HP Pavilion 7900 HP Pavilion PC's - (English) Philips CDD-4801 CD-RW User's Ma - Page 25
Basic principles of CD-R and -RW media
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01_LAYOUT_GB 22-11-2000 09:21 Pagina 19 CDRW APPENDIX (CONT.) ENGLISH Basic principles of CD-R and -RW media A blank CD-R or -RW disc is divided into areas (see figure below). This differs from a prerecorded disc by the additional CD-R/RW area, which lies in front of the lead-in area. Hole Additional CD-R area Lead-in area Program area Lead-out track A CROSS-SECTION THROUGH A CD-R DISC The disc comprises different layers. Protective area Reflective layer (gold) Recording layer Plastic substrate Preformed tracks • Transparent plastics material (the same as conventional CD's) is used as the substrate. 19
ENGLISH
CDRW
(CONT.)
APPENDIX
APPENDIX
19
Basic principles of CD-R and -RW media
A blank CD-R or -RW disc is divided into areas (see figure below).
This differs from a prerecorded disc by the additional CD-R/RW
area, which lies in front of the lead-in area.
A CROSS-SECTION THROUGH A CD-R DISC
The disc comprises different layers.
•
Transparent plastics material (the same as conventional CD’s)
is used as the substrate.
Preformed tracks
Protective area
Reflective layer (gold)
Recording layer
Plastic substrate
Hole
Additional CD-R area
Lead-in area
Program area
Lead-out track
01_LAYOUT_GB
22-11-2000
09:21
Pagina 19