Yuav ntsuas qhov zoo tshaj plaws Silicone Conformal Txheej rau PCB?

Muaj ntau yam ntawm silicone conformal txheej cov khoom lag luam hauv khw. Cov khoom siv tshuaj sib txawv ntawm cov khoom yuav ua tau raws li kev xav tau ntau yam hauv kev lag luam sib txawv. Cov ntaub ntawv uas koj xaiv yuav tsum nyob ntawm qhov yuav tsum tau ua ntawm daim ntawv thov, thiab koj tuaj yeem tshawb xyuas ob peb yam kom ntseeg tau tias koj muaj qhov zoo tshaj plaws nyob rau hnub kawg. Thaum ntsuas qhov zoo tshaj plaws silicone rau koj cov txheej tiv thaiv, koj yuav tsum tau saib cov hauv qab no:

Viscosity 

Conformal coatings tuaj nrog sib txawv viscosities, uas pab ua kom tiav cov rooj sib txoos 'kev thov thiab kev xav tau. Raws li silicone mus, koj tuaj yeem xaiv cov viscosity tsawg rau koj cov kev xav tau ntau lawm. Cov txheej txheej uas tsis muaj viscosity txhawb kev tsim cov txheej txheem ceev, suav nrog kev siv tshuab thiab phau ntawv txau, jetting, thiab cov txheej txheem ntws. Qee cov khoom siv silicone yuav muaj viscosity siab dua kom tswj tau qhov kev ncua deb thiab ceev ntawm qhov ntws. Qhov kev tswj hwm no pab tiv thaiv kom tsis txhob kis mus rau ib qho chaw 'tsis mus' ntawm lub rooj tsavxwm. Ib qho tseem ceeb yuav tsum nco ntsoov yog tias silicones nrog viscosity siab dua tsim cov txheej tuab, qee qhov txawm muab cov tsho ruaj khov rau qhov chaw siab.

Kho qhov profile 

Ntawm cov txiaj ntsig ntawm kev xaiv silicone conformal txheej yog nws cov khoom ua kom qhuav sai. Cov khoom siv txheej txheej tawm tuaj nyob rau hauv qhov hloov pauv hloov kho profile, thiab koj tuaj yeem siv qhov no kom tau txais kev pom zoo rau koj cov kab ntau lawm, daim ntawv thov, thiab teeb tsa. Silicone tuaj yeem muaj qhov nrawm nrawm-kho qhov profile, ua rau nws tuaj yeem ua rau cov txheej txheem kho txawm tias nyob hauv chav sov sai. Nws yog ib qho kev daws teeb meem uas yuav pab kom koj txav tau sai sai hauv koj cov kab ntau lawm. Qhov profile no yog qhov zoo tshaj plaws rau cov khoom ntim siab.

Kuj tseem muaj lub sijhawm ua haujlwm txuas ntxiv kom ya raws qhov profile uas tso cai rau cov txheej txheem kho ntawm chav tsev kub thaum tso cai rau cov khoom siv ntau dhau ntawm cov laug cam. Yog tias koj daim ntawv thov xav tau cov txheej tuab, qhov profile no zoo tshaj. Lub tshav kub-kho profile yog qhov kev xaiv kawg rau cov txheej txheem silicone. Cov khoom lag luam feem ntau yuav sau nws raws li kev hais kom kho, thiab cov khoom siv nyob rau hauv qhov profile tag nrho kho nyob rau hauv tsawg li tsib feeb. Cov profile siv cua sov thiab tuaj yeem ua rau muaj kev ntxhov siab tsawg ntawm cov khoom siv hauv Circuit Court, tshwj xeeb tshaj yog thaum caij tsheb kauj vab.

Hardness 

Silicone conformal txheej tuaj yeem muab cov qauv qis dua piv rau cov ntaub ntawv organic conformal. Lawv yog, yog li ntawd, zoo tagnrho rau kev ntxhov siab minimization, tshwj xeeb tshaj yog nyob rau hauv me me zoo nyob ntawm tej los yog solder pob qij txha uas rhiab heev. Tsis tas li ntawd, nrog nws cov chemistry ntau yam, silicone ua rau cov txheej txheem nyuaj nrog qee qhov kev puas tsuaj, yuav luag sib piv urethane thiab acrylic daws. Thaum xaiv cov txheej silicone, koj muaj kev xaiv mus rau qhov hardness tshaj plaws. Lub hardness yog categorized li categorized, uas yog tsim nyog rau cov xov hlau zoo thiab muaj kev sib xyaw ua ke nrog cov plua plav ib puag ncig zoo li cov plua plav, kev cai los ntawm kev co, cuam tshuam, thiab noo noo. Thiab tawv muaj qhov yooj yooj yim thiab txhim khu kev qha ua haujlwm ntawm qhov kub qis lossis siab dua.

Thaum nrhiav cov txheej txheem silicone zoo tshaj plaws, koj yuav tsum ua haujlwm nrog cov chaw tsim khoom lossis cov khoom lag luam uas them nyiaj rau cov khoom siv thev naus laus zis thiab kev ruaj ntseg thiab muaj kev paub dav dav nrog cov txheej txheem sib txawv. Ua haujlwm nrog cov tuam txhab zoo li no yuav xyuas kom koj xaus nrog cov khoom tsim nyog tshaj plaws thiab tau txais kev pab tsim nyog.

Xav paub ntau ntxiv txog yuav ua li cas ntsuas qhov zoo tshaj plaws silicone conformal txheej rau pcb, koj tuaj yeem them mus ntsib DeepMaterial ntawm https://www.epoxyadhesiveglue.com/what-is-silicone-conformal-coating-for-pcb/ yog xav paub ntau info.