Mabhodhi edunhu akadhindwa ndiwo anodiwa pamidziyo yemagetsi yakawanda. MaPCB emazuva ano ane zvikamu zvakasiyana-siyana: substrate, traces, solder mask, uye silkscreen. Chimwe chezvinhu zvakakosha paPCB imhangura, uye pane zvikonzero zvakawanda nei mhangura ichishandiswa panzvimbo pemamwe ma alloys akaita searuminiyamu kana tin.
Chii Chinogadzirwa nePCB?
Zvichitaurwa nekambani yePCB assembly, maPCB anogadzirwa nechinhu chinonzi substrate, icho chakagadzirwa nefiberglass yakasimbiswa ne epoxy resin. Pamusoro pe substrate pane jira re copper foil rinogona kusungirirwa kumativi ese kana rimwe chete. Kana substrate yagadzirwa, vagadziri vanoisa zvikamu pairi. Vanoshandisa solder mask uye silkscreen pamwe chete nema resistors, capacitors, transistors, diodes, circuit chips, nezvimwe zvikamu zvine hunyanzvi.
Sei Copper Foil Ichishandiswa muPCBs?
Vagadziri vePCB vanoshandisa mhangura nekuti ine simba guru remagetsi nekupisa. Sezvo magetsi achifamba pamwe chete nePCB, mhangura iyi inochengetedza kupisa kuti kusakuvadze uye kuomesa PCB yasara. Nemamwe ma alloys - akadai searuminiyamu kana tin - PCB inogona kupisa zvisina kuenzana uye kusashanda zvakanaka.
Mhangura ndiyo inonyanya kufarirwa nekuti inogona kutumira masaini emagetsi pasina matambudziko ekurasikirwa kana kunonoka kwemagetsi. Kushanda zvakanaka kwekutamisa kupisa kunobvumira vagadziri kuisa madhishi ekupisa ekare pamusoro. Mhangura pachayo inoshanda zvakanaka, sezvo ounce imwe chete yemhangura inogona kufukidza futi imwe chete yePCB substrate pahukobvu hwe 1.4 thousandths ye inch kana 35 micrometers.
Mhangura inofambisa zvinhu zvakanyanya nekuti ine maerekitironi akasununguka anogona kufamba kubva paatomu imwe kuenda kune imwe asinganonoke. Nekuti inoramba ichishanda zvakanaka padanho rakatetepa sezvinoita padanho rakakora, mhangura shoma inobatsira zvikuru.
Mhangura Nedzimwe Simbi Dzinokosha Dzinoshandiswa muPCBs
Vanhu vazhinji vanoziva kuti maPCB ane ruvara rwegirini. Asi, anowanzova nemavara matatu pachikamu chekunze: goridhe, sirivha, uye tsvuku. Anewo mhangura yakachena mukati nekunze kwePCB. Dzimwe simbi dziri pabhodhi redunhu dzinoonekwa mumavara akasiyana-siyana. Chikamu chegoridhe ndicho chinodhura zvakanyanya, chikamu chesirivha ndicho chinodhura zviri nani, uye chitsvuku ndicho chinodhura zvishoma.
Kushandisa Kunyudzwa Kwegoridhe muPCBs
mhangura pabhodhi redunhu rakadhindwa
Rutivi rwakafukidzwa negoridhe runoshandiswa pakubatanidza zvidimbu zvesimbi uye mapedhi ezvikamu. Rutivi rwegoridhe rwekunyudza rwuripo kudzivirira kutamiswa kwemaatomu epamusoro. Rutivi urwu harusi rwegoridhe chete, asi rwakagadzirwa negoridhe chairo. Goridhe rakatetepa zvikuru asi rakakwana kuwedzera hupenyu hwezvinhu zvinoda kusungirirwa. Goridhe rinodzivirira zvikamu zvesimbi kuti zvisaora nekufamba kwenguva.
Kushandisa Kunyudza Sirivha muPCBs
Sirivha imwe simbi inoshandiswa mukugadzira maPCB. Haidhuri zvakanyanya pane kunyudza goridhe. Kunyudza sirivha kunogona kushandiswa panzvimbo yekunyudza goridhe nekuti kunobatsirawo pakubatanidza, uye kunoderedza mutengo webhodhi. Kunyudza sirivha kunowanzo shandiswa mumaPCB anoshandiswa mumotokari nemakombiyuta.
