PCB Pad Dhizaini Nyaya Dzinotsanangurwa
Unhu hwegungano reSMT (Surface Mount Technology) yakanangana nePCB padhi dhizaini, uye saizi reshiyo yemapadhi yakakosha. Kana iyo PCB pad dhizaini yakaringana, misalignment diki panguva yekuiswa inogona kugadziriswa panguva yereflow soldering process (inozivikanwa sekuzvigadzirisa kana kuzvigadzirisa). Kune rimwe divi, kana iyo PCB pad dhizaini isiriyo, kunyangwe kuiswa chaiko kunogona kukonzera kusarongeka kwechikamu, solder mabhiriji, uye kumwe kukanganiswa kwekutengesa mushure mekuyerera kwekutengesa. Basic Principles yePCB Pad Dhizaini Kubva pakuongororwa kweakasiyana echikamu solder majoini majoini, kuve nechokwadi chekuvimbika kwemajoini anotengeswa, iyo PCB pad dhizaini inofanirwa kutarisa pane zvinotevera zvinhu zvakakosha: Solderability Defects Inokonzerwa nePad Size Inconsistent Pad Sizes Mapedhi saizi anofanirwa kuenderana, uye kureba kwawo kunofanirwa kunge kuri mukati mechikamu chakakodzera. Mapadhi akapfupika kana akareba anogona kukonzera "guva" (kusimuka)
Nzira Yekunzvenga Pitfalls muPCB Hole uye Slot Dhizaini
Mukugadzirwa kwezvigadzirwa zvemagetsi, kubva pakugadzira schematic kusvika kuPCB marongerwo uye nzira, kukanganisa kwakasiyana-siyana kunogona kuitika nekuda kwekushaya ruzivo kana ruzivo, izvo zvinogona kukanganisa kufambira mberi uye, mumatambudziko akaoma, inoita kuti bhodhi redunhu rive risisashandiswe. Kuti tidzivise nyaya dzakadai, zvakakosha kuti tivandudze manzwisisiro edu enzvimbo iyi uye tidzivise zvikanganiso zvinowanzoitika. Ichi chinyorwa chichakurukura dzimwe nyaya dzekuchera panguva yePCB dhizaini kuti ikubatsire kudzivirira kudzokorora zvikanganiso zvakafanana. Kuchera kunogona kuiswa muzvikamu zvitatu: kuburikidza-gomba, gomba rebofu, uye gomba rakavigwa. Kuburikidza-makomba anosanganisira plated kuburikidza nemakomba (PTH), asiri akaputirwa kuburikidza nemakomba (NPTH), uye vias, izvo zvose vanoshumira kupa magetsi connectivity pakati akaturikidzana. Pasinei nerudzi, maburi anoshaikwa anogona kutungamira mukutadza kushanda zvakanaka, zvichiita kuti dhizaini yekudhirowa yakakosha. Dambudziko 1: Makomba Akaiswa Paiyo Yakashata Layer muAltium Dhizaini Dambudziko 2: Zero-Diamita Makomba muAltium Dhizaini Dambudziko 3:
Iwe Unonzwisisa Iwo Makuru Makuru PCB Nzira dzekuedza?
A PCB (Printed Circuit Board) chinhu chakakosha chemagetsi, chinowanzonzi sedunhu rakadhindwa kana rakadhindwa wiring board. Hunhu hwePCB hunonyanya kutarisisa mashandiro ezvikamu zvemagetsi, zvichiita kuti kuyedzwa kuve chikamu chakakosha chePCB kugadzira maitiro. Kuedza kunowanzo ratidza kukanganisa kushanda, sekuvhura, zvikabudura, uye zvimwe zvinhu zvisingaonekwe nyore. Kuti uve nechokwadi chekubudirira kwechero dhizaini yechigadzirwa, kutenderera kwakawanda kwekuyedzwa kunodiwa. Kuongororwa kwePCB kunobatsira kuderedza nyaya hombe, kuona zvikanganiso zvidiki, kuchengetedza nguva, uye kuderedza mitengo yese. Kuongororwa kwePCB kunonyanya kushandiswa kugadzirisa matambudziko anogona kuitika panguva yekugadzira uye yekupedzisira nhanho dzekugadzira. Aya maedzo anogona zvakare kuiswa kune prototypes kana madiki-scale magungano kuona zvingangoitika nenyaya nechigadzirwa chekupedzisira. Nzira dzekuyedza dzeBare PCB 1. AOI Testing (Automatic Optical Inspection) Midziyo yeAOI inoshandiswa zvakanyanya mumaindasitiri akasiyana siyana, kusanganisira kugadzira PCB, sesimbiso yakakosha yemhando.
