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In the fabrication of superconducting devices using REBCO coated conductors,splice joint is one of important issues.In this study,a novel splicing method with silver nano paste was tried to decrease contact resistivity and replace conventional soldering.Temperature variable hot press was fabricated to joint two REBCO tapes.Commercial silver nano paste was directly coated on the surface of GdBCO tapes.Jointed samples were heat treated for sintering in various temperature conditions.Joint pressure was varied in the range of 0 to 20 MPa.