E sebetsang
Qetellong ea bo-1990 ha ba bangata ba hahaboto ea potoloho e hatisitsoenglitharollo li ile tsa sisinngoa, liboto tsa potoloho tse hatisitsoeng tse hahelletsoeng le tsona li ile tsa sebelisoa ka molao ka bongata bo boholo ho fihlela joale.Ho bohlokoa ho theha leano le matla la tlhahlobo bakeng sa likopano tse kholo tse hatisitsoeng tsa boto ea potoloho (PCBA, kopano ea boto ea potoloho e hatisitsoeng) ho netefatsa hore ho latela melao le ts'ebetso ea moralo.Ntle le ho aha le ho lekola likopano tsena tse rarahaneng, chelete e tsetelitsoeng ho lisebelisoa tsa elektronike feela e ka ba holimo, mohlomong ea fihla ho $25,000 bakeng sa yuniti ha e qetella e lekoa.Ka lebaka la litšenyehelo tse joalo tse phahameng, ho fumana le ho lokisa mathata a kopano ke mohato oa bohlokoa le ho feta hona joale ho feta nakong e fetileng.Likopano tsa kajeno tse rarahaneng li batla li lekana le lisekoere tsa lisekoere tsa lisenthimithara tse 18 le likarolo tse 18;ho ba le likarolo tse fetang 2,900 mahlakoreng a holimo le a tlase;e na le li-circuits tsa 6,000;'me u be le lintlha tse fetang 20,000 tsa solder tseo u lokelang ho li hlahloba.
morero o mocha
Lintlafatso tse ncha li hloka li-PCBA tse rarahaneng, tse kholoanyane le liphutheloana tse thata.Litlhoko tsena li qholotsa bokhoni ba rona ba ho aha le ho leka likarolo tsena.Ho ea pele, liboto tse kholo tse nang le likaroloana tse nyane le lipalo tse phahameng tsa node li tla tsoela pele.Mohlala, moralo o le mong o ntseng o etsoa bakeng sa boto ea potoloho o na le li-node tse ka bang 116,000, likarolo tse fetang 5,100, le manonyeletso a solder a fetang 37,800 a hlokang tlhahlobo kapa netefatso.Yuniti ena e boetse e na le li-BGA ka holimo le ka tlase, li-BGA li haufi le tse ling.Ho leka boto ea boholo bona le ho rarahana ho sebelisa bethe ea setso ea linale, ICT ka tsela e le 'ngoe ha e khonehe.
Ho eketsa ho rarahana ha PCBA le ho hlaka lits'ebetsong tsa tlhahiso, haholo-holo litekong, ha se bothata bo bocha.Ha re hlokomela hore ho eketsa palo ea lipini tsa liteko setsing sa tlhahlobo ea ICT e ne e se mokhoa oa ho tsamaea, re ile ra qala ho sheba mekhoa e meng ea netefatso ea potoloho.Ha re sheba palo ea liphoso tsa li-probe ho milione, rea bona hore ho li-node tsa 5000, liphoso tse ngata tse fumanoeng (tse ka tlase ho 31) li kanna tsa bakoa ke litaba tsa ho ikopanya le lipatlisiso ho fapana le liphoso tsa nnete tsa tlhahiso (Letlapa la 1).Kahoo re ile ra ikemisetsa ho theola palo ea lipini tsa liteko, eseng holimo.Leha ho le joalo, boleng ba ts'ebetso ea rona ea tlhahiso bo hlahlojoa ho PCBA eohle.Re ile ra etsa qeto ea hore ho sebelisa ICT ea setso e kopantsoeng le X-ray tomography e ne e le tharollo e sebetsang.
Nako ea poso: Mar-03-2023