Abstract

We present the pulse erasure experimental results on a 5.25-in. (130 mm) 645-megabyte/side sampled servo magneto-optic disk drive. The effect of the relative delay between the erasure pulse and the write pulse on the erase residue is studied.

© 1993 Optical Society of America

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References

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  1. G. Moore, Proc. Soc. Photo-Opt. Instrum. Eng. 695, 230 (1986).
  2. J. Lauffenburger, J. Arachtingi, J. Robins, J. Kim, Proc. Soc. Photo-Opt. Instrum. Eng. 1499, 104 (1991).
  3. H. Ishibashi, M. Moriya, T. Ohta, presented at International Symposium on Optical Memory 1991, Sapporo, Japan, October1–4, 1991, postdeadline paper 4I-26.
  4. M. D. Schultz, H.-P. D. Shieh, M. Kryder, J. Appl. Phys. 63, 3844 (1988).
    [CrossRef]
  5. W. Wang, T. C. Lee, Proc. Soc. Photo-Opt. Instrum. Eng. 1663, 174 (1992).
  6. D. Rugar, C. J. Lin, R. Geiss, IEEE Trans. Magn. 23, 2263 (1987).
    [CrossRef]

1992 (1)

W. Wang, T. C. Lee, Proc. Soc. Photo-Opt. Instrum. Eng. 1663, 174 (1992).

1991 (1)

J. Lauffenburger, J. Arachtingi, J. Robins, J. Kim, Proc. Soc. Photo-Opt. Instrum. Eng. 1499, 104 (1991).

1988 (1)

M. D. Schultz, H.-P. D. Shieh, M. Kryder, J. Appl. Phys. 63, 3844 (1988).
[CrossRef]

1987 (1)

D. Rugar, C. J. Lin, R. Geiss, IEEE Trans. Magn. 23, 2263 (1987).
[CrossRef]

1986 (1)

G. Moore, Proc. Soc. Photo-Opt. Instrum. Eng. 695, 230 (1986).

Arachtingi, J.

J. Lauffenburger, J. Arachtingi, J. Robins, J. Kim, Proc. Soc. Photo-Opt. Instrum. Eng. 1499, 104 (1991).

Geiss, R.

D. Rugar, C. J. Lin, R. Geiss, IEEE Trans. Magn. 23, 2263 (1987).
[CrossRef]

Ishibashi, H.

H. Ishibashi, M. Moriya, T. Ohta, presented at International Symposium on Optical Memory 1991, Sapporo, Japan, October1–4, 1991, postdeadline paper 4I-26.

Kim, J.

J. Lauffenburger, J. Arachtingi, J. Robins, J. Kim, Proc. Soc. Photo-Opt. Instrum. Eng. 1499, 104 (1991).

Kryder, M.

M. D. Schultz, H.-P. D. Shieh, M. Kryder, J. Appl. Phys. 63, 3844 (1988).
[CrossRef]

Lauffenburger, J.

J. Lauffenburger, J. Arachtingi, J. Robins, J. Kim, Proc. Soc. Photo-Opt. Instrum. Eng. 1499, 104 (1991).

Lee, T. C.

W. Wang, T. C. Lee, Proc. Soc. Photo-Opt. Instrum. Eng. 1663, 174 (1992).

Lin, C. J.

D. Rugar, C. J. Lin, R. Geiss, IEEE Trans. Magn. 23, 2263 (1987).
[CrossRef]

Moore, G.

G. Moore, Proc. Soc. Photo-Opt. Instrum. Eng. 695, 230 (1986).

Moriya, M.

H. Ishibashi, M. Moriya, T. Ohta, presented at International Symposium on Optical Memory 1991, Sapporo, Japan, October1–4, 1991, postdeadline paper 4I-26.

Ohta, T.

H. Ishibashi, M. Moriya, T. Ohta, presented at International Symposium on Optical Memory 1991, Sapporo, Japan, October1–4, 1991, postdeadline paper 4I-26.

Robins, J.

J. Lauffenburger, J. Arachtingi, J. Robins, J. Kim, Proc. Soc. Photo-Opt. Instrum. Eng. 1499, 104 (1991).

Rugar, D.

D. Rugar, C. J. Lin, R. Geiss, IEEE Trans. Magn. 23, 2263 (1987).
[CrossRef]

Schultz, M. D.

M. D. Schultz, H.-P. D. Shieh, M. Kryder, J. Appl. Phys. 63, 3844 (1988).
[CrossRef]

Shieh, H.-P. D.

M. D. Schultz, H.-P. D. Shieh, M. Kryder, J. Appl. Phys. 63, 3844 (1988).
[CrossRef]

Wang, W.

W. Wang, T. C. Lee, Proc. Soc. Photo-Opt. Instrum. Eng. 1663, 174 (1992).

IEEE Trans. Magn. (1)

D. Rugar, C. J. Lin, R. Geiss, IEEE Trans. Magn. 23, 2263 (1987).
[CrossRef]

J. Appl. Phys. (1)

M. D. Schultz, H.-P. D. Shieh, M. Kryder, J. Appl. Phys. 63, 3844 (1988).
[CrossRef]

Proc. Soc. Photo-Opt. Instrum. Eng. (3)

W. Wang, T. C. Lee, Proc. Soc. Photo-Opt. Instrum. Eng. 1663, 174 (1992).

G. Moore, Proc. Soc. Photo-Opt. Instrum. Eng. 695, 230 (1986).

J. Lauffenburger, J. Arachtingi, J. Robins, J. Kim, Proc. Soc. Photo-Opt. Instrum. Eng. 1499, 104 (1991).

Other (1)

H. Ishibashi, M. Moriya, T. Ohta, presented at International Symposium on Optical Memory 1991, Sapporo, Japan, October1–4, 1991, postdeadline paper 4I-26.

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Figures (9)

Fig. 1
Fig. 1

Constant areal density geometry progression.

Fig. 2
Fig. 2

Four well-separated data-bit readout signals. The first is a written readout, and the next three readouts were partially erased. A dip at the center was observed on the three partially erased readouts.

Fig. 3
Fig. 3

Written readout signals (upper trace) and residues (lower trace) in the time domain. Residue is not observable at this resolution scale when the erase pulse delay with respect to that of the write pulse is held up to 10 ns. S is the written readout signal without being erased (31.009 mm).

Fig. 4
Fig. 4

Residues measured at the frequency domain (31.009 mm).

Fig. 5
Fig. 5

Written readout signals (upper trace) and residues (lower trace) in the time domain. Residue is not observable at this resolution scale when the erase pulse delay with respect to that of the write pulse is held up to 6 ns. S is the written readout signal without being erased (44.939 mm).

Fig. 6
Fig. 6

Residues measured at the frequency domain (44.939 mm).

Fig. 7
Fig. 7

Written readout signals (upper trace) and residues (lower trace) in the time domain. Residue is not observable at this resolution scale when the erase pulse delay with respect to that of the write pulse is held up to 6 ns. S is the written readout signal without being erased (59.958 mm).

Fig. 8
Fig. 8

Residues measured at frequency domain (59.958 mm).

Fig. 9
Fig. 9

Data-clock jitter measurement on time-interval analyzer. The clock rate per disk revolution is 215,000, and the total sample population measured here is 10,000,000.

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