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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】:


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【英文标准名称】:PrintandTestSpecificationsforMagneticInkPrinting(MICR)
【原文标准名称】:磁性墨水印刷(MICR)的印刷和试验规范
【标准号】:ANSIX9.27-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:银行业务;银行文件;银行;字符排列;字符识别;数据处理;信息处理;机读资料;磁性字符识别;;;尺寸
【英文主题词】:
【摘要】:Presentsthenumericcharacterset"E-13B",whichcanbereadbycertainmagneticinkcharacterrecognition(MICR)andopticalcharacterrecognition(OCR)systems.Thecharactersetincludesnumerals0through9andfourspecialsymbols.Thestandardalsospecifiestheshape,dimensions,andtolerancesforprintedMICR"E-13B"charactersandspecificationsregardingprintquality.Thisstandardwaslastrefinedin1995andwasoriginallypublishedasAmericanNationalStandardforPrintSpecificationsforMagneticInkCharacterRecognitionin1988.PleasenotethatAdobe4.0readerisrequiredtoprintthisPDFversion.Therearecertainfiguresthatcomeoutcleanerw/4.0.Pleaseletmeknowifyouhavemeansofrelayingthistothecustomersandifyouhave4.0availablefordownloadonyoursite.
【中国标准分类号】:A17
【国际标准分类号】:35_04
【页数】:
【正文语种】:英语


Product Code:SAE J1083
Title:Unauthorized Starting Or Movement of Machines
Issuing Committee:Optc1, Personnel Protection (General)
Scope:This SAE Recommended Practice applies to construction, general purpose industrial, forestry, and specialized mining machinery as categorized in SAE J 1116. It describes the machine components and systems that should be disconnected, secured, or otherwise rendered inoperative.