6. Organization of the Inner Drive Area, Outer Drive Area, Lead-in Zone and
Lead-out Zone
1) Layout of DVD-ROM disc
31
Center
hole
1st transition area
2nd transition area
Clamping
Zone
3rd transtion
area
Information Zone
Lead-in Zone
Lead-in
Zone
Lead -out
Zone
Diameter 15 mm
Diameter 16 mm
Diameter 22 mm
Diameter 33 mm
Diameter 44 mm
Diameter 120 mm
Data Zone
Read Only Disc
Lead-out Zone
Data Zone
Outer Drive
Area
Inner Drive
Area
Inner Disc
Test Zone
Outer Disc
Test Zone
Unrecorded Disc
PSN: 23080H
27080H 27480H 28480H 2A480H 30000H 260540H 261940H 262940H
263940H
267940H
in
OUT
Disc Center
Rim area
Center
hole
1st transition area
2nd transition area
Clamping
Zone
3rd transtion
area
Information Zone
Diameter 15 mm
Diameter 16 mm
Diameter 22 mm
Diameter 33 mm
Diameter 44 mm
Diameter 120 mm
Disc Center
Rim area
Inner Disc
Count Zone
Outer Disc
Count Zone
2) Layout of DVD+R disc
> Inner Disc Test Zone : for performing OPC procedures.
> Inner Disc Count Zone : for counting the number of OPC algorithm performed in IDT Zone.
> Outer Disc Test Zone : for performing OPC procedures.
> Outer Disc Count Zone : for counting the mumger of OPC algorithm performed in IDT Zone.