酸性光亮鍍銅工藝研究

1、中南大學(xué)碩士學(xué)位論文酸性光亮鍍銅工藝研究姓名：呂重安申請學(xué)位級(jí)別：碩士專業(yè)：冶金工程指導(dǎo)教師：鄭雅杰王勇20090525中南大學(xué)碩上學(xué)位論文ABSTRACTABSTRACTAcidiccopperelectroplatingwasawideapplicationinhouseholdappliances，dailyhardware，electroplatingplasticsandprintedcircuitboard(PCB)Itis

2、wellknownthatadditivesarerequiredtoobtaindesirablemetallicdepositsElectrocopperplatingprocessandmechanismofthecompositedbrightenerplatingsolutionwasresearchedcomprehensivelyTheZbrightenerwaspreparedsuccessfully，andthetec

3、hnologyandmechanismofcopperelectroplatingwasstudiedCoveringpowerandthrowingpowerofthebathsolutionscontainingdifferentdyesweremeasuredThestablepolarizationcurvesofthebasicplatingsolution，thecompositedbrightenerplatingsolu

4、tionandZbrightenerplatingsolutionwerestudiedThetechnologyofcopperelectroplatingofcompositedbrightenerwasstudiedTheavailableconditionsofcopperelectroplatingarethatH2S04is160～2009／L、CuS04‘5H20is80～100班、Nis000104)00149／L、Mi

5、s00032000429／L、PEG一6000is006001OOg／L、CI。is40～80ppm、temperatureofplatingbathis1040“C、currentdensityis0840A／dm2Inavailableconditionsofcompositedbrightenersystem，theSEMtestdemonstratesthatthesurfaceofcopperfilmissmoothandth

6、ecrystalisfineButsomeareaareunevenThecurrentefficiencyofcopperplatingis9965％at40℃TheavailableconditionsofZbrightenercopperelectroplatingsystematethatH2S04is160～2209／L、CuS04’5I120is80～100嘰、Zbrighteneris8～12ml／L、PEG6000is0

7、40005009／L、C1。is40～80ppm、temperatureofplatingbathis1040。C、currentdensityis135A／dm2ThesurfaceofcopperplatingfilmisevenandsmoothandcoppercrystalisfineundertheaboveconditionsofcopperelectroplatingThecurrentefficiencyofcoppe

8、rplatingis987％at40℃CoveringpowerandthrowingpoweroftheplatingsolutionscontainingdifferentdyesaremeasuredTheresultsshowthatmethyleneblueandrhodaminearebeRerthanothers，andtherecoveringpowersare7505％and6842％，thethrowingpower