Kupera kwepamusoro pamapuranga edunhu kunokosha zvikuru. Inomisa mhangura kubva mukuora uye inobatsira nekutengesa. Kurapa kwakakosha kwepamusoro kunoita kuti mapuranga ashande zvirinani uye agare kwenguva refu. Mishonga iyi inosangana nezvinodiwa zvakasiyana, sekuchengetedza mari kana kuita kwakanyanya. Kutora kupedzisa chaiko kunovandudza kunaka kwechigadzirwa chako. Kuziva mhando dzekupedzisa kunokubatsira kusarudza nehungwaru.
Zvitsva Zvitsva
Kutora iyo chaiyo PCB kupedzisa kwakakosha kuti inoshanda sei uye inogara sei. Funga nezve izvo chirongwa chako chinoda usati wasarudza.
ENIG inodzivirira ngura zvakanaka uye ine nzvimbo dzakatsetseka. Inoshanda pakushandiswa kwepamusoro-soro asi inoda kubatwa nokungwarira kudzivirira matambudziko.
HASL yakachipa uye inotengeswa zvakanaka, asi inogona kusashanda kune yakasimba dhizaini nekuda kwemapedhi asina kuenzana.
OSP isarudzo yakasvibirira inomisa mhangura kuti isaita ngura uye inochengetedza mari, asi inoda kubatwa nekungwarira kudzivirira kukuvara.
Peelable solder masks anodzivirira dzimwe nzvimbo panguva yekutengesa. Vanogona kunonoka kugadzira uye vanoda kunyatsobviswa.
ENIG Surface Finish
Electroless Nickel Immersion Goridhe (ENIG) yakajairika PCB kupera. Inoshandisa nickel negoridhe layers kuita mapuranga akasimba uye anogara kwenguva refu.
Zvakanakira zve ENIG
ENIG ine zvakawanda zvakanaka zvinoita kuti ive sarudzo yepamusoro. Inomisa oxidation, kubatsira mabhodhi kugara kwenguva refu mumamiriro akaoma. Nzvimbo yakatsetseka inoita kuti soldering ive nyore uye inovandudza kuyerera kwemagetsi. Kunyorova kwayo kwakanaka kunovimbisa kusimba kwakasimba uye kubatana. ENIG inogona kuchengetwa kusvika kumwedzi gumi nemiviri pasina nyaya. Iyo nickel layer inomisa goridhe nemhangura kubva mukusanganiswa, ichigadzira yakagadzikana komisheni (Ni12Sn3) yekusimbisa zvirinani. Kudzikira kubata kuramba kunowedzera conductivity, iyo yakanakira kushandiswa kwepamusoro-kuita. ENIG inowedzerawo simba uye inoderedza kupokana, ichiita mabhodhi akavimbika.
Zvakaipa zve ENIG
ENIG ine zvimwe zvakaderera zvakare. Nickel inogona kukanganisa panguva yekugadzirwa kwegoridhe, zvichikonzera "black nickel" kana "black pad." Aya matambudziko anogona kuita kuti soldering ikundikane uye kudzikisira PCB mhando. Iyo nickel layer chimiro uye phosphorus mazinga anogona kutungamira kune dema pad nyaya. Kuchengeta kugeza nickel kwakachena uye kudzorwa kwakakosha zvikuru. Iyi nzira inoda kunyatsotariswa uye hunyanzvi.
