ASTM D1825-2003 电气试验用镀铜电绝缘材料及热固性层压材料的浸蚀和清洗标准实施规范

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【英文标准名称】:StandardPracticeforEtchingandCleaningCopper-CladElectricalInsulatingMaterialsandThermosettingLaminatesforElectricalTesting
【原文标准名称】:电气试验用镀铜电绝缘材料及热固性层压材料的浸蚀和清洗标准实施规范
【标准号】:ASTMD1825-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D09.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:叠层板材;工艺;电气试验;清洁器;电绝缘;绝缘;铜;电气工程;覆层;蚀刻
【英文主题词】:cleaning;copper-cladlaminates;etching;thermosettinglaminates
【摘要】:Theprocedureusedforetchingthecopperfoilfromthebaseinsulatingmaterialsmaysignificantlyaffecttheresultsofelectricaltests.Thisistrueprimarilyfortworeasons.First,thegeometryofthecopperwhichremainsandformstheelectrodesisinpartdeterminedbytheetchingprocedure;thisisparticularlytrueofcloselyspacedelectrodesonthesamesurfacewhenthepropertytobemeasureddependsontheelectrodegeometry.Second,electricalconductanceinthematerial,particularlysurfaceconductance,maybeaffectedbythechemicalsusedtoetchthecopper,thelengthoftimeofetching,andthemannerinwhichthespecimeniscleanedafteretching.Thispracticestandardizestheetchingprocedureinordertoprovideabasisforcomparisonofelectricalpropertiesofcopper-cladelectricalinsulatingmaterialsandthermosettinglaminates.Experiencehasshownthatthetestcircuitcanbeaccuratelypreparedusingthisprocedure,andthatthespecimenwillbesubstantiallyfreeofetching-induced,electrically-conductivecontaminants.Itisrecognizedthatcommercialprocessesutilizedtomanufactureprintedcircuitsmaydifferappreciablyfromthispractice.Therefore,theresultsoftestsonspecimensetchedinaccordancewiththispracticemaydifferfromresultsobtainedonspecimensetchedinacommercialprocess.Specimensshouldbeetchedinaccordancewithaproceduredifferentfromthispractice,ifitisdesiredtodeterminetheinfluenceofthedifferentprocedureonelectricalproperties.1.1Thispracticedescribesaprocedureforetchingandcleaningcopper-cladelectricalinsulatingmaterialsandthermosettinglaminatesforelectricaltesting.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatementssee6.3and6.4.
【中国标准分类号】:K15
【国际标准分类号】:29_035_01
【页数】:2P.;A4
【正文语种】: