Inkqubo esisiseko yeIbhodi yesekethe yePCBUyilo lokuqhubekeka kwe-SMT Chip lufuna ingqalelo ekhethekileyo. Enye yezona njongo ziphambili zesekethe yokubonelela ngetheyibhile yenethiwekhi ye-PCB uyilo lwebhodi yebhodi ye-PCB kunye nokulungiselela isiseko soyilo lwebhodi ye-PCB. Inkqubo yoyilo yeBhodi yeSekethe eyahlukeneyo ye-PCB ifana neli nqanaba loyilo lwebhodi ye-PCB eqhelekileyo. Umahluko kukuba i-wiring ye-wiring ye-wiring yefanitshala kunye neCandelo loMakhenkce lwangaphakathi kufuneka lwenziwe. Ithathwe kunye, uyilo lweBhodi yeSekethe yePCB yePCB ngokusisiseko. Yahlulwe la manyathelo alandelayo:
1. Ukucwangciswa kwebhodi yesekethe ikakhulu kubandakanya ukucwangcisa ubungakanani beBhodi yePCB, uhlobo lwezinto zokufaka, kunye neBhodi yeBhodi, iiBhodi yeBhodi, iiBhodi yeBhola, kunye ne-MATINA Iibhodi.
2. Ukucwangciswa kweparamitha yokusebenza, ikakhulu kubhekisele ekutshoneni kokubekwa kweParamitha yokuSetyenziswa kweNdawo kunye nokuSetyenziswa kweParameter. Useto oluchanekileyo kunye nengqibelelo lweeparamitha zokusingqongileyo zePCB zinokuzisa lula ukuyila ibhodi yesekethe kunye nokuphucula ukusebenza kakuhle komsebenzi.
I-3. Ubume becandelo kunye nohlengahlengiso. Emva kokuba umsebenzi wokuqala ugqityiwe, itafile yenethiwekhi inokungeniswa kwi-PCB, okanye itafile yenethiwekhi ingangeniswa ngokuthe ngqo kumzobo ochetyiweyo ngokuhlaziya i-PCB. Ubume becandelo kunye nohlengahlengiso yimisebenzi ebaluleke kakhulu kuYilo lwe-PCB, echaphazela ngokuthe ngqo imisebenzi enjalo njengendawo yombane kunye necandelo lombane lwangaphakathi.
4. I-4 Nokuba yeyiphi na indlela yokudinwa yamkelwe, kufuneka imithetho ye-wiring. Inyathelo elibonakalayo, imigaqo elungileyo ye-Wiring inokuqinisekisa ukhuseleko lweBhodi yeBhodi, uthobela iimfuno zemveliso, kwaye ugcine iindleko.
5. Eminye imisebenzi encedisayo, efana nobhedu obandayo kunye nokuzalisa kwe-teardrop, kunye nokulungiswa koxwebhu olunjengokuvela kwengxelo kunye nokonga ukuprinta. Ezi fayile zingasetyenziselwa ukukhangela kunye nokuguqula iibhodi zesekethe zePCB, kwaye zinokusetyenziswa njengoluhlu lwezinto ezithengiweyo.
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Icandelo lemithetho
1. Akukho bharindi ivunyelwe ngaphakathi kwendawo ≤1mm ukusuka kumda weBhodi yePCB kwaye ngaphakathi kwe-1mm ejikeleze umngxunya wokunyuka;
2. Umgca wamandla kufuneka ube ububanzi kwaye ungabi ngaphantsi kwe-18mil; Ububanzi bemiqondiso yomqondiso akufuneki bube ngaphantsi kwe-12m; Igalelo le-CPU kunye nemigca yokuphuma akufuneki ibe ngaphantsi kwe-10mil (okanye i-8mil); Isithuba somgca akufuneki sibe ngaphantsi kwe-10mil;
3. Iqhelekile kwimingxunya ayingaphantsi kwe-30mil;
I-4. Iplagi ye-intanethi ye-pad: pad 60mil, i-aperture 40mil; I-1 / 4W Destisela: 51 * 55mil (0805 intaba); Xa waxhuzulwa, pad 62mil, i-aperture22mlil; I-Shocictor engenambhobho: I-51 * 55mil (0805 intaba); Xa ifakwe ngqo, i-pad i-50mm kunye nobubanzi bemingxuma ye-28m;
5. Nikela ingqalelo yokuba imigca yamandla kunye neengcingo zomhlaba kufuneka zibe njenge-radial kangangoko kunokwenzeka, kwaye imigca yomqondiso ayifanele iqaliswe kwiilogo.