Nrog ntau thiab ntau qhov FPC yooj ywm lub rooj tsav xwm hauv daim ntawv thov siv rau cov khoom siv hluav taws xob lub davhlau ya nyob twg, xws li cov cuab yeej siv siab kawg: lub xov tooj ntawm tes, phau ntawv sau lub computer, cov tsheb, cov khoom siv kho mob thiab lwm yam. piezoelectric transformer, cov khoom siv hluav taws xob tshiab thiab cov thev naus laus zis tshiab, laser automatic soldering tshuab tau dav siv hauv FPC, cov khoom siv hluav taws xob thiab lwm cov teb.
Laser tsis siv neeg tin vuam tshuab yog ib hom ntawm laser vuam tshuab uas siv laser ua qhov ua kom muaj cua sov ua kom muaj cua sov kub cov tshuaj txhuam. Tus yam ntxwv tseem ceeb ntawm laser soldering yog siv lub zog siab ntawm laser kom paub lub zos lossis micro cheeb tsam ceev cua kub kom ua tiav tin vuam txheej txheem. Piv nrog rau kev muab vuam tsoos, laser tin vuam muaj qhov zoo tsis yooj yim.
Muaj qee qhov teeb meem tseem ceeb hauv kev siv cov khoom siv vuam vias siv xws li FPC thiab cov khoom siv hluav taws xob. Piv txwv, cov hlau txhuas ntawm cov khoom sib txuas thiab cov ntaub qhwv ntawm cov ntawv luam tawm Circuit Court yuav diffuse Cu, Fe, Zn thiab lwm yam hlau tsis zoo rau cov kav; cov kev kub ceev ntawm molten tin hauv huab cua yog qhov yooj yim los tsim oxygenates. Nyob rau tib lub sijhawm, nyob rau hauv tsoos reflow soldering, cov khoom siv hluav taws xob lawv tus kheej tau muab rhaub kom kub kub nrog kub (soldering) ntawm tus nqi cua sov siab, uas muaj qhov cuam tshuam txog thermal ntawm cov khoom siv. Qee qhov txheej txheem pob nyias ua ke, tshwj xeeb tshaj yog cov thermal rhiab Cheebtsam, yuav puas ntsoog. Nyob rau tib lub sijhawm, vim tag nrho cov txheej txheem cua kub, FPC hloov tau hluav taws xob Circuit Board, PCB pawg thawj coj saib, khoom siv hluav taws xob txhua qhov yuav tsum dhau los ntawm cov txheej txheem cua sov, kev tiv thaiv cua sov thiab txias, thiab lawv cov thermal expansion coefficient yog txawv. Kev ntxhov siab sab hauv yog yooj yim los tsim hauv cov khoom los ntawm kev hloov txias thiab kub. Lub hav zoov ntawm kev ntxhov siab sab hauv txo qhov qaug zog lub zog ntawm cov pob qej txuas thiab ua rau kev puas tsuaj ntawm cov khoom siv hluav taws xob.
Laser soldering yog chaw muag hluav taws xob cua sov hauv zos. Lub laser solder paste vuam txheej txheem tau muab faib ua ob kauj ruam: thawj, lub laser solder paste yuav tsum tau ua kom sov, thiab txoj kev sib koom tes nrog cov ntawv sib txuas tseem yog preheated. Tom qab ntawd, cov laser muag muab tshuaj txhuam siv hauv kev siv hlau txuas tag yog melted, thiab ham muab tshuaj txhuam kiag li ua tiav lub ncoo, thiab thaum kawg ua daim ntawv vuam. Vim tias siv cov tshuab hluav taws xob laser thiab kho qhov muag tsom xam lub vuam sib dhos, lub zog siv hluav taws xob ntau, qhov hloov cov cua sov kom zoo dua, tsis txuas rau lub vuam, tuaj yeem zam tau cov teeb meem saum toj no.
Cov cua kub yam ntxwv ntawm laser vuam neeg hlau
Lub laser vuam neeg hlau siv lub laser diode ua cov khoom siv hluav taws xob, siv hluav taws xob hauv cheeb tsam tsis sib cuag cua sov yam tsis hloov lub taub hau hlau soldering, thiab muaj qhov zoo ntawm cov kab teeb me me laser. Cov yam ntxwv tseem ceeb ntawm cov laser vuam neeg hlau yog raws li hauv qab no: 1. Qhov tsawg kawg nkaus taub txoj kab uas tsim los ntawm laser tuaj yeem ncav cuag 0.2 hli, thiab qhov tsawg kawg nkaus tin pub cuab yeej tuaj yeem ncav cuag 0.15mm, uas tuaj yeem paub qhov micro nrug mounting ntaus ntawv. 2. Kev nrawm nrawm hauv cheeb tsam tsis muaj kev cuam tshuam me me ntawm lub nruas thiab qhov chaw ib puag ncig, thiab qhov tsis zoo ntawm cov pob qij txha ua ke tau zoo. 3. Tsis muaj kev noj tawm ntawm soldering hlau lub taub hau, kev ua haujlwm siab ntawm kev ua haujlwm tas mus li. 4. Tsis sib cuag cov cua kub hauv zos, vuam txheej saum npoo av tsawg dua, thiab zoo nkauj. 5. Kev tsis sib cuag ntsuas ntawm kub ntsuas kub.
