标准名称：	柞蚕绵条
中标分类：	纺织 >> 丝纺织 >> 丝、绸半制品
替代情况：	转化为FZ/T 41004-1999
发布日期：
实施日期：	1991-01-01
首发日期：
作废日期：
出版日期：
页数：	10页

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【英文标准名称】:Informationtechnology-Datainterchangeon120mmand80mmopticaldiskusing+RWDLformat-Capacity:8,55Gbytesand2,66Gbytesperside(recordingspeed2,4x)
【原文标准名称】:信息技术.+RWDL格式120mm和80mm光盘上的数据交换.容量:每面8.55G字节和2.66G字节(记录速度2.4x)
【标准号】:ISO/IEC29642-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC23
【标准类型】:()
【标准水平】:()
【中文主题词】:容量;特性;数据交换;数据介质;数据处理;数据记录;数据存储;数据传送;定义;尺寸;(数据)格式;吉比特;信息交流;信息交换;信息处理;信息技术;机械性能;存储;盒式光盘;操作;光学的;光盘;光学特性;物理属性;性能;质量;只读存储器;读-/写存储装置;记录特性;规范(验收);规范;存储容量;存储媒介;储荷电极;测试;磁道格式;速度;计录性能
【英文主题词】:Capacity;Characteristics;Dataexchange;Datamedia;Dataprocessing;Datarecording;Datastorage;Datatransfer;Definitions;Dimensions;Formats;Gigabit;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Mechanicalproperties;Memory;ODC;Operation;Optical;Opticaldiskcartridges;Opticaldisks;Opticalproperties;Physicalproperties;Properties;Quality;Read-onlymemory;Read-/writememories;Recordingcharacteristics;Specification(approval);Specifications;Storagecapacity;Storagemedia;Storagetarget;Testing;Trackformats;Velocity;Writingproperties
【摘要】:ThisInternationalStandardspecifiesthemechanical,physicalandopticalcharacteristicsof120mmrewritableopticaldiskswithcapacitiesof8,55Gbytesand17,1Gbytes.Itspecifiesthequalityoftherecordedandunrecordedsignals,theformatofthedataandtherecordingmethod,therebyallowingforinformationinterchangebymeansofsuchdisks.Thedatacanbewritten,readandoverwrittenmanytimesusingthephasechangemethod.Thesedisksareidentifiedas+RWDL.ThisInternationalStandardalsospecifies80mmdiskswithcapacitiesof2,66Gbytesand5,32Gbytes.Thesediskshavethesamecharacteristicsasthe120mmdisks,exceptforsomeparametersrelatedtothesmallerdimensions.Allparametersuniqueforthe80mmdisksarespecifiedinAnnexA.ThisInternationalStandardspecifies-tworelatedbutdifferentTypesofthisdisk(seeclause7),-theconditionsforconformance,-theenvironmentsinwhichthediskistobetested,operatedandstored,-themechanical,physicalanddimensionalcharacteristicsofthedisk,soastoprovidemechanicalinterchangebetweendataprocessingsystems,-theformatoftheinformationonthedisk,includingthephysicaldispositionofthetracksandsectors,theerrorcorrectingcodesandthecodingmethod,-thecharacteristicsofthesignalsrecordedonthedisk,thusenablingdataprocessingsystemstoreadthedatafromthedisk.ThisInternationalStandardprovidesfortheinterchangeofdisksbetweenopticaldiskdrives.Togetherwithastandardforvolumeandfilestructure,itprovidesforfulldatainterchangebetweendataprocessingsystems.
【中国标准分类号】:L64
【国际标准分类号】:35_220_30
【页数】:143P;A4
【正文语种】:英语