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Insulation inspecting device and insulation inspecting method

A technology of insulation inspection and inspection department, which is applied in the direction of measuring devices, instruments, measuring electricity, etc., can solve the problems such as the absence of records related to the inspection of spark conditions, and achieve the effect of accurate inspection

Active Publication Date: 2008-10-22
NIDEC-READ CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, in this patent document 1, there is no description about inspections for spark conditions and the like.

Method used

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  • Insulation inspecting device and insulation inspecting method
  • Insulation inspecting device and insulation inspecting method
  • Insulation inspecting device and insulation inspecting method

Examples

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Embodiment Construction

[0035] Hereinafter, embodiments of the insulation inspection device and the insulation inspection method of the present invention will be described with reference to the drawings. In addition, the same reference numerals are attached to the same elements in the drawings, and repeated explanations are omitted.

[0036] The term "circuit board" described in this application document is not limited to printed wiring boards, such as flexible substrates, multilayer wiring boards, electrode plates for liquid crystal displays and plasma displays, packaging substrates for semiconductor packaging, and film carriers implemented. Generic term for various types of wiring boards. That is, the circuit board includes all boards that can be subjected to insulation inspection.

[0037] [Insulation inspection device]

[0038] FIG. 1 is a diagram illustrating an example of a schematic configuration of an insulation inspection device 1 according to the present invention. Here, the insulation i...

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Abstract

An insulation inspecting device and method for inspecting insulation of spark of a circuit board with higher accuracy. The insulation inspecting device (1) is used for inspecting the insulation of a circuit board (10) where wiring patterns (P) are formed. The device (1) comprises selecting means (2) for selecting one of the wiring patterns as a first inspection region (T1 shown in figure 2) and the other wiring patterns as a second inspection region (T2 shown in figure 2), power supply means (3) connected to the second inspection region and adapted to apply a voltage to the second inspection regions as to set a predetermined potential difference between the first and second inspection regions, first current detecting means (4) connected to the first inspection region so as to detect a current flowing to the first inspection region, and judging means (7) for comparing the current value detected by the first current detecting means with a predetermined reference value and judging that the circuit board is an acceptable one or a rejected one on the basis of the result of the comparison.

Description

technical field [0001] The present invention relates to an insulation inspection device and an insulation inspection method, and more specifically, to an insulation inspection device and an insulation inspection method capable of quickly and accurately performing insulation inspection of a circuit board on which a plurality of wiring patterns are formed. Background technique [0002] Conventionally, the insulation inspection of a circuit board having a plurality of wiring patterns is to determine whether the circuit board is a good product or a defective product by judging whether the insulation state between the wiring patterns is good or not (whether sufficient insulation has been ensured). [0003] In such a conventional insulation inspection device, a high voltage (for example, 200V) is applied between two wiring patterns to be inspected to calculate the resistance value between the wiring patterns, and judge whether the insulation state is good or not based on the resist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/02
CPCG01R31/12
Inventor 山下宗宽
Owner NIDEC-READ CORPORATION
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