| abstract |
The present invention relates to an ink composition for forming a discolored layer that is discolored by a plasma treatment, and it is suppressed to such an extent that the discolored layer is gasified or scattered due to fine debris by the plasma treatment so as not to affect electronic device characteristics, Thereby providing a good plasma processing detection ink composition. More specifically, the present invention relates to an ink composition for forming a discolored layer that is discolored by a plasma treatment, which comprises a metal containing at least one element selected from the group consisting of Mo, W, Sn, V, Ce, An oxide particle and a binder resin. |