FIG. 9 illustrates the ??? dimensional tolerance limitations that may be followed by the designer of unsintered circuit patterns such as are shown in FIGS. 7A and 8A. FIG. 9 is a vertical cross section through a group of laminated workpieces 1 taken through molybdenum paste filled via holes 58, their caps 60 and circuit lines 59 (see FIGS. 7A and/or 8A) for reference locations near the upper left