ISO IEC 16825-1999 Information technology - Case for 120 mm DVD-RAM disks《信息技术 120mm DVD-RAM光盘的情况》.pdf

1、BC Referencenumbe r ISO/IEC16825:1999(E) INTERNATIONAL STANDARD ISO/IEC 16825 Firstedition 19990515 InformationtechnologyCasefor120mm DVDRAMdisks TechnologiesdelinformationCoffretpourdisquesDVDRAMde diamtre 120mmISO/IEC16825:1999(E) ISO/IEC1999 Allrightsreserved.Unlessotherwisespecified,nopartofthis

2、publicationmaybereproducedorutilizedinanyformorbyan ymeans,electronicor mechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. ISO/IECCopyrightOffice Casepostale56 CH1211Genve20 Switzerland PrintedinSwitzerland ii Contents Page Section1General 1 1Scope 1 2Conformanc

3、e 1 3Normativereferences 1 4Definitions 1 4.1Cartridge 1 4.2Case 1 5Conventionsandnotations 1 5.1Representationofnumbers 1 5.2Names 2 6Generaldescriptionofthecase 2 6.1GeneraldescriptionoftheType1case 2 6.2GeneraldescriptionoftheType2case 2 6.3GeneraldescriptionoftheType3case 2 7Generalrequirements

4、3 7.1Environments 3 7.1.1Testenvironment 3 7.1.2Operatingenvironment 3 7.1.3Storageenvironment 4 7.1.4Transportation 4 7.2Temperatureshock 4 7.3Safetyrequirement 4 7.4Flammability 4 Section2DimensionalandMechanicalcharacteristicsofthecase 4 8Dimensionalcharacteristics 4 8.1DimensionsoftheType1case 4

5、 8.1.1Overalldimensions 4 ISO/IEC ISO/IEC16825:1999(E) iii 8.1.2 Locationhole 6 8.1.3 Alignmenthole 6 8.1.4Referencesurfaces 6 8.1.5Insertionslots 7 8.1.6Detents 7 8.1.7Gripperslots 8 8.1.8Writeinhibithole 8 8.1.9Sensorholes 8 8.1.10Sensingareas 9 8.1.11Spindleandheadwindows 9 8.1.12Shuttershape 10

6、8.1.13Pathforshutteropener 11 8.1.14Labelarea 11 8.1.15IdentificationmarksforSidesAandB 11 8.2DimensionsoftheType2case 23 8.2.1Overalldimensions 23 8.2.2Locationhole 24 8.2.3Alignmenthole 24 8.2.4Referencesurfaces 24 8.2.5Insertionslot 25 8.2.6Detents 25 8.2.7Gripperslots 26 8.2.8Writeinhibithole 26

7、 8.2.9Sensorholes 26 8.2.10Sensingareas 27 8.2.11Spindleandheadwindows 27 8.2.12Shuttershape 28 8.2.13 Pathforshutteropener 29 8.2.14Labelarea 29 8.2.15IdentificationmarkforSideA 29 8.2.16Openingandopeningcoverfortakingthediskoutofthecase 30 8.3DimensionsoftheType3case 40 8.3.1Sensorholes 41 8.3.2Op

8、eningandopeningcover 41 9Mechanicalcharacteristics 41 9.1Material 41 9.2Mass 41 9.3Edgedistortion 41 9.4Compliance 41 9.5Shutteropeningforce 41 10Interfacebetweenthecaseusedascartridgeandadrive 41 10.1Capturecylinder 41 10.2Innerdimensionsofthecase 42ISO/IEC16825:1999(E) ISO/IEC iv 11Orientationofth

9、ediskinthecase 44 11.1Twosideddisk(Type2S)incaseType1 44 11.2Onesideddisk(Type1S)incaseTypes1,2and3 44 Annexes APositionofthecaserelativetotheReferencePlanes 45 BEdgedistortiontest 46 CCompliancetest 48 DExamplesofanopeningcoverforType2orType3cases 50 ETransportation 52 ISO/IEC ISO/IEC16825:1999(E)

