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Inzwa yePCB eneMingxunya Engaphelelanga
Umngxuma osisiqingatha oqhotyoshelweyo
Umngxuma osisiqingatha ogqunywe ngepleyiti, okwaziwa ngokuba ngumngxuma ogqunywe ngepleyiti, sisakhiwo esenziwe ecaleni kwemiphetho yePCB efana nemiphetho egobileyo. Yenziwa ngokuqala yenze ii-vias ezigqunywe ngepleyiti ezisemgangathweni uze usebenzise isixhobo sokusila esibukhali ukusika inxalenye yomngxuma, ushiye isiqingatha sawo singabi nasici.
Olu yilo yindlela esebenzayo nelula yokunxibelelana ecaleni, edla ngokusetyenziswa kwiisekethe zesignali kwaye isetyenziswa kakhulu kwiintambo zebhodi ukuya kwelinye. Iintambo zesiqingatha ezifakwe kwipleyiti zinokudityaniswa ngokuthe ngqo kwimiphetho yebhodi ephambili, oko konga izihlanganisi kunye nendawo. Umzekelo, iimodyuli zeBluetooth okanye zeWi-Fi ezineentambo zesiqingatha ezifakwe kwipleyiti zinokudityaniswa ngokulula kwibhodi ephambili njengezinto ezizodwa, zihlangabezana neemfuno ezithile ngaphandle kwesidingo socingo olongezelelweyo, nto leyo ekhokelela kwindibano ecocekileyo nelula.
Nangona ii-half-holes ezifakwe ipleyiti zinceda ukunyibilikisa ibhodi ukuya kwelinye, zithathwa njengetekhnoloji ekhethekileyo kushishino lwe-PCB kwaye ziza neendleko eziphezulu. Ukongeza, umjikelo wemveliso yezi PCB mde kakhulu.
Iimpawu zeSensor Half-Hole PCBs
1. Uyilo oluNcinci:
IiPCB ezinemingxuma engaphantsi zezixhobo zenzwa zenzelwe ukuba zibe ncinci, nto leyo evumela ukusetyenziswa kakuhle kwendawo kwiimodyuli zenzwa ezincinci. Oku kuqina kubalulekile ekudibaniseni izixhobo zenzwa kwiindawo ezixineneyo ngaphakathi kwezixhobo.
2. Uqhagamshelo oluSebenzayo:
Uyilo olunemingxunya engaphantsi lunceda uqhagamshelo oluthembekileyo phakathi kwebhodi nebhodi, oluyimfuneko kwiisensa ezifuna ukudibana nezinye izinto ze-elektroniki okanye iibhodi. Olu yilo lunciphisa isidingo see-connectors ezongezelelweyo kwaye lunceda ekwenzeni lula inkqubo yokuhlanganisa.
3. Ukunyaniseka kweSignali okuPhuculweyo:
Iimingxuma ezizihafu zinceda ukugcina ukuthembeka kwesignali ngokunciphisa umgama phakathi kweendlela zesignali nokunciphisa ukuphazamiseka. Oku kubaluleke kakhulu kwiisensa ezixhomekeke ekudlulisweni kwedatha ngokuchanekileyo ukuze zisebenze.
4. Ukuvelisa Okungabizi Kakhulu:
Ngokusebenzisa imingxuma engama-half-holes, abavelisi banokunciphisa iindleko ezinxulumene nezihlanganisi kunye nokuhlanganiswa. Oku kungenxa yokukwazi ukunyibilikisa ngokuthe ngqo kwemingxuma engama-half-holes, okwenza kube lula inkqubo yokuvelisa.
5. Ukuphucula Indawo:
Ukusetyenziswa kwemingxuma engaphantsi kwesiqingatha kuvumela ulawulo olungcono lwesithuba kwi-PCB. Oku kuluncedo kwizicelo zesensor apho indawo incinci kwaye uyilo olufanelekileyo lubalulekile ekusebenzeni nasekusebenzeni.
6. Izicelo Ezininzi:
Ii-PCB ze-sensor ezinemingxuma engaphantsi zinokusetyenziswa ngeendlela ezahlukeneyo kwaye zingasetyenziswa kwiintlobo ngeentlobo zee-sensors, kuquka ii-environmental sensors, ii-motion sensors, kunye nee-imaging sensors. Uyilo lwazo luhambelana nobukhulu bee-sensor ezahlukeneyo kunye neemfuno zokufakela.
7. Ukuthembeka okuphuculweyo:
IiPCB ezinemingxuma engaphantsi ziphucula ukuthembeka kweesensa ngokubonelela ngendlela yoqhagamshelo eqinileyo. Oku kunciphisa umngcipheko wokungasebenzi kakuhle koomatshini kwaye kuphucula ukuqina kwee-sensa zesensa.
