Toray Industries, Inc.

Shozo Masuda

Osamu Watanabe

Yoshikazu Sato

Ozora Yoshino

An electroconductive stack body having on at least one side surface of a substrate an electroconductive layer that has a network structure that is made by a linear structural body, wherein, an opening portion that satisfies Expression (1) in an opening area of an opening portion that is formed by the network structure, average value A of the opening area is less than or equal to 20 &#x3bc;mand variation deviation &#x3c3;of the opening area defined by Expression (2) is less than or equal to 26 &#x3bc;m:X&#x3c;Xmax &#xd7;0.9 &#x2003;&#x2003;Expression (1)&#x3c3;={&#x3a3;(X&#x2212;A))/N}(wherein for &#x3a3;,=1 to N) &#x2003;&#x2003;Expression (2)wherein in the expressions, X represents each of the opening areas of the opening portions that satisfy Expression (1), Xmax represents the maximum value of each opening area, A represents the average value of the opening areas X, and N represents the total number of the opening portions that satisfy Expression (1).

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Otsu, Japan

Shozo Masuda