Kwihlabathi le-electronics eliguqukayo ngokukhawuleza, imfuno ye-compact, i-lightweight kunye ne-high-performance device ikhokelele ekwamkelweni okubanzi kwee-PCB eziguquguqukayo eziqinileyo (iiPCB zeSekethe eziprintiweyo). Ezi bhodi zesekethe ezintsha zidibanisa ezona mpawu zibalaseleyo zeePCB eziqinileyo neziguquguqukayo ukubonelela ngokuthembeka nokusebenza okuphuculweyo. Nangona kunjalo, ukuyila iiPCB eziguquguqukayo eziqinileyo kufuna uqwalaselo ngononophelo lwemiba eyahlukeneyo ukuze kuqinisekiswe imfezeko yophawu olufanelekileyo, ulawulo lobushushu, kunye namandla oomatshini. Eli nqaku liphonononga iingqwalasela eziphambili xa kuyilwa iileya zePCB eziguquguqukayo, zijolise kubunzima bomaleko, inani leeleya, imithetho yoyilo, kunye nendibano kunye novavanyo.
Ubukhulu bemaleko kunye nenani leeleya
Enye yezona zinto zibaluleke kakhulu kwi-rigid-flex laminate design kukumisela ubukhulu obufanelekileyo bomaleko kunye nenani leeleya. Ubukhulu bomaleko ngamnye buchaphazela ngokuthe ngqo ukusebenza kunye nokuthembeka kwePCB. Iileya ezityebileyo zibonelela ngamandla omatshini angcono kunye nolawulo lobushushu, ngelixa iileya ezibhityileyo ziphucula ukuguquguquka kunye nokunciphisa ubunzima.
Xa uyila ii-PCB eziguquguqukayo eziqinileyo, kufuneka kubekho ibhalansi phakathi kwezi zinto. Ukupakishwa kwemigangatho emininzi kunokuphucula imfezeko yomqondiso ngokubonelela ngokhuselo olungcono kunye nokunciphisa ukuphazamiseka kwe-electromagnetic (EMI). Nangona kunjalo, ukwandisa inani leeleya kuyenza ibe nzima inkqubo yokuvelisa kwaye kunokubangela iindleko eziphezulu. Ke ngoko, abaqulunqi kufuneka bavavanye ngononophelo iimfuno ezithile zesicelo ukumisela ukucwangciswa komgangatho ofanelekileyo.
Iingqwalaselo zemfezeko yomqondiso
Ingqibelelo yomqondiso ibalulekile kuyilo lwePCB oluguquguqukayo, ngakumbi kwizicelo ezinesantya esiphezulu. Uyilo lwePCB kufuneka lucuthe ilahleko yesiginali kunye nokugqwetheka, okunokuzuzwa ngobuchule bokuhamba kunye nokupakishwa ko maleko. Abaqulunqi kufuneka bathathele ingqalelo le miba ilandelayo ukomeleza imfezeko yomqondiso:
Ulawulo loMbane:Ukugcina i-impedance engaguqukiyo kuyo yonke i-PCB ibalulekile ekunciphiseni imbonakalo kunye nokuqinisekisa imfezeko yesiginali. Oku kunokufezekiswa ngokulawula ububanzi bemikhondo kunye nezithuba phakathi kweetrayisi.
IiPlanethi ezisemhlabeni kunye nezaMandla:Ukusebenzisa umhlaba ozinikeleyo kunye neenqwelomoya zamandla kunceda ukunciphisa ingxolo kunye nokuphucula imfezeko yomqondiso. Ezi nqwelomoya zibonelela ngendlela ephantsi yokuthintela ukubuya kwangoku, okubaluleke kakhulu kwiimpawu zesantya esiphezulu.
ngokuYilwa:Uyilo kunye nohlobo lwe-vias olusetyenziswe kuyilo lunokuchaphazela kakhulu ingqibelelo yomqondiso. Ukufaphazeka kunye nokungcwatywa kwe-vias kunceda ukunciphisa ubude bendlela yomqondiso kunye nokunciphisa inductance, ngelixa ukubekwa ngononophelo kunokuthintela ukunqumlana phakathi kweetrayisi ezikufutshane.
