Testing device and testing method of IGBT device and electronic equipment
A technology of a testing device and a testing method, which is applied in the testing, measuring device, measuring electricity and other directions of a single semiconductor device, can solve the problems of difficulty in testing contact resistance, complicated measurement, etc., so as to avoid multiple testing errors, accurate testing results, and simple testing. Effect
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[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.
[0046] The calculation of the contact resistance of traditional IGBT devices usually needs to measure the equivalent root-mean-square surface roughness of the pressure contact surface, the equivalent average absolute surface slope, the harmonic mean of the thermal conductivity of the contact interface, and the relative softness of the two contact materials. M...
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