Drawback | tsananguro | Impact paPCB Manufacturing |
|---|---|---|
Nickel Corrosion | Zvinoitika panguva yegoridhe layer process, zvichikonzera 'black nickel' kana 'black pad'. | Zvinotungamirira kumatambudziko ekutengesa. |
Black Pad Formation | Inokonzerwa nickel chimiro uye phosphorus mazinga. | Inoda maitiro asina kukanganisa. |
Kudzora kweElectroless Nickel Bath | Zvakakosha kumisa nickel corrosion matambudziko. | Inobatsira kuchengetedza mhando yepamusoro. |
Unique Zvimiro zve ENIG
ENIG ine akakosha maficha anoita kuti mabhodhi avimbike. Inopikisa oxidation uye ine nzvimbo yakatsetseka yekuita zviri nani. Yayo yakaderera kuonana kuramba uye simba rinoenderana nepamusoro-kuita zvinodiwa. ENIG inoshandiswa mumaindasitiri akaita seaerospace, mauto, uye zvekurapa, uko kuvimbika kunonyanya kukosha. Iro anti-friction properties uye hupenyu hurefu hwesherufu inowedzera kukosha kwayo. Aya maficha anoita ENIG sarudzo yakavimbika kune akawanda mashandisiro.
mamiriro | tsananguro |
|---|---|
Oxidation Resistance | Inomisa oxidation, kubatsira maPCB kugara kwenguva refu. |
Surface Planarity | Smooth surface inovandudza soldering uye kuyerera kwemagetsi. |
Kunyorova | Kunyorova kwakanaka kunovimbisa kusimba kwakasimba uye kubatana. |
Yakareba Sirufu Hupenyu | Inogona kuchengetwa kusvika kumwedzi gumi nemiviri pasina matambudziko. |
Intermetallic Compound | Nickel layer inomisa goridhe nemhangura kusanganiswa, kuvandudza soldering. |
Low Contact Resistance | Inosimudzira conductivity, yakanaka kune yakakwirira-inoshanda mabhodhi. |
High Strength | Inowedzera simba uye inoderedza oxidation yekusimba. |
Anti-Friction | Inoderedza kukakavara, kuita mapuranga akavimbika. |
Industry Applications | Inoshandiswa mune zvemuchadenga, zvemauto, uye zvekurapa minda yekuvimbika. |
HASL Surface Finish
Hot Air Solder Leveling (HASL) yakajairika PCB kupera. Inonyika mapuranga edunhu mu solder yakanyunguduka. Mhepo inopisa inobvisa yakawedzera solder, ichisiya danda rekudzivirira. Iyi layer inomisa oxidation uye inobatsira nekutengesa.
Zvakanakira zveHASL
HASL ine zvinhu zvakanaka zvakawanda zvinoita kuti ive yakakurumbira. Inobatsira kuti solder inamire zvakanaka, ichigadzira kubatana kwakasimba. Maitiro acho akachipa, zvichiita kuti ive yakanaka kuchengetedza mari. HASL inosangana nezvinodiwa nemauto, ichiratidza kuti inoshanda mumamiriro ezvinhu akaoma. HASL isina mutobvu inochengetedza nharaunda uye inotevera mitemo yeRoHS.
Zvimwe zvinobatsira zvinosanganisira kumisa mhangura kuti isaite ngura uye kushanda nenzira dzakasiyana dzekusodha. Aya maficha anoita kuti HASL ibatsire kune akawanda mapurojekiti.
Zvakaipa zveHASL
HASL inewo mamwe matambudziko. Mabhodhi anotarisana nekupisa kukuru panguva yekuita, izvo zvinogona kukuvadza makomba. Iyo solder coating haina kuenzana, zvichikonzera zvikabudura kana kuvhurika maseketi muzvikamu zvidiki. Brittle makomisheni anogona kuumba, achidzikisa kuvimbika kwenguva refu.
Kukanganisika | tsananguro |
|---|---|
Solder Pad Uniformity | Zvisina kuenzana solder pads zvinogona kukonzera zvikabudura kana kuvhurika maseketi muzvikamu zvidiki seQFPs neBGAs. |
Thermal Shock Resistance | Kupisa kwakanyanya kunogona kukuvadza akaputirwa nemaburi panguva yekuita. |
Uneven solder coating
Kusagadzikana kwekudzivirira kupisa
Brittle compounds inogona kuumba
Zvakasiyana Zvimiro zveHASL
HASL inokwanisika uye iri nyore kuwana. Ndiyo imwe yakachipa PCB kupera. Maitiro acho ari nyore uye anoshandiswa zvakanyanya nevagadziri. Inotungamira-isina HASL inowanikwa kune eco-inoshamwaridzika mapurojekiti. Asi HASL haishande mushe kune dense dhizaini kana HDI mabhodhi. Nzvimbo yayo isina kuenzana inogona kukonzera matambudziko. Maitiro acho anogona zvakare kuve akashata uye anonhuwa, izvo vamwe vagadziri vangave vasingade.
