PCB常见工程问题英文

我司自行聯片,V-CUT殘厚为板厚的1/3.PanelizationbyTJ,V-cutresidualas1/3ofboardthickness.削PAD單邊5MIL,以保證隔焊shape5milononesideofpadtosuresolderdamPDF與Gerber不符thedatainPDFisdifferentwithinGerberV-CUT時傷銅DamagecopperwhileV-cutting孔徑公差依Gerber,大小依機構圖ToleranceoftheholeasGerber,sizeasdrawingV-CUT殘厚依0.7+/-0.1MMM制作V-cutresidualas0.7+/-0.1MM板厚依電路板制作规范制作Theboardthicknessaspcbspec.機構圖與Gerber不符thedatainDrawingisdifferentwithinGerber內削銅箔16MILshapecopper16mil.定位孔大小以4.0MM制作,Fixedholesizeas4.0MM加光學點保圈AddprotectcirclearoundtheFiducialmarkNPTH孔挖開8MIL蝕刻圈keepnpth8milClearance依印刷電路板上的V-CUT殘厚制作V-cutresidualasthePCBspec.以Gerber實測值制作AsactualmeasureinGerber依機構圖Asdrawing.以V-CUT殘厚0.8+/-0.1MMM制作V-cutresidualas0.8+/-0.1MM.外型公差太小.toleranceofoutlineistootight.PTH無Ring,建議加單邊8MIL的RingPTHhasnoannularring.andsuggestadding8milannularring.无V-CUT要求NoV-CUTrequirement.0.6*1.2的方形槽制作困难itisdifficulttomakethe0.6*1.2mmrectangleslot.GERBER外型与机构图不符outlineingerberisdifferentwithindrawing.机构图中标示尺寸与GERBER中实测不符DimensionmeasuredinGerberisdifferentwithindrawing.样板与GERBER不符TheSampleisdifferentwiththeGerber.机构图中无定位孔、光学点位置Nocoordinatesaboutfixedhole&fiducialmarkindrawing.65问题点ProblemDescription未指明成品板厚公差,建议+/-0.13.notnotetoleranceofthefinishedboardthickness,suggestas+/-0.13mm.Gerber中光学点与机构图不一致theFiducialmarkinGerberisdifferentwithindrawingPGA处设计我司制程能力达不到thedesigninPGAisoverTJ'sprocesscapability部份导通孔一面防焊开窗，制造时孔内易积墨soldermaskonICTtestpointsisopenononeside,theotherisnot.Holemaybeplugedink成型槽由1mmm扩至2mmenlargetheslotfrom1mmto2mmNPTH孔无蚀刻圈NPTHhasnoclearance.PCB制作联络单与Gerber不符thedatainPCBspecisdifferentwithinGerber未指明成品板厚公差,建议+/-0.13.notnotetoleranceofthefinishedboardthickness,suggestas+/-0.13mm.Gerber中光学点与机构图不一致theFiducialmarkinGerberisdifferentwithindrawingPGA处设计我司制程能力达不到thedesigninPGAisoverTJ'sprocesscapability线路沾锡Thesoldermaskisopenonline.MADEINTAIWAN更改为MADEINCHINAModeifiedMADEINTAIWANasMADEINCHINA文字重叠silkscreenoverlapped金手指斜边未说明noinformationaboutthebevelofgolderfinger客户未对堆叠顺序作说明noinformationabouthestack-upPTH孔与NPTH孔相连PTHisconnectedwithNPTH依照前版本做折断边Makebreakawaytabaslastrevision将“SY2”改为“SBD-102”。modifiedSY2asSBD-102孔图中孔位与钻孔程式孔位不符合Holelocationinthedrilltableisdifferentwithncdrill为制作方便，我司建议单PCS出货shipmentassinglepcb74問題點ProblemDesscription成型时伤锡垫damagecopperwhilerouting.NPTH无蚀刻圈NPTHhavenoclearance客户要求定位孔加PADCustomerrequiredtoaddPADforfixedhole保证8mil蚀刻圈.keep8milclearance单PCS尺寸太小，制作困难thesizeofsinglepcbissosmallthatitisdifficultlytoproduct删除无用途之TOPSoldMask面方形PADdeletetheunusefulsquarePADintheTOPSoldMask板边定位孔未确定大小thefixedholeonbreakawaytabnodimensionsize.PDF文档孔数与drilltable中不符TheholesquantityinPDFeisdifferentwithdrilltable建议在折断边加上料号AddTJP/Nonthebreakawaytab机构图中两处客人料号不一致twoplaceaboutcust.P/Nisdifferentinthedrawing无法确定板厚是指芯板厚还是成品厚iftheboardthicknessisfinishedorthebasic.