Patent ID: 9453146
Filing Date: 2016-09-27
CPC Classification: B32B,C08K,C09J,H01L,Y10T

Claim Text:
1. A cover tape comprising at least a substrate layer and an adhesive layer to be heat-sealed to a resin carrier tape; further comprising an antistatic layer on a surface of the substrate layer opposite to the adhesive layer; wherein the antistatic layer comprises at least an inorganic antistatic agent and a wax with an average particle size of 0.2 to 3.0 μm; the inorganic antistatic agent is in an amount of 40 to 80 mass %, and the wax is in an amount of 10 to 50 mass % with respect to all components constituting the antistatic layer; and a surface resistivity on a substrate layer side is 10 13 Ω/□ or less in an atmosphere of 23° C.×30% RH.