Patent ID: 7515382

Claim:
A tape guide roller configured for a tape translation system, said tape translation system configured to allow translation of a tape in a longitudinal direction of said tape and in circumferential direction about said tape guide roller, said tape guide roller comprising: a cylindrical barrel having a central axis perpendicular to said longitudinal direction of said tape, and having a cylindrical peripheral surface parallel to said central axis; said cylindrical peripheral surface comprising smooth cylindrical surface zones alternating in said circumferential direction about said cylindrical peripheral surface with non-smooth cylindrical surface zones, each of said non-smooth cylindrical surface zones comprising a defined rectangular continuous area extending in said circumferential direction and in the axial direction, and wherein each of said smooth cylindrical surface zones comprises a continuous area extending between two said non-smooth cylindrical surface zones in said circumferential direction a distance greater than a wrap distance of said tape in said circumferential direction.