JPH0376191A - Adjusting method for variable resistance of thick-film hybrid integrated circuit - Google Patents
Adjusting method for variable resistance of thick-film hybrid integrated circuitInfo
- Publication number
- JPH0376191A JPH0376191A JP1211607A JP21160789A JPH0376191A JP H0376191 A JPH0376191 A JP H0376191A JP 1211607 A JP1211607 A JP 1211607A JP 21160789 A JP21160789 A JP 21160789A JP H0376191 A JPH0376191 A JP H0376191A
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- resistance value
- value
- integrated circuit
- hybrid integrated
- 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
- Parts Printed On Printed Circuit Boards (AREA)
- Adjustable Resistors (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はテレビジョン受像機、ＶＴＲ，ラジオ、受信機
、テープレコーダー等に使用される厚膜混成集積回路の
可変抵抗の調整方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for adjusting the variable resistance of a thick film hybrid integrated circuit used in television receivers, VTRs, radios, receivers, tape recorders, and the like.
従来の技術
厚膜混成集積回路へ可変抵抗を構成する抵抗体を印刷形
成する場合、スクリーン印刷における抵抗ペーストの粘
度変化及びセラミック基板のソリ、可変抵抗の配置（配
列）等により目標値より高抵抗値になりやすい課題があ
る。Conventional technology When printing a resistor that constitutes a variable resistor on a thick film hybrid integrated circuit, the resistance may be higher than the target value due to changes in the viscosity of the resistor paste during screen printing, warping of the ceramic substrate, placement (array) of the variable resistor, etc. There are issues that can easily become a value.
そこで目標値より若干低い抵抗値（公差内）をねらって
抵抗ペーストをブレンドしてスクリーン印刷をするよう
にしている。Therefore, we aim for a resistance value that is slightly lower than the target value (within tolerance), blend the resistance paste, and perform screen printing.
発明が解決しようとする課題
可変抵抗値がスクリーン印刷時に抵抗ペーストの粘度変
化及びセラミック基板のソリ、可変抵抗値の配置により
所定値より高い抵抗値にならない様に、あらかじめ所定
値の８０％の値に印刷しておく。Problem to be Solved by the Invention In order to prevent the variable resistance value from becoming higher than the predetermined value due to changes in the viscosity of the resistor paste, warping of the ceramic substrate, and arrangement of the variable resistance value during screen printing, the value is set to 80% of the predetermined value in advance. Print it out.
しかし、このように若干低い抵抗値（公差内）をねらっ
て抵抗ペーストをブレンドしてスクリーン印刷を行って
も、スクリーン上で抵抗ペーストが練られ粘度が変化し
抵抗値が高くなるという課題があった。However, even if screen printing is performed by blending resistance paste with the aim of achieving a slightly lower resistance value (within tolerance), there is a problem in that the resistance paste is kneaded on the screen, changing its viscosity and increasing the resistance value. Ta.
本発明はこのような課題を解消するために、所定値の約
５０％の値に印刷しておき、そして可変抵抗体と直列に
設けた補正抵抗体をレーザートリミングして所定値迄切
り上げ、所定の値にすることを目的とする。In order to solve this problem, the present invention prints a value approximately 50% of a predetermined value, and then laser trims a correction resistor provided in series with the variable resistor to round up to the predetermined value. The purpose is to set the value to .
課題を解決するための手段
上記課題を解決するために、本発明は可変抵抗体と直列
にレーザートリミング可能な補正抵抗体を設けたことを
特徴とする。Means for Solving the Problems In order to solve the above problems, the present invention is characterized in that a laser trimmable correction resistor is provided in series with the variable resistor.
作用
そしてこの構造により、可変抵抗体の抵抗値をあらかじ
め所定値より低くなるように印刷形威し、その後、補正
抵抗体をトリミングしてやることで抵抗値を上げて抵抗
値の調整を行う。With this structure, the resistance value of the variable resistor is printed so as to be lower than a predetermined value in advance, and then the resistance value is increased by trimming the correction resistor to adjust the resistance value.
これにより、抵抗値を所定の値に容易に設定することが
できる。Thereby, the resistance value can be easily set to a predetermined value.
実施例 以下、本発明の一実施例を説明する。Example An embodiment of the present invention will be described below.
図において、１は可変抵抗体を接続する電極であり、銀
バラジューム（Ａｇ／Ｐｄ）等を主成分とする。可変抵
抗体２及び補正抵抗体３は酸化ルテニューム（Ｒｕｂ）
等を主成分とする抵抗体材料を用いて一対の電極１の間
に接続し抵抗体を形成する。In the figure, reference numeral 1 indicates an electrode for connecting a variable resistor, and the main component thereof is silver baladium (Ag/Pd) or the like. The variable resistor 2 and the correction resistor 3 are made of oxidized ruthenium (Rub).
A resistor material having the following as main components is used to connect between a pair of electrodes 1 to form a resistor.
摺動子（図示せず）が摺接する円弧状の可変抵抗体２に
対し、補正抵抗体３は摺動子が摺接しない位置に可変抵
抗体２と直列に接続されるように印刷形威しており、他
端を一方のｔ極１と接続している。In contrast to the arc-shaped variable resistor 2 with which a slider (not shown) comes into sliding contact, the correction resistor 3 is printed in a printed form so that it is connected in series with the variable resistor 2 at a position where the slider does not make sliding contact. The other end is connected to one t-pole 1.
