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O le a le BGA Assembly?

BGA fa'apotopotoga e fa'atatau i le fa'agasologa o le fa'apipi'iina o se Ball Grid Array (BGA) i luga o se PCB e fa'aaoga ai le fa'aogaina o le soldering technique. O le BGA o se vaega faʻapipiʻi luga e faʻaogaina ai le tele o polo solder mo fesoʻotaʻiga eletise. A'o ui atu le laupapa matagaluega i totonu o se ogaumu e fa'afefe ai solder, o nei polo solder e liusuavai, ma fausia ai feso'ota'iga eletise.


Fa'amatalaga ole BGA
BGA:Polo Grid Fa'asologa
Fa'avasegaina ole BGA
PBGA:palasitikaBGA palasitika encapsulated BGA
CBGA:BGA mo sima BGA afifiina
CCGA:koluma sima BGA pou sima
BGA afifiina i foliga
TBGA:fa'apipi'i le BGA ma le koluma fa'asologa o polo

Laasaga ole BGA Assembly

Ole faagasologa ole fa'apotopotoga BGA e masani ona aofia ai laasaga nei:

Sauniuniga PCB: Ua saunia le PCB e ala i le faʻaogaina o le paʻu solder i pads lea o le a faʻapipiʻi ai le BGA. O le solder paste o se faʻafefiloi o mea faʻapipiʻi faʻapipiʻi solder ma flux, lea e fesoasoani i le faʻagasologa o le solder.

Fa'atulagaina o BGAs: O BGA, lea e aofia ai le va'aiga fa'atasi ma polo solder i le pito i lalo, e tu'u i luga o le PCB ua saunia. E masani lava ona faia lenei mea i le fa'aaogaina o masini piki-ma-tulaga otometi po'o isi mea fa'apipi'i.

Toe Soldering: O le PCB faʻapipiʻi faʻatasi ma BGA tuʻuina ona pasia lea i totonu o se ogaumu toe faʻafefe. O le ogaumu toe fa'afefeteina le PCB i se vevela fa'apitoa e fa'afefeteina ai le fa'apipi'i solder, ma mafua ai ona toe fa'afo'i polo solder o BGA ma fa'atūina feso'ota'iga eletise ma pads PCB.

Malūlū ma Su'esu'ega: A mae'a le solder reflow process, o le PCB e fa'amalo i lalo e fa'amausali ai solder solder. Ona asiasia lea mo soʻo se faʻaletonu, e pei o le le fetaui, pupuu, poʻo fesoʻotaʻiga matala. E mafai ona fa'aogaina le su'esu'ega fa'apitoa (AOI) po'o le su'ega X-ray mo lea fa'amoemoe.

Fa'agasologa Lua: Fa'alagolago i mana'oga fa'apitoa, o fa'agasologa fa'aopoopo e pei o le fa'amamāina, su'ega, ma le fa'apipi'iina fa'atasi e mafai ona faia pe a uma le fa'apotopotoga BGA e fa'amautinoa ai le fa'amaoni ma le lelei o le oloa mae'a.
Tulaga lelei ole BGA Assembly


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BGA Polo Grid Fa'asologa

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EBGA 680L

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LBGA 160L

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PBGA 217L palasitika Polo Grid Fa'asologa

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SBGA 192L

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TSBGA 680L


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CLCC

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CNR

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CPGA Ceramic Pin Grid Array

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DIP Lua Inline Package

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DIP-tab

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FBGA

1. Laititi tulagavae
BGA afifiina e aofia ai le pu, fesoʻotaʻiga, se mea manifinifi, ma se ufiufi faʻapipiʻi. E itiiti vaega fa'aalia ma o le afifi e itiiti le numera o pine. Ole maualuga ole pusi ile PCB e mafai ona maualalo ile 1.2 millimita.

2. Malosi
BGA afifiina e matua malosi. E le pei o le QFP ma le 20mil pitch, BGA e leai ni pine e mafai ona punou pe gau. E masani lava, ole BGA aveese e mana'omia le fa'aogaina ole BGA rework station ile vevela maualuga.

3. Lower parasitic inductance ma capacitance
Faatasi ai ma pine pupuu ma maualalo le maualuga o le potopotoga, BGA afifiina o loʻo faʻaalia ai le maualalo o le inductance parasitic ma le gafatia, e maua ai le lelei tele o le eletise.

4. Faʻateleina avanoa e teu ai
Pe a faatusatusa i isi ituaiga afifiina, BGA afifiina e na o le tasi vaetolu o le voluma ma e tusa ma le 1.2 taimi le vaega pu. O mea e manatua ma fa'agaioiga e fa'aaoga ai le BGA afifi e mafai ona ausia le sili atu nai lo le 2.1 fa'ateleina le fa'aputuina ma le saoasaoa o galuega.

5. Mautu maualuga
Ona o le faʻalauteleina saʻo o pine mai le ogatotonu o le pu i totonu o le BGA afifiina, o auala faʻasalalau mo faʻailoga eseese e faʻapuʻupuʻu lelei, faʻaitiitia le faʻaogaina o faailoilo ma faʻaleleia le saoasaoa o tali ma le mafai ona faʻalavelave. O lenei mea e faʻaleleia ai le mautu o le oloa.

6. Fa'amama lelei le vevela
O le BGA e ofoina atu le faʻaogaina o le vevela sili ona lelei, faʻatasi ai ma le vevela o le pu e latalata atu i le vevela o le siosiomaga i le taimi o le taotoga.

7. Fa'afaigofie mo le toe fai
O pine o le BGA afifiina o loʻo faʻatulaga lelei ile pito i lalo, faʻafaigofie ona suʻe nofoaga faʻaleagaina mo le aveeseina. Ole mea lea e fa'afaigofie ai le toe fa'aleleia o tupe meataalo BGA.

8. Aloese mai le vevesi o uaea
O le afifiina o le BGA e mafai ai ona tuʻuina le tele o pine eletise ma eleele i le ogatotonu, faʻatasi ai ma pine I/O faʻatulagaina i luga o le pito. E mafai ona fai le mua'i ta'avale i luga o le BGA substrate, aloese mai le vevesi o uaea I/O pine.

RichPCBA BGA Fonotaga Avanoa

RICHPCBA o se gaosi lauiloa i le lalolagi atoa mo PCB fabrication ma PCB faapotopotoga. BGA fa'apotopotoga auaunaga o se tasi lea o le tele o ituaiga auaunaga matou te ofoina atu. PCBWay e mafai ona tuʻuina atu ia te oe le maualuga ma le taugofie o le BGA faʻapotopotoga mo au PCBs. Ole la'ititi la'ititi mo le fa'apotopotoga BGA e mafai ona tatou fa'aogaina ole 0.25mm 0.3mm.

I le avea ai o se kamupani e tuʻuina atu auaunaga PCB ma le 20 tausaga o le poto masani i le gaosiga PCB, faʻapipiʻi ma le faʻapotopotoga, RICHPCBA o loʻo i ai se talaaga mauoa. Afai ei ai se manaʻoga mo BGA faʻapotopotoga, faʻamolemole lagona le saoloto e faʻafesoʻotaʻi matou!