10、v Foreword ISO(theInternationalOrganizationforStandardization)andIEC(theInternationalElectrotechnicalCommission)formthe specializedsystemforworldwidestandardization.NationalbodiesthataremembersofISOorIECparticipateinthe developmentofInternationalStandardsthroughtechnicalcommitteesestablishedbytheres

11、pectiveorganizationtodealwith particularfieldsoftechnicalactivity.ISOandIECtechnicalcommitteescollaborateinfieldsofmutualinterest.Other internationalorganizations,governmentalandnongovernmental,inliaisonwithISOandIEC,alsotakepartinthework. InternationalStandardsaredraftedinaccordancewiththerulesgive

12、nintheISO/IECDirectives,Part3. Inthefieldofinformationtechnology,ISOandIEChaveestablishedajointtechnicalcommittee,ISO/IECJTC1.Draft InternationalStandardsadoptedbythejointtechnicalcommitteearecirculatedtonationalbodiesforvoting.Publicationasa n InternationalStandardrequiresapprovalbyatleast75%ofthen

13、ationalbodiescastingavote. ThisInternationalStandardwaspreparedbyJISC(asStandardJISX62441998)withdocumentsupportandcontribution fromECMAandwasadopted,underaspecial“fasttrackprocedure”,byJointTechnicalCommitteeISO/IECJTC1, Informationtechnology ,inparallelwithitsapprovalbynationalbodiesofISOandIEC. A

14、nnexesAtoCformanormativepartofthisInternationalStandard.AnnexesDandEareforinformationonly. .INTERNATIONALSTANDARD ISO/IEC ISO/IEC16825:1999(E) 1 InformationtechnologyCasefor120mmDVDRAMdisks Section1General 1 Scope ThisInternationalStandardspecifiesthecharacteristicsofacaseforusewith120mmDVDRAMdisksa

15、sspecifiedin ISO/IEC16824.ThisInternationalStandardspecifiesthreerelated,butdifferentimplementationsofsuchcases,viz. Type1 Providesacaseforaonesided(Type1S)oratwosided(Type2S)DVDRAMdisksuchthatthediskcan notberemovedfromthecase.Thiscaseisreversible. Type2 ProvidesacaseforaonesidedDVDRAMdisk(Type1S)s

16、uchthatthediskmayberemovedfromthe case.Thiscaseisnotreversible. Type3 ProvidesacaseintowhichaonesidedDVDRAMdisk(Type1S)maybeinserted,thenusedasa cartridge.Thiscaseisnotreversible. ThisInternationalStandardspecifies - theenvironmentsinwhichthecasesaretobeoperatedandstored; - thedimensionalandmechanic

17、alcharacteristicsofthecase,soastoprovidemechanicalinterchangeabilitybetweendata processingsystems; ThisInternationalStandardprovidesformechanicalinterchangebetweenopticaldiskdrives.Togetherwith120 mm DVDRAMdisksaccordingtoISO/IEC16824andastandardforvolumeandfilestructure,itprovidesforfulldata interc

18、hangebetweendataprocessingsystems. 2 C onformance AclaimofconformancewiththisInternationalStandardshallspecifytheTypeimplemented.Acaseshallbeinconformance withthisInternationalStandardifitmeetsthemandatoryrequirementsspecifiedhereinforitsType. 3 Normative references Thefollowingnormativedocumentscon

19、tainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthis InternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublicationsdonot apply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedtoinvestigatethepossibilityof applyingthem

20、ostrecenteditionsofthenormativedocumentsindicatedbelow.Forundatedreferences,thelatesteditionofthe normativedocumentreferredtoapplies.MembersofISOandIECmaintainregistersofcurrentlyvalidInternationalStandards. IEC950:1991, Safetyofinformationtechnologyequipment. ISO/IEC 16824:1999, Informationtechnolo

