| 摘要 |
FIELD: physics.SUBSTANCE: invention relates to electronic engineering and specifically to a method, a device and a system for authenticating electronic articles (packaged devices, blocks, modules). The method comprises transmitting an input signal with frequency in the range of fto fto a socket, said frequency being selected such that characteristic resonance frequencies of the internal volume of the housingwhere c is the speed of light, Ldenotes characteristic dimensions - height, width and depth of the housing of the article under analysis, are lower than f. Electrical characteristics of the output signal are measured and then compared with similar characteristics of a reference signal obtained using a sample from the same batch of articles with an internal structure that was investigated in detail in advance and was selected as a reference sample.EFFECT: non-destructive authentication of a batch of devices and faster analysis.5 cl, 6 dwg |
