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Kuongorora PCB Surface Kurapa: Kukosha kwe ENIG uye DIG

PCB Surface Kurapa: ENIG PCB

Nekuchinja kuri kuita magadzirirwo emagetsi, kuvimbika uye mashandiro emaPCB zvinoenderana zvakanyanya nekupedzwa kwawo pamusoro . Pakati pemhando dzakasiyana dzePCB Surface Treatment dziripo, Immersion Gold inoonekwa seyakasimba uye mabhenefiti ayo, kunyanya mukushandiswa kwakasimba. Ongororo iyi yakazara ichaongorora maitiro eElectroless Nickel Immersion Gold (ENIG) , ichiongorora kuti sei iri kuramba ichiva sarudzo inodiwa nevagadziri vePCB pasi rose.

Kunzwisisa Electroless Nickel Immersion Goridhe (ENIG)

Maitiro eENIG akaona kufambira mberi kukuru kwakafanana nekukura kweindasitiri yezvemagetsi. Inozivikanwa nekugadzira kwayo simbi ine mativi maviri—nickel uye dhayamita yakatetepa yegoridhe—ENIG inopa imwe nzira isina mutobvu uye isingakuvadzi nharaunda pane yekupedzisa kwechinyakare. Maitiro aya anosanganisira kuisa 2 kusvika ku8 microns yegoridhe pamusoro pedhayamita ye120 kusvika 240 micron nickel, iyo inoshanda sechipingamupinyi pakupararira kwemhangura uye inopa nzvimbo yakasimba yekusonesa.

Unique Properties ye ENIG:

Yakanakisa Oxidation Resistance: Iyo yegoridhe layer mu ENIG inochengetedza nickel pasi kubva kune oxidizing, kuve nechokwadi kuti PCB inochengetedzwa kubva mukuora uye inochengetedza kuvimbika kwayo nekufamba kwenguva.
High-Temperature Tolerance: ENIG-yakavharwa maPCB anogona kumira tembiricha yakakwira, ichiita kuti ive yakanakira maapplication anoda kusimba pasi pekushushikana kwekupisa.
Kuwedzerwa Kwemagetsi Kushanda: Iyo yakatsetseka, yakati sandara pamusoro penickel uye conductive zvimiro zvegoridhe zvinobatsira mukushanda kwemagetsi kwepamusoro, kwakakosha kuchengetedza kutendeseka kwekufambiswa kwechiratidzo mumagadzirirwo akaomarara edunhu.
Hurefu uye Kusimba: ENIG inopedza inocherechedzwa nehupenyu hwayo hurefu hwesherufu uye kusimba, hunhu hunovaita kuti vafarirwe muindasitiri kunyangwe mutengo wavo wakakwira zvichienzaniswa nemamwe mapeji. OSP (Organic Solderability Preservatives) or HASL (Hot Air Solder Leveling).

PCB Surface Kurapa: ENIG PCB

Yakananga Immersion Goridhe (DIG), inovandudza uye ichangoburwa kufambira mberi muhunyanzvi hwekupedzisa tekinoroji, yatora kutariswa kwezvivakwa zvayo zvakasiyana uye zvakanakira, kunyanya mumagetsi epamusoro-soro. Kuongorora kwakadzama uku kunopa kutarisa kwakadzama kuDIG, ichisimbisa maitiro ayo ekushandisa, mabhenefiti, uye kukodzera kwemagetsi emazuva ano.

Chii chinonzi Direct Immersion Gold (DIG)?

Direct Kunyudzwa Goridhe (DIG) inzira yekupedzisa pamusoro inosanganisira kuisa zvakananga chidimbu chegoridhe panzvimbo yemhangura yePCB pasina kushandiswa kwepakati nickel layer, inowanzoitika mumaitiro echinyakare Electroless Nickel Immersion Gold (ENIG). Iyo DIG maitiro inopa nickel-yemahara imwe nzira, ichipa yakasimba latice chimiro chinomisa zvakanyanya kupararira kwemhangura kumusoro, yakakosha pakuchengetedza kutendeseka kwePCB mumashandisirwo akasiyana siyana.

Iyo DIG Maitiro Inotsanangurwa

Iyo DIG maitiro inoratidzwa nekureruka kwayo uye kushanda kwayo, iyo inogona kuputswa kuita akati wandei matanho akakosha:

Kugadzirira Kwazvino: Kusati kwaitika chero kuiswa kwegoridhe, nzvimbo dzemhangura dzePCB dzinofanirwa kucheneswa zvine hungwaru kubvisa chero zvinosvibisa, mafuta, kana oxidation zvigadzirwa. Izvi zvinowanzobatanidza musanganiswa wemakemikari ekuchenesa maajenti uye micro-etching tekinoroji kuti ive nechokwadi chepristine nzvimbo, iyo yakakosha kune yakakwana yekunamatira uye kufanana kweiyo goridhe layer.

