Tembiricha uye nzira ruzivo rweBGA welding

Chokutanga pane zvose, kana glue rinoshandiswa kumakona mana echiputi uye kumativi echiputi, tanga kugadzirisa kutonhora kwepfuti yemhepo inopisa kusvika ku 330 degrees uye simba remhepo kune zvishoma. Bata pfuti muruoko rwako rworuboshwe uye tweezers muruoko rwako rworudyi. Paunenge uchiridza, unogona kunhonga glue nema tweezers. Zvose chena glue uye tsvuku tsvuku zvinogona kubviswa munguva pfupi. Chenjerera kunguva yaunozviita uye nenguva yaunoridza
Haikona kureba. Tembiricha yekuruma yakakwira. Unogona kuzviita nepakati. Zviite kwekanguva, mira kwekanguva. Mukuwedzera, kana uchinhonga ne tweezers, iwe unofanirwawo kungwarira. Nama haina kupfava uye haugone kutora nesimba. Iwe unofanirwawo kungwarira kuti usakwenya bhodhi redunhu. Kana zvichibvira, unogona zvakare kushandisa guruu kupfavisa guruu, asi ndinofunga uchiri kushandisa inopisa-mhepo pfuti BGA welding huya nokukurumidza.

Ngatitaurei pamusoro matanho ose kuita BGA kugadzirisa bhenji. Ndinogona kunyanya kubudirira kuita BGA kugadzirisa bhenji nenzira iyi, uye pfungwa donhwe kashoma kuitika. Ngatitorei redo graphics kadhi semuenzaniso.
Ngatitaure nezve nhanho dzangu muBGA:
1. Chekutanga, wedzera huwandu hwakakodzera hwemhando yepamusoro BGA Solder Paste kutenderedza kadhi remifananidzo, isa tembiricha yepfuti inopisa kusvika ku200 madhigirii, kuderedza simba remhepo, kuvhuvhuta pamusoro peiyo solder paste, uye zvishoma nezvishoma furidzira solder paste mukati. iyo graphics kadhi chip. Mushure meiyo solder paste yakatenderedza giraidhi kadhi chip ichifuridzirwa pasi pechip, gadzirisa simba remhepo remhepo inopisa pfuti kusvika kumusoro uye tarisa chip zvakare.
Chinangwa cheizvi ndechekuita kuti solder iname zvakadzika mukati me chip.

Tembiricha uye nzira ruzivo rweBGA welding
2. Mushure mokunge matanho ari pamusoro apera, mirira kuti chip chitonhorere pasi zvachose (chinonyanya kukosha), uye wozopukuta yakawandisa solder paste pamusoro uye kumativi emifananidzo kadhi chip nedoro donje. Iva nechokwadi chekupukuta iyo yakachena.
3. Zvadaro, bepa rerata replatinum rinonamirwa kumativi chip. Kuti ive nechokwadi chekuti tembiricha yepamusoro panguva yewelding haizokuvadza capacitor, munda chubhu uye triode yakatenderedza kadhi yemifananidzo, uye crystal oscillator, kunyanya vhidhiyo yekurangarira yakatenderedza kadhi yemifananidzo, bepa retin platinum rinofanira kunamirwa kuzvikamu gumi neshanu panguva. Beiqiao. Pepa rangu rerata replatinamu rakatetepa, uye handizive kuti kunaka kwekupisa kwemafuta kunonamira sei kana gumi neshanu emapepa eplatinamu akanamirwa,
Asi zvinofanira kushanda. Kanenge nguva dzose pakuita BGA, pakanga pasina dambudziko nemavhidhiyo ndangariro pedyo Graphics kadhi uye North Bridge, uye haina welded uye kuputika.

Tembiricha uye nzira ruzivo rweBGA welding
Kana iyo BGA yekugadzirisa chikuva chegiraidhi kadhi isati yavhenekwa mushure mekunge yapedzwa, ndinogona kuve nechokwadi kuti haina kupera. Ini handipokane kana iyo inotevera vhidhiyo ndangariro kana North Bridge yakakuvadzwa. Kuseri kwekadhi kadhi chip, bepa retin platinamu rinofanirawo kunamirwa. Ndinowanzo kunamatira pauriri hwechishanu. Uye nzvimbo yakati kurei zvishoma. Izvi kudzivirira pakuita BGA kugadzirisa bhenji
, tunhu twudiki kuseri kwechipi chinodonha kana kuchipisa. Kunamira mitsara yakawanda zviri nani pane kunamira danda rimwechete. Kana iwe ukanamatira imwe tambo, kutonhora kwepamusoro kuchanyungudusa zvachose glue papepa retani uye kunamatira kubhodhi, iyo yakaipa kwazvo. Kana ukanamatira matinji akawanda, chiitiko ichi hachizooneka.