| abstract |
(A) an ionic liquid containing a cyclic quaternary nitrogen-containing cation, (B) a quaternary ammonium salt, and (D) a cationic quaternary ammonium salt. C) an antistatic layer containing a polyalkylene glycol, wherein the anion constituting the ionic liquid (A) containing the cyclic quaternary nitrogen-containing cation and the quaternary ammonium salt (B) is at least one selected from the group consisting of carboxylic acids, sulfuric acid esters , Phosphoric acid esters, sulfonic acids, phosphoric acids, and an electronic component package using the cover tape. |