Mathematical modeling of the parameters of accuracy multilayer printed wiring boards

V. I. Ievlev, N. Smirnov
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Abstract

Accuracy analysis of the basic geometrical parameters of multilayer printed wiring boards (ML-PWB) is considered. It is emphasized that ML-PWB, in contrast to many types of instrument making products may contain thousands of holes, and surrounding the contact pads on the accuracy of manufacturing which are increased requirements. The theoretical distribution laws (Gauss, Pearson, etc.) are considered as mathematical models of production errors. The calculations of the probability of acceptance ML-PWB using various models are presented. The results can be used in the technological calculations of accuracy parameters of ML-PWB.
高精度多层印制线路板参数的数学建模
对多层印刷线路板的基本几何参数进行了精度分析。需要强调的是,ML-PWB与许多类型的仪器制造产品相比,可能包含数千个孔,并且对周围接触垫的制造精度提出了更高的要求。理论分布规律(高斯、皮尔逊等)被认为是生产误差的数学模型。介绍了各种模型对ML-PWB的验收概率的计算。所得结果可用于ML-PWB精度参数的工艺计算。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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