公差超过我司制程能力ThetoleranceoverTJ'sprocesscapability删除成型线外3个PTH孔deletethethreePTHoutoftheoutline未指明孔属性nonotetheholesattribute.不能确定铜箔1OZ是指成品厚度还是基板要求ifcopperthickness10ZmeansfinishthicknessorbasicthicknessGERBER料号与冲模图料号不一致cust.P/NingerberisdifferentwithdrawingGERBER中无文字层，但需印UL、MARKthereisnosilkscreenlayer,butULandTJMARKneedtobeprinted联片无V-CUT，但机构图有V-CUTPanelmaphasnotV-CUTrequirement,butdrawinghas焊垫与成型线相连，生產會伤铜copperisconnectedwithoutline,anditwilldamagecopperwhilerouting.GERBER实测數據与机构图標識數據不符themeasuredDimensioninGerberisdifferentwithindrawing.铜箔厚度2OZ，板厚1.6MM，不知是否为成品therequirmentofCopperthickness2oz,boardthickness1.6mm,isfinishedornot.折斷邊光学点位置不明Nonotethepositionofthefiducialmarkonbreakawaytab.加光学点保护圈AddprotectcircleforthefiducialPTH公差太小PTHtoleranceisstrict.外型公差太小.toleranceofoutlineistootight.PTH無Ring,建議加單邊8MIL的RingPTHhasnoannularring.andsuggestadding8milannularring.无V-CUT要求NoV-CUTrequirement.0.6*1.2的方形槽制作困难itisdifficulttomakethe0.6*1.2mmrectangleslot.GERBER外型与机构图不符outlineingerberisdifferentwithindrawing.机构图中标示尺寸与GERBER中实测不符DimensionmeasuredinGerberisdifferentwithindrawing.样板与GERBER不符TheSampleisdifferentwiththeGerber.机构图中无定位孔、光学点位置Nocoordinatesaboutfixedhole&fiducialmarkindrawing.成型时伤锡垫damagecopperwhilerouting.NPTH无蚀刻圈NPTHhavenoclearance客户要求定位孔加PADCustomerrequiredtoaddPADforfixedhole保证8mil蚀刻圈.keep8milclearance单PCS尺寸太小，制作困难thesizeofsinglepcbissosmallthatitisdifficultlytoproduct删除无用途之TOPSoldMask面方形PADdeletetheunusefulsquarePADintheTOPSoldMasksimilardesignfollowasabove類似問題同等處理samedesignaslastrev.同前版本處理ScoringcoreremainingV-cut殘厚thicknessbeforeplating壓合厚度finishboardthickness成品板厚panelplatingprocess正片流程patternplatingprocess負片流程Notprovideholeattribute(PTHorNPTH).孔的屬性未提供Legendisoutsideofoutline.文字在成型線外ThegapfromcoppertoV-CUTis10mil,whichwillcausecopperdamageandburrwhileV-cut.1).Cutcopper16.5miltosurenotcopperdamageandburr.2).AsGerber,allowingcopperdamageandburr.6.机构图上备注成型尺寸为:114.42*345.57mm，而连片中标示成型尺寸为114.42*345.47mm，两者互相矛盾.且折断边有小PAD未指明坐标.Thepanel-dimensionsis114.42*345.57mmindrawing，butitismarkedas114.42*345.47mm.Andtherearesomesmallpadshowednocoordinates.Modifiedstackupasattachment6tomeetimpendancevalue.andaddimpendancecoupononbreakawaytab.4.根据提供的叠合结构,用POLAR软体算出的阻抗不能满足贵司的阻抗要求.TobecalculatedimpedancebyPOLARsoftwarewiththestackupinformation,wefoundi