Abstract: An object of the present invention is to develop a method for predicting and evaluating the meat quality during the cattle fattening stage and, more particularly, a method by which beef marbling standard (BMS) numbers which determine the price of beef carcasses on the market can be estimated during the cattle fattening stage. The present inventors conducted intensive studies with a view to attaining the stated object. As a result, they found that particular mineral contents in cattle's hair correlate to standards for evaluation of meat quality and showed that the meat quality of cattle could be predicted and evaluated before slaughter on the basis of those mineral contents, which eventually has led to the solution of the above-described problem.

Abstract: A lift-off layer made of a non-photosensitive resin or the like deposited on a substrate is put into a pattern inverse to an interconnection pattern by etching employing a molybdenum mask, a metal layer for interconnection metalization is formed on the whole area of the lift-off layer, and the molybdenum mask is removed by electrolytic etching, to simultaneously strip off and remove the metal layer overlying the mask, whereby an interconnection is formed. Thus, the interconnection can be formed in a much shorter time than in a prior-art lift-off technique.