8 Chengetedzo Distance Iyo Inofanirwa Kutariswa muPCB Dhizaini
Kune akawanda ekuchengetedza chinhambwe chekufunga muPCB dhizaini, kusanganisira kupatsanura pakati pematanho, kupatsanura hunhu, pad spacing, nezvimwe. Pano, tinoaisa mumapoka maviri: magetsi ane chekuita nekuchengetedza madaro uye asina-nemagetsi-ane hukama hwekuchengetedza madaro. 01 Magetsi-Anechekuita Nekuchengetedza Mafaro Kuteedzera-ku-Kutsvaga Nzvimbo Pakugona kugadzirisa kwevagadziri vePCB vemazuva ese, nhambwe yepakati pakati pezvitsva haifanirwe kuve isingasviki 0.075mm. Mutsara mudiki (minimum trace spacing) zvinoreva kanhambwe kadiki pakati pechironda nechimwe kana kuti pakati pechironda nepedhi. Kubva pakuona kwekugadzira, yakakura trace spacing iri nani. Kunyanya kukosha ndeye 0.127mm. Pad Hole Diameter uye Pad Width Kune vagadziri vePCB vakanyanya, kana padhi ikashandisa kuchera, iyo dhayamita yegomba haifanire kunge iri pasi pe0.2mm. Kana laser drilling ikashandiswa, iyo shoma gomba dhayamita haifanire kunge iri pasi pe0.1mm. Iyo gomba dhayamita kushivirira inogona kusiyana zvishoma zvichienderana nezvinhu, asi ndizvo
Kuvimbika Ongororo yeGomba Spacing muPCB Dhizaini
Kugadzirwa kwe-single-sided kana kaviri-sided PCBs kunowanzo sanganisira kuchera maburi asina-conductive kana conductive zvakananga mushure mekunge zvinhu zvachekwa, nepo mabhodhi-akawanda akadhirowa mushure mekuita lamination. Makomba akaiswa mumapoka zvichienderana nebasa rawo, kusanganisira makomba echikamu, maburi emidziyo, kuburikidza nemakomba (Vias), mapofu, nemakomba akavigwa (mapofu uye akavigwa makomba imhando yeburi). Kuchera kwakajairika kunoitwa uchishandisa michina yekuchera michina. Mukugadzira chaiko, kupatsanurwa pakati pemakomba kunowanzo kukanganisa maitiro ekugadzira uye kuvimbika kwechigadzirwa chekupedzisira. Hole Spacing Manufacturing Requirements: Via Holes (Conductive Holes): Pad Holes (PTH): Non-Plated Holes and Slots (NPTH): Kuvimbika Impact yeHole Spacing: Hole-to-Hole Spacing: Izvi zvinoreva chinhambwe kubva kumadziro emukati egomba kusvika kumadziro emukati erimwe, kwete mukati memadziro erimwe. Zvakakosha kusiyanisa pakati pezviyero izvi. Kana nzvimbo yegomba-to-gomba iri diki zvakanyanya, chii chinogona kuitika
PCB Manufacturability Dhizaini uye Nyaya Yekuongorora: Silkscreen, Outline, uye Panelization
PCB dhizaini idanho rakaomarara rinosanganisira zvakasiyana-siyana zvisingatarisirwe izvo zvinogona kukanganisa mhedzisiro yese. Kuve nechokwadi chekugadzirwa kwePCB yemhando yepamusoro nenguva-pasina kuwedzera nguva yekugadzira kana kuunza kudzoreredza kunodhura - dhizaini uye nyaya dzekutendeseka dzedunhu dzinofanirwa kuzivikanwa pakutanga kwekuita. Nekudaro, pane zvakawanda zvidiki zvidiki muPCB dhizaini izvo, kana zvikafuratirwa, zvinogona kukanganisa zvakanyanya kuita kwePCB uye kunyange kuona kubudirira kwechigadzirwa kana kutadza. Kuwedzera dhizaini yemhando uye mhando yechigadzirwa, ndeapi mamwe mashoko atinofanira kutarisa paari? Kuburikidza nechiitiko chinoshanda chekushanda nevatengi, isu takapfupikisa zvakakosha zvesilkscreen, chinyorwa, uye dhizaini dhizaini. Seyakanyanya kuvimbika multilayer PCB mugadziri, Wonderful PCB inyanzvi muPCB R&D nekugadzira, ichiunza kuvimbika kwepamusoro uye nekukurumidza-kutendeuka-kutendeuka prototyping zviitiko. Basa redu, "Mitengo Yakaderera uye Kuvandudza Kubudirira kweIndasitiri yeMagetsi," inoratidza kunzwisisa kwedu kuti dhizaini yekugadzira uye mutengo weinjiniya, nepo chikamu chidiki checheni yekugadzira, inogona kuve yakakosha.
PCB Manufacturability Dhizaini uye Nyaya Yekuongorora: Makomba uye Slots
Vias chinhu chisingadzivisiki chePCB dhizaini. Munguva yekuronga maitiro, kudzivirira mitsetse yese yekuyambuka kunowanzo kunetsa. Kugadzirisa izvi, vias anoshandiswa kuwana interlayer yekubatanidza, zvichitungamira kukudziridzwa kwemaviri-side uye multilayer PCBs. Nekuda kweizvozvo, vias zvave chinhu chakakosha chePCB dhizaini. Kubva pamaonero ekugadzira, vias inoshandisa zvinangwa zviviri zvikuru: kubatanidza magetsi uye tsigiro yemuchina kana kuisa. Aya mabasa anozadzisa zvinodiwa nemagetsi kana zvinodiwa zvemuviri. Naizvozvo, vias kazhinji Classified mberi kupinda yemagetsi vias uye michini rutsigiro makomba, pamwe ekupedzisira akakamurwa solder Pedhi makomba (kazhinji plated) uye mounting makomba (kazhinji asiri akaputirwa). A via kunyanya ine zvikamu zviviri: Pad nzvimbo: Nzvimbo yakatenderedza gomba rekuchera. Mune yakakwirira-kumhanya, yepamusoro-density PCB magadzirirwo, vagadziri vanowanzo tarisa diki diki vias kuti riwedzere nzvimbo yekufambisa uye kuderedza parasitic capacitance, zvichiita kuti ive yakakodzera kune yakakwirira-kumhanya maseketi. Nekudaro, kudzikisa kuburikidza nehukuru kunowedzera mutengo wekugadzira
Manufacturability Dhizaini yePCB Inner Layers
Kana PCB injinjini ikaisa chigadzirwa, inosanganisira zvinopfuura kungoisa chikamu uye nzira. Kugadzira simba uye ndege dzepasi muzvikamu zvemukati zvakakosha zvakaenzana. Kugadzirisa zvidimbu zvemukati zvinoda kutariswa kwesimba rekuvimbika, kutendeseka kwechiratidzo, kuenderana kwemagetsi, uye Dhizaini Yekugadzira. Musiyano Pakati peInner Layers neOuter Layers Outer layers anoshandiswa kunzira uye solder zvikamu, nepo mukati memukati akatsaurirwa kune simba uye pasi ndege. Aya maturu anongowanikwa mumabhodhi akawanda, kwaanopa nzira dzesimba uye pasi. Madhizaini akajairwa, akadai seaviri-layer, mana-layer, uye matanhatu-layer mabhodhi, anoreva nhamba yezviratidzo zvechiratidzo uye mukati simba / pasi pasi. Inner Layer Design 1. Ground Layer Under Critical Signals Nokuda kwepamusoro-speed, clock, uye high-frequency signals, kuisa pasi pasi zvakananga pasi pezviratidzo izvi kunoderedza urefu hweloop nzira uye kuderedza mwaranzi. 2. Power Plane uye Ground Plane Area Mu-high-speed circuit design, simba remhepo remhepo
Mapoinzi Akakosha ePCB Stamp Hole Bridge Dhizaini
Kazhinji, PCB inoshandisa V-CUTs. Makomba echitambi anowanzo shandiswa pakubata nemabhodhi asina kujairika kana denderedzwa. Matampu hole mabhiriji anobatanidza mabhodhi (kana mabhodhi asina chinhu) kunyanya kupa rubatsiro, kuve nechokwadi chekuti mabhodhi haaparadzanise panguva yekugadziriswa. Izvi zvakare zvinodzivirira kudonha kwe mold panguva yekuumbwa. Makomba echitambi anonyanya kushandiswa kugadzira akazvimirira PCB modules, seWi-Fi, Bluetooth, kana core board modules, inogona kushandiswa sezvikamu zvakazvimirira zvakaiswa pane imwe PCB panguva yegungano. Bridge Distance uye Width Stamp Hole Dhizaini Stamp Hole Bridges + V-CUT Peripheral Half-Hole Mabhodhi ane Stamp Holes Special Notes Iyi nzira inovimbisa kutendeseka kwechimiro, kureruka kwekugadzirisa, uye kuvimbika panguva yePCB gungano.