Kushanda: Iyi nhanho inosanganisira kurapa nzvimbo dzendarira dzakagadzirirwa nekemikari activator inogadzirira mhangura yekuisa goridhe. Iyi activator inova nechokwadi chekuti goridhe rinosunga zvakanaka panguva yekunyudzwa.
Kunyudzwa Kwegoridhe: Nzvimbo dzemhangura dzakaitwa dzinobva dzanyudzwa mumushonga une munyu wegoridhe. Kuburikidza nekuchinja-chinja, maatomu egoridhe anoisa zvakananga panzvimbo yemhangura, achigadzira danda rakatetepa, rakafanana regoridhe. Iyi nzira yekunyudza inodzorwa zvine hungwaru kuti iwane ukobvu hunodiwa uye mhando yegoridhe replating.
Kuchenesa Mushure mekurapwa: Mushure mekuputirwa negoridhe, maPCB anogezwa nekucheneswa kuti abvise chero makemikari asara kana zvigadzirwa kubva pamusoro. Danho iri rakakosha kudzivirira chero kukanganisa kunogona kuitika muchigadzirwa chekupedzisira.

Yakakosha Yakanakira Yekwakananga Kunyudza Goridhe (DIG)

DIG inopa akati wandei mabhenefiti anoita kuti ive sarudzo yakasarudzika kune akawanda epamusoro-tech PCB maapplication:

Nickel-Isina Kuumbwa: Nekubvisa nickel layer inoshandiswa mu ENIG, DIG inoderedza njodzi yekuremara kwenickel senge black pad syndrome, iyo inogona kukanganisa solder joint kuperera.
Kuvandudzwa Kwemagetsi: Ndarama inofambisa zvikuru, uye kutarisana kwayo zvakananga nemhangura kunowedzera kushanda kwemagetsi ePCB, iyo inonyanya kubatsira kune yakakwirira-frequency kana kushandiswa kwechokwadi.
Yakanakisa Corrosion Resistance: Ndarama inopesana zvakanyanya neoxidation uye corrosion, kuchengetedza mhangura iri pasi kubva kune zvakatipoteredza izvo zvinogona kukanganisa PCB nekufamba kwenguva.
Yakanaka Pitch Kuenderana: Iko kugona kugadzira gobvu, yunifomu yegoridhe layer inoita kuti DIG ive yakanaka kune yakanyanya kunaka pitch application, uko nzvimbo pakati pezvikamu ishoma uye kuvimbika kwakakosha.
Yakaderedzwa Maitiro Kuoma: DIG inorerutsa iyo PCB yekupedzisa maitiro nekubvisa matanho ane hukama ne nickel plating, zvichigona kudzikisa nguva dzekugadzira uye mutengo.

Yakanaka Zvikumbiro zveDIG

DIG inonyanya kukodzera maapplication uko kuvimbika kwakanyanya, kuita kwakanakisa kwemagetsi, uye tight pitch zvinodiwa zvakakosha. Izvi zvinosanganisira:

High-Frequency Communication Devices: Midziyo inoshanda pamhepo huru inobatsirwa kubva kune epamusoro magetsi emagetsi egoridhe.
Flexible PCBs: Iyo ductility yegoridhe inoita kuti ive sarudzo yakanaka kune inochinjika maPCB, ayo anofanirwa kutsungirira kukotama uye kuchinjika pasina kutyora.
High-Density Interconnect (HDI) Mabhodhi: HDI mabhodhi, iyo ine mitsetse yakanaka uye nzvimbo, inoda iyo chaiyo uye kuvimbika iyo DIG inogona kupa.

Matambudziko uye Mafungiro

Nepo DIG ichipa akawanda mabhenefiti, zvakakosha kuti titarise painogumira uye matambudziko:

Mariro: Zvisinei nekurerutsa maitiro, mutengo wakakwira wegoridhe unoramba uri chinhu chakakosha, zvichigona kudzikamisa kushandiswa kweDIG kune yakakwirira-yakakosha maapplication.
Kudzora Kukora Kwegoridhe: Kunyatso kudzora pamusoro pekukora kwegoridhe layer kwakakosha, sezvo misiyano inogona kukanganisa kutengesa uye kuvimbika kwePCB.
Limited Wear Resistance: Kunyange zvazvo yakanakisa pakuramba corrosion, mitsetse yegoridhe yakatetepa inogona kusapa kukwana kupfeka kwekupokana kwenzvimbo yekubata kana yekubatanidza maapplication.

PCB Surface Kurapa: DIG PCB

Kumbira PCB Gungano Quote Iye zvino

Kusarudza Pakati pe ENIG uye DIG

Sarudzo pakati pe ENIG neDIG inotsamira zvakanyanya pane izvo chaizvo zvinodiwa zvePCB application:

Zvekushandisa Zvakawanda: ENIG inowanzofarirwa nekuda kwekuvimbika kwayo uye kuita kwakanakisa muhuwandu hwakawanda hwekushandisa.
Nezve Kunyatsojeka kana Kwepamusoro Frequency: DIG inogona kunge yakanyatsokodzera, kunyanya painodiwa chiratidzo chepamusoro-soro, uye mutengo unogona kururamiswa.
Mafungiro Ezvakatipoteredza: Mapeji ese ari maviri haana lead-isina, asi kusavapo kwenickel muDIG kunogona kuwonekwa seimwe bhenefiti yezvakatipoteredza.
Mutengo Sensitivity: Kune mapurojekiti asingatengi mutengo, sarudzo inogona kuenderana nekuenzanisa mabhenefiti ekupedzisa kwega kwega zvichienderana nemitengo yavo.