mamiriro | tsananguro |
|---|---|
Advantages | Inosangana nezviyero zvemauto, Mutengo wakaderera |
payakaipira | Haina kunaka kune HDI mabhodhi, Kupisa kwakanyanya kunogona kukanganisa zvinhu, Maitiro akashata uye anonhuwa, Nzvimbo isina kuenzana yezvikamu zvakakora. |
OSP Surface Finish
Organic Solderability Preservative (OSP) ipurasitiki yePCB yakajairika . Inowedzera chidimbu chakatetepa kudzivirira mhangura kuti isaite ngura. Chidimbu ichi chinochengetedza bhodhi rakagadzirira kusungirirwa panguva yekuunganidza.
Zvakanakira zveOSP
OSP ine zvinhu zvakanaka zvakawanda zvinoita kuti ive yakakurumbira. Inodzivirira mhangura kubva mungura , zvichiita kuti kusungirirwa kwayo kuve nyore uye kwakavimbika. Izvi zvakakosha kumaindasitiri akaita semota nemakambani emafoni, uko kuvimbika kwacho kunokosha. Mhando itsva dzeOSP dzinogara kwenguva refu, dzinobva pamwedzi 4-5 kusvika kune dzakawanda. Kuvandudzwa uku kunoita kuti ive yakanaka kune zvigadzirwa zvepamusoro zvakaita semafoni. OSP yakachipa zvakare uye inochengetedza nharaunda sezvo ichidzivirira simbi dzine njodzi dzakadai semutobvu.
Zvakaipa zveOSP
OSP ine zvimwe zvakaderera zvekufunga nezvazvo. Iyo nhete inogona kukwenya kana kukwesha panguva yekubata. Inogona zvakare kukuvadzwa nehunyoro, saka magirovhosi anodiwa. Kuedza nemaprobe akasimba kunogona kukuvadza OSP layer, zvichiita kuti isanyanya kubatsira kune mamwe bvunzo. Nyaya idzi dzinoreva kuti OSP inoda kunyatsoshandiswa uye kuchengetedza.
Kuganhurirwa/Kukanganisa | tsananguro |
|---|---|
Kwete ICT Hushamwari | Maprobe akasimba anogona kukuvadza OSP layer panguva yekuyedzwa. |
Unyoro Kukuvadza | Inogona kukuvadzwa nedikita, mvura, kana kusabatwa zvakanaka; magirovhosi rubatsiro. |
Mechanical Kukuvadza | Mucheka wakatetepa unogona kukwenya kana kukwesha nyore nyore. |
Unique Zvimiro zveOSP
OSP iri nyore uye inokwanisika. Hachidi maturusi emhando yepamusoro kana zvinhu zvinodhura. Yayo eco-inoshamwaridzika hunhu inoita kuti ive sarudzo yepamusoro yeRoHS-inoenderana mapurojekiti. OSP inoshanda nenzira dzakasiyana dzekutengesa senge wave uye reflow. Asi danda rayo rakatetepa rinoda kubatwa zvinyoro kuti risakuvadzwa. OSP inowanzo shandiswa mumagetsi, mota, uye telecom giya nekuti yakavimbika uye ine bhajeti.
Peelable Solder Mask
Peelable solder mask ndeyekupfeka kwenguva pfupi yePCBs. Inodzivirira dzimwe nzvimbo panguva ye soldering. Mushure mekusangana, unogona kuibvisa. Izvi zvinosiya zvikamu zvakachengetedzwa zvakachena kune rimwe basa.