このとき、可変抵抗体２と補正抵抗体３の合計抵抗値は
、所定の値より低くするように設定する。At this time, the total resistance value of the variable resistor 2 and the correction resistor 3 is set to be lower than a predetermined value.
このように可変抵抗体２と補正抵抗体３を印刷形威した
後、一対の電極１の間の抵抗値を測定し、補正抵抗体３
をレーザートリミングすることにより、合計抵抗値を所
定の値とする。After printing the variable resistor 2 and the compensation resistor 3 in this way, the resistance value between the pair of electrodes 1 is measured, and the compensation resistor 3 is
By laser trimming, the total resistance value is set to a predetermined value.
かかる本発明の実施例によれば、電極１部間に形成され
た可変抵抗体２に補正抵抗体３を直列に接続することで
可変抵抗体３の抵抗値を容易に所望の値に設定すること
が可能となる。According to this embodiment of the present invention, by connecting the compensation resistor 3 in series to the variable resistor 2 formed between the electrodes 1, the resistance value of the variable resistor 3 can be easily set to a desired value. becomes possible.
すなわち抵抗体を坑底した後、抵抗値が所定値より低く
出るので補正抵抗体３をトリミングすることにより補正
を行い所定の抵抗値を得るものである。That is, after the resistor is brought to the bottom of the pit, the resistance value is lower than a predetermined value, so the correction resistor 3 is trimmed to perform correction and obtain a predetermined resistance value.
なお、上記実施例において、電極は銀バラジューム（Ａ
ｇ／Ｐｄ）としたが銅（Ｃｕ）等でもよい。Note that in the above embodiments, the electrodes were made of silver baladium (A
g/Pd), but copper (Cu) or the like may also be used.
又抵抗体（２）、 （３）は酸化ルテニエーム（Ｒｕｂ
）としたが珪化チタン（Ｔ ｉ Ｓ ｉヨ）等でもよい
。Moreover, the resistors (2) and (3) are made of ruthenium oxide (Rub
), but titanium silicide (T i S i ) or the like may also be used.
／−−一電忌
２−一一可変＃！Ｌ体
８−一一補縛幻ル木
５−−一妬千部
された可変抵抗体に補正抵抗体を直列に接続することで
可変抵抗体の抵抗値を容易に所望の値に設定することが
可能となる。すなわち抵抗体を坑底した後、抵抗値が低
く出るので補正抵抗体をトリミングすることにより補正
を行い所定の抵抗値を得るものである。/--Ichidenki 2-11 variable #! L body 8-11 Compensation illusion tree 5--By connecting a compensation resistor in series to the fixed variable resistor, the resistance value of the variable resistor can be easily set to a desired value. becomes possible. That is, after the resistor is placed at the bottom of a hole, the resistance value is low, so the correction resistor is trimmed to perform correction and obtain a predetermined resistance value.
図は本発明の一実施例における厚膜混成集積回路の可変
抵抗の調整方法が示された略平面図である。
１・・・・・・電極、２・・・・・・可変抵抗体、３・
・・・・・補正抵抗体、４・・・・・・導体（回路）、
５・・・・・・端子部。The figure is a schematic plan view showing a method for adjusting the variable resistance of a thick film hybrid integrated circuit according to an embodiment of the present invention. 1... Electrode, 2... Variable resistor, 3.
...Correction resistor, 4...Conductor (circuit),
5...Terminal section.
Claims (2)
体を設け、補正抵抗体をレーザートリミングする事によ
り可変抵抗体の抵抗値を所定の値に設定するようにした
厚膜混成集積回路の可変抵抗の調整方法。(1) Thick film hybrid integrated circuit in which a correction resistor is provided in series with the variable resistor of the thick film hybrid integrated circuit, and the resistance value of the variable resistor is set to a predetermined value by laser trimming the correction resistor. How to adjust variable resistance in a circuit.
位置に設けられた請求項１記載の厚膜混成集積回路の可
変抵抗の調整方法。(2) The method for adjusting a variable resistance of a thick film hybrid integrated circuit according to claim 1, wherein the correction resistor is provided at a different position from the resistor with which the slider slides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1211607A JPH0376191A (en) | 1989-08-17 | 1989-08-17 | Adjusting method for variable resistance of thick-film hybrid integrated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1211607A JPH0376191A (en) | 1989-08-17 | 1989-08-17 | Adjusting method for variable resistance of thick-film hybrid integrated circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0376191A true JPH0376191A (en) | 1991-04-02 |
Family
ID=16608565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1211607A Pending JPH0376191A (en) | 1989-08-17 | 1989-08-17 | Adjusting method for variable resistance of thick-film hybrid integrated circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0376191A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100474089B1 (en) * | 2003-05-30 | 2005-03-09 | 동아전기부품 주식회사 | Feedback apparatus for airconditioning actuator |
-
1989
- 1989-08-17 JP JP1211607A patent/JPH0376191A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100474089B1 (en) * | 2003-05-30 | 2005-03-09 | 동아전기부품 주식회사 | Feedback apparatus for airconditioning actuator |
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