JPS63256872A - Two-point measurement type continuity tester - Google Patents
Two-point measurement type continuity testerInfo
- Publication number
- JPS63256872A JPS63256872A JP62092357A JP9235787A JPS63256872A JP S63256872 A JPS63256872 A JP S63256872A JP 62092357 A JP62092357 A JP 62092357A JP 9235787 A JP9235787 A JP 9235787A JP S63256872 A JPS63256872 A JP S63256872A
- Authority
- JP
- Japan
- Prior art keywords
- continuity
- bridge
- detection
- power supply
- constant voltage
- 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
- 238000005259 measurement Methods 0.000 title claims description 7
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 150000002739 metals Chemical group 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、電子回路パッケージのパターン及び布線を試
験するのに用いる２点間測定式導通試験器に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a two-point measurement type continuity tester used for testing the pattern and wiring of an electronic circuit package.
［従来の技術］
従来、この種のパターン及び布線を試験する場合におい
ては、導通とブリッジ障害は別々に試験する方法をとっ
ていた。従来の２点間による測定では、ブリッジの障害
を検出する測定端子が多いものは殆ど実用化されていな
い。[Prior Art] Conventionally, when testing this type of pattern and wiring, a method was used in which continuity and bridging faults were tested separately. Conventional two-point measurements, which have many measurement terminals for detecting bridge failures, have hardly been put to practical use.
又、インサーキットによる方法は、部品実装されたパッ
ケージの端子金てにプローブピンを立てる事が出来なく
、限定された端子内でのみ実用化されている。In addition, the in-circuit method cannot erect a probe pin on the terminal metal of a package on which components are mounted, and is put into practical use only within a limited number of terminals.
［解決すべき問題点］
上述した従来の試験方法は、２点間による測定ではブリ
ッジ障害を検出する為に端子金ての組み合わせの導通試
験を行わなけわばならなかった。[Problems to be Solved] In the conventional test method described above, in order to detect a bridge failure when measuring between two points, a continuity test had to be performed on a combination of terminal metals.
インサーキットによる方法は、部品実装されたパッケー
ジの端子金てにプローブビンを立てる事が出来ない為に
、完全なブリッジ障害を検出する事が出来なかった。The in-circuit method could not detect a complete bridge failure because it was not possible to set up a probe bin on the terminal metal of the package where the components were mounted.
［問題点の解決手段］
本発明は、」二記従来の問題点を解決するためになされ
たものであり、かかる目的を達成するため本発明の２点
間測定式導通試験器は、電子回路パッケージのパターン
又は布線の導通、ブリ、ジ障害を検査する２点間′ＡＩ
ＩＩ定式導通試験器において、パターン又は布線の導通
を検査するための導通検出器と導通検出用定電圧電源を
有し、かつ上記電子回路パッケージの電源とアースに定
電位を加えるブリッジ検出用定電圧電源及び当該ブリッ
ジ検出用定電圧電源による導通電流変化を読取るブリッ
ジ検出用電流計を備えた構成としである。[Means for Solving the Problems] The present invention has been made to solve the problems of the conventional art described in 2. 2-point AI for inspecting package patterns or wiring for continuity, flashing, and damage
The II formal continuity tester has a continuity detector for testing the continuity of a pattern or wiring, a constant voltage power supply for continuity detection, and a bridge detection constant that applies a constant potential to the power supply and ground of the electronic circuit package. This configuration includes a voltage power supply and a bridge detection ammeter that reads changes in conduction current due to the constant voltage power supply for bridge detection.
［実施例］
以下、本発明の一実施例について図面を参照して詳細に
説明する。[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図は本発明の一実施例に係る２点間測定式導通試験
器の回路構成図である０図において、本実施例の２点間
測定式導通試験器は、観測ビン３．３と、導通検出器４
と、電流制限用抵抗器５と、導通検出用定電圧電源６と
、ブリッジ検出用電流エト７と、ブリッジ・検出用定電
圧電源８と、電流制限用抵抗器９を図示の如く結線して
構成されている。なお、１は被試験パッケージ、２はそ
のパターン又は布線である。FIG. 1 is a circuit configuration diagram of a two-point measuring continuity tester according to an embodiment of the present invention. In FIG. , continuity detector 4
, current limiting resistor 5, continuity detection constant voltage power supply 6, bridge detection current 7, bridge/detection constant voltage power supply 8, and current limiting resistor 9 are connected as shown in the figure. It is configured. Note that 1 is the package to be tested, and 2 is its pattern or wiring.
被試験パッケージ１の導通を検査する場合、まず導通を
検査するパターン又は！１線２の両端に観測ビン３を立
てる。導通検出用定電圧電源６は電流ルｊ限用抵抗器５
を介して観測ピン３に供給され、導通検出器４で導通の
有無をチェックする。When testing the continuity of the package under test 1, first check the pattern or! Observation bins 3 are set up at both ends of line 1. A constant voltage power supply 6 for continuity detection is a current limiting resistor 5.
The signal is supplied to the observation pin 3 via the conduction detector 4, and the presence or absence of continuity is checked by the continuity detector 4.
又、ブリッジ検出に於いては、ブリッジ検出用定電圧電
源８により電流制限用抵抗器９を介して被試験パッケー
ジ１の電源とアースに定電圧を加える。これにより、ブ
リッジ検出用電流計７によってブリッジ障害による電流
変化を読み取る。Further, in bridge detection, a constant voltage is applied to the power supply and ground of the package under test 1 by a constant voltage power supply 8 for bridge detection via a current limiting resistor 9. Thereby, the current change due to the bridge failure is read by the bridge detection ammeter 7.
