Stock material or miscellaneous articles – Circular sheet or circular blank
Reexamination Certificate
2000-05-18
2008-11-18
Hess, Bruce H (Department: 1794)
Stock material or miscellaneous articles
Circular sheet or circular blank
C430S270130
Reexamination Certificate
active
07452582
ABSTRACT:
In a rewritable compact disc having a wobble groove on a substrate, crystal and amorphous states of a phase-change recording layer are an unrecorded/erased state and a recorded state, respectively. When the recording layer is exposed to recording light, amorphous marks assuming the recorded state are formed. At any of 2-, 4- and 8-times velocities with respect to a reference velocity (1-times velocity) whose linear velocity is 1.2–1.4 m/s, modulation m11of a recorded signal when the recording light of approximately 780 nm in wavelength irradiates the recording layer via an optical system with NA=0.5 or 0.55 is 60–80%. A topmost level Rtopof reflectivity of the eye pattern of the recorded signal during retrieving at the 1-times velocity is 15–25%, and a jitter of the individual length of marks and inter-mark spaces during retrieving at 1-times velocity is 35 ns or less. Recording at 8-times or higher velocities is thereby realized without any risk of impairing the read-compatibility with the conventional CD-RW specifications at least at 4-times velocity.
REFERENCES:
patent: 5221588 (1993-06-01), Morimoto et al.
patent: 5234737 (1993-08-01), Ueno et al.
patent: 5254382 (1993-10-01), Ueno et al.
patent: 5608710 (1997-03-01), Minemura et al.
patent: 5709978 (1998-01-01), Hirotsune et al.
patent: 5761179 (1998-06-01), Iwasaki et al.
patent: 5789055 (1998-08-01), Yoon
patent: 5818808 (1998-10-01), Takada et al.
patent: 5848043 (1998-12-01), Takada et al.
patent: 5862123 (1999-01-01), Horie et al.
patent: 5946279 (1999-08-01), Okada et al.
patent: 6004646 (1999-12-01), Ohno et al.
patent: 6108295 (2000-08-01), Ohno et al.
patent: 6115352 (2000-09-01), Ohno et al.
patent: 6115353 (2000-09-01), Horie et al.
patent: 6143468 (2000-11-01), Ohno et al.
patent: 6177166 (2001-01-01), Ohno et al.
patent: 6231945 (2001-05-01), Miyamoto et al.
patent: 6268034 (2001-07-01), Kitaura et al.
patent: 6280810 (2001-08-01), Nakamura et al.
patent: 6294310 (2001-09-01), Ohno et al.
patent: 6388978 (2002-05-01), Ogawa et al.
patent: 6426929 (2002-07-01), Watabe et al.
patent: 0 797 193 (1997-09-01), None
patent: 0 834 874 (1998-04-01), None
patent: 1 054 393 (2000-11-01), None
patent: 62 062474 (1987-03-01), None
patent: 62 209701 (1987-09-01), None
patent: 0 294 489 (1988-12-01), None
patent: 01014083 (1989-01-01), None
patent: 01063195 (1989-03-01), None
patent: 01303643 (1989-12-01), None
patent: 04028587 (1992-01-01), None
patent: 04212735 (1992-08-01), None
patent: 05016528 (1993-01-01), None
patent: 05062193 (1993-03-01), None
patent: 05-229259 (1993-09-01), None
patent: 6-12674 (1994-01-01), None
patent: 9-138947 (1997-05-01), None
patent: 09-282661 (1997-10-01), None
patent: 92932691 (1997-11-01), None
patent: 10112028 (1998-04-01), None
patent: 10-172179 (1998-06-01), None
patent: 10326436 (1998-12-01), None
patent: 11-115313 (1999-04-01), None
patent: 11-504462 (1999-04-01), None
patent: 11-144310 (1999-05-01), None
patent: 2000-137928 (2000-05-01), None
patent: 2000-233576 (2000-08-01), None
patent: 2001-126252 (2001-05-01), None
patent: 2002-197804 (2002-07-01), None
patent: 97/30444 (1997-08-01), None
“CD-ROM Professional” published in the United States, Sep. 1996, Hugh Bennett, pp. 29-44.
“CD-erasable (CD-E) with Ag-In-Sb-Te Phase Change Recording Material” by Y. Kageyama, et al of R&D Center, R&D Group, Ricoh Co., Ltd. (Assembly of Manuscripts for Phase-Change Optical Recording Symposium, Nov. 30-Dec. 1, 1995, pp. 41-45).
Notification of Reasons for Rejection mailed Feb. 14, 2006.
Decision of Rejection mailed Aug. 16, 2006.
Appeal Decision mailed Jun. 13, 2006.
European Search Report dated Aug. 10, 2006.
OSGA “Universal Disk Format ™ Specification, Revision 1.50” Feb. 4, 1997, OSTA, XP002386923.
Notification of Reason(s) for Refusal mailed Apr. 3, 2007, from the corresponding Japanese Application.
Notice of Rejection mailed Jun. 26, 2007, from the corresponding Japanese Application.
European Search Report dated Feb. 16, 2006.
Partial European Search Report dated May 10, 2006.
Horie Michikazu
Kubo Masae
Nobukuni Natsuko
Ohno Takashi
Hess Bruce H
Katten Muchin & Rosenman LLP
Mitsubishi Kagaku Media Co., Ltd.
LandOfFree
Rewritable optical recording medium recording method on the... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rewritable optical recording medium recording method on the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rewritable optical recording medium recording method on the... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4032175