Kunzwisisa Izvo Zvinokosha zve6-Layer PCB Stackup Dhizaini

Sezvo midziyo yemagetsi ichiramba ichiwedzera kuwanda, kudiwa kunokura kune akadhindwa edunhu mabhodhi (PCBs) anokwanisa kutsigira anowedzera dense uye akakwira-kumhanya wedunhu mukati mezvipingamupinyi zvakasimba. Kunyange mabhodhi ekutanga ega uye maviri-mativi mabhodhi achiramba achishanda kune zviri nyore maapplication, akawanda maPCB abuda seye de facto chiyero chemazuva ano ekucheka-kumucheto magajeti uye maindasitiri emidziyo. Pakati peizvi, iyo 6 layer PCB kunyanya yakakwira mukurumbira nekuda kwechiyero chayo chekushanda, kushanduka uye kugona.

Kusarudza Highleap Electronic yePCB yako kugadzirwa kunopa akawanda mabhenefiti, anosanganisira epamberi ekugadzira hunyanzvi, zvemhando yepamusoro zvinhu, uye dzakasimba dzekuyedza zviyero. Highleap Electronic inova nechokwadi chekuti PCB yega yega inosangana neakaomesesa emhando yekudzora nhanho, ichipa akasimba uye akavimbika mabhodhi anotsigira akaomarara uye nekumhanya-mhanya maapplication. Pamusoro pezvo, hunyanzvi hwedu mukugadzira huwandu hwakasiyana hwemhando dzePCB uye zvigadziriso zvinovaita mudiwa anochinjika uye akavimbika kune chero chirongwa chemagetsi.

Ichi chinyorwa chinopa ongororo yakadzama ye6 layer PCB tekinoroji. Isu tichaongorora akakosha hunhu uye zvakanakira iyi inosiyana-siyana yekuvaka bhodhi, yakajairwa layer stacking masisitimu, uye kufunga kwekugadzira. Real-world application inogoneswa ne6 layer madhizaini mumaindasitiri makuru anoongororwawo. Chinangwa ndechekupa nzwisiso yakazara yekuti sei uye sei iyo 6 layer PCB yave kuwanikwa kwese, ichishanda seyakakosha yemagetsi chivharo chekuvakisa ichigonesa zvese kubva kumafoni kuenda kuspacecraft.

Chii chinonzi 6 Layer PCB?

Papakati payo, PCB inoshanda senge isiri-conductive chikuva pairi zvinhu zvemagetsi senge akasanganiswa maseketi, resistors uye capacitors akaiswa uye akabatana achishandisa conductive mhangura traces laminated pakati insulating material layer. Mapuranga ega uye maviri-mativi emapuranga anogona chete kuisa mhangura panzvimbo yekunze, zvichidzikamisa zvakanyanya nzira dzekufambisa. Multilayer PCBs inogadzirisa izvi nekurongedza akawanda conductive layer akapatsanurwa nedielectric firimu, ine zviteshi zvinomhanya mukati memativi ese matatu emuviri.

Bhodhi rine zvidimbu zvitanhatu rinomiririra kuomarara - huwandu hushoma hwezvidimbu zvemukati zvinodiwa kuti zviratidzo zviparadzaniswe zvizere ukuwo mitengo ichiramba ichikwikwidzana. Rine zvidimbu zvitanhatu zvinofambisa mhepo zvekufambisa: zvidimbu zviviri zvekunze zvemhangura zvakaputirwa uye zvidimbu zvina zvemukati (zvinonziwo "zvikamu zvemukati") zvakasungirirwa pakati pezvinhu zve dielectric core, zvinowanzo kuve FR-4 epoxy resin laminate.

Iwo ekunze akaturikidzana ndiwo divi re “pamusoro” kana “chikamu” panokwirwa mativi, uye “pasi” kana “solder” divi. Maturu emukati ane akavigwa akavigwa asingaoneki kubva kunze kwemaonero asi akakosha pakubatanidza mabhodhi akarongedzerwa neakawanda akasimba epitch zvikamu uye yakakwirira-kumhanya yedhijitari logic. Kuenzaniswa ne4 layer board, iwo maviri ekuwedzera routing ndege dze6 layer PCB inosimudzira kugona kwekuparadzanisa analogi / dijitari, simba / pasi uye chiratidzo chekuvimbika.

Hunhu Hunokosha hwe6 Layer PCBs

Kuronga Nzira Yakabatana: Mapurani mana emukati ekufambisa nzira anobvumira vagadziri kuti vakwanise kubatana zvakanyanya munzvimbo imwe chete zvichienzaniswa nemabhodhi ane zvidimbu zviviri kusvika zvina. Izvi zvinowedzera huwandu hwezvikamu.

Kuparadzaniswa kweSignali: Maseketi edhijitari neeanalog anogona kupatsanurwa zvizere pamatanho akatsaurirwa, zvichideredza kupindirana kwekutaura uye ruzha izvo zvinokanganisa kusimba kwesignali.