Yila imithetho ekufuneka ilandelwe
Ukuthotyelwa kwemigaqo yoyilo olusekiweyo kubalulekile ekuqinisekiseni ukuthembeka kweePCB eziguquguqukayo. Eminye imithetho yoyilo ephambili ekufuneka iqwalaselwe ibandakanya:
Ubuncinane boMvula:Ubuncinci besayizi yokuvula ii-vias kunye neepads kufuneka zichazwe ngokusekelwe kubuchule bokuvelisa. Oku kuqinisekisa ukuba iiPCBs zinokuveliswa ngokuthembekileyo kwaye ngaphandle kweziphene.
Ububanzi bomgca kunye nesithuba:Ububanzi kunye nezithuba zomzila kufuneka zibalwe ngononophelo ukuthintela iingxaki ezinjengeesekethe ezimfutshane kunye nokunciphisa umqondiso. Abaqulunqi kufuneka babhekiselele kwimigangatho ye-IPC ukuze bafumane isikhokelo kububanzi bomgca obuncinane kunye nesithuba.
Ulawulo lobushushu:Ulawulo olusebenzayo lwe-thermal lubalulekile ekugcineni ukusebenza kunye nokuthembeka kwee-PCB eziguquguqukayo. Abaqulunqi kufuneka bathathele ingqalelo i-thermal vias kunye neesinki zobushushu ukuze bachithe ubushushu obuveliswa ngamacandelo anamandla aphezulu.
Inqaku leNdibano kunye novavanyo
Inkqubo yokuhlanganisa ii-PCB eziguquguqukayo zibonakalisa imingeni ekhethekileyo ekufuneka iqwalaselwe ngexesha lesigaba soyilo. Ukuqinisekisa inkqubo yokudibanisa egudileyo, abaqulunqi kufuneka:
Gcina isithuba sokudibanisa:Indawo eyaneleyo kufuneka igcinelwe izihlanganisi kunye namanye amacandelo ukuququzelela ukudibanisa kunye nokugcinwa. Oku kubaluleke ngakumbi kuyilo olubambeneyo apho indawo incinyiweyo.
UYilo lweNdawo yoVavanyo:Ukubandakanya amanqaku ovavanyo kuyilo kwenza uvavanyo kunye nokusombulula ingxaki kube lula ngexesha lendibano. Abaqulunqi kufuneka babeke amanqaku ovavanyo ngobuchule ukuqinisekisa ukufikeleleka ngaphandle kokuchaphazela uyilo lulonke.
Ukuguquguquka kunye neRadiyo yokugoba:Uyilo kufuneka luthathele ingqalelo i-PCB bhetyebhetye, ngakumbi kwiindawo apho kuya kwenzeka ukugoba. Abaqulunqi kufuneka babambelele kwirediyasi yokugoba ecetyiswayo ukukhusela umonakalo kwi-PCB ngexesha lokusetyenziswa.
Ukuba nokwenzeka kwenkqubo yokuvelisa i-PCB eqinileyo
Ekugqibeleni, ukwenzeka kwenkqubo yokuvelisa i-PCB eguquguqukayo kufuneka ithathelwe ingqalelo ngexesha loyilo. Ubunzima boyilo buchaphazela amandla okuvelisa kunye neendleko. Abaqulunqi kufuneka basebenze ngokusondeleyo nomenzi wePCB ukuqinisekisa ukuba uyilo lunokuveliswa ngokufanelekileyo nangaphakathi kohlahlo lwabiwo-mali.
Isishwankathelo, ukuyila ii-PCB eziguquguqukayo zifuna ukuqonda ngokubanzi izinto ezichaphazela ukuthembeka kunye nokusebenza. Ngokuqwalasela ngononophelo ubukhulu bomaleko, imfezeko yomqondiso, imithetho yoyilo, kunye neemfuno zendibano kunye novavanyo, abaqulunqi banokudala iiPCB eziguquguqukayo ezihlangabezana neemfuno zezicelo zombane zanamhlanje. Njengoko itekhnoloji iqhubeka nokuhambela phambili, ii-PCB eziguquguqukayo ziya kukhula ukubaluleka kushishino lwe-elektroniki, ngoko ke abaqulunqi kufuneka bahlale benolwazi malunga neendlela ezingcono kunye neendlela ezivelayo kuyilo lwePCB.
Ixesha lokuposa: Nov-10-2024
Emva
