ReferencenumberISO/IEC13170:2009(E)©ISO/IEC2009INTERNATIONALSTANDARDISO/IEC13170Firstedition2009-11-01Informationtechnology—120mm(8,54Gbytesperside)and80mm(2,66Gbytesperside)DVDre-recordablediskforduallayer(DVD-RWforDL)Technologiesdel'information—DisqueDVDréenregistrablede120mm(8,54Goparface)et80mm(2,66Goparface)pourdoublecouche(DVD-RWpourDL)ISO/IEC13170:2009(E)PDFdisclaimerThisPDFfilemaycontainembeddedtypefaces.InaccordancewithAdobe'slicensingpolicy,thisfilemaybeprintedorviewedbutshallnotbeeditedunlessthetypefaceswhichareembeddedarelicensedtoandinstalledonthecomputerperformingtheediting.Indownloadingthisfile,partiesacceptthereintheresponsibilityofnotinfringingAdobe'slicensingpolicy.TheISOCentralSecretariatacceptsnoliabilityinthisarea.AdobeisatrademarkofAdobeSystemsIncorporated.DetailsofthesoftwareproductsusedtocreatethisPDFfilecanbefoundintheGeneralInforelativetothefile;thePDF-creationparameterswereoptimizedforprinting.EverycarehasbeentakentoensurethatthefileissuitableforusebyISOmemberbodies.Intheunlikelyeventthataproblemrelatingtoitisfound,pleaseinformtheCentralSecretariatattheaddressgivenbelow.COPYRIGHTPROTECTEDDOCUMENT©ISO/IEC2009Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO'smemberbodyinthecountryoftherequester.ISOcopyrightofficeCasepostale56•CH-1211Geneva20Tel.+41227490111Fax+41227490947E-mailcopyright@iso.orgWebwww.iso.orgPublishedinSwitzerlandii©ISO/IEC2009–AllrightsreservedISO/IEC13170:2009(E)©ISO/IEC2009—AllrightsreservediiiContentsPageForeword...........................................................................................................................................................viiIntroduction......................................................................................................................................................vii...