Kugoverwa Kwemagetsi: Magetsi akagadzirirwa uye mapuraneti epasi anorerutsa kupa magetsi akachena, asina ruzha kumachipisi ukuwo achipa nzvimbo yakafanana yekutarisa mafungu epasi.

Kutarisira Kupisa: Kupisa kwearuminiyamu, ma thermal vias uye ma insulation planes zvinobatsira kubvisa kupisa kubva mumidziyo ine simba guru senge FPGAs kana CPUs.

Kuvaka Kwakasimba: Pahukobvu hwe1.5-2.0mm, mapuranga ane nhurikidzwa nhanhatu anogona kubatanidza zvinhu zvekuisa zvemakanika uku achiramba akasimba zvakakwana kuti zviunganidzwe otomatiki.

Kushanda Nemutengo: Zvikamu zvitanhatu zvinopa kuchinjika kwakanyanya kwedhizaini uye mashandiro anowanikwa mitengo isati yakwira zvakanyanya nezvikamu zvekuwedzera. Zvikamu zvina zvichiriwo zvakajairika.

Kuenderana: Maitiro ekugadzira akasimbiswa zvakanaka, achishandisa maturusi akajairwa uye zvinhu. Mabhodhi akaomarara anoenderana nemidziyo yakawanda inosungirirwa pamusoro uye inoburitswa nepakati pemaburi.

Mhando dzeKugadzirisa mune 6-Layer PCB Stackup

Iyo 6-layer PCB stackup inopa akati wandei ekugadzirisa sarudzo, imwe neimwe yakarongedzwa kune chaiyo application zvinodiwa. Kusarudzwa kwekugadzirisa kunoenderana nezvinhu zvakadai sekutonga kwechiratidzo, high-speed circuitry, uye kudiwa kwekudzivirira.

1. First Configuration:
   • Top chiratidzo
   • Chiratidzo chemukati
   • Ndege yepasi
   • Ndege yemagetsi
   • Chiratidzo chemukati
   • Chiratidzo chepasi

   Iyi gadziriso, nepo yaimbozivikanwa, haidzivirire zvakaringana masignal layer. Kudzikamisa kukanganiswa kwechiratidzo, vagadziri vePCB vakadzora huwandu hwemasaini maseru uye vabva kure nekugadziriswa uku.

2. Chechipiri Configuration:
   • Top chiratidzo
   • Ndege yepasi
   • Chiratidzo chemukati
   • Chiratidzo chemukati
   • Ndege yemagetsi
   • Chiratidzo chepasi

   Ichi chigadziriso chinoshandiswa zvakanyanya uye chinopa chengetedzo yakanaka kune yemukati masaini maseru. Iyo yakakodzera kune yakakwirira-chiratidzo PCBs. Kuwedzera chinhambwe pakati pemukati masaini masaraki uchishandisa gobvu dielectric zvinhu zvinogona kuwedzera kunatsiridza stackup. Nekudaro, kupatsanura pasi uye ndege dzemagetsi zvinogona kuderedza kugona kwekuronga.

3. Chechitatu Configuration:
   • Top chiratidzo
   • Ndege yepasi
   • Chiratidzo chemukati
   • Ndege yemagetsi
   • Ndege yepasi
   • Chiratidzo chepasi

   Mukugadzirisa uku, chiratidzo chega chega chiri padhuze nendege yepasi, kuve nechokwadi chekudzoka kuri nani. Zvisinei, kuswedera pedyo kwepasi uye ndege dzemagetsi zvinogona kutungamirira kune kuronga capacitance.

Kuenzanisa kwePCB Stack-Ups: 4-Layer, 6-Layer, uye 8-Layer

Paunenge uchisarudza pakati pemhando dzakasiyana dzePCB, zvakakosha kuti utarise zvakasiyana-siyana senge layer count, sign routing, chiratidzo chekuvimbika, kugovera simba, ruzha uye EMI kudzvinyirira, dhizaini yakaoma, mutengo, uye kukodzera kwekushandisa. Tafura inotevera inofananidza zvinhu izvi zve4-layer, 6-layer, uye 8-layer PCBs, ichiratidza zvakanakira kwavo uye zvisingakwanisi:

6 Layer Board Fabrication process

Kugadzira yakasimba, yakakwira-goho 6 layer mabhodhi kunoda maitiro ekugadzira chaiwo. Iyo general process inosanganisira:

1. Dhizaini Yekupinda: Mainjiniya anoshandisa CAD software kuisa schematic, bhiri rezvinhu uye mapatani emhangura pamatanho.
2. Kufananidzira: Mafirimu ekushandisa tenzi anogadzirwa nemifananidzo yekufungidzira schematic pane inobatika yakavharidzirwa coatedinnerlayer mhangura uchishandisa UV mwenje.
3. Etching: Mhangura yakafumurwa inodzikwa nemakemikari kure, ichisiya masekete munzvimbo dzine mifananidzo kumashure.
4. Kudhirowa & Plating: Microvias ari laser / mechaniki inodhiriwa uye electroplated kubatanidza maseru.
5. Lamination: Innerlayers uye prepreg/resin bonded laminate sheets akatsikirirwa pasi kupisa kubatanidza stack.
6. Kugadzirisa: Mhangura yekunze inofananidzirwa / yakamisikidzwa uye zvikamu zvinoiswa pane yakapera multilayer substrate.
7. Kuedza: Kushanda, kupisa uye kuvimbika kuyedzwa kunovimbisa dhizaini uye yemhando yemhando zviyero zvinosangana.