Kukosha kwePCB Layout nezve Electronic Zvikamu muPCBA
Kuiswa kwakakodzera kwezvinhu zvemagetsi paPCB kwakakosha kudzikisa hurema hwekutengesa. Paunenge uchironga zvinhu zvemagetsi, dzivisa nzvimbo dzine hukuru hwekutsauka uye kushushikana kwakanyanya kwemukati. Kugovera zvikamu zvakaenzana, kunyanya izvo zvine high thermal conductivity. Dzivisa kushandisa maPCB akawandisa kudzivirira kuwedzera uye kuderera. Dhizaini yakashata yePCB inogona kukanganisa magadzirirwo uye kuvimbika kwePCB. Vazhinji vagadziri, vachivavarira kuwedzera mashandisirwo enzvimbo yebhodhi redunhu, isa zvikamu padyo nemicheto sezvinobvira. Iyi tsika inogona kugadzira matambudziko akakosha ekugadzira uye PCBA gungano, kunyangwe kuita kuti musangano wekutengesa usagoneke. Impact yeEdge Component Layout: 1.Board Edge Milling: Zvikamu zvakaiswa padhuze zvakanyanya nemupendero webhodhi zvinogona kuita kuti mapadhi awo agayirwe panguva yekuumbwa. Kazhinji, padhi-ku-kumucheto chinhambwe chinofanira kunge chakakura kupfuura 0.2mm. Zvikasadaro, mapedhi ari pabhodhi emupendero zvikamu anogona kugayiwa, zvichiita kuti kuungana kunotevera kusagoneke. 2. Bhodhi Edge V-CUT: Kana bhodhi mupendero
Maitiro ekudzivirira Solder Mask Kusiya muPCB Dhizaini
Iyo solder mask layer paPCB inoreva chikamu chebhodhi chakafukidzwa negirinhi solder resist inki. Nzvimbo dzine solder mask kuvhurika dzinosiiwa dzisina inki, dzichifumura mhangura yekurapwa kwepamusoro uye zvinhu zvekutengesa. Nzvimbo dzisina kuvhurika dzakafukidzwa neingi yemasolder mask kudzivirira oxidation uye kuvuza. Zvikonzero Zvitatu zveSolder Mask Openings: 1. Kuburikidza neHole Pad Openings: Kuburikidza-gomba pads inoda solder mask kuvhurwa. Pasina aya mazaru, mapeji ekutengesa achavharwa neingi, zvichiita kuti zvisaite solder chikamu chinotungamira. 2. SMD Pad Openings: Solder mask kuvhurwa kunodiwa kune SMD pads kubvumira soldering. Kana iyo soldering nzvimbo isina mazaru, mapedhi achavharwa neingi, zvinobudirira kuita kuti asashandise. 3. Nzvimbo Yakakura Yemhangura Inozaruka: Kuti uwedzere huwandu huripo pasina kuwedzera kwekutsvaga, dzimwe nzvimbo dzine tin-plated. Tin-plating inoda solder mask kuvhurwa munzvimbo idzi. Nei Solder Mask Kuvhurwa Kwakakura Kupfuura Pads Solder mask kuvhurwa
Yese Maitiro eGoridhe Finger PCB muKugadzira uye Kugadzira
Mumakombuta memory memory modules uye makadhi emifananidzo, pane mutsara wegoridhe conductive contact pads, inowanzozivikanwa se "zvigunwe zvegoridhe." MuPCB dhizaini uye indasitiri yekugadzira, iyo PCB yegoridhe chigunwe (Gold Finger kana Edge Connector) inoreva chinongedzo chinoshandiswa seyekunze interface yePCB kuti ibatanidze kune ekunze zvishandiso. Muchikamu chino, tichaongorora dhizaini ye "chigunwe chegoridhe" muPCB uye tokurukura zvimwe zvakakosha zvekugadzira. Mashandiro uye Mashandisirwo eGoridhe Finger Interconnect Point yeGoridhe Finger Kana maPCB anobatsira (akadai semakadhi emifananidzo kana mamodules ekuyeuka) akabatana nebhodhi reamai, anoita izvi kuburikidza nekasitiri, sePCI, ISA, kana AGP. Chigunwe chegoridhe chinoshanda senzvimbo yekubatanidza, ichibvumira kutapurirana kwezviratidzo pakati pemidziyo yekutenderera kana makadhi emukati nekombuta. Special Adaptors, zvigunwe zveGoridhe, zvinogona kuwedzera mashandiro ebhodhi reamai nekubvumira yechipiri PCB
