PURPOSE: To improve the handling performance of a taped product by providing the first inspection mark for confirming a positioning mark and the presence of a product bonding at the product bonding positin or its periphery and providing the second inspection mark for confirming the quantity at every prescribed number of bonding holes.

CONSTITUTION: A mark of an index of positioning accuracy, i.e., a positioning mark 10 is provided at the position of a bonding hole 3 formed along substantially center line of a carrier tape 1 or its periphery, and the first inspection mark 11 of the hole for confirming the presence of bonding a product A is provided on the tape 1. The mark 11 is preferably disposed at the position for concealing the mark 11 when the product A is bonded with the taping carrier tap and can readily confirm the extraction of the product at the prescribed position by an automatic mounting machine at the user's side of the taped product. Further, the second inspection mark 12 for confirming the quantity at every prescribed quantity of bonded products is provided at the prescribed position of the tape 1. The marks 10, 11, 12 are judged by a transmission light sensor or bare eyes.