Patent ID: 6205000
Filing Date: 2001-03-20
Classification: G11B

Abstract:
A belt driven tape cartridge comprising:a belt drive roller;a pair of belt guide rollers;a pair of hubs on which is wound a length of magnetic tape, thereby forming a tape pack; anda drive belt having a thickness in the range from 50 to 130 .mu.m entrained around the drive roller, the pair of guide rollers, and the tape pack, whereby rotation of the drive roller causes the drive belt to transfer the magnetic tape from one hub to the other, wherein the drive belt comprises a layer of a high stiffness material adjacent to the tape pack and a layer of a low stiffness material further away from the tape pack, wherein a ratio of the thickness of the layer of high stiffness material to the thickness of the low stiffness material is less than 1:1, and the layer of the high stiffness material is at least 1.3 .mu.m thick.