第２図は本実施例の２点間測定式導通試験器の動作を示
す図である。障害ブリッジ１０による障害が発生すると
、ブリッジ検出用電流計７には導通検出用ループ電流１
１とブリッジ検出用ループ電流１２が合成されてｉ測さ
れる。この時の電流には、障害ブリッジの有無による変
化が観測され、ブリッジ障害を検出できる事になる。FIG. 2 is a diagram showing the operation of the two-point measurement type continuity tester of this embodiment. When a fault occurs due to the faulty bridge 10, the bridge detection ammeter 7 displays a continuity detection loop current 1.
1 and the bridge detection loop current 12 are combined and measured i. At this time, changes in the current depending on the presence or absence of a faulty bridge are observed, and a bridge fault can be detected.
［発明の効果］
以上説明したように本発明は、電子回路パッケージのパ
ターン又は布線の導通、ブリッジ障害を検査する２点間
測定式導通試験器において、パターン又は布線の導通を
検査するための導通検出器と導通検出用定電圧電源を有
し、かつ上記電子回路パッケージの電源とアースに定電
位を加えるブリッジ検出用定電圧電源及び当該ブリッジ
検出用定電圧電源による導通電流変化を読取るブリッジ
検出用電流計を備えたことにより、２点間のみの試験で
導通及びブリッジ障害を検出できることから、試験ポイ
ント数が少なくて済む、又、試験構成が非常に簡単な為
、安価に作成する事が出来る効果がある。[Effects of the Invention] As explained above, the present invention provides a two-point measurement type continuity tester for testing continuity of a pattern or wiring of an electronic circuit package and bridging failure. A constant voltage power supply for bridge detection, which has a continuity detector and a constant voltage power supply for continuity detection, and applies a constant potential to the power supply and ground of the electronic circuit package, and a bridge that reads changes in conduction current due to the constant voltage power supply for bridge detection. Equipped with a detection ammeter, it is possible to detect continuity and bridging faults by testing only between two points, so the number of test points is small, and the test configuration is very simple, so it can be made at low cost. There is an effect that can be done.
第１図は本発明の一実施例に係る２点間測定式導通試験
器の回路構成図、第２図は第１図に示す一実施例の動作
を説明するための図である。
１：被試験パッケージ ２：パターン又は布線３：観測
ビン ４：導通検出器５：電流制限用抵抗器
６：導通検出用定電圧電源
７：ブリッジ検出用電流計
８ニブリツジ検出用定電圧電源
９：ＴＦ、流制限用抵抗器
ｌＯ：障害ブリッジ
ｌｌ：導通検出用ループＴＬ流FIG. 1 is a circuit diagram of a two-point measuring continuity tester according to an embodiment of the present invention, and FIG. 2 is a diagram for explaining the operation of the embodiment shown in FIG. 1: Package under test 2: Pattern or wiring 3: Observation bottle 4: Continuity detector 5: Current limiting resistor 6: Constant voltage power supply for continuity detection 7: Ammeter for bridge detection 8 Constant voltage power supply for nib bridge detection 9 :TF, current limiting resistor lO: fault bridge l: continuity detection loop TL flow
Claims (1)
ジ障害を検査する２点間測定式導通試験器において、 パターン又は布線の導通を検査するための導通検出器と
導通検出用定電圧電源を有し、かつ上記電子回路パッケ
ージの電源とアースに定電位を加えるブリッジ検出用定
電圧電源及び当該ブリッジ検出用定電圧電源による導通
電流変化を読取るブリッジ検出用電流計を備えたことを
特徴とする２点間測定式導通試験器。[Scope of Claims] A two-point measuring continuity tester for testing continuity and bridging failure in patterns or wiring of electronic circuit packages, comprising: a continuity detector for testing continuity in patterns or wiring; It has a constant voltage power supply and is equipped with a constant voltage power supply for bridge detection that applies a constant potential to the power supply and ground of the electronic circuit package, and an ammeter for bridge detection that reads changes in conduction current due to the constant voltage power supply for bridge detection. A two-point measurement type continuity tester featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62092357A JPS63256872A (en) | 1987-04-15 | 1987-04-15 | Two-point measurement type continuity tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62092357A JPS63256872A (en) | 1987-04-15 | 1987-04-15 | Two-point measurement type continuity tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63256872A true JPS63256872A (en) | 1988-10-24 |
Family
ID=14052149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62092357A Pending JPS63256872A (en) | 1987-04-15 | 1987-04-15 | Two-point measurement type continuity tester |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63256872A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5396181A (en) * | 1993-02-11 | 1995-03-07 | O'brien; James | Cardiac catheter testing apparatus |
| CN104360215A (en) * | 2014-11-12 | 2015-02-18 | 江苏省电力公司淮安供电公司 | Detection device for multi-point earthing fault of small bus N600 |
-
1987
- 1987-04-15 JP JP62092357A patent/JPS63256872A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5396181A (en) * | 1993-02-11 | 1995-03-07 | O'brien; James | Cardiac catheter testing apparatus |
| CN104360215A (en) * | 2014-11-12 | 2015-02-18 | 江苏省电力公司淮安供电公司 | Detection device for multi-point earthing fault of small bus N600 |
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