21、gy120mmDVDrewritabledisk(DVDRAM). 4 Definitions ForthepurposesofthisInternationalStandard,thefollowingdefinitionsapply. 4.1 Cartridge: Adeviceconsistingofacasecontainingarewritabledisk. 4.2 Case: Thehousingforanopticaldisk,thatprotectsthediskandfacilitatesdiskinterchange. 5 Conventionsandnotations 5

22、1 Representationofnumbers Ameasuredvalueisroundedofftotheleastsignificantdigitofthecorrespondingspecifiedvalue.Forinstance,itimplies that aspecifiedvalueof1,26withapositivetoleranceof+0,01andanegativetoleranceof0,02allowsarangeofmeasured valuesfrom1,235to1,275.ISO/IEC16825:1999(E) ISO/IEC 2 5.2 Nam

23、es Thenamesofentities,e.g.specificsides,etc.aregivenacapitalinitial. 6 Generaldescriptionofthecase 6.1 GeneraldescriptionoftheType1case(Figure1) Thecaseisarigidprotectivecontainerofrectangularshape.SidesAandBofthecaseareidenticalasfarasthefeatures given hereareconcerned.ReferencestoSidesAandBoftheca

24、secanbechangedtoBorArespectively.Whentheopeningofthe oneisaheadandspindlewindowforthespindleandtheopticalheadofthedrive,thatoftheotherisanaccesswindowfort he diskclampingapparatus.Ashutteruncoversthewindowsuponinsertionintothedrive,andautomaticallycoversthemupon removalfromthedrive.Thecasehasfeature

25、sthatenableadrivetorejectamisinsertedcartridge,toinhibitwriting,senso r holes,detentsforautoloadingandaverticaluse,gripperslotsforanautochanger,labelareasandsideidentificationmarks. SidesAandBofthecasehavethesameconfiguration. 6.2 GeneraldescriptionoftheType2case(Figure2) TheType2casehasthesamefeatu

26、resastheType1case,butwithsomedifferences.TheshapeofthecaseisdifferentonSid e AandonSideB.SideAdoesnotneedtohavealocationhole,analignmenthole,ReferenceSurfaces,awriteinhibithole, sensorholesandsensingareas.Thecasehasanopeningclosedbyacover.Thiscovercanbeopened.Inopenposition,the diskcanbetakenoutofth

27、ecase.SensorholeA1isoriginallyclosed.Whenthediskhasbeenremovedfromthecase,thenthis holeremainspermanentlyopen,indicatingthattheoriginaldiskcontainedinthecasehasbeenremovedatleastonceorhas beenreplacedbyanotherdisk. 6.3 GeneraldescriptionoftheType3case(Figure2) TheType3caseisidenticalwithType2caseexc

28、eptthatthesensorholeA1isalwaysopen. Figure1GeneralviewoftheType1case,seenfromSideA ISO/IEC ISO/IEC16825:1999(E) 3 Edgefortheshutteropener Shutter CaseSide A DiskSide B Detentforverticaluse Gripperslot Openingcover Labelarea Detentfor autoloading Identificationmark ofCaseSideA Spindleandheadwindows I

29、nsertionslot 970093A Figure2GeneralviewoftheType2andType3cases,seenfromSideA 7 General requirements 7.1 Environments 7.1.1 Test environment Thetestenvironmentistheenvironmentwheretheairimmediatelysurroundingthecasehasthefollowingproperties: Temperature :23C2C Relativehumidity :50%5% Atmosphericpress

30、ure :86kPato106kPa Nocondensationonorinthecaseorcartridgeshalloccur.Beforetesting,thecaseorcartridgeshallbeconditionedinthis environmentfor48hoursminimum. Unlessotherwisestated,alltestsandmeasurementsshallbemadeinthistestenvironment. 7.1.2 Operating environment ThisInternationalStandardrequiresthata

31、casewhichmeetsallrequirementsofthisInternationalStandardinthespecified test environmentprovidesmechanicalinterchangeoverthespecifiedrangesofenvironmentalparametersintheoperating environment.WhenthecaseaccordingtothisInternationalStandardcontainsaDVDRAMdiskaccordingtoInternational StandardISO/IEC1682

