Electric resistance measuring connector and measuring device and measuring method for circuit board electric resistance
A resistance measurement and resistance measurement technology, applied in the direction of measuring resistance/reactance/impedance, testing/measuring connectors, measuring devices, etc. Achieving sufficient electrical conductivity, etc.
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example 1
[0235] according to Figure 16 and 17 With the structure shown in , a circuit board resistance measuring device was produced under the following conditions. (1) Upper side configuration: [One side circuit board for detection on one side]
[0236] The shape and size of the detection electrode:
[0237] Round, 0.12mm in diameter.
[0238] Detect the spacing between electrodes:
[0239] 0.25mm. [Resistance measurement connector]
[0240] Composite electrode sheet: insulating sheet material: polyimide; insulating sheet thickness: 0.05mm; passing hole shape: truncated cone; front opening diameter: 0.08mm; back opening diameter: 0.12mm; movable electrode material : Nickel; Static electrode material: Copper; Number of through-hole openings surrounded by a stationary electrode; minimum one, maximum 40.
[0241] Front-side anisotropic conductive material layer: elastomer material; silicone rubber; thickness: 0.05 mm; diameter of part forming the conductive path: 0.1 mm...
reference example 2
[0259] It is clear from the results shown in Table 1 that according to the resistance measuring device according to Example 1, resistance can be measured with a small error range (±10 mΩ), which is equivalent to the resistance measured by the four-probe method of measuring resistance with probes, From the standpoint of practical use, however, this achieves a sufficiently high accuracy.
[0260] On the other hand, the resistance measuring device according to Comparative Example 1 caused a large error compared with the resistance value measured by the four-probe method of measuring resistance with probes.
[0261] Effect of the present invention
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