GRIDS 111.The choice of a Bucky grid by J. G. B o n e n k a m p and W . H o n d i u s B o l d i n g hIt was shown in P. 11, heading (I), that the lead content is a better measure of the quality of a Bucky grid than the ratio.I n order to gain deeper knowledge of this subject it is necessary t o calculate the transmission of the primary and of the scattered radiation as a function of the quantities determining the construction of the grid.For this purpose we shall use the following symbols (see Fig. 1): p (cm-1) the effective absorption-coefficient of the interspacing, which is dependent on voltage and phantom thickness d (cm) the thickness of the lead lamellae
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Bonenkamp et al. (1959) studied this question.