Uluhlu lobhedu lwe ibhodi yesekethe eprintiweyo kugxilwe kulo naluphi na uyilo lweesekethe, amanye amacandelo axhasa kuphela okanye akhusele isekethe, okanye enze lula inkqubo yendibano. Umyili wePCB okhulayo, eyona nto iphambili kukufumana unxibelelwano ukusuka kwindawo A ukuya kwinqanaba B kunye neengxaki ezimbalwa kangangoko kunokwenzeka.

Uluhlu lobhedu lwebhodi yesekethe eprintiweyo kukujoliswa kwayo nayiphi na uyilo lweesekethe, amanye amacandelo axhasa kuphela okanye akhusele isekethe, okanye enze lula inkqubo yendibano. Umyili wePCB okhulayo, eyona nto iphambili kukufumana unxibelelwano ukusuka kwindawo A ukuya kwinqanaba B kunye neengxaki ezimbalwa kangangoko kunokwenzeka.

Nangona kunjalo, ixesha kunye namava, abayili be-PCB bagxila ngakumbi:

ingcaciso

zobugcisa

Ukusetyenziswa kwesithuba

Ukusebenza jikelele

Ibhodi yexabiso eliphantsi

Ukufumaneka kuza ngexabiso lesantya kunye nomgangatho

I-PCB yasekhaya

Iqheleke ngokwesiqhelo ngenxa yexesha lokutshintsha

I-PCB yobungcali

Sebenzisa iindlela eziphambili ngakumbi ukuphucula ukusebenza kunye nokunyamezelana

L Thatha ithuba lobuchule bokutsala kunye nezixhobo ezingcono kunye nobuchule

Ngenxa yempembelelo enkulu yobungcali, umahluko phakathi kweekomiti zokufundela kunye nezobuchwephesha uye wabonakala ngakumbi njengoko ukunyamezelana kusanda

Umahluko phakathi kwezindlu ezifikelelekayo nezisemgangathweni sele ucacile

Amanyathelo okubambisa i-PCB:

1. Ngokulinganayo faka i-photoresist kwisitya sobhedu

Ifotoresist inovakalelo ekukhanyeni kwe-ultraviolet kwaye iyanzima emva kokuvezwa. Iifotoresist zigqunywe ngomfanekiso omdaka wobhedu kwisitya.

2. Ukukhanya okunamandla kwe-ultraviolet kusetyenziswa ukuveza isiciko esisezantsi sebhodi yesekethe

Ukukhanya okumandla kwe-ultraviolet kuya kwenza lukhuni iindawo ekufuneka zihlale zingamacwecwe obhedu. Itekhnoloji iyafana naleyo yayisetyenziselwa ukwenza iisemiconductors ngamashumi ee-nanometer ngobukhulu, ke ikwazi ngokupheleleyo ukuba neempawu ezigqwesileyo.

3. Tshonisa yonke ibhodi yesekethe kwisisombululo sokususa ifotoresist eyomeleleyo

4. Sebenzisa itcher yobhedu ukususa ubhedu olungafunekiyo

Umceli mngeni onomdla kwinqanaba lokudibanisa yimfuno yokwenza i-anisotropic etching. Xa ubhedu lugxunyekwe ezantsi, umda wobhedu olukhuselweyo uyavezwa kwaye ushiywe ungakhuselekanga. Kulungile ukulandela umkhondo, kokukhona umncinci umlinganiso womaleko ophezulu okhuselweyo ukuya kwicala elisecaleni elingaphandle.

5. Boba imingxunya kwi-PCB

Ukusuka kwizingxobo ukuya kwimingxunya ukuya kwimingxunya yokunyuka, le mingxunya inokusetyenziselwa zonke iintlobo ezahlukeneyo ze-PCB. Nje ukuba le mingxuma yenziwe, ubhedu lufakwa ngaphakathi kweendonga zomngxunya kusetyenziswa i-electroless dipozithi yokwenza uxhulumaniso lombane kwibhodi yonke.

Imowudi yokuvelisa kunye nendlela yoyilo yePCB ayinakuhoywa okanye ayinakuhoywa. Nangona umyili engadingi iminyaka yokuveliswa kwePCB kunye namava endibano, ukuqonda okuqinisekileyo kwendlela yokwenza ezi zinto kuya kukunika ukuqonda okungcono kwendlela nesizathu sokuba uyilo lwePCB lusebenza.