JPS60109202A - Method of trimming surge resistance of thick film resistor - Google Patents
Method of trimming surge resistance of thick film resistorInfo
- Publication number
- JPS60109202A JPS60109202A JP58215930A JP21593083A JPS60109202A JP S60109202 A JPS60109202 A JP S60109202A JP 58215930 A JP58215930 A JP 58215930A JP 21593083 A JP21593083 A JP 21593083A JP S60109202 A JPS60109202 A JP S60109202A
- Authority
- JP
- Japan
- Prior art keywords
- thick film
- film resistor
- trimming
- resistor
- surge
- 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.)
- Pending
Links
Landscapes
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔技術分野〕
本発明は、厚膜ハイプリントＩＣの厚膜抵抗体に加わる
サージ電圧に対する耐サージトリーミンク方法に関する
。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a surge trimming method for resisting surge voltage applied to a thick film resistor of a thick film high print IC.
以下に、従来の厚膜抵抗体のトリーミンク方法について
図°面を基に説明すると共に、その効果を述べる。Below, a conventional thick film resistor trimming method will be explained based on drawings, and its effects will be described.
第１図（ａ）〜（ｄ）は各場合における従来の厚膜抵抗
体のトリーミンク方法を示す図であシ、１は厚膜抵抗体
、２は厚膜抵抗体１の厚膜導体電極、３はトリーミンク
部分、４は厚膜抵抗体１中の電流方向である。1(a) to (d) are diagrams showing the conventional trimming method of a thick film resistor in each case, 1 is a thick film resistor, 2 is a thick film conductor electrode of the thick film resistor 1, 3 is the trimming portion, and 4 is the current direction in the thick film resistor 1.
第１図（ａ）に示すトリーミンク部分３０カントライン
は厚膜抵抗体１の中程に垂直に設けである。The cant line of the trimming portion 30 shown in FIG. 1(a) is provided perpendicularly to the middle of the thick film resistor 1.
同図（ｂ）では大きさの異なる２つのトリーミンク部分
３が同一方向からやはシ厚膜抵抗体１に垂直に設けであ
る。同図（ｅ）では中程から１つのトリーミンク部分３
と、方向を変えた２つのトリーミンク部分３が厚膜抵抗
体１に垂直に設けである。同図（ｃ）ではＬ字状のトリ
ーミンク部分３をやはシ厚膜抵抗体１に垂直方向に一旦
伸ばして設けである。In FIG. 2B, two trimming portions 3 of different sizes are provided perpendicularly to the thick film resistor 1 from the same direction. In the same figure (e), one trimming part 3 from the middle
Two trimming portions 3 with different directions are provided perpendicularly to the thick film resistor 1. In the figure (c), the L-shaped trimming portion 3 is once extended in a direction perpendicular to the thick film resistor 1.
このように、その場合によってトリーミンク部分３のカ
ットラインが変わることとなシ、抵抗体。In this way, the cut line of the trimming part 3 changes depending on the case, and the resistor.
の形状や精度により必要なカントラインによってトリー
ミングを行なっている。Trimming is performed according to the required cant line depending on the shape and precision of the material.
しかし、このような従来の方法では次のような欠点が生
じてくる。However, such conventional methods have the following drawbacks.
それは、厚膜抵抗体１中の矢印で示す電流方向４に対し
て前記した各図におけるトリーミンク部分３のカットラ
インは垂直に交わるような構造となっているために、サ
ージ電圧が加わった場合に電流方向４に垂直に交わるカ
ットライン集辺部分の電力密度が局部的に大きくなυマ
イクロクランクなどの伝達を助長し、抵抗値変化を太き
くしたり、抵抗破壊につながる欠点である。This is because the cut line of the trimming portion 3 in each of the figures described above intersects perpendicularly to the current direction 4 shown by the arrow in the thick film resistor 1, so when a surge voltage is applied, This is a drawback in that the power density in the cut line convergence portion that intersects perpendicularly to the current direction 4 promotes the transmission of locally large υ microcranks, etc., which increases the change in resistance value and leads to resistance breakdown.
本発明の目的は、前記のような欠点を鑑みてなすもあて
あシ、その欠点を解決することにある。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned drawbacks.
〔発明の概要〕 その、本発明の概要は次の通シである。[Summary of the invention] The outline of the present invention is as follows.
厚膜抵抗体を厚膜導体電極部分も加えて一部分を完全に
切取るようにして厚膜抵抗体中の電流方向と平行になる
ようにトリーミンク部分のカントラインを設けると共に
、厚膜抵抗体の厚膜電極の引きまわしを一方向から行な
う！ことである。Completely cut out a part of the thick film resistor, including the thick film conductor electrode part, to provide a cant line for the trimming part so that it is parallel to the current direction in the thick film resistor, and Thick film electrodes can be routed from one direction! That's true.
