PCBA (Platform Component Assembly thiab Component) kev tsim khoom feem ntau pib hauv theem kev npaj engineering, tsis yog ncaj qha nkag mus rau ntau lawm. Thawj kauj ruam yog kom paub meej thiab tshuaj xyuas cov ntaub ntawv tsim, suav nrog cov ntaub ntawv PCB Gerber, Bill of Materials (BOM), cov khoom sib koom ua ke, thiab cov txheej txheem yuav tsum tau ua. Tom qab ntawd cov chaw tsim khoom yuav ua qhov Kev Tsim Kho Kev Tsim Nyog (DFM) kev tshuaj xyuas raws li cov ntaub ntawv no los kuaj xyuas cov txheej txheem tsis sib haum xeeb, xws li cov suab tsis txaus, cov pob khoom tsis sib haum, lossis tsim tsis tsim nyog. Lub hom phiaj ntawm cov kauj ruam no yog txhawm rau txo cov kev pheej hmoo ntau li ntau tau ua ntej kev tsim khoom.
Thaum pib ntau lawm, cov txheej txheem tseem ceeb yog SMT (Surface Mount Technology). Ua ntej, solder paste yog luam rau hauv PCB pads siv stencil; Qhov no yog ib kauj ruam tseem ceeb los txiav txim seb qhov zoo ntawm soldering. Tom qab ntawd, xaiv-thiab- tso lub tshuab kom meej tso cov khoom xws li resistors, capacitors, thiab ICs rau hauv lawv txoj haujlwm sib raug raws li qhov kev zov me nyuam. Tom ntej no, cov khoom nkag mus rau hauv lub qhov cub reflow, qhov twg cov segmented kub tswj profile melts solder muab tshuaj txhuam thiab ua tiav cov soldering. Rau cov khoom uas yuav tsum tau los ntawm - qhov soldering, THT (Los ntawm -Hole Technology) yog siv, nrog kev sib txuas ua tiav los ntawm yoj soldering lossis xaiv soldering. Thoob plaws hauv tag nrho cov txheej txheem, cov khoom raug thiab qhov kub thiab txias profile tswj ncaj qha cuam tshuam rau cov khoom tiav lawm.
Thaum kawg, muaj cov theem tshuaj ntsuam thiab sib dhos, uas yog ib kauj ruam tseem ceeb hauv kev ua kom muaj kev ntseeg siab ntawm PCBA. Tom qab ntau lawm, AOI (Automated Optical Inspection) feem ntau yog ua los kuaj xyuas qhov tsis xws luag xws li cov pob qij txha txias, kev tsis zoo, lossis cov khoom ploj. Rau siab- qhov ntom ntom lossis ntau txheej txheej, X- txoj kab hluav taws xob soj ntsuam ntawm cov qauv sib txuas sab hauv kuj tseem siv tau. Tom qab ntawd, ICT (Nyob rau hauv -Circuit Testing) lossis FCT (Functional Testing) yog ua los xyuas kom meej tias cov hluav taws xob ua tau raws li qhov yuav tsum tau ua. PCBAs uas dhau qhov kev sim tom qab ntawd mus rau kev ntxuav, siv cov txheej txheem tiv thaiv (xws li txheej txheej), thiab ntim khoom zaum kawg, ua tiav tag nrho cov txheej txheem tsim khoom.
