W23周报

Page12009-W23LCM周会Page2目录I.IPQC周别进行现状II.OQC品质现状III.OBA周别现状IV.FT漏失现状V.本周推进事项及改善事项Page3▣PSM进行现况W23主要问题点为：制造前道TOP3不良均为制造前道均是作业遵守度问题针对TOP3不良要求改善：如果ASSY人员未清洗下POL，PSM通报IQC禁止向该CELL投入PANELW21,W22PSMISSUE未使用大滚柱清洗PANEL下POLISSUE再次发生邀请工程和制造提供改善对策不良描述QTY未使用大滚柱清洗panel下POL16未使用331粘异物11拿取panel两侧碰到IC11PSM周别Trend遵守率Page4▣QCAGING8HR进行现况W23周QCAGING发生4EA不良初期不良不需要管理不良分析及结论D/CSHORT是由Panel原材或ESD引起，不良无法进行分析Model不良发生时间分析结果汇总初期D/CSHORT1QCAGINGTrendPage5▣制造AGING初期不良W23周初期不良率6327PPMTOP3不良为：A/D,LINE,主要上升不良为：LineA/D不良主要为画面异常不良分析及结论画面异常主要为作业手法引起的Handle性不良邀请事项：邀请工程技术改善Handle性不良区分TOTALA/DDOTGLASSLINETABU/F驱动22周6048191046524281678424023周632724622442030115094141初期检查不良率PPMGroupLossDescQTYRatioA/D画面异常10634%LINED/DShort6822%D/LOPEN3511%D/LOPEN多发165%初期汇总311100%Page6▣制造AGING高温不良23周不良未发现明显变化TOP3不良为：LINE,DOTDOT主要为HighDOT，且高发LINED/DSHORT多发问题点：DOT类HIGHDOT多发改善对策：邀请SESL改善高温检查不良率PPM区分TOTALA/DDOTGLASSLINEPOLTABU/F22周52404927430227749122023周529002930412258202020ModelGroupLossDescQTYRatioLTM200KTDOTHIGHDOT9838%ON/OFFHIGH2710%LINED/DShort5622%D/LOPEN145%D/CSHORT104%LTM240CTDOTON/OFFHIGH73%HIGHDOT42%LINED/LOPEN21%D/DShort21%高温Total不良260100%Page7▣TOTAL收率直达率23周收率为94.6%目标未达成原因：UNI不良高发1.8%LINE不良较多0.9%23周直达率95.4%目标未达成原因：POL不良较多1.5%DOT不良高发2.0%B/L不良1.4%收率直达率Page8▣OQC不良现状W23周QA不良6293PPM，较上周下降1300PPMTOP3不良为：B/L，UNI，DOT不良本周主要模型为：PPMOQCTOTAL不良率区分TOTAL驱动GLASS外观H/DDOTLINEPOLUNITABB/L其他22周25550099402840142568042614223周249900435010910921776008690对比56↓→→559↓→175↓109↑75↑193↑→443↑142↓比率100%0%0%17%0%4%4%9%30%0%35%0%Page9▣OQC不良现状W23周QA不良7069PPM，比上周下降1200PPMTOP3不良为：B/L，UNI，DOT不良问题点及邀请事项B/L不良高发，邀请暂时FT加长WhitePattern检查时间上周问题点：B/L不良高发PPMLTM200KT不良率区分TOTAL驱动GLASS外观H/DDOTLINEPOLUNITABB/L其他22周70690131393052439326216690353416423周6053039367071629034811990303658对比1016↓→92↓25↓→192↑103↓86↑470↓→498↓106↓比率100%0%1%6%0%12%5%6%20%0%50%1%LossGroupLossDescQTYB/LB/LPARTICLE54B/LSTAIN68B/LWHITESPOT25B/L汇总157DOTHIGHOVER(RW)5ON/OFFHIGH(RW)32DOT汇总37UNIFORMITYBLACKSPOT14GLASSSTAIN26WHITESTAIN16UNIFORMITY汇总62Page10W23总体不良下降比较明显！TOP3不良为：DOT,B/L,UNI问题点：ON/OFFHIGHDOT高发改善及邀请事项：邀请工程技术对ON/OFFHIGHDOT分析上周问题点：外观不良高发，本周下降500PPM▣OQC不良现状PPMLTM240CT不良率区分TOTALGLASS外观DOTLINEPOLUNIB/L其他22周96149812759815891961275490529423周774307041408587469152530500对比1872↓98↓571↓427↑2↓273↑250↑1855↓294↓比率100%0%9%18%8%6%20%39%0%LossGroupLossDescQTYRatioB/LB/LPARTICLE69%B/LSTAIN1320%B/LWHITESPOT35%B/L汇总2639%DOTHIGHOVER(RW)12%ON/OFFHIGH(RW)1117%DOT汇总1218%UNIFORMITYBLACKSPOT46%GLASSSTAIN69%UNIFORMITY汇总1320%66100%Page11▣OBA不良现状W23周不良率下降500PPM主要不良为UNI和B/L问题点：B/LPARTICLE多发和LIGHTLEAKPPMLTM200KT不良率LossGroupLossDescQTY比率B/LB/LPARTICLE533%B/LSCRATCH17%DOTON/OFFHIGH(RW)17%LINED/CSHORT17%LOOKT/CFAIL17%UNIFORMITYCONTAMINATION17%GLASSSTAIN17%LIGHTLEAK320%WHITESPOT17%总计15100%Page12▣OBA不良现状W23周不良率8740PPMLowerPOLBubble多发改善：为了检出POL不良，要求BlackPattern检查距离为20CMLossGroupLossDescQTY比率B/LCHASSISLIGHTLEAK113%WRINKLEDB/LSHEET113%LOOKETCLABELFAIL113%SCREWLOOSING113%T/CFAIL113%POLLOWERPOLBUBBLE225%UNIFORMITYGLASSSTAIN113%总计8100%PPMLTM240CT不良率Page13▣FT漏失管理袁晓燕班FT漏失PPM平均不良为：10054PPMWorst3Cell为：1.，主要漏失B/LParticle，WhiteSpot2.，主要漏失B/LParticle，B/LTaint3.：主要漏失B/LTaint和B/LParticle上周ISSUE：刘娟持续高发！上周FT漏失情况平均不良为：10054PPMWorst3Cell为：1.，主要漏失B/LParticle，WhiteSpot2.，主要漏失B/LParticle，B/LTaint3.：主要漏失B/LTaint和ON/OFFHIGH本周ISSUE：刘娟连续3周TOP3，要求停线认证本周FT漏失情况区分史丽娟奉淑琳刘欢刘娟夏彦娟姜艺慢李伟兰朱梦珊王静宋凤珠谭树娟谭娟TTL检查数16492040195620711877202818811895216118941445120922106不良数18719201515119132397168Page14▣FT漏失管理郑剑班FT漏失PPM区分刘璐罗小丽胡雪婷武会敏冯燕华许婉珍吕海丽朱娟娟苗静钟华维钟永铃TTL检查数2415234421552652175722702018177221122415202023930不良数152017117141114101213144本周平均不良为：8381PPMWorst3Cell为：1.：主要漏失B/LParticle，HighDot，胡雪婷：主要漏失GlassTaint和B/LParticle2.主要漏失B/LParticle和D/CShort本周Issue：罗晓丽联系2周Top3上周FT漏失情况本周不良率为6018PPMWorst3Cell为：1.问题点：罗晓丽连续3周TOP3，要求停线认证！本周FT漏失情况Page15