Smart card capable of measuring welding spot tension and welding spot tension measuring method thereof
A tension value and smart card technology, applied in the field of radio frequency identification, can solve the problems of enterprise loss, impact on customer delivery, inaccurate measurement of tension value, etc., to achieve the effect of reducing scrap rate, simplifying production process and improving production efficiency
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[0013] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0014] see figure 1 , figure 2 and image 3 , an embodiment of the present invention: a smart card capable of measuring the tension value of solder joints, including a substrate 1 and a chip 2, the chip 2 is welded in the substrate 1, a coil 3 is provided in the substrate 1, and a first lead wire 4 is provided on the coil 3 and the second lead-out line 5; the first lead-out line 4 is longer than the second lead-out line 5, and the first lead-out line 4 and the second lead-out line 5 are welded to the chip 2 respectively.
[0015] In this embodiment, the first lead-out line 4 is set in a convoluted shape, and the second lead-out line 5 is set i...
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