Circuit board storage bag and storage rack

A storage rack for mounting a plurality of circuit board storage bags, the storage rack comprising:

• an inclined mounting surface for mounting the circuit board storage bag and a bag stopper arranged at the lower end of the mounting surface;
• wherein the circuit board storage bags mounted in vertical position on the mounting surface are accommodated on one side at the lower end of the mounting surface;
• an inward delivery port for receiving the circuit board storage bags from the upstream side of the inclined mounting surface and an outward delivery port for recovering the circuit board storage bags from the downstream side of the mounting surface, and wherein the circuit board storage bag for accommodating a circuit board comprises:
• a front surface portion and a rear surface portion in opposed relation to the obverse surface and the reverse surface, respectively, of the circuit board accommodated in the circuit board storage bag in closed state;
• and
• a connecting portion for connecting the front surface portion and the rear surface portion adapted to bend at the connecting portion thereby to close the circuit board storage bag.