3 formed on both sides of a substrate (not shown), and both electrodes 3,
A resistor 2 is formed between 3 and 3. Furthermore, L-shaped cut grooves 4 and 5 are formed in the resistor 1.

この両カツト溝4,5は、抵抗体2等を焼成し
た後、レーザトリミング法等により抵抗体2の一
部を取り除いて形成されている。このカツト溝
4,5は、抵抗値をトリミングするもので、両電
極3,3方向に直交(第1図において上下方向)
する垂直部4a,5aと、両電極3,3方向(第
1図において、左右方向)の水平部4b,5bと
より構成されている。
Both cut grooves 4 and 5 are formed by firing the resistor 2 and the like and then removing a portion of the resistor 2 by laser trimming or the like. These cut grooves 4 and 5 are for trimming the resistance value, and are perpendicular to both electrodes 3 and 3 direction (vertical direction in Fig. 1).
It is composed of vertical parts 4a, 5a that extend along the electrodes 3, and horizontal parts 4b, 5b that extend in the direction of both electrodes 3, 3 (left-right direction in FIG. 1).

両垂直部4a,5aは、それぞれ抵抗体2の側
部の一辺2b,2aでほぼ対角位置より他辺2
a,2bに向かつて延設され、つまり、1つの垂
直部4aは抵抗体2の下辺2b左側より上方に、
他の垂直部5aは上辺2a右側部より下方に延設
されている。そして、垂直部4a,5aの長さは
抵抗体2の幅wの約2/3に構成されている。また、
垂直部4a,5a間の間隔w2は、幅Wの約1/3に
構成されている。
Both vertical portions 4a and 5a are located on one side 2b and 2a of the resistor 2, respectively, and extend from the substantially diagonal position to the other side 2.
a, 2b, that is, one vertical portion 4a is located above the left side of the lower side 2b of the resistor 2.
The other vertical portion 5a extends downward from the right side of the upper side 2a. The length of the vertical portions 4a, 5a is approximately 2/3 of the width w of the resistor 2. Also,
The distance w2 between the vertical portions 4a and 5a is approximately 1/3 of the width W.

両水平部4b,5bは、それぞれ垂直部4a,
5aの一端より、他の垂直部5a,4aから遠ざ
かるように延設されている。水平部4b,5bと
抵抗体2の上辺2a、下辺2bとの間隔w1,w3
は共にw2に等しく、すなわち幅wの約1/3となつ
ている。従つて、導電路6はクランク状に屈曲す
る、均一な幅のものとなつている。この実施例チ
ツプ抵抗器1では、水平部4b,5bの長さを変
更することにより抵抗値が調整される。
Both horizontal portions 4b and 5b are vertical portions 4a and 5b, respectively.
It extends from one end of 5a away from the other vertical parts 5a, 4a. Distances w 1 , w 3 between the horizontal parts 4b, 5b and the upper side 2a, lower side 2b of the resistor 2
are both equal to w 2 , that is, about 1/3 of the width w. Therefore, the conductive path 6 is bent in a crank shape and has a uniform width. In the chip resistor 1 of this embodiment, the resistance value is adjusted by changing the lengths of the horizontal portions 4b, 5b.

抵抗器の抵抗値をトリミングする場合は、先ず
レーザ光を抵抗体2の側部の一辺の一点にあて、
その点より他の辺に向けて、抵抗体2をカツトし
てゆき、垂直部4a,5aを形成し、その後、水
平部4b,5bの形成に移り、所定の抵抗値を得
る水平部4b,5bの一端でトリミングを終了す
るが、その際、レーザ光の移動方向の末、カツト
部分にクラツクが発生することがある。実施例抵
抗器1は、このクラツクによる影響が少ないとい
う長所がある。
When trimming the resistance value of a resistor, first shine a laser beam on one point on the side of the resistor 2,
The resistor 2 is cut from that point toward other sides to form vertical parts 4a and 5a, and then the horizontal parts 4b and 5b are formed to obtain a predetermined resistance value. Trimming is completed at one end of the laser beam 5b, but at that time, a crack may occur at the cut portion at the end of the direction of movement of the laser beam. Embodiment resistor 1 has the advantage of being less affected by this crack.

また、上記実施例はチツプ抵抗器1について説
明したが、この考案は、チツプ抵抗器以外の各種
の抵抗器にも適用することができる。
Further, although the above embodiment has been described with respect to the chip resistor 1, this invention can be applied to various types of resistors other than chip resistors.