Laminate yeCopper Clad muPCBs
Pane kushandisa chinhu chekunyudza, mhangura inoshandiswa muchimiro chakaputirwa. Iyi ndiyo jira dzvuku rePCB, uye ndiyo simbi inonyanya kushandiswa. PCB yakagadzirwa nemhangura sesimbi yekutanga, uye zvakakosha kuti macircuit abatane uye ataurirane zvinobudirira.
Ko Copper Foil Inoshandiswa Sei MuPCBs?
Mhangura inoshandiswa kakawanda mumaPCB, kubva pamhangura yakaputirwa nesimbi kusvika kune zvisaririra. Mhangura inokosha kuti maPCB ashande nemazvo.
Chii chinonzi PCB Trace?
Chiratidzo chePCB ndicho chinonzwika senzira yekutevera dunhu. Chiratidzo ichi chinosanganisira network yemhangura, waya, uye insulation, pamwe chete nemafuse nezvinhu zvinoshandiswa pabhodhi.
Nzira iri nyore yekunzwisisa tsanga ndeyekufunga nezvayo semugwagwa kana zambuko. Kuti mota dzikwanise kufamba, tsanga yacho inofanira kunge yakakura zvakakwana kuti ikwanise kubata maviri acho. Inofanira kunge yakakora zvakakwana kuti isaputsike kana yamanikidzwa. Inofanirawo kugadzirwa nezvinhu zvinokwanisa kutsungirira huremu hwemotokari dzinofamba pairi. Asi, tsanga dzinoita zvese izvi kusvika pamwero mudiki kuti dzifambise magetsi kwete mota.
Zvikamu zvePCB Trace
Kune zvinhu zvakawanda zvinoumba PCB trace. Zvine mabasa akasiyana-siyana anofanirwa kuitwa kuti bhodhi riite basa raro zvakakwana. Mhangura inofanira kushandiswa kubatsira matrace kuita mabasa awo, uye pasina PCB, tingadai tisina michina yemagetsi. Fungidzira nyika isina mafoni, malaptop, magadziri ekofi, nemotokari. Ndizvo zvataizova nazvo dai maPCB asina kushandisa mhangura.
Ukobvu hwePCB Trace
Dhizaini yePCB inoenderana nekukora kwebhodhi. Ukobvu hwacho huchakanganisa kuenzana uye huchaita kuti zvikamu zvirambe zvakabatana.
Upamhi hwePCB Trace
Upamhi hwetrace hunokoshawo. Izvi hazvikanganisi kuenzana kana kubatana kwezvikamu, asi zvinoita kuti magetsi arambe achipfuura pasina kupisa zvakanyanya kana kukuvadza bhodhi.
PCB Trace Yazvino
Simba rePCB trace current rinodiwa nekuti ndiro rinoshandiswa nebhodhi kufambisa magetsi kuburikidza nezvikamu newaya. Mhangura inobatsira izvi, uye maerekitironi akasununguka paatomu yega yega anoita kuti simba rifambe zvakanaka pamusoro pebhodhi.
Sei Copper Foil iri paPCB?
Maitiro Ekugadzira PCBs
Maitiro ekugadzira PCB akafanana. Mamwe makambani anozviita nekukurumidza kupfuura mamwe, asi ese anoshandisa maitiro nezvinhu zvakafanana. Aya ndiwo matanho:
Gadzira hwaro nefiberglass nemaresini
Isa zvidimbu zvemhangura pahwaro
Ziva uye gadzira mapatani emhangura
Geza bhodhi mubhavhu
Wedzera chifukidzo chesolder kuchengetedza PCB
Isa siriki paPCB
Isa uye solder ma resistors, ma integrated circuits, ma capacitor, nezvimwe zvikamu
Edza PCB
MaPCB anofanira kunge aine zvinhu zvine hunyanzvi hwakanyanya kuti ashande zvakanaka. Chimwe chezvinhu zvakakosha zvePCB imhangura. Iyi alloy inodiwa kuti ifambise magetsi pamidziyo ichaiswa maPCB. Pasina mhangura, michina yacho haizoshande nekuti magetsi haazove nealloy yekufamba nayo.
Nguva yekutumira: Kubvumbi-25-2022