Uyilo Lokwenziwa KweePCB Ezinemingxunya Engaphelelanga
Ubungakanani obuncinci beHalf-Hole
Ubungakanani obuncinci bokwenziwa kwimingxunya engama-half-holes yi-0.5mm, ukuba umngxuma uphakathi komphetho we-PCB. Oku kuthetha ukuba kufuneka kubekho indawo yobhedu eyi-0.25mm ngaphakathi kwe-PCB ukuqinisekisa ukuthembeka komngxuma. Ngaphandle kwale ndawo yobhedu ephakathi, ubhedu olusezindongeni zomngxuma lunokuqhekeka ngexesha lenkqubo yemveliso, nto leyo ekhokelela kwimingxunya engafakwanga plasta kwaye yenze imveliso yokugqibela ingasebenzi.
Isithuba seHalf-Hole
Kwii-PCB ezinemingxunya engaphantsi, ububanzi bomngxuma obuncinci obugqityiweyo yi-0.5mm. Ngexesha lenkqubo yokuvelisa, ububanzi bomngxuma kufuneka buhlawulwe. Emva kokuhlawula, isithuba phakathi kwemingxuma engaphantsi kufuneka sibe yi-0.35mm ubuncinane. Ke ngoko, isithuba esicwangcisiweyo phakathi kwemingxuma engaphantsi kufuneka sibe yi-≥0.45mm. Ii-solder pads ezifanelekileyo zemingxuma engaphantsi kufuneka zihlawulwe ukuqinisekisa ukuba ziyi-≥0.25mm. Ukongeza, kufuneka kubekho ibhulorho yemaski yesolder phakathi kwezithuba zemaski yesolder kunye nee-solder pads zemingxuma engaphantsi.
Ukufakwa kwePanelo yeHalf-Hole
Xa kugxunyekwa ii-PCB ezinemingxunya engaphantsi, kubalulekile ukushiya isithuba esijikeleze imingxuma engaphantsi ukuze kube lula ukuqhuba nokugaya. Le nkcukacha idla ngokunganakwa ngexesha loyilo kuba bambalwa oonjineli boyilo abaye batyelela iifektri ze-PCB ukuze baqonde indlela eyenziwa ngayo imingxunya engaphantsi. Ngenxa yoko, iimveliso ezinemingxunya engaphantsi ngamanye amaxesha zigxunyekwa ngaphandle kwesithuba esifanelekileyo, kusetyenziswa iindlela eziqhelekileyo ze-V-CUT. Oku kunokukhokelela ekubeni ubhedu olukwimingxunya engaphantsi lutsalwe yi-V-CUT blade, nto leyo ekhokelela kwimingxuma engagqunywanga kwaye yenze imveliso ingasebenzi.
Iinkcukacha zoYilo lwePCB eneMingxunya Engaphelelanga
A. Umgama ukusuka kwi-Half-Hole Pad Edge ukuya kwi-Board Edge: ≥1mm
B. Ububanzi beHalf-Hole: ≥0.6mm
C. Isithuba Phakathi KweeHalf-Holes: ≥0.6mm
D. Indandatho yeSolder yecala elinye yeHalf-Hole: ≥0.25mm (ubuncinci yi-0.18mm)
Iinkcukacha zePaneli yePCB eneMingxunya eNgesiqingatha
Ubungakanani beBhodi nganye: Ubude nobubanzi bePCB enemingxunya engaphantsi kufuneka bube >10mm (oku kusebenza nakwiibhodi ezineephaneli). Njengeebhodi eziqhelekileyo, iiPCB ezinemingxunya engaphantsi zinokufakwa kwiiphaneli kusetyenziswa iindlela ze-V-CUT kunye neendlela zokuhambisa iithebhu.
Unyango lweMiphetho: Imiphetho yePCB enemingxunya engaphantsi ayinakubunjwa kusetyenziswa i-V-CUT, njengoko i-V-CUT inokutsala ubhedu.
Indlela yokuyila ii-PCB ezinemingxunya emincinci
Vula iSoftware yoYilo lwePCB: Qalisa isoftware yakho yoyilo lwePCB uze wenze iprojekthi entsha yePCB.
Khetha Iindawo Ezinemingxunya Engaphelelanga: Kumhleli woyilo, khetha iindawo ofuna ukongeza kuzo imingxunya engaphelelanga.
Yongeza iiVias: Kumhleli woyilo, khetha ukhetho oluthi “Yongeza iiVias” okanye uphawu olufanayo.
IiParameters zeSet Via: Lungiselela ububanzi kunye nendawo ye-via. Qinisekisa ukuba i-via imiselwe ukuba ibe yi-half-hole, oko kuthetha ukuba ine-copper coating kwicala elinye kuphela.
Lungisa Indawo kunye nobungakanani: Guqula indawo kunye nobukhulu be-via njengoko kufuneka ukuze uhlangabezane neemfuno zakho zoyilo.