以下に、前記のよ゛うな目的と概要を特徴とした本発明
の一実施例に力る、厚膜抵抗体の耐サージトリーミング
方法について図を基に説明すると共に、その効果を述べ
る。Hereinafter, the anti-surge trimming method for a thick film resistor, which is an embodiment of the present invention characterized by the above-mentioned purpose and outline, will be explained with reference to the drawings, and its effects will be described.
第２図（ａ）〜（Ｃ）は本発明による各場合の剛す−ジ
トリーミング方法を示す図であり、１は厚膜抵抗体、２
は厚膜導体電極、３は厚膜導体電極２も含めた厚膜抵抗
体１の一部分を後記する電流方向と平行になるように完
全に切取るカットラインによるトリーミンク部分、４は
厚膜抵抗体１中の電流方向である。FIGS. 2(a) to 2(C) are diagrams showing the stiffening-di-trimming method in each case according to the present invention, in which 1 is a thick film resistor, 2 is a
3 is a thick film conductor electrode, 3 is a trimming part by a cut line that completely cuts out a part of the thick film resistor 1 including the thick film conductor electrode 2 so as to be parallel to the current direction, and 4 is a thick film resistor. This is the current direction in 1.
本発明では、第２図（ａ）のように厚膜抵抗体１中の電
流方向４と平行になるカントラインによるトリーミンク
部分３を、厚膜導体電極２も加えて厚膜抵抗体１の一部
分を完全に切取るように設けている。そして、厚膜導体
電極２による電流の取入れ取出しのだめの引きまわし構
造が一方側となっている。In the present invention, as shown in FIG. 2(a), a trimming portion 3 formed by a cant line parallel to the current direction 4 in the thick film resistor 1 is formed by adding the thick film conductor electrode 2 to a part of the thick film resistor 1. It is designed so that it can be completely cut out. The current drawing structure for taking in and taking out the current by the thick film conductor electrode 2 is on one side.
第２図（ｂ）では前記と同じカットラインによるトリー
ミンク部分３であるが、一方に設けた厚膜導体電極２に
よる電流の取入れ取出しは、厚膜抵抗体１の電流方向４
と同じ方向となっている。In FIG. 2(b), the trimming part 3 is formed by the same cut line as above, but the current is taken in and taken out by the thick film conductor electrode 2 provided on one side in the current direction 4 of the thick film resistor 1.
is in the same direction.
第２図（ｃ）では、前記と同じ要領でのカントラインに
よる対向した２つのトリーミンク部分４を設け、この両
者の中程の厚膜導体電極２に電流の取入れ取出しを設け
ている。In FIG. 2(c), two trimming portions 4 are provided facing each other by cant lines in the same manner as described above, and a current intake/extraction is provided in the thick film conductor electrode 2 midway between the two trimming portions 4.
このように、各場合が想定され必要に応じた方法を採用
すればよい。In this way, each case can be assumed and a method can be adopted depending on the necessity.
ここで、第２図（ａ）を基にトリーミンク部分３のカッ
ト量、すなわち切込み幅について説明する。Here, the amount of cutting of the trimming portion 3, that is, the width of the cut will be explained based on FIG. 2(a).
第２図（ａ）において、Ｗは全幅、Ｗｌは残り幅、Ｗ２
は切込み幅である。In Fig. 2(a), W is the full width, Wl is the remaining width, and W2
is the cutting width.
この切込み幅Ｗ２は、抵抗値Ｒを決定するものであり、
Ｗ ＝ Ｗ１＋Ｗ２
前記の式でめた切込み幅Ｗ２に基づいて、第２図（ロ）
）のトリーミンク部分３の厚膜導体１へのカット位置を
決めるのである。This cut width W2 determines the resistance value R, and W = W1 + W2 Based on the cut width W2 determined by the above formula, Fig. 2 (b)
) to determine the cutting position of the trimming portion 3 on the thick film conductor 1.
以上、詳細に説萌したように本発明では厚膜抵抗体のト
リーミングにおいて、厚膜抵抗体中の電流方向と平行と
なるように、１厚膜導体電極部分も含めた厚膜抵抗体の
一部分を完全に切取るカットラインとし、厚膜導体電極
の引きまわしを一方側から行なったので次のような効果
を発揮することができる。As explained above in detail, in the present invention, when trimming a thick film resistor, a part of the thick film resistor including the electrode part of the thick film conductor is Since the cut line was set to completely cut out the thick film conductor electrode and the thick film conductor electrode was routed from one side, the following effects could be achieved.