Zvakanakira Peelable Solder Mask
Peelable solder mask ine akawanda mabhenefiti. Inodzivirira nzvimbo dzakaita sezvigunwe zvegoridhe kana zvibatanidza kubva kune solder. Izvi zvinodzivirira matambudziko senge solder bhiriji kana kusvibiswa. Sezvo zviri zvenguva pfupi, unogona kuibvisa pasina kukuvadza PCB.
Inoshanda zvakanaka pakusarudza solder, kuve nechokwadi chechokwadi uye zvikanganiso zvishoma. Iyo maski inogona kubata kupisa kwakanyanya panguva ye soldering pasina kuputsa. Izvi zvinoita kuti ive yakanaka kune yakaoma mabhodhi anoda akawanda nhanho dzekutengesa.
Zano: Shandisa mamasiki anosvetukira anogona kubviswa kana kuti anoshandiswa pakugadzira zvinhu zvakapfava.
Kuipa kwePeelable Solder Mask
Peelable solder mask zvakare ine zvimwe zvakaderera. Inowedzera mamwe matanho, zvichiita kuti kugadzirwa kutore nguva yakareba. Iwe unofanirwa kuisa, kurapa, uye gare gare wobvisa mask.
Kana isina kubviswa zvakanaka, inogona kusiya zvakasara. Izvi zvinogona kukanganisa kuita kwePCB. Izvo zvakare hazvina kunaka pakugadzirwa kwakakura nekuti zvinotora nguva yakawanda.
Kukanganisika | tsananguro |
|---|---|
Yakawedzera Nguva Yekugadzira | Inoda kunyorera, kurapa, uye kubvisa, izvo zvinononotsa maitiro. |
Residue Issues | Kubvisa kwakashata kunogona kusiya zvakasara, zvichikanganisa kuita kwePCB. |
Zvishandiso zvePeelable Solder Mask
Peelable solder mask inoshandiswa mumaindasitiri anoda chaiyo soldering. Izvo zvakajairika muaerospace, mota, uye telecom mapurojekiti. Inodzivirira zvigunwe zvegoridhe, zvibatanidza, uye vias panguva yekutengesa.
Kupedzisa uku kunobatsira kumapuranga ane matanho akawanda ekutengesa. Inochengetedza dzimwe nzvimbo dzisina kubatwa. Zvakanakira prototypes kana mapurojekiti madiki uko kurongeka kwakakosha kupfuura kumhanya.
Cherechedza: Masiki anokweshwa anobatsira pakunamira simbi uye kudzivirira kupisa zvakanyanya.
Carbon Oil Plate Surface Finish
Kupedzisa pamusoro peplate yemafuta ekabhoni inzira yakakosha yePCB. Inoshandisa inki yekabhoni kugadzira zvikamu zvinofambisa mhepo pabhodhi. Kupedzisa uku kwakanakira mapurojekiti anoda kufambisa mhepo zvakachipa uye simba.
Zvakanakira Carbon Oil Plate
Pureti yemafuta ekabhoni ine zvinhu zvakanaka zvakawanda. Inopa conductivity yakanaka kumacircuits ane simba shoma. Inobatsira kuma keypad, switch, nemamwe mapurojekiti asingadhuri. Maitiro acho ari nyore uye haadi zvinhu zvinodhura. Izvi zvinoita kuti ive sarudzo inochengetedza mari pakushandisa kwakawanda.
Iyo yekupedzisira yakaoma uye inotora nguva yakareba. Inoshanda zvakanaka munzvimbo dzine kushushikana kwepakati. Kusiyana nesimbi inopera, haina kuita ngura nyore. Izvi zvinoita kuti zvive zvakanaka kune zvishandiso zviri pedyo nehunyoro kana makemikari.
Zano: Shandisa carbon oil plate kuti iite conductivity yakasimba uye isingadhuri.
