Search International and National Patent Collections
|1. (WO2018101295) TRANSPARENT ELECTROCONDUCTIVE COVER TAPE|
|Applicants:||DAI NIPPON PRINTING CO., LTD.
|Title:||TRANSPARENT ELECTROCONDUCTIVE COVER TAPE|
Provided is a transparent electroconductive cover tape having adequate seal strength and stable, easy releasability, and that demonstrates excellent antistatic properties with applicability to electronic component packaging while maintaining high transparency. A transparent electroconductive cover tape that can be heat-sealed to a carrier tape, wherein a base material film, an adhesive layer, a first intermediate layer, a second intermediate layer, and a heat-seal layer are laminated in the stated order, the first intermediate layer comprising a polyethylene resin, the second intermediate layer comprising a resin composition that includes an ethylene/α-olefin copolymer and a styrene/butadiene block copolymer, the first intermediate layer and the second intermediate layer being formed by coextrusion, the heat seal layer comprising a transparent electroconductive heat seal material in which electroconductive fine particles have been dispersed in an acrylic resin, and the electroconductive fine particles being barium sulfate particles or silicon dioxide particles in which tin oxide doped with antimony has been coated on the surface, or acicular particles of tin oxide doped with antimony.