Heavy Copper PCB vs. Thick Copper Plating: Kunzwisisa Misiyano Yakakosha

ziviso

Ukobvu hwemhangura hunotaridza zvakananga kugona kwePCB kubata mitoro yakakwira ikozvino, kubvisa kupisa zvinobudirira, uye kuchengetedza kutendeseka kwemuchina pasi pemamiriro ekuda. Sezvo magetsi emagetsi achishanduka akananga kune yakakwira density uye kugona, kusarudzwa kwemhangura kumisikidzwa kunowedzera kukosha.

Mazwi maviri anowanzoonekwa muzvirevo zvePCB zvine simba guru: PCB yemhangura ine mhangura yakawanda uye plating yemhangura yakakora. Kunyange zvazvo ese ari maviri achisanganisira kuwedzera kwehukobvu hwemhangura, anomiririra nzira dzakasiyana dzekugadzira nekugadzira mabhodhi edunhu. Kunzwisisa musiyano uyu kunogonesa mainjiniya kusarudza mhinduro yakakodzera yezvinodiwa zvekupisa nemagetsi pasina mutengo usingakoshi kana kuoma.

Heavy Copper PCB uye Thick Copper Plating: Tsanangudzo uye Misiyano Yakakosha

Heavy Copper PCB: Yakazara-Layer Gobvu Copper Kuvaka

PCB inorema yemhangura inoratidzira mhangura ukobvu hwe3 oz/ft² (inoda kusvika 105 µm) kana kupfuura pamatunhu ese masekete. Iyi dhizaini inoshanda zvakafanana kune base mhangura uye yakapfava-kuburikidza nemakomba, ichigadzira inoenderera yakakora yemhangura chimiro mubhodhi rese. Huremu hwemhangura huremu huremu hweimwe sikweya tsoka yefoiri yemhangura pane imwe ukobvu, uko maPCB akajairwa anowanzo shandisa 1 oz/ft² (35 µm) mhangura.

Kugadzira inorema yemhangura PCB inosanganisira hunyanzvi maitiro ekubata yakawedzera mhangura misa panguva yekucheka, lamination, uye kuchera. Mhedzisiro iyi dhizaini yebhodhi inokwanisa kutakura yakakwira zvakanyanya kuenderera ikozvino ichipa yakawedzerwa simba remakina uye yakagadziridzwa kupisa kupararira munzvimbo huru.

Yakakora Copper Plating: Kusarudza Copper Enhancement

Gobvu copper plating inomiririra nzira yemuno apo yekuwedzera mhangura inopfekwa pane chaiyo maficha akadai semagetsi traces, thermal vias, kana mapedhi epamusoro-azvino. Iyo base PCB inogona kushandisa yakajairwa 1-2 oz mhangura, ine nzvimbo dzakasarudzwa dzakavakwa kuburikidza nekuwedzera plating kuti uwane 3-5 oz kana yakakwirira munzvimbo dzakakosha.

Iyi tekinoroji inobvumira mainjiniya kusimbisa nzira dzekuunza magetsi uye mapoinzi ekutonga kwemafuta pasina mutengo uye kuomarara kwekuvaka kwakazara kwemhangura PCB. Ukobvu hweplating hunogona kunyatso kudzorwa zvichibva pane zvazvino kutakura zvinodiwa uye zvinodikanwa zvekubvisa kupisa munzvimbo yega yega.

Kuenzanisa Overview

Heavy Copper PCB Manufacturing Process

Kugadzira Matambudziko uye Mhinduro

Kugadzirwa kwePCB yemhangura inorema kunotanga nefoil yemhangura yakakora yakanamirwa kuzvinhu zvepakati. Maitiro ekutema anoda ma parameter akagadziriswa kuti averenge huwandu hwemhangura hwakakwira uye kona yemativi inoonekwa pakubvisa mhangura yakakora. Zvishandiso zvemazuva ose zvinobvisa mhangura zvishoma nezvishoma, uye kuchekwa kwepasi kunowedzera kuoneka, zvichikanganisa kudzora kwe trace geometry.

Layer-to-layer kunyoreswa kunopa mamwe matambudziko mune inorema mhangura PCB kugadzirwa. Mhangura yakakora inoitisa kupisa zvakanyanya, ichigadzira tembiricha gradients panguva yelamination iyo inogona kukonzera layer misalignment kana isina kunyatsogadziriswa. Prepreg resin kuyerera kunofanirwa kudzorwa nekuchenjerera kuti ive nechokwadi chekuzadza kwakazara kutenderedza gobvu mhangura maficha pasina kugadzira voids.

Drilling uye Plating Kufunga

Kuboora kuburikidza nePCB yemhangura inorema kunoda zvidimbu zvakasiyana-siyana uye kuderedzwa kwehuwandu hwekudyisa kuitira kudzivirira kuumbwa kweburr uye kuchengetedza hunhu hwemaburi. Maburi ekubatanidza maburi anoda nguva yakareba yekuisa ma electroplating kuti awane ukobvu hwakakwana hwemhangura pamadziro emaburi, zvichiita kuti pave nekubatana kwemagetsi kwakavimbika pakati pezvikamu zviri muPCB yemhangura inorema.