32、4,theyconstitutetogetheracartridge.Thiscartridgeshallmeettherequirementsofthisclauseand providesfordatainterchange.ISO/IEC16825:1999(E) ISO/IEC 4 Theoperatingenvironmentistheenvironmentwheretheairimmediatelysurroundingthecaseorcartridgehasthefollowing properties: Temperature :5Cto60C Relativehumidit

33、y :3%to85% Absolutehumidity :1g/m 3 to30g/m 3 Temperaturegradient :10C/hmax. Relativehumiditygradient :10%/hmax. Nocondensationonorinthecaseorcartridgeshalloccur.Ifthecaseorcartridgehasbeenexposedtoconditionsoutsideth ose specifiedinthisclause,itshallbeacclimatizedintheoperatingenvironmentforatleast

34、2hbeforeuse. 7.1.3 Storage environment Thestorageenvironmentisdefinedasanenvironmentwheretheairimmediatelysurroundingthecaseorcartridgehasthe followingproperties. Temperature :10Cto50C Relativehumidity :3%to85% Absolutehumidity :1g/m 3 to30g/m 3 Atmosphericpressure :75kPato106kPa Temperaturegradient

35、 :10C/hmax. Relativehumiditygradient :10%/hmax. Nocondensationonorinthecaseorcartridgeshalloccur. 7.1.4 Transportation ThisInternationalStandarddoesnotspecifyrequirementsfortransportation;guidanceisgiveninannexE. 7.2 Temperature shock Thecaseshallbewithstandatemperatureshockofupto20 Cwheninsertedint

36、o,orremovedfrom,thedrive. 7.3 Safety requirement ThecaseshallsatisfythesafetyrequirementsofStandardIEC950,whenusedintheintendedmannerorinanyforeseeable useinaninformationprocessingsystem. 7.4 Flammability ThecaseshallbemadefrommaterialsthatcomplywiththeflammabilityclassforHBmaterials,orbetter,asspec

37、ifiedin IEC950. Section2DimensionalandMechanicalcharacteristicsofthecase 8 Dimensional characteristics ThedimensionsofthecaseshallbereferredtothreeorthogonalReferencePlanesX,YandZ.Thecaseshallbeconstrained suchthatfourreferencesurfacesS1toS4onSideBofthecaselieinReferencePlaneZ.Theintersectionoftheth

38、reeplanes definesthecentreofthelocationhole.ThecentreofthealignmentholeshalllieontheintersectionofReferencePlanesXa nd Z.RefertoannexA.Adimensionofafeaturereferencedtooneoftheplanesistheshortestdistancefromthefeaturetothe plane. SideAoftheType1caseisreferredtothethreeorthogonalReferencePlanesX,YandZ

39、where - YisaplaneparalleltoReferencePlaneYatanominaldistanceof102,0mm, - ZisaplaneparalleltoReferencePlaneZatanominaldistanceof8,0mm. 8.1 DimensionsoftheType1case ThedimensionsoftheType1caseshallbemeasuredinthetestenvironment.Thedimensionsofthecaseinanoperating environmentcanbeestimatedfromthedimen

40、sionsspecifiedinthisclause. 8.1.1 Overalldimensions(Figure3) Thetotallengthofthecaseshallbe ISO/IEC ISO/IEC16825:1999(E) 5 L 101 =135,5mm0,4mm. ThedistancefromthetopofthecasetoReferencePlaneXshallbe +0,3mm L 102 =112,5mm - 0,2mm withthewidth L 103 =3,6mmmin. fromthelefthandandrighthandedgesofthecase. ThedistancefromthebottomofthecasetoReferencePlaneXshallbe L 104 =23,0mm0,2mm. Thetotalwidthofthecaseshallbe +0,0mm L 105 =124,6mm - 0,5mm. ThedistancefromthelefthandsideofthecasetoReferencePlaneYshallbe +0,2mm L 106 =113,3mm - 0,4mm.