(ヘ) 考案の効果 以上のように、この考案の抵抗器によれば、2
つのL字型カツト溝を形成して所謂ダブルLトリ
ミングに構成したために、抵抗値を大幅に増加さ
せることができる。従つて、抵抗値の調整範囲が
著しく広がり、自由な抵抗値に設定することがで
き、その適用範囲を拡大することができる。
(F) Effect of the invention As mentioned above, according to the resistor of this invention, 2
Since two L-shaped cut grooves are formed to provide so-called double L trimming, the resistance value can be significantly increased. Therefore, the adjustment range of the resistance value is significantly expanded, the resistance value can be freely set, and the range of application thereof can be expanded.

また、チツプ抵抗器のように面積が限られてい
ても調整範囲が大きく、極めて有利であり、しか
も、同抵抗値、同面積の抵抗器を得るのに、従来
のものより面積抵抗の小さいものが使用できるか
らノイズ等も少なくすることができるので、信頼
性を向上させることができる。
In addition, even if the area is limited like a chip resistor, the adjustment range is wide, which is extremely advantageous.Moreover, in order to obtain a resistor with the same resistance value and the same area, it has a smaller area resistance than the conventional one. Since noise can be reduced, reliability can be improved.

さらにまた、抵抗体のほとんど全てを利用する
から、歩留りを向上させることができる。
Furthermore, since almost all of the resistors are utilized, the yield can be improved.

加えて、レーザトリミング時に、カツト溝末部
に生じるクラツクの影響を少なくすることもでき
る。
In addition, it is possible to reduce the influence of cracks occurring at the end of the cut groove during laser trimming.

【図面の簡単な説明】[Brief explanation of drawings]

第1図のこの考案の1実施例を示すチツプ抵抗
器の平面図、第2図及び第3図は従来例を示し、
それぞれ異なるカツト溝を備えたチツプ抵抗器の
平面図である。 1:チツプ抵抗器、2:抵抗体、3:電極、
4,5:カツト溝、4a,5a:垂直部、4b,
5b:水平部、6:導電路。
FIG. 1 is a plan view of a chip resistor showing one embodiment of this invention, and FIGS. 2 and 3 show conventional examples.
FIG. 3 is a plan view of a chip resistor with different cut grooves. 1: Chip resistor, 2: Resistor, 3: Electrode,
4, 5: Cut groove, 4a, 5a: Vertical part, 4b,
5b: horizontal part, 6: conductive path.

Claims (1)

【実用新案登録請求の範囲】 抵抗体と一対の電極とを備えて成る抵抗器にお
いて、 前記抵抗体に抵抗値をトリミングする2つのカ
ツト溝が形成され、このカツト溝が、前記両電極
方向に直交する垂直部と、両電極方向の水平部と
よりL字型に形成され、各垂直部がそれぞれ抵抗
体の側部の一辺の両電極方向に互いにずれた位置
より他辺に向かつて延設される一方、この垂直部
の一端より、もう一方のカツト溝垂直部から遠ざ
かる方向に、前記水平部が延設されていると共
に、両垂直部間の間隔及び前記他辺と水平部との
間隔を等しくしてなることを特徴とする抵抗器。
[Claims for Utility Model Registration] In a resistor comprising a resistor and a pair of electrodes, two cut grooves for trimming the resistance value are formed in the resistor, and the cut grooves extend in the direction of both the electrodes. It is formed into an L-shape with perpendicular vertical parts and horizontal parts in the direction of both electrodes, and each vertical part extends from a position shifted from one side of the resistor in the direction of both electrodes to the other side. On the other hand, the horizontal portion extends from one end of the vertical portion in a direction away from the other vertical portion of the cut groove, and the distance between both vertical portions and the distance between the other side and the horizontal portion are A resistor characterized in that the resistors are made equal to each other.
JP1984142697U 1984-09-19 1984-09-19 Expired JPH0219921Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984142697U JPH0219921Y2 (en) 1984-09-19 1984-09-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984142697U JPH0219921Y2 (en) 1984-09-19 1984-09-19

Publications (2)

Publication Number Publication Date
JPS6157501U JPS6157501U (en) 1986-04-17
JPH0219921Y2 true JPH0219921Y2 (en) 1990-05-31

Family

ID=30701011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984142697U Expired JPH0219921Y2 (en) 1984-09-19 1984-09-19

Country Status (1)

Country Link
JP (1) JPH0219921Y2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4674403B2 (en) * 2001-02-13 2011-04-20 パナソニック株式会社 Resistor
JP2021136365A (en) * 2020-02-28 2021-09-13 パナソニックIpマネジメント株式会社 Chip resistor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965402A (en) * 1982-10-05 1984-04-13 松下電器産業株式会社 Thick film resistance

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965402A (en) * 1982-10-05 1984-04-13 松下電器産業株式会社 Thick film resistance

Also Published As

Publication number Publication date
JPS6157501U (en) 1986-04-17

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