【7A版】PCB面试英语试题.doc

《【7A版】PCB面试英语试题.doc》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、7A版优质实用文档工程部英语考试试题姓名______________工号______________得分______________一、英汉互译：(每空2分，合计50分)MatteBlack__黑色阻焊__size______尺寸Scoring___V-CUT__Carbon___碳__space____间距_Dielectric__电介质_Basematerial___基材manufacture__产品______tracewidth__线宽peelablemask_________warpandtwist翘曲度__Silkscreen___丝印Co

2、rematerial_内层芯材Polytetrafluoetylene(PTFE)__聚四氟乙烯_______blindvia___盲孔______Buriedvia(hole)___埋孔______Paste贴片Cross-Section__过孔_______Immersiontin_________stackup_排层____外层线路__outerlayer__铜箔_Copperfoil___阻抗__Impedance______有铅喷锡__HASL(hotairlevelling)沉金____IMM_二、短句用英文翻译成汉语:（共50分）1.Un

3、lessotherwisespecified,dimensionsonthisdrawingandgerberdataareeGpressedinmils.（3分）译：除非另外说明，图纸和gerber文件中的尺寸的单位均为英制的2.WORKMANSHIPSPECIFICATION:ClassIIIperlatestissueofIPC-6012,IPC-600,andIPC-6011latestissue,unlessotherwisespecified.Annularringtobe1milminimum.Viapadsmaybetear-dropp

4、edtomeettheannularringrequirement.SoldermaskshallmeetIPC-600ClassIIthicknessrequirements.（5分）译：检验标准47A版优质实用文档7A版优质实用文档ClassIIIperlatestissueofIPC-6012,IPC-600,andIPC-6011latestissue除了另有说明。焊环最小1mil。过孔焊盘可以用泪滴去满足焊环要求。阻焊厚度要求必须满足IPC-600ClassII3.CrosssectiondetailspecifieseGpectednomi

5、nalthicknessesinmilsformaterialsusedinboardstackup.（3分）译：4．Minimum0.0010in.copperplatingrequiredinallplatedthroughholes.Outerlayercopperthicknesses。（3分）译：保证孔内铜厚最小40um。外层铜厚薄些5.FINISH:Hot-AirSolderLevel(HASL)perIPC-6012Aorlatestissue.Soldermaybe63/37Sn/Pbor60/40Sn/Pb.（3分）译：表面工艺热风整

6、平检验标准IPC-6012A或是最新的标准。锡铅比例63/37或60/406.Applysoldermaskoverbarecopper(SMOBC).Pb-freecompatibleanddarkgreencolor.ApprovedsoldermasksareTAIYOPSR-4000-G23K,TAIYOPSR-4000-Z26,Soldermasktobe0.4milsminimumatthekneeofcopper.（5分）译：阻焊用绿色的形号为TAIYOPSR-4000-G23K,TAIYOPSR-4000-Z26阻焊厚度最小0.4mil

7、s7.TheVIA_FILLlayershouldbeusedtodefinewhichviasaretobefilledNonconductiveepoGy.（5分）译：VIA塞孔用环氧阻焊47A版优质实用文档7A版优质实用文档8.BoardThickness(m62.7+/-10%NOTES:1.Prepregthicknessesof0.004"[0.1MM]orgreaterrequireaminimumof3plys,NumberofLayers6.（3分）译：板厚9.BoardMarkings:Markthepcbwiththedateco

8、deofproduction,manufacturer’slogoonsoldersideof