Kubatsira BOM Kukanganisa Kutarisa Kutsigira Chikamu Chekutenga
The Bill of Materials (BOM) yezvigadzirwa zvemagetsi ibasa rakatwasuka asi rakaomarara. Nezvizhinji zvezvikamu, kunyangwe kutarisisa kudiki kunogona kutungamira mukutora zvisirizvo zvikamu. Manual kuenzanisa kunowedzera njodzi yekukanganisa. Kana kukanganisa kukaitika panguva yeBOM yekufananidza nhanho, inotevera kubvunza kwekutenga uye makotesheni evatengi anogona kunge asina kukanganisa zvakare. Parizvino, hapana yakabatana chikamu dhatabhesi muindasitiri. Mainjiniya anowanzo kuvaka maraibhurari avo anowanzo shandiswa ekurongedza, zvichikonzera kusawirirana kweruzivo rwechikamu. Zvikonzero zvekutanga ndezvizvi: Panguva yekugadzira, mainjiniya emagetsi anotarisa pamagetsi ezvikamu. Nekudaro, mukugadzira nekutenga maitiro, vashandi vanofanirwa kutarisisa kune rumwe ruzivo, senge mugadziri, mutengesi, uye mugadziri chikamu nhamba (MPN). Iyo BOM inopihwa nevatengi inogona kunge iine mazana kana kunyange zviuru zvemitsetse zvinhu zvine mafomati asina chokwadi nemakoramu. Kazhinji, vatengi vanopa kanenge yepakutanga
8 Chengetedzo Distance dzeKufunga muPCB Dhizaini
PCB dhizaini inoda kutariswa kune akati wandei ekuchengetedza madaro, anosanganisira kuteedzera nzvimbo, mavara spacing, uye pad spacing. Aya mafungidziro anogona kazhinji kuiswa mumhando mbiri: magetsi ekuchengetedza madaro uye asiri emagetsi ekuchengetedza madaro. 01 Electrical Safety Distances Kutsvaga-ku-Trace Spacing Kuvagadziri vePCB vemazuva ose, nzvimbo shoma pakati pemakwara haifanire kunge iri pasi pe0.075mm. Mutsara mudiki-diki (minimum trace spacing) zvinoreva kanhambwe kadiki pakati pezvikwambo kana pakati pechironda nepedhi. Kubva pamaonero ekugadzira, nzvimbo yakakura iri nani, iine 0.127mm iri chiyero chakajairwa. Pad Hole Diameter uye Pad Width Kana iyo padhi ikashandisa kuchera, iyo shoma gomba dhayamita haifanire kunge isingasviki 0.2mm; yekuchera laser, iyo shoma gomba dhayamita ndeye 0.1mm. Iyo gomba dhayamita kushivirira inosiyana zvishoma zvichienderana nechinhu, kazhinji inodzorwa mukati me 0.05mm, uye iyo shoma pad hupamhi haifanirwe kuve isingasviki 0.2mm. Pad-to-Pad Spacing Iyo yediki spacing pakati pemapedhi haifanire
Maitiro ekudzivirira mapini mumaskweya slots uye masikweya maburi emapini emudziyo