Makobvu Copper Plating Process Characteristics

Kusarudza Plating Methodology

Kuiswa kwemhangura kwakakora kunotanga neyakajairwa PCB base yakagadzirwa neyakajairwa 1-2 oz mhangura. Mushure mekutanga kutenderera maitiro, nzvimbo dzakasarudzwa dzinowana imwe electroplating yekuvaka mhangura ukobvu. Maitiro ekuputira maitiro anobvumira kunyatso kudzora kuti ndeapi maficha anogashira kuvandudzwa.

Iyo electroplating process inoisa mhangura munzvimbo dzakavhurika pamitengo inodzorwa, kazhinji 20-25 µm paawa. Multiple plating cycles inogona kudiwa kuti uwane chinangwa chakakora. Kugovera kwazvino kunofanirwa kutariswa nemazvo kuti ive nechokwadi chekuiswa kwakafanana pane ese maficha, kunyanya mune yakakwirira-aspect-ratio vias kana nhete.

Surface Topology Kufunga

Kupedzisa kwepamusoro kunotevera kusarudzwa kwakasarudzika, nebhodhi rekupedzisira rinoratidza topology inooneka uko matunhu akapfava anogara pamusoro peyakajairwa nzvimbo dzemhangura. Uku kusiyanisa kwehurefu kunoda kutariswa mukuiswa kwechikamu uye solder paste stencil dhizaini kuti ive nechokwadi chegungano rakavimbika.

Heavy Copper PCB Kuita uye Mashandisirwo

High-Current Power Systems

Simba rekushandura masisitimu anoshanda pamusoro pe50A inoenderera yazvino kubatsirwa kubva inorema mhangura PCB kuvaka. Iyo yunifomu yakakora yemhangura kugovera inogonesa inoshanda ikozvino kupararira munzira dzakawanda dzakafanana, kuderedza hotspots nekuvandudza kwese kwese kupisa kwekuita. Maindasitiri inverters, welding emagetsi emagetsi, uye ma traction inverters emotokari dzemagetsi anowanzo tsanangura inorema mhangura PCB kuvaka.

High-Kuvimbika Applications

Iyo mechanic kusimba kweinorema yemhangura PCB inoita kuti ive yakakodzera kune yakakwirira-vibration nharaunda:

• Kuwedzerwa simba rembiya -Kuwedzera kwemhangura vhoriyamu inopa nani anchor simba kune akapfava-kuburikidza nemakomba, kuderedza dhiramu kupaza njodzi.
• Thermal cycling resistance - Inofananidzwa nemafuta ekuwedzera maitiro pane ese maseru anoderedza kushushikana panzvimbo dzekubatanidza.
• Vibration kushivirira -Kukura kwemhangura yakawanda inovandudza kutendeseka kwechimiro pasi pemakina kushushikana.

Ma solar inverters nema wind turbine converters anoshandisa heavy copper PCB kubata ma high continuous currents ari muma renewable energy systems. Kugona kwakawedzerwa kwekupisa kunobvumira magadzirirwo akatetepa nekuvandudza kugona kwebhodhi kuendesa kupisa kunzvimbo dzakasungirirwa kana ma heat sinks akabatanidzwa.

Makobvu Copper Plating Shandisa Nyaya

Mixed-Signal Power Electronics

Simba remagetsi reSwitch-mode rinobatsira kubva pakuputira mhangura yakakora pamatrace ane simba guru uye ma landing pads emagetsi ukuwo richichengetedza huremu hwemhangura hwakajairwa hwekutonga. Kuvandudzwa uku kunosarudza kunoita kuti mashandiro uye mutengo zvibudirire. Nzira iyi inoshanda zvakanyanya panzira dziri pasi pe30A uko kugadzirwa kwePCB yemhangura yakazara kwaizove kwakanyanya.

RF uye High-Frequency Applications

RF magetsi amplifiers uye yakakwirira-frequency switching maseketi anoshandisa gobvu copper plating kusimbisa ndege dzepasi uye zvinopisa vias pasina zvirango zveganda zvinouya nemhangura yakakora yakafanana pamatanho ese. Iko kugona kuchengetedza yakajairwa kukora kwemhangura pane zvikwangwani zvinochengetedza impedance kutonga uku uchiwedzera kupisa manejimendi.

Battery Management Maitiro

Mabhatiri manejimendi masisitimu anoshandisa gobvu copper plating pane ikozvino sensing trace uye kudzivirira edunhu nzira. Iyi nzira inopa inodiwa ikozvino kugona kwekuchengetedza-yakakosha mabasa uchichengeta yakazara PCB ukobvu uye mutengo unogoneka kune yakakwira-vhoriyamu yevatengi zvemagetsi application.

