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8 9 2 FANG Kuang,CHEN Qingchou,FU Qiubo,WANG Yao
!"#$:10069941(2016)09089206
FabricationandFlyerDrivingCapabilityCharacterisationofanIntegratedExploding
FoilInitiator
FANG Kuang,CHEN Qingchou,FUQiubo,WANG Yao
(InstituteofChemicalMaterials,ChinaAcademyofEngineeringPhysics,Mianyang621999,China)
Abstract:Anintegratedexplodingfoilinitiator(EFI)basedonaparyleneCflyerandSu8photoresistbarrelwasfabricatedusingmagnetronsputte
ring,photolithography,andchemicalvapordeposition(CVD).Theeffectofstructureparametersofexplodingfoil,flyerandbarrelontheloading
capabilityofflyerwasinvestigatedbyphotonicDoppler.Resultsshow thatundertheconditionsofinitiationvoltage2.6kV,capacitance0.2μ F,
anddischargeduration1.2μ s,throughthetest,findingthatthechangeofpartofmaterialsforEFIcausedbyintegratedfabricatingdosenotsignifi
cantlyinfluencetheloadingcapabilityofflyer.TheEFI′sdrivingprocessofparyleneCandpolyimideflyerwithidenticaldimensionaresimilarto
eachother.TheflyerdrivingcapabilityofintegratedEFIwasconsistentwiththatofclassicEFIwithsamestructureparameters.TheHNS Ⅳ cansuc
cessfullybedetonatedbytheintegratedEFI.
Keywords:explodingfoilinitiators;photonicdopplervelocimetry;flyer;magnetronsputtering
CLCnumber:TJ55 Documentcode:A DOI: 10.11943/j.issn.10069941.2016.09.013
andphotolithographytechniquehavebeenappliedtorealize
[5]
therapidprototypingofintegratedslapperdetonator .
1 Introduction
Themicroelectronictechniquehasbroughtinsomenew
Miniaturizationandintegrationarethepromisinguptrends
materialforthefabricationofintegratedEFIsuchassilicon,
forthedevelopmentofexplodingfoilinitiatortosatisfythereli
photoresist,polyimidefilm andsoon.Whilethereisbarely
ability,compaction,andenergyefficientrequirementoftheiniti
[1]
ationsystem forthenextgenerationweapons .Withthepros anyreportabouttheimpactontheEFI′soutputperformance
causedbythiskindofevolution.Inthepresentwork,wepro
perityofsemiconductorindustry,someclassicmicroelectronic
posedanovelintegratedEFIwhichwasfabricatedbytheclas
techniqueshavebeenutilizedforthefabricationofhighlyinte
sicmicroelectronictechnique.Fortheflyerdrivingcapability
gratedexplodingfoilinitiators(EFI).
[2] characterization,thephotonicdopplervelocimetryhasbeen
John H. Henderson and ThomasA. Baginski have
takentoinvestigatetheimpactcausedbysizeoffoil,flyer,
broughtouttwo novelsilicon substrate slapperdetonators,
barrel,andthematerialofcomponentsontheflyers′driving
which are fabricated by conventionalmicroelectronic tech
capability.Thestudyinthepresentworkhasbeencompared
niques,theEFIcomponentsareallmanufacturedinacavityon
totheresultofotherresearchersforaprofoundercomprehen
thesiliconsubstrate,whilethebowtiefoilisobtainedbythe
sionoftheinitiationmechanism ofEFI.
selectivemetaldepositionortheiondiffusion.O′BrienD W,
[3]
DruceRL,etal ,fabricatedaintegratedEFIbyjustthefilm
[4]
depositiontechnique.AndAmishDesaietal ,integratedthe 2 FabricationProcess
foilbridge,flyer,andbarrelonthesamesubstratebydeposi Fig.1givesusthefabricationrouteoftheintegratedEFI.
tionand photolithographytechnique.In addition,in2007, Tostartwith,thecopperfoilwasdepositedonaceramictem
theLLNLproposedathreeyearprojecttodeveloptherapid perbythemagnetronsputtering.Then,withthehelpofphoto
prototypingtechniqueforthehighlyintegrated chip slapper lithographyandetchingtechnique,wegotthefoilbridge.The
detonator.Solventlessvapordeposition,femtosecond laser, sizes(width×thickness) ofmetalfoilbridgesare0.3 mm×
3μ m,0.3mm×4μ m,respectively.
ReceivedDate:20160519;RevisedDate:20160705 TheparyleneCflyerwasdepositedonthefoilbridgeand
Biography:FANG Kuang(1987-),male,Master,majorinMechanicalEngineer
ceramic substrate through the chemical vapor deposition
ing. Research Interest: MEMS Technique ofPyrotechnic Device. email:
(CVD)processwhichcouldbedividedinto3steps.The1 st
kuangf302@caep.cn
stepistheevaporationofthesoliddimericpolymertargetat
CorrespondingAuthor:WANG Yao(1986-),female,Master,majorinPyrotech
nicdevice.email:wangyaocindi@caep.cn 150℃,withapressureof130Pa.Thenit′sthesplittingde
ChineseJournalofEnergeticMaterials,Vol.24,No.9,2016(892-897) !"#$ www.energeticmaterials.org.cn