Nhanganyaya Mazuva ano, mabhodhi edunhu anoshandisa zvikamu zveSMD zvakawanda kupfuura plug-in components, asi kune izvo zvigadzirwa zvemagetsi zvine zvakakwirira zvinopisa kupisa zvinodiwa, kushanda kweplug-in components kuchave kuri nani pane iyo yeSMD components. Mukuwedzera, iyo yekunze interface yebhobhobhobho uye zvigadzirwa zvechibatanidza zvose zvinoshandisa plug-in pini, zvakadai se USB, HDMI, network ports, nezvimwe zvigadziri.Nezve mapini emakona emapini e-plug-in, pane manufacturability nyaya muDFM kuongorora. Mapini emudziyo anowanzo kutenderera kana kuti ovhari, asi mapini emamwe mapini emusoro mapini ane sikweya. Sikweya pini haina kunyatso kurongeka paunenge uchigadzira mapakeji, kunyangwe imwe EDA software inogona kugadzira mapakeji ane sikweya pini. Nekudaro, makomba emapini haagone kuitwa padivi rekugadzira nekuti yekuchera inotenderera. Square Pin Drawing Method 1. Allegro inodhirowa mapini masikweya Kutanga, vhura iyo Padstack Editor package yekudhirowa chishandiso. Panguva yekudhirowa kwepakeji,
Ese matambudziko eBGA welding aunoda kuziva ari pano
BGA Overview BGA imhando yechip package, ipfupi yeBall Grid Array muChirungu. Mapini epasuru ibhora regidhi arrays pazasi pepakeji, uye mapini ane denderedzwa uye akarongwa mune grid-yakafanana pateni, saka zita rekuti BGA.Many motherboard control machipisi anoshandisa rudzi urwu rwekurongedza tekinoroji, uye zvinhu zvacho zvakanyanya ceramic. Memory yakarongedzwa neBGA tekinoroji inogona kuwedzera ndangariro huwandu kaviri kana katatu pasina kushandura vhoriyamu. Kuenzaniswa neTSOP, BGA ine vhoriyamu diki, kupisa kuri nani, uye kushanda kwemagetsi. BGA Package Pad Routing Design 1. Routing pakati BGA Mapedhi Panguva magadzirirwo, ari BGA pad spacing iri isingasviki 10mil, uye routing hakubvumidzwi pakati BGAs maviri, nokuti mutsetse upamhi spacing of routing rinopfuura kugadzirwa muitiro kugona. Kana routing ichizoitwa, iyo BGA pad inogona kuderedzwa chete. Paunenge uchigadzira chigadzirwa
Makona anofanirwa kutaurwa nezveDIP zvishandiso
DIP Overview DIP iplug-in. Iyo chip inoshandisa nzira yekurongedza iyi ine mitsara miviri yepini, iyo inogona kutengeswa zvakananga pane chip socket ine DIP chimiro kana munzvimbo ye soldering ine nhamba yakafanana yemaburi ekutengesa. Hunhu hwayo ndehwekuti inogona kuona zviri nyore iyo perforation soldering yePCB board uye inoenderana zvakanaka nebhodhi reamai. Nekudaro, nekuda kwenzvimbo yayo yakakura yekurongedza uye ukobvu, uye mapini ari nyore kukuvadzwa panguva yeplug-in uye unplug process, kuvimbika kwakashata. DIP ndiyo inonyanya kufarirwa plug-in package, uye huwandu hwemashandisirwo ayo hunosanganisira standard logic IC, memory LSI, microcomputer circuits, etc. Diki outline package (SOP). Yakatorwa SOJ (J-mhando yepini diki reratidziro pasuru), TSOP (yakatetepa pepa rekutaura pasuru), VSOP (diki diki pepa rekutaura), SSOP (kuderera SOP), TSSOP (yakaonda shrink SOP) uye SOT (diki rondedzero transistor), SOIC (diki rondedzero yakabatanidzwa yedunhu), nezvimwe.