Muchidimbu, ENIG neDIG zvese zvinopa mabhenefiti akakosha ekupedzisa PCB pamusoro , ENIG ichipa mhinduro inogamuchirwa nevanhu vose uye DIG ichipa mabhenefiti akakosha kune mamwe mashandisirwo etekinoroji yepamusoro. Sarudzo yacho inofanira kutungamirirwa nezvinodiwa chaizvo zvePCB, kusanganisira kufunga nezvekugara kwenguva refu, mutengo, kushandiswa, uye zvinhu zvakatipoteredza.

mhedziso

MaPCB akakosha mumagetsi emazuva ano, anoda kusimba kwepamusoro kupedzisa kuita kwakaringana. Electroless Nickel Immersion Gold (ENIG) uye Direct Immersion Gold (DIG) vari kutungamira sarudzo kune avo akasiyana mabhenefiti. ENIG inosanganisa nickel negoridhe kudzivirira oxidation uye inotsigira tembiricha yepamusoro, inosimudzira PCB kusimba uye kushanda kwemagetsi. DIG, kudzivirira nickel, inopa nyore uye kushanda nesimba, ine yakanakisa magetsi conductivity uye corrosion kuramba, yakanakira yakakwirira-chaiyo magetsi. Ose anopedza anobata kune chaiwo maapplication anodiwa, kuenzanisa mutengo, kuita, uye kufunga kwezvakatipoteredza.

Kana iwe uchingofunga mutengo wekugadzira PCB yako, iwe uchiri kuda kunzwisisa mamiriro emusika wenzvimbo. Dzimwe mari dzinowanzova dzedzidziso. Mutengo chaiwo wePCB uchiri kuda kufunga nezvemamiriro chaiwo. Zvakanakisa kuti ubate zvakananga kambani ine nyanzvi yeinjiniya timu.

Kumbira PCB Gungano Quote Iye zvino

FAQ

1.Ndeipi mabhenefiti akakosha ezvakatipoteredza ekushandisa ENIG uye DIG pamusoro pekupera?

Ose ari maviri ENIG neDIG haana lead-isina, zvichiita kuti ive nehushamwari kwezvakatipoteredza pane yechinyakare lead-based finish. Uyezve, DIG inobvisa kushandiswa kwe nickel, kuderedza zvinogona kuitika kwezvakatipoteredza uye utano hwehutano hunobatanidza nickel.

2.Ko ENIG uye DIG pamusoro pekupedzisira zvinokanganisa sei gungano rePCBs?

ENIG inopa nzvimbo yakadzikama uye yakagadzikana iyo inosimudzira maitiro egungano, kunyanya kune zvakaomarara. DIG inorerutsa maitiro ekupedzisa nekubvisa nickel plating matanho, ayo anogona kuderedza nguva yekugadzira uye mutengo.

3.Can ENIG uye DIG kupedza kushandiswa kwemarudzi ose ePCBs?

ENIG inoshanda zvakasiyana-siyana uye inokodzera kuwanda kwePCB application. DIG, nekuda kwekuenderana kwayo kwepitch uye yakakwirira conductivity, inonyanya kukodzera kune yakakwirira-density uye yakakwirira-frequency PCB application.

4.Vagadziri vanofanira kufunga nezvei pakusarudza pakati pe ENIG neDIG kune maPCB avo?

Mafungiro anosanganisira chaiwo mashandisirwo anodiwa senge zvinopisa nemagetsi zvinodiwa, mutengo wezvinorehwa, uye kukanganisa kwezvakatipoteredza kwekupedzisa. ENIG inowanzosarurwa kune yakakura maapplication, nepo DIG inogona kunge iri nani kune chaiyo-inotsamira maapplication.

5.Ko ENIG uye DIG inofananidzwa sei maererano nemari-inobudirira?

Nepo kurapwa kwese kwepamusoro kuchipa zvakakosha, ENIG's maviri-layer process inoita kunge inodhura zvakanyanya nekuti inosanganisira nickel negoridhe. Nekuda kwematanho mashoma ekugadzirisa uye kushandiswa kwezvinhu, DIG inogona kuchengetedza mutengo, kunyanya muhukuru-hukuru hwekushandisa uko kurongeka kwakanyanya hakuna kukosha. Tichifunga, mutengo weDIG wakaderera, asi vanhu vashoma mumusika weChinese vanoshandisa DIG yepamusoro tekinoroji. Iyo PCB yekugadzira mutsara inoda yakaparadzana nickel-isina goridhe silinda, uye vashoma vashandisi vanoishandisa, zvichiita kuti mutengo chaiwo weDIG wepamusoro tekinoroji ukwire.