Iimveliso Ezisebenzisa ii-PCB zeHalf-Hole
Iimodyuli zeBluetooth: Zisetyenziswa rhoqo kwizixhobo ezahlukeneyo zonxibelelwano ezingenazingcingo zokunxibelelana.
Iimodyuli zeWi-Fi: Zifumaneka kwii-elektroniki zabathengi ezifana neelaptops kunye nee-routers ukuze kusebenze uqhagamshelo lwe-intanethi olungenazingcingo.
Izixhobo Ezinxitywayo: Ezifana nee-smartwatches kunye ne-trackers zokomelela komzimba, apho ukonga indawo kunye nokunxibelelana okusebenzayo phakathi kwebhodi nebhodi kubalulekile.
Iithegi zeRFID: Zisetyenziswa kwiinkqubo zokulandelela nokuchonga, zixhamla kwiindlela zoyilo zePCB ezincinci nezisebenzayo.
Izixhobo ze-IoT ezincinci: Izixhobo ezifana nee-smart sensors kunye nee-compact gateways ezifuna uqhagamshelo oluncinci nolusebenzayo.
Iimodyuli zeKhamera: Zisetyenziswa kwiifowuni eziphathwayo nakwezinye izixhobo zomfanekiso, apho ukunqongophala kwendawo kunye nokunxibelelana kwebhodi kubaluleke kakhulu.
IiSensors zeeMoto: Iisensors ezincinci ezisetyenziswa kwiinkqubo zeemoto zokubeka esweni nokulawula.
I-PCB eneMingxunya Engaphelelanga
IiPCB ezinemingxunya esiqingatha zinemiqolo yemingxunya ebholwe ecaleni komphetho wePCB. Xa le mingxunya igqunywe ngethusi, imiphetho iyanqunyulwa, nto leyo ebangela ukuba ibonakale ngathi igqunywe ngesiqingatha kumda. Olu luyilo lunika umphetho wePCB imbonakalo yomphezulu ogqunywe ngethusi.
Kwii-PCB zohlobo lweemodyuli, imingxuma engama-half-holes idla ngokudityaniswa ukuze kube lula ukutywina. Ngenxa yobukhulu obuncinci kunye neemfuno ezahlukeneyo zokusebenza kweemodyuli, imingxuma engama-half-holes idla ngokubekwa ecaleni komphetho we-PCB. Ngexesha lenkqubo yokuhambisa, isiqingatha somphetho siyanqunyulwa, kushiyeke kuphela imingxuma engama-half-plated ebonakalayo kwi-PCB.
Le ndlela yoyilo iphucula ukulula kokutywina kwaye ihambelana neemfuno zeemodyuli ezincinci nezinemisebenzi emininzi.
Imingeni yokwenziwa kwe-Half-Hole PCB
Kwinkqubo yokucubungula imingxuma engaphantsi, ukuba ii-copper burrs zihlala ngaphakathi kwimingxuma eyenziwe ngesinyithi, oko kunokukhokelela kwiingxaki ezifana namajoyinti abuthathaka e-solder, i-cold soldering, kunye nee-short circuits phakathi kwee-pins, ingakumbi kwimigca ye-half-holes apho isithuba sincinci kakhulu kwaye sithambekele kwii-short circuits. Ngexesha lenkqubo yokuhambisa, iingxaki ezifana ne-copper ephakanyisiweyo kwiindonga zemingxuma kunye ne-residual burrs ziqhelekile, zihlala zibangelwa sisantya esingonelanga sesixhobo sokuhambisa, ukubopha okungonelanga phakathi kwe-copper kunye neendonga zemingxuma, kunye nobukhulu obukhulu be-copper obukhokelela ekusikeni okungaphelelanga.
Ukongeza, kwimeko yemingxunya engama-half-holes eyenziwe ngesinyithi, utshintsho ekwandisweni kwe-PCB, ukuchaneka kokubhola, kunye nokuchaneka kokwakheka kunokubangela ukuphambuka okukhulu kobukhulu phakathi kwemingxunya engama-half-holes kumacala omabini eyunithi enye. Oku kungangqinelani kudala imingeni ebalulekileyo kubathengi ngexesha lokutywina nokuhlanganiswa.
Izizathu zokunyuka kweendleko zee-PCB zeHalf-Hole
Iingxunya ezizihafu ziquka inkqubo yokwenziwa ekhethekileyo. Ukuqinisekisa ukuba kukho ubhedu ngaphakathi kwimingxunya, imiphetho kufuneka ijikelezwe phakathi kwenkqubo. Ukongeza, ii-PCB ezizihafu zihlala zincinci kakhulu, nto leyo eyonyusa iindleko. Ngenxa yoko, uyilo olungezizo ezisemgangathweni luza nexabiso elingezizo ezisemgangathweni.