Mitemo Yekusarudza: Heavy Copper PCB vs. Thick Copper Plating

Kana Heavy Copper PCB Inodiwa

Inorema mhangura PCB inove yakakosha kana inoenderera iripo ichipfuura 40-50A pakutsvaga kana kana akawanda epamusoro-azvino maseketi akazara mubhodhi rimwe chete. Iyo yunifomu yekugovera mhangura inodzivirira kutsvikinyidzana kwazvino uye zvine chekuita nekupisa nyaya idzo dzinosarudza plating haigone kugadzirisa zvizere.

Zvishandiso zvinoda kuvimbika zvakanyanya pasi pekupisa bhasikoro zvinofanirwa kutsanangura inorema mhangura PCB. Iwo anofananidzwa nemafuta ekuwedzera hunhu kune ese maseru anoderedza kushushikana pane akapfava-kuburikidza negomba nzvimbo, chinhu chakakosha kune masisitimu anosangana nehupamhi tembiricha inoshanduka kana yakakwirira kutenderera kuverenga panguva yehupenyu hwavo hwekushanda.

Kana Yakakora Copper Plating Inokwana

Yakakora yemhangura plating inopa mhinduro yakakwana kana nzira dzazvino dzakakwirira dzakaganhurirwa kumatunhu chaiwo ebhodhi. Zvigadzirwa zvine akasanganiswa analog uye zvikamu zvedhijitari zvinobatsira kubva kune iyi nzira, sezvo yakajairwa huremu hwemhangura inochengetedza chiratidzo chekuvimbika pamaseketi ekudzora nepo matunhu akapfava achibata kugovera kwemagetsi.

Madhizaini-asinganzwisisike ane mwero azvino anodiwa, kazhinji 10-30A, anowana mashandiro anodiwa kuburikidza nemhangura yakakora isina maprimiyamu ePCB anorema. Magetsi emagetsi evatengi, madhiraivha e LED, uye mota dzemagetsi ebetsero dzinowanzo shandisa zano iri.

Dhizaini Chisarudzo Chimiro

Ikozvino density ongororo inofanirwa kutyaira sarudzo pakati peinorema yemhangura PCB uye gobvu remhangura plating. Verenga iyo inodiwa yemhangura muchinjiko-chikamu nharaunda zvichienderana nekushanda ikozvino uye inogamuchirwa tembiricha kukwira. Kana ongororo iyi ichiratidza kukora kwemhangura zvinodikanwa zvinokanganisa kupfuura 40% yenzvimbo yebhodhi, inorema yemhangura PCB ingangove inopa kukosha kuri nani kunyangwe yakakwira mutengo wekutanga.

Thermal simulation inoratidza kana kukwidziridzwa kwemhangura kwakagadzika kunogadzirisa kugadzirwa kwekupisa. Gobvu yemhangura plating inoshanda zvakanaka kana kupisa masosi kwakadzika uye kupisa vias anogona zvinobudirira kuendesa kupisa kune ekunze sinki. Yakaparadzirwa kupisa kupisa munzvimbo dzakakura inofarira inorema mhangura PCB nekuda kwayo kwepamusoro kupisa kuparadzira kugona.

mhedziso

Heavy copper PCB uye gobvu copper plating inoshanda akasiyana mabasa emagetsi emagetsi dhizaini. Heavy copper PCB inopa yakazara-yazvino kugona uye kudziya kwekutonga kuburikidza neyunifomu gobvu mhangura pamatanho ese, akakodzera kuda kushandurwa kwesimba uye kuvimbika-kwepamusoro maapplication. Yakakora yemhangura plating inopa ehupfumi yakasarudzika yekusimudzira nzira dzakakosha dzazvino pane mamwe mabhodhi akajairwa, akanakira akasanganiswa-chiratidzo madhizaini uye zvine mwero magetsi mashandisiro.

Kusarudzwa kunoenderana neazvino maitiro ekugovera, zvinodikanwa zvekupisa, zvinangwa zvekuvimbika, uye zvipingamupinyi zvemutengo. Mainjiniya anofanirwa kuongorora izvi zvinhu panguva yechirongwa chekugadzira dhizaini kutsanangura iyo yakakodzera mhangura kumisikidzwa.

PaHighleap Electronics, tinopa mhinduro dzakakwana dzepamusoro-simba PCB application:

• Inorema mhangura PCB yakagadzirwa - Yakazara-yakazara mhangura ukobvu kubva pa3 oz kusvika 20 oz ine chaiyo etching control uye yekupisa manejimendi.
• Sarudza gobvu copper plating -Yanangwa yemhangura yekusimudzira munzira dzakakosha dzemagetsi uye nzvimbo dzinopisa dzekuita zvinodhura-zvinobudirira.
• Injiniya rutsigiro -Mhangura ukobvu hwekutsanangudza rubatsiro uye kuongororwa kwemafuta kuti ukwidzise dhizaini yako yekuita uye kugadzira.

Bata timu yedu yeinjiniya kuti mukurukure nezvepurojekiti yenyu inotevera yemagetsi emagetsi uye muone magadzirirwo akakodzera emhangura anoenderana nezvinodiwa neapplication yenyu.