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justify;">在AI时代，面对封装产品小型化、集成度和可靠性要求的提高，如何在不牺牲性能的前提下有效解决散热问题，已成为业界亟需解决的紧迫任务。在这样的背景下，封装方案开发阶段进行热仿真分析重要性日益凸显。<span style="display:none">NiQSMT技术网-China表面贴装技术-SMT表面贴装-SMT技术网【官网】</span></p> <p style="text-align: justify;">作为国内封装企业龙头之一，华天科技2011年率先成立仿真团队，建立了电、热、力、模流以及多物理场协同仿真能力。应对封装散热挑战，华天科技提供了一系列的热仿真解决方案，以确保在高性能AI芯片的设计和封装过程中，能够有效地管理和优化散热，从而为芯片封装提供基于可靠性、性能、成本的最优热设计方案。<span style="display:none">NiQSMT技术网-China表面贴装技术-SMT表面贴装-SMT技术网【官网】</span></p> <p style="text-align: justify;">热仿真分析主要对封装体内部温度分布进行分析，提供全面、准确的热性能参数和温度分布、散热瓶颈等信息。例如热阻参数、热流矢量图、电-热耦合仿真、系统级散热方案分析、封装温度分布云图、散热器选择等，并进行不同封装设计方案的热性能比对，提供散热优化方向。<span style="display:none">NiQSMT技术网-China表面贴装技术-SMT表面贴装-SMT技术网【官网】</span></p> <h6 style="text-align: justify;"><img src="http://s.laoyaoba.com/jwImg/1299130875544.59.png" width="708" height="263" alt="" /></h6> <p style="text-align: justify;">封装结构散热性能分析：通过对比不同封装形式散热能力，推荐最佳散热方案。以封装尺寸17*17mm为例，FC-CSP封装相较于WB-BGA封装在Theta-Ja、Theta-Jb及Theta-Jc分别实现了5%、8%和85%的散热改善；而HFC-BGA封装相较于WB-BGA封装在Theta-Ja、Theta-Jb及Theta-Jc分别实现了35%、70%和83%的散热改善。综合对比分析，WB-BGA、FC-CSP、OMFC-CSP及HFC-BGA不同的封装结构呈现的散热效果也不同，HFC-BGA封装热阻较低，若封装产品对热性能有较高要求，可优先考虑HFC-BGA封装形式。此外，针对基板类封装产品中基板的结构、材质进行专题研究，分析基板层数、介质层厚度、SMT散热孔及塑封厚度对封装产品散热的影响，在封装设计时可针对性进行优化，保证器件的正常稳定工作。<span style="display:none">NiQSMT技术网-China表面贴装技术-SMT表面贴装-SMT技术网【官网】</span></p> <h6 style="text-align: justify;"><img src="http://s.laoyaoba.com/jwImg/1211099104109.5027.png" width="708" height="324" alt="" /></h6> <h6 style="text-align: justify;"><img src="http://s.laoyaoba.com/jwImg/286587476246.436.png" width="708" height="320" alt="" /></h6> <p style="text-align: justify;">封装材料散热性能分析：对比不同型号塑封料及粘片胶对封装散热性能的影响，快速实现封装产品BOM选择，通过分析对比不同封装形式的材料散热性能，为各类封装产品量身定制热设计方案，满足特定的散热需求，根据产品的具体应用场景，推荐最合适的封装方案。<span style="display:none">NiQSMT技术网-China表面贴装技术-SMT表面贴装-SMT技术网【官网】</span></p> <p style="text-align: justify;">在大尺寸封装产品中，铟片凭借卓越的高导热性能被视为传统热界面材料TIM胶的替代品。HFC-BGA50X50 封装，基于JEDEC标准测试环境，采用铟片较采用TIM胶，Still Air环境，结温降低约6.3℃，Theta-Jc降低81.6%。与TIM胶相比，铟片产品在热量传递过程中的热阻更低，采用铟片散热效果更优于TIM胶。<span style="display:none">NiQSMT技术网-China表面贴装技术-SMT表面贴装-SMT技术网【官网】</span></p> <h6 style="text-align: justify;"><img src="http://s.laoyaoba.com/jwImg/1085818718772.5465.png" width="708" height="319" alt="" /></h6> <p style="text-align: justify;">热仿真团队通过仿真数据与实际产品的测试数据进行校正，累计十余年2000多款产品开发经验和大量课题研究，建立了全面准确的仿真数据库。热仿真数据库建立，实现了快速评估封装产品的散热性能，有效降低产品在早期热设计阶段的风险，为客户更高效的提供热解决方案。通过这些数据的积累分析，华天科技能够确保其在产品封装系统的热设计上达到行业领先水平。<span style="display:none">NiQSMT技术网-China表面贴装技术-SMT表面贴装-SMT技术网【官网】</span></p> <p style="text-align: justify;">随着芯片算力的不断提升，华天科技将在包括散热仿真在内的多物理域协同仿真分析的加持下，通过提供精确的热仿真和高效的设计优化功能，为客户提供更高质量的封装解决方案，满足AI时代对高性能计算的散热需求。<span style="display:none">NiQSMT技术网-China表面贴装技术-SMT表面贴装-SMT技术网【官网】</span></p> <center><img src="/AD/SMTfgx.gif"/ "/AD/smtjscn.jpg"/></center> <p><br> </p> <style> #cyPoll .vote_txtlist dd{ left: 50%; } 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