JPS61131863U - - Google Patents

Info

Publication number
JPS61131863U
JPS61131863U JP1421185U JP1421185U JPS61131863U JP S61131863 U JPS61131863 U JP S61131863U JP 1421185 U JP1421185 U JP 1421185U JP 1421185 U JP1421185 U JP 1421185U JP S61131863 U JPS61131863 U JP S61131863U
Authority
JP
Japan
Prior art keywords
voltage value
voltage
circuit
laser beam
value
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
Application number
JP1421185U
Other languages
Japanese (ja)
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 JP1421185U priority Critical patent/JPS61131863U/ja
Publication of JPS61131863U publication Critical patent/JPS61131863U/ja
Pending legal-status Critical Current

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Description

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

第1図は本考案の一実施例を示すレーザトリミ
ング装置用制御装置の概略構成図である。第2図
は第1図に示される各信号のタイミングを示す図
である。また、第3図は本考案の制御装置を用い
た最小システムのブロツク図である。 図において、1,9はデイジタルスイツチ、2
はD/Aコンバータ、3は電圧入力端子、4はバ
ツフア、5は電圧比較回路、6はフリツプフロツ
プ回路、7,8はそれぞれリセツトボタン、スタ
ートボタン、10はパルス発振回路、12はパル
ス出力信号である。また、15はデイジタルマル
チメータ、17はレーザ光パルス駆動部である。
20はレーザ光パルスオンオフ制御回路である。
FIG. 1 is a schematic diagram of a control device for a laser trimming device showing an embodiment of the present invention. FIG. 2 is a diagram showing the timing of each signal shown in FIG. 1. Furthermore, FIG. 3 is a block diagram of a minimal system using the control device of the present invention. In the figure, 1 and 9 are digital switches, 2
is a D/A converter, 3 is a voltage input terminal, 4 is a buffer, 5 is a voltage comparison circuit, 6 is a flip-flop circuit, 7 and 8 are a reset button and a start button, respectively, 10 is a pulse oscillation circuit, and 12 is a pulse output signal. be. Further, 15 is a digital multimeter, and 17 is a laser light pulse drive section.
20 is a laser light pulse on/off control circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 混成集積回路中の抵抗値もしくは電圧値を、レ
ーザ光を用いて、目標設定値に自動調整するレー
ザトリミング装置の制御装置において、前記目標
設定値に対応する電圧値と、前記混合集積回路中
の抵抗値に対応する電圧値もしくは前記混成集積
回路の電圧値とを受ける電圧比較回路と、前記レ
ーザ光のパルスレートを設定するための入力を受
けると共に、前記電圧比較回路の出力を受け、設
定されたパルスレートのパルスを前記電圧比較回
路出力に応じてオンオフして、前記レーザ光のオ
ンオフを決定するレーザ光パルスオンオフ制御回
路とを具備することを特徴とするレーザトリミン
グ装置用制御装置。
In a control device for a laser trimming device that automatically adjusts a resistance value or a voltage value in a hybrid integrated circuit to a target setting value using a laser beam, a voltage value corresponding to the target setting value and a voltage value in the hybrid integrated circuit are adjusted. a voltage comparator circuit that receives a voltage value corresponding to the resistance value or a voltage value of the hybrid integrated circuit; 1. A control device for a laser trimming device, comprising: a laser beam pulse on/off control circuit that turns on and off a pulse at a pulse rate according to an output of the voltage comparison circuit to determine whether the laser beam is turned on or off.
JP1421185U 1985-02-05 1985-02-05 Pending JPS61131863U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1421185U JPS61131863U (en) 1985-02-05 1985-02-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1421185U JPS61131863U (en) 1985-02-05 1985-02-05

Publications (1)

Publication Number Publication Date
JPS61131863U true JPS61131863U (en) 1986-08-18

Family

ID=30498925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1421185U Pending JPS61131863U (en) 1985-02-05 1985-02-05

Country Status (1)

Country Link
JP (1) JPS61131863U (en)

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