Kuipa kweCarbon Oil Plate
Pureti yemafuta ekabhoni ine zvimwe zvayakaipira. Kufambiswa kwayo kwemhepo kwakaderera pane kugadzirwa kwesimbi senge ENIG kana HASL. Izvi zvinoita kuti isashande zvakanaka kumaseketi ane simba guru. Inogona kupera nekukurumidza kana ikashandiswa zvakanyanya kana mumamiriro ezvinhu akaomarara.
Kutarisira kunodiwa panguva yekugadzirwa. Kana ikashandiswa zvisirizvo, maseru anogona kuve asina kuenzana uye achikuvadza kuita. Izvo zvakare hazvitaridzike sezvakanaka senge inopenya simbi inopera. Kana zvinotaridzika zvine basa, ungangoda imwe kupera.
Kukanganisika | tsananguro |
|---|---|
Lower Conductivity | Hazvina kunaka kune-high-power circuits. |
Durability Concerts | Inopera nekukurumidza nekushandisa zvakanyanya kana mamiriro akaoma. |
Manufacturing Issues | Inoda kungwarira application kudzivirira kusaenzana maseru. |
Zvishandiso zveCarbon Oil Plate
Kupenya kweplate yemafuta ekabhoni kunowanikwa mumapurojekiti asingadhuri. Kunoshandiswa mumagetsi akadai semaremote nemacalculator. Uchazvionawo mumadashboard emotokari nematurusi emuindasitiri.
Kupedzisa uku kwakanakira keypads uye switch. Inopa yakatsiga conductivity pasina kukwidza mari. Zvemidziyo iri pedyo nehunyoro kana makemikari, isarudzo yakangwara.
Cherechedza: Ndiro yemafuta ekabhoni ndiyo yakanakira mapurojekiti anoda mari shoma uye kugara kwenguva refu.
Kuenzanisa Mhando Dzakasiyana dzePCB Surface Finishes
Mutengo Kuenzanisa
Mutengo wePCB unokosha pakusarudza imwe. Dzimwe dzakachipa, nepo dzimwe dzichidhura zvakanyanya nekuda kwemaitiro akaoma. OSP ndeimwe yesarudzo dzakachipa. Inoshanda zvakanaka kumotokari nemidziyo yekutaurirana uko kuchengetedza mari kwakakosha. ENIG inodhura zvakanyanya nekuti ine matanho akawanda ekushandisa. Izvi zvinoita kuti ive nani kune zvigadzirwa zvepamusoro kana kugadzira mabhodhi akawanda.
pamusoro Finish | Mutengo Kuenzanisa | Applications |
|---|---|---|
OSP | Yakachipa kupfuura ENIG | Mota, Kukurukurirana, Networking |
ENIG | Inodhura yakawanda nekuda kwekugadzirisa | Zvigadzirwa zvemhando yepamusoro, Kugadzirwa kukuru |
Zano: Sarudza OSP yemapurojekiti asina bhajeti rakawanda. Sarudza ENIG yezvinhu zvemhando yepamusoro kana zveumbozha.
Performance uye mukurumari
Kuti PCB finish inoshanda zvakanaka sei zvinoenderana nekushanda kwayo uye kugara kwayo kwenguva refu . finish yega yega ine zvakanaka nezvakaipa. ENIG inomisa ngura uye ine pamusoro wakatsetseka, zvichiita kuti ive yakanaka pakushandiswa kwepamusoro-soro. Asi inoda kushanda nekungwarira kudzivirira matambudziko akaita seblack pad. HASL yakachipa asi inogona kuva nezvikamu zvisina kuenzana uye matambudziko nekupisa mumagadzirirwo akaomarara.
Vagadziri bvunzo vanopedza kuti vaone kusimba kwavo. Iyi bvunzo inoita shuwa kuti kupera kunosangana nezviyero uye kunogara. Heino mimwe miedzo yakajairika:