Zviri nyore kushandisa! Hapana chikonzero chekunetseka nezve PCB graphic alignment
Shamwari dzakawanda dzichasangana nemamiriro eiyo graphic misalignment kana uchishandisa wonderfulpcb DFM Services software kupinza Gerber mafaira. Chikonzero chekutadza kurongeka kwemagiraidhi ndechekuti kune zvinhu zvisingazivikanwe kunze kwedhizaini faira, uye saizi ye canvas yega yega yega yakasiyana, izvo zvinoita kuti marongero achinje nehukuru hwe canvas apo EDA software inoshandura faira yeGerber, zvichikonzera graphic offset. Saka sei kuenzanisa magirafu eGerber faira? Inotevera inoshamisapcb DFM Services inotora iwe kubhururuka! Bhodhi layer yegraphic alignment 1. Kurongeka kwerayiti imwe Danho rekutanga kuvhara mamwe matinji uye kuratidza chete danga rinofambiswa uye referensi yekumisikidza layer. Dzvanya kaviri layer kuti uvhare mamwe ma layer, ratidza one layer, wobva wadzvanya kuvhura imwe layer. Nhanho yechipiri ndeyekuvhura nzvimbo yekubata, ndiko kuti, kubata pakati peiyo graphic
PCB Dhizaini Pitfall Kudzivirira Gwaro
Kuve nechokwadi chekuvimbika kwezvigadzirwa zvemagetsi zvigadzirwa kwakakosha. Kugadzirwa kwekugadzira kunosanganisira zvinhu zvitatu zvakakosha: PCB dhizaini yekugadzira, PCBA dhizaini yegungano, uye inodhura-inoshanda dhizaini yekugadzira. Pakati peizvi, PCB manufacturability dhizaini inotarisa pane yekugadzira maonero ePCB mabhodhi, tichifunga nezvemaitiro maparamendi ekuvandudza goho rekugadzira uye kuderedza kutaurirana mari. Magadzirirwo ekufunga anosanganisira hupamhi hwemutsara uye nzvimbo, gomba-ku-mutsara uye gomba-ku-gomba madaro, izvo zvese zvinofanirwa kugadziriswa panguva yekugadzira chikamu. Kukosha kwePCB Dhizaini Mukugadzirwa kwechigadzirwa chemagetsi, iyo PCB inoshanda senge svikiro remukati weiyo dhizaini yemukati, ichiziva zvese zvinangwa zvekugadzira uye mabasa echigadzirwa. Naizvozvo, PCB dhizaini chinhu chakakosha chinongedzo mune chero chirongwa. Kugadzira dhizaini yePCB inoda kutariswa kwemainjiniya kuti ive nechokwadi chekuti dhizaini inoenderana nehunyanzvi hwekugadzira. Yakajairwa Dhizaini Pitfalls Mushure mekupedza PCB dhizaini, iyo yemuviri wedunhu bhodhi inogadzirwa. Kazhinji, iyo PCB yakagadzirwa haigone kugadzirwa nekuda kwekusawirirana pakati pemaitiro ekugadzira
Ndeapi mafaira ePCB anogona kushandiswa kuDFM Analysis?
Nei PCB dhizaini ichida kuongororwa kwegungano? Iko kufunga PCB gungano mukutanga dhizaini dhizaini kuti uwane yakanakisa chigadzirwa.Pane dambudziko rinowanzoitika ringave risingawanzi pakati pePCB kugadzira masters, asi ichiri yakajairika kune vatsva, ndiko kuti, yekutanga dhizaini dhizaini dhizaini haifungi zvakakwana gungano. Pane zvinopesana, kunyanya kutariswa kunobhadharwa kuPCB pachayo, uye hapana kunzwisisa kwakawanda kwezvinetso mukugadzirwa kwekugadzira, izvo zvinotungamirira kukukundikana kwekugadzirwa kwechigadzirwa. Izvi zvinotevera sumo kune mafaira e data anoda kugadzirirwa pamberi pekuongorora kwegungano! 1. Mafaira ePCB/ODB 1) PCB faira: Tanga wavhura software yeDFM, tinya “Faira” kuti uwane faira richashandiswa, tinya Vhura uye mirira kuti software iparadze otomatiki isati yaishandisa. Kana kuvhura software uye dhonza faira muhwindo remifananidzo yesoftware