Ngaphambi kokwazisa ifestile yemaski yesolder, kufuneka sazi kuqala ukuba yintoni imaski yesolder.Imaski ye-Solder ibhekisa kwinxalenye yebhodi yesekethe eprintiweyo ukuba inki, esetyenziselwa ukugubungela umkhondo kunye nobhedu ukukhusela izinto zentsimbi kwi-PCB kunye nokuthintela imijikelezo emfutshane.Ukuvulwa kwemaski yeSolder kubhekiselele ekuvuleni indawo ekumaleko we-solder mask ukuze ukuwelda kwenziwe kwindawo yokuvula.Nayiphi na indawo apho kungekho sigqubuthelo semaski esishicilelweyo singabizwa ngokuba kukuvulwa kwefestile.Indawo apho imaski ye-solder ingaprintwa ibandakanya iipads ezithengiswayo, iipatch pads, indawo zokubeka, njalo njalo.Kukho kwakhona ityala elibizwa ngokuba yi-half-open window.Ifestile enesiqingatha evulekileyo ithetha ukuba inxalenye yepadi ayigqunywanga ngemaski ye-solder, kwaye enye igqunywe ngemaski ye-solder.
一.Indlela yokwahlula "ngefestile" kunye "ngeoyile yokugubungela"
Amagama athi "ngefestile" kunye "ngeoyile ye-cap" inokuviwa rhoqo kuyilo lwebhodi yesekethe.Enyanisweni, ngokoqobo lithetha ukuba enye ivula ifestile emngxunyeni, kwaye enye ivala umngxuma ngeoli.Ngamanye amazwi, nokuba kugqunywe umphezulu wePCB..
Ukuvula ifestilekuthetha ukuba inokuthi ifakwe ngokulula kwindawo apho ifestile ivulwe khona, kwaye nokuba ivula ifestile inokugwetywa ngokungqinelana nokuba inokuthi ifakwe.Ioli yokugubungela ibhekisela kwinto yokuba akulula ukwenza i-tin ngexesha le-patch, enqunywe yinkqubo.Izizathu zokuba kutheni i-vias ivakalelwa kukuba ayigqunywanga ngeoli zezi zilandelayo: ngenxa yokuba ioli ye-solder mask iyilwelo kwaye umbindi we-vias ungenanto, kulula ukuba ioli ingene kwimingxuma ngexesha lokubhaka. i-oyile yemaski ye-solder kwi-solder mask ring.Ngenxa yoko, ukutyheli kwe-vias kwenzeka.Le meko inxulumene nokugxininiswa kwe-solder yokumelana neoli, i-oven kunye namandla, ngoko kuya kubakho iimeko apho uhlaza lunokuvela kuyo, ngelixa abanye bengenako.
二.Kutheni kufuneka sivule ifestile yesolder mask?
Kwi-vias, ukuba ifestile ayivulwanga, i-inki ye-solder imaski iyakungena emngxunyeni.Kweminye imingxunya engayifuniyo imingxunya ye-inki yeplagi, kuyimfuneko ukuyilwa njengemingxuma.Kumacandelo axhonywe ngomngxuma, ukuba iPCB ayithengiswanga ukuvula ifestile, amacandelo akanakuthengiswa ebhodini ngokuqhelekileyo.Ukuvula i-aperture ayingomsebenzi we-welding elula, kodwa inokulinganiswa nge-vias.Ukuvuleka kwemaski yeSolder yemingxuma kwezinye iindawo ezikhethekileyo kunokusetyenziselwa ukulinganisa i-vias nge-multimeter..
Kwi-PCB, ukuba ifestile ayivulwanga, unyango lomphezulu alunakwenziwa, kwaye akukho nokutshiza ngetoti okanye ukuwelda kungenziwa.
三.Iyivula njani ifestile yesolder mask?
1. Kuyilo, i-pad iya kuvula ifestile ngokungagqibekanga (OVERRIDE: 0.1016mm), oko kukuthi, i-pad ibonakaliswe kwi-foil yobhedu, kwaye ukwandiswa kwangaphandle ngu-0.1016mm, kwaye i-soldering wave ifakwe.Utshintsho loyilo alukhuthazwa ukuqinisekisa ukuba i-solderability
2. Ngokungagqibekanga, umngxuma odlulayo uya kuba nefestile (OVERRIDE: 0.1016mm) kuyilo, oko kukuthi, umngxuma odlulayo ubonakaliswe kwifoyile yobhedu, ukwandiswa kwangaphandle ngu-0.1016mm, kwaye i-tin iya kusetyenziswa ngexesha lokusongelwa kwamaza.Ukuba uyilo kukuthintela i-vias ekubeni i-tinning kwaye ingavezi ubhedu, ukhetho lwe-PENTING kufuneka lukhangelwe kwiipropati ezongezelelweyo ze-SOLDER MASK ukuvala ukudlula.
3. Ukongezelela, olu luhlu lunokusetyenziswa kwakhona kwi-wiring engekho yombane yodwa, kwaye i-solder mask ioli eluhlaza iya kuvula ifestile ngokufanelekileyo.Ukuba ikwi-trace ye-copper foil, isetyenziselwa ukunyusa amandla okugqithisa ngokugqithisileyo, kwaye inokuthi ifakwe xa i-soldering.Ukuba ikwi-foil trace engeyiyo yobhedu, ngokuqhelekileyo yenzelwe ukuprintwa kwesikrini sesilika seempawu kunye neempawu ezikhethekileyo, ezinokugcina imveliso.