To suppress the deflection of a tape by improving the welding accuracy of a hub and a flange and lessening flange deflection at the time of rotation.

The tape reel is separately provided with positioning portions 6, 7 of a cylindrical hub 2 to be wound with the tape on its outer peripheral surface 2a and a disk-shaped flange 4 and welding portions 8 and 9 for welding both via a welding rib 8a in welding the flange 4 to the end of the hub 2 and is constituted by welding the welding portions 8 and 9 in the state of pressing the positioning portions 6, 7 thereto.