Matanho ekudzora emhando mukati mese, kubva pazvinhu kusvika pakuongorora kwekupedzisira, vimbiso ye6 layer board inopa kushanda, kuita uye hupenyu hunodiwa nemaapplication anovimba akadzamirirwa yakakwirira-kumhanya dhijitari uye yakasanganiswa-chiratidzo dhizaini.

Makuru Mashandisirwo e6 Layer PCBs

Ubiquitous mumagetsi emazuva ano, 6 layer mabhodhi ane simba asingaverengeki masisitimu mumaindasitiri nekugonesa kugara-kuderera, kwepamusoro-kuita edunhu tsoka. Heano mamwe makuru ekushandisa nzvimbo:

Midziyo Yemafoni – Mafoni, mapiritsi, nezvimwe zvinopfekwa zvese zvinoshandisa nzira yekubatanidza maPCB ane layer 6 uye RF isolation kuti zvibatanidze GHz WiFi/Bluetooth nemakamera ane megapixel yakawanda uye mamwe maIC ane masaini akasiyana-siyana.

Midziyo yeMaindasitiri – Zvinodzora otomatiki mufekitori, madhiraivha emota, mifananidzo yezvekurapa uye manejimendi yezvivakwa zvinoshandisa kusimba kwemabhodhi, kugoverwa kwemagetsi uye manejimendi yekupisa.

MaElektroniki eMotokari - Sisitimu dzekubatsira mutyairi dzepamusoro, infotainment uye Powertrain Control Module dzinoshandisa zvikamu zvitanhatu zvekusimbisa masaini muDC-DC converters, sensor arrays uye mayuniti ekugadzirisa panguva chaiyo.

Ndege/Ndege - Mabhodhi ekufambisa ndege, ekutaurirana uye ekushandisa zvinhu zvinotakura mutoro anoramba akasimba mumamiriro ekupisa uye mamiriro eEMI mundege nemasetiraiti.

Komputa - Mabhodhi eamai, makadhi emifananidzo, makombiyuta akaiswa mukati uye maseva anovandudza kutonhora uye huwandu hwemasekitori kuti zvikwanise kuverenga macore akawanda uye kugadzirisa maGPU.

Mauto/Dziviriro - Masisitimu akakosha anosanganisira maredhiyo ehondo, masisitimu ekutungamira uye midziyo yekuvhara inoda kuvimbika kwepamusoro kana paine kukwegura nekukurumidza uye kushushikana kwezvakatipoteredza.

Hazvinei neindasitiri, 6 layer PCB tekinoroji inoshanda sehwaro hwaro hunounza kuhupenyu hwakaomesesa dhizaini kubatanidza gumi nemazana kumazana ezvakanyatso kurongedzerwa epamusoro-kuita zvinhu. Kushandiswa kwayo kwakapararira kunovimbisa kuenderera mberi miniaturization uye kuwedzera kushanda kune ese emazuva ano magetsi.

Kuti uwane ongororo yakakwana yekugadzira, shandisa chinyorwa chino pamwe chete neongororo yeDFM uye sevhisi yekubatanidza PCB paunenge uchitarisa zvinodiwa pakuunganidza, kugadzira, kana bvunzo.

mhedziso

Iyo multilayer PCB yakashandura zvemagetsi nekugonesa masisitimu akabatanidzwa anopfuura kugona kweasati atanga discrete wiring kuvaka. Pakati peizvi, iyo 6 layer board yakabuda seyakanaka chiyero chekugadzirisa density, kuita uye mutengo zvinodikanwa zvemazuva ano akabatanidzwa zvakanyanya. Magadzirirwo akanyatsogadziriswa ekugadzira uye akasiyana stackup masisitimu anopa simba mainjiniya kuti akwidze zvizere 6 akaturikidzana 'nzira inoshanduka.

Sezvitsva zvekushandisa munzvimbo dzakaita sehungwaru hwekugadzira, chaiyo / yakawedzerwa chokwadi, 5G yekubatanidza uye mota dzinozvimiririra dzinoramba dzichisundidzira dhizaini miganhu, kudiwa kunokura kune mamwe mataira kuti akwane masekete akakura patsoka dziri kuderera. Zvakadaro, 6 akaturikidzana acharamba ari bhiza rekushanda kune akadzamirirwa madhizaini, achisimbisa zvese kubva kumidziyo yevatengi kuenda kumishoni-yakakosha maindasitiri masisitimu nekuda kweakagadziridzwa chiyero chekushanda kwepamberi uye kugona. Tarisa 6 layer tekinoroji kuti uenderere mberi kuwanda mumaindasitiri semufambisi akakosha wekuenderera mberi miniaturization uye hunyanzvi.