Structure and method for measuring resistance of through hole
A technology of resistance measurement and resistance, which is applied in the direction of measuring devices, measuring electrical variables, measuring resistance/reactance/impedance, etc., can solve the problems of inability to measure through-hole resistance, reduce measurement efficiency, and reduce measurement quality, so as to avoid measurement failure , Improving the measurement quality and improving the measurement efficiency
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Embodiment 1
[0034] Embodiment 1, a two-layer measurement structure with two interconnection lines and one through hole.
[0035] figure 1 and figure 2 They are the top view and cross-sectional view of the two-layer measurement structure in the first embodiment of the present invention respectively. Combining with this figure, it can be seen that the two-layer measurement structure in this embodiment includes: top-layer interconnection lines 11 and bottom-layer interconnection lines 12, which are respectively connected to communication channels. The top and bottom layers of hole 13; wherein:
[0036] The top-level interconnection lines 11 and the bottom-level interconnection lines 13 are perpendicular to each other and are respectively located in different metal layers in the integrated circuit; and
[0037] The length, width and material of the top-level interconnection line 11 and the bottom-level interconnection line 13 are the same; and
[0038] Four resistance measurement points 1...
Embodiment 2
[0042] Embodiment 2, a three-layer measurement structure with three interconnection lines and two through holes.
[0043] image 3 It is a top view of the three-layer measurement structure in the second embodiment of the present invention. It can be seen from the figure that the three-layer measurement structure in this embodiment includes three interconnection lines and a first through hole 34 and a second through hole 37;
[0044]Among the three interconnection lines, the two ends of one interconnection line 31 are respectively connected to the top of the first through hole 34 and the bottom of the second through hole 37, and the other interconnection line 32 is connected to the bottom of the first through hole 34. , and the third interconnection line 33 is connected to the top of the second via hole 37 . Among them, the labels 35 and 36 represent the resistance measurement point and the lead terminal respectively, and the label L 1 "~L 4 ” represent the distance from the...
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