Disclosed is a servo writer which forms servo bands on information recording media so as to enable a drive to track the servo bands with great accuracy by using a recording/reproducing head. The servo writer includes a driving mechanism for running a tape-shaped information recording medium, a servo pattern writing means for writing servo patterns on the running tape-shaped information recording medium, thereby forming servo bands thereon, and a tape edge forming mechanism for cutting evenly an edge of the running tape-shaped information recording medium, so that the edge becomes parallel to the servo bands.
1. A servo writer comprising:
a driving mechanism for running a tape-shaped information recording medium;
a servo pattern writing means for writing servo patterns on the running tape-shaped information recording medium, thereby forming servo bands thereon; and
a tape edge forming mechanism for cutting evenly an edge of the running tape-shaped information recording medium, so that the edge becomes parallel to the servo bands.
2. The servo writer according to claim 1 ,
wherein the tape edge forming mechanism is positioned next to and downstream of the servo pattern writing means with respect to a running direction of the tape-shaped information recording medium.
3. The servo writer according to claim 1 , wherein the tape edge forming mechanism comprises a laser irradiating mechanism.
4. The servo writer according to claim 3 ,
wherein the laser irradiating mechanism has a gas laser.
5. The servo writer according to claim 3 ,
wherein the laser irradiating mechanism has a solid state laser.
6. The servo writer according to claim 3 ,
wherein the laser irradiating mechanism has a semiconductor laser.
7. The servo writer according to claim 3 ,
wherein the laser irradiating mechanism has a dye laser.
8. The servo writer according to claim 3 ,
wherein the laser irradiating mechanism has a carbon dioxide gas laser.
9. The servo writer according to claim 1 ,
wherein the tape edge forming mechanism comprises a Goebel slitter.
10. The servo writer according to claim 1 ,
wherein the tape edge forming mechanism comprises a jet discharge mechanism for discharging fluid in a jet.
11. The servo writer according to claim 1 , further comprising a cleaning mechanism for cleaning the tape-shaped information recording medium, the cleaning mechanism being positioned downstream of the tape edge forming mechanism with respect to a running direction of the tape-shaped information recording medium.
12. The servo writer according to claim 1 , wherein the tape-shaped information recording medium is a magnetic tape.
13. The servo writer according to claim 1 , wherein the tape-shaped information recording medium is an optical tape.
14. The servo writer according to claim 1 , wherein the tape-shaped information recording medium is cut on both edges so that the edges become parallel to the servo bands.
15. The servo writer according to claim 1 , wherein the tape edge forming mechanism is secured to the servo pattern writing means.
16. A servo writer comprising:
a driving mechanism for running a tape-shaped information recording medium;
a tape edge forming mechanism for cutting evenly an edge of the running tape-shaped information recording medium; and
a servo pattern writing means for recording servo patterns on the tape-shaped information recording medium, thereby forming servo bands arranged parallel to the edge of the tape-shaped information recording medium,
wherein the tape edge forming mechanism cuts the edge of the running tape-shaped information recording medium such that the edge forms a reference for writing servo patterns.
17. The servo writer according to claim 16 ,
wherein the tape edge forming mechanism comprises a Goebel slitter.
18. The servo writer according to claim 16 , wherein the tape-shaped information recording medium is a magnetic tape.
19. The servo writer according to claim 16 , wherein the tape-shaped information recording medium is an optical tape.
20. The servo writer according to claim 16 , wherein the tape edge forming mechanism is secured to the servo pattern writing means.
21. The servo writer according to claim 16 , wherein the tape edge forming mechanism cuts the edge of the running tape-shaped information recording medium in direction of tape travel.
22. A servo writer comprising:
a driving mechanism for running a tape-shaped information recording medium;
a tape edge forming mechanism for cutting evenly an edge of the running tape-shaped information recording medium; and
a servo pattern writing means for recording servo patterns on the tape-shaped information recording medium, thereby forming servo bands arranged parallel to the edge of the tape-shaped information recording medium,
wherein the tape edge forming mechanism comprises a laser irradiating mechanism.
23. The servo writer according to claim 22 ,
wherein the laser irradiating mechanism has a gas laser.
24. The servo writer according to claim 22 ,
wherein the laser irradiating mechanism has a solid state laser.
25. The servo writer according to claim 22 ,
wherein the laser irradiating mechanism has a semiconductor laser.
26. The servo writer according to claim 22 ,
wherein the laser irradiating mechanism has a dye laser.
27. The servo writer according to claim 22 ,
wherein the laser irradiating mechanism has a carbon dioxide gas laser.
28. A servo writer comprising:
a driving mechanism for running a tape-shaped information recording medium;
a tape edge forming mechanism for cutting evenly an edge of the running tape-shaped information recording medium; and
a servo pattern writing means for recording servo patterns on the tape-shaped information recording medium, thereby forming servo bands arranged parallel to the edge of the tape-shaped information recording medium,
wherein the tape edge forming mechanism comprises a jet discharge mechanism for discharging fluid in a jet.
29. A servo writer comprising:
a driving mechanism for running a tape-shaped information recording medium;
a tape edge forming mechanism for cutting evenly an edge of the running tape-shaped information recording medium;
a servo pattern writing means for recording servo patterns on the tape-shaped information recording medium, thereby forming servo bands arranged parallel to the edge of the tape-shaped information recording medium; and
a cleaning mechanism for cleaning the tape-shaped information recording medium, the cleaning mechanism being positioned downstream of the tape edge forming mechanism with respect to a running direction of the tape-shaped information recording medium.
30. A servo writer comprising:
a driving mechanism for running a tape-shaped information recording medium;
a tape edge forming mechanism for cutting evenly an edge of the running tape-shaped information recording medium; and
a servo pattern writing means for recording servo patterns on the tape-shaped information recording medium, thereby forming servo bands arranged parallel to the edge of the tape-shaped information recording medium,
wherein the tape-shaped information recording medium is cut on both edges so that the edges become parallel to the servo bands.