基于人工神经网络的微电子塑封器件的优化设计方法-研究

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1、摘要more,therunningprocessforinputtingparametersofprogramanduserinterfaceisshowed.6)Accordingtoafailurecaseinproduceprocessandcombiningwithexperimentanalysis,thefeasibilityoftheproposedoptimaldesignmethodisfurtherveri¯ed..Thestudyresultsshow:(1)themethodcombininghygro,heatandva

2、porpressureproposedinthispaperisfeasibleandhascommonality;(2)itisnecessarytodotheoptimaldesignforthematerialanddimensionselectionbasedondelaminationfailure.Inadditional,thestudyshowsthattheparameteroptimalcombinationisnotuniqueastheinteractionamongallparameters.Soitisalsonece

3、ssarytoexploreandselectamethodofmulti-optimumcombinationdesignforpackagingcomponents.（3）aftertheinputfactorsofBPneuralnetworkisde-noisedcombiningPCA,theun-stabilityissuebetween¯tnesserrorandgeneralization(prediction)abilityissolved.Meanwhile,afterGAisemployedtoimproveBPNNbase

4、donthemodelusingPCA,thewell-trainedGA-BPNNmodelhasgoodstabilityandstrongpracticability.（4）thedi±cultproblemofsizeassortmentandmaterialassortmentduringdesignofpackagingdeviceissolvedwellwiththeproposedoptimaldesignmethodbasedonimprovedBPNN.（5）theresultsofsimulatingonprogramand

5、usersoftwareinterfaceshowthedesignsystemcanbeusedwellforoptimaldesignofpackagingdevice,andthedesignprocessisconvenient,simpleandpracticable.（6）theoptimalresultoffailurecaseshowstheproposedoptimaldesignmethodisfeasible.Thestudyresultsofthispaperhaveanimportanta®ectforthedevelo

6、pmentofmicroelectronicspackagingdesignfromsimulationanalysistoengineeringapplication.Keywords:Microelectronicspackagingtechnology；Optimaldesign；Interfacedelamination；Back-propagationneuralnetwork(BPNN)；Principalcomponentanal-ysis(PCA);Geneticalgorithm(GA)；Comprehensiveanalysi

7、s；Optimalcombination.{IV{万方数据目录目录摘要IAbstractIII第一章绪论11.1课题研究依据和意义............................11.2课题研究背景及研究现状.........................21.2.1课题研究背景............................21.2.2课题研究现状............................21.3课题研究思路及研究路线.........................31.3.1课题研究思路...........

8、.................31.3.2课题研究路线............................51.4主要研究内容和