それは、トリーミンク部分のカントラインが厚膜抵抗体
中の電流方向と平行なので、サージ′Ｐ［を圧が加わっ
た場合でも従来のように抵抗体中に局部的な電力の集中
が生じないので、サージ電圧印加に伴う抵抗値変化や抵
抗体破壊を防止する効果である。This is because the cant line of the trimming part is parallel to the current direction in the thick film resistor, so even if a surge 'P[ is applied, local power concentration does not occur in the resistor as in the conventional case. This has the effect of preventing changes in resistance value and destruction of the resistor due to the application of surge voltage.
このような効果によシ、本発明は厚ｇノ・イ゛プリン）
ＩＣの厚膜抵抗体のトリーミング方法として有益に利用
することができる。In view of these effects, the present invention
This method can be advantageously used as a method for trimming thick film resistors in ICs.
第１図は従来の各場合における厚膜抵抗体のトリーミン
グ方法を示す図、第２図は本発明による各場合における
厚膜抵抗体の耐サージトリーミング方法を示す図である
。
１・・・厚膜抵抗体 ２・・・厚膜導体電極 ３・・・
トリーミング部分 ４・・・電流方向
実用新案登録出願人 沖電気工業株式会社代理人 弁理
士 金 倉 喬 二
層１ 二
（ａ）
（ｂ）
掴１ ；
（Ｃ）
（ｄ）
紬２０
（ａ）
（ｂ）FIG. 1 is a diagram showing a conventional method for trimming a thick film resistor in each case, and FIG. 2 is a diagram showing a surge-proof trimming method for a thick film resistor in each case according to the present invention. 1...Thick film resistor 2...Thick film conductor electrode 3...
Trimming part 4... Current direction utility model registration applicant Oki Electric Industry Co., Ltd. agent Patent attorney Takashi Kanakura Two layers 1 2 (a) (b) Grasp 1; (C) (d) Tsumugi 20 (a) ( b)
Claims (1)
体に設けた厚膜導体電極によって厚膜抵抗体中Ｋｆｉ流
を流して厚膜抵抗体のトリーミンクを行なう厚膜抵抗体
の耐サージトリーミンク方法において、厚膜抵抗体に設
けるトリーミンク部分のカントラインを厚膜抵抗体中の
電流方向と平行になるように、厚膜導体電極も金紗た厚
膜抵抗体の一部を完全に切取るように設けたことを特徴
とした厚膜抵抗体の耐サージトリーミンク方法。 ２、特許請求の範囲第１項において、厚膜抵抗体の厚膜
導体電極の引きまわしを一方向としたことを特徴とする
厚膜抵抗体の耐サージ） ＋７−ミンク方法。[Scope of Claims] 1. A thick film resistor in which a trimming portion is provided in the thick film resistor and a Kfi current is caused to flow through the thick film resistor using a thick film conductor electrode provided on the thick film resistor to perform trimming of the thick film resistor. In the anti-surge trimming method of a resistor, the thick film conductor electrode is also trimmed with gold gauze so that the cant line of the trimming part provided on the thick film resistor is parallel to the current direction in the thick film resistor. A method for anti-surge trimming of a thick film resistor, characterized in that a part of the resistor is completely cut out. 2. The anti-surge method for a thick film resistor according to claim 1, characterized in that the thick film conductor electrode of the thick film resistor is routed in one direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58215930A JPS60109202A (en) | 1983-11-18 | 1983-11-18 | Method of trimming surge resistance of thick film resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58215930A JPS60109202A (en) | 1983-11-18 | 1983-11-18 | Method of trimming surge resistance of thick film resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60109202A true JPS60109202A (en) | 1985-06-14 |
Family
ID=16680611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58215930A Pending JPS60109202A (en) | 1983-11-18 | 1983-11-18 | Method of trimming surge resistance of thick film resistor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60109202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02250302A (en) * | 1989-03-24 | 1990-10-08 | Ngk Insulators Ltd | Laser trimming of thick-film resistor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5355763A (en) * | 1976-11-01 | 1978-05-20 | Matsushita Electric Ind Co Ltd | Thinnfilm resistor |
| JPS56169357A (en) * | 1980-05-29 | 1981-12-26 | Fujitsu Ltd | Trimming method for thick film resistor |
-
1983
- 1983-11-18 JP JP58215930A patent/JPS60109202A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5355763A (en) * | 1976-11-01 | 1978-05-20 | Matsushita Electric Ind Co Ltd | Thinnfilm resistor |
| JPS56169357A (en) * | 1980-05-29 | 1981-12-26 | Fujitsu Ltd | Trimming method for thick film resistor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02250302A (en) * | 1989-03-24 | 1990-10-08 | Ngk Insulators Ltd | Laser trimming of thick-film resistor |
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