【英文标准名称】:StandardPracticeforViewingConditionsforVisualInspectionofMembraneSwitches
【原文标准名称】:薄膜开关目测检验时观测条件的标准实施规程
【标准号】:ASTMF1595-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F01.18
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:continuousscanningmotion;foot-candles;membraneswitches;overlays;windowareas
【摘要】:Thispracticeisdesignedtoenableallmanufacturersandusersofmembraneswitchestoperformvisualinspectionsunderuniformconditions.Theaimistoeliminatekeyvariablesintheinspectionproceduressospecimenscanbeviewedmoreobjectively.Viewingspecimensundertheseconditionscouldrevealcosmeticdefectsinthespecimen.Manyofthesedefectsorflawsareduetovariablesintherawmaterialsorthemanufacturingprocess.Thesecosmeticflawsordefectsdonotnecessarilymeanthatthespecimenisdefective.Thedeterminationofwhetheraspecimenisacceptableordefectivevarieswiththeapplicationandtheneedsoftheuser.Therefore,customerandvendormustagreeonacceptablequalitystandardspriortomanufacturing.Thispracticedoesnotestablishstandardsforacceptabilityofspecimens,onlyhowtheymustbeviewed(inspected).Thispracticeisnotintendedtobeusedforcolormatchingpurposes.Colormatchingmustbeperformedundermorepreciselightingconditionsoutsidethescopeofthispractice.1.1Thispracticecoversproceduresforperformingvisualinspectionofmembraneswitches.Thisincludesvisualinspectionofoverlaysandcircuitry.1.2Thispracticedefineslightingparameters,distancefromeyetospecimen,viewingangle,andtheviewingtimeallowedforaspecificsizespecimen.1.3Thispracticeisonlydesignedforvisualinspectionofaestheticqualitiesofmembraneswitches.Itisnotintendedforcolormatchingorglossmeasurement.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K31
【国际标准分类号】:31_220_20
【页数】:2P.;A4
【正文语种】: