===================================DOI:10.13290/j.cnki.bdtjs.2023.03.002190半导体技术第48卷第3期2023年3月混合键合技术在三维堆叠封装中的研究进展赵心然,袁渊,王刚,王成迁(中国电子科技集团公司第五十八研究所,江苏无锡214035)摘要:随着半导体技术的发展,传统倒装焊(FC)键合已难以满足高密度、高可靠性的三维(3D)互连技术的需求。混合键合(HB)技术是一种先进的3D堆叠封装技术,可以实现焊盘直径≤1μm、无凸点的永久键合。阐述了HB技术的发展历史、研究进展并预测了发展前景。目前HB技术的焊盘直径/节距已达到0.75μm/1.5μm,热门研究方向包括铜凹陷、圆片翘曲、键合精度及现有设备兼容等,未来将突破更小的焊盘直径/节距。HB技术将对后摩尔时代封装技术的发展起到变革性作用,在未来的高密度、高可靠性异质异构集成中发挥重要的作用。关键词:混合键合(HB);先进封装;三维(3D)堆叠;无凸点键合;范德华力中图分类号:TN305.94文献标识码:A文章编号:1003-353X(2023)03-0190-09ResearchProgressofHybridBondingTechnologyin3D-StackingPackagingZhaoXinran,YuanYuan,WangGang,WangChengqian(The58thResearchInstitute,CETC,Wuxi214035,China)Abstract:Withthedevelopmentofsemiconductortechnology,thetraditionalflip-chip(FC)bondinghasbecomedifficulttomeettherequirementsofthree-dimensional(3D)interconnectiontech-nologywithhighdensityandhighreliability.Hybridbonding(HB)technologyisanadvanced3D-stackingpackagingtechnology,whichcanachievepermanentbondingwithpaddiameter≤1μmandwithoutbumps.Thedevelopmenthistory,researchprogressanddevelopmentprospectofHBtechnologyaredescribed.Currently,HBtechnologycanrealizepaddiameter/pitchof0.75μm/1.5μm.PopularresearchdirectionsincludeCurecess,waferwarpage,bondingaccuracyandexistingequipmentcompati-bility,etc.Inthefuture,therewillbebreakthroughinsmallerpaddiameter/pitch.HBtechnologywillplayarevolutionaryroleinthedevelopmentofpackagingtechnologyinpost-Moorelawperiod,andwillplayasignificantroleinhigh-densityandhigh-reliabilityheterogeneousintegrationinthefuture.Keywords:hybridbonding(HB);advancedpackaging;three-dimensional(3D)stacking;bumplessbonding;vanderWaalsforceEEACC:0170J0引言随着...