【英文标准名称】:StandardTestMethodforSurfaceFlawsinTungstenSealRodandWire
【原文标准名称】:密封钨丝和钨条表面裂纹的标准试验方法
【标准号】:ASTMF204-1976(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1976
【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】:F01.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:glassbead;glass-to-metalseals;tungsten-glassseals;Electricalconductorwire;Glasselectronicseals;Metalelectroniccomponents/devices;Seals--electronicapplications;Surfaceanalysis--electroniccomponents/devices;Tungstenelectrical/electro
【摘要】:1.1Thistestmethodcoversthedeterminationofthepresenceofsurfaceflawsintungsten-sealrodandwireofrandomorcutlengths,andinthetungstensectionofmultiple-piece-throughleadsusedinelectronicdevices,bymeansofexaminationofaglassbeadsealedtothetungsten.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J22
【国际标准分类号】:21_140
【页数】:2P.;A4
【正文语种】:英语