【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】:


Product Code:SAE J374
Title:Vehicle Roof Strength Test Procedure
Issuing Committee:Impact And Rollover Test Proced Stds Comm
Scope:This SAE Recommended Practice establishes a uniform laboratory test method to evaluate the strength characteristics of roof systems. The test procedure is intended to provide reliable and repeatable results and to permit numerical comparisons. A test is conducted in which the vehicle roof system is loaded under controlled laboratory conditions. Structural strength measurements are obtained under load application angles chosen to concentrate forces on the forward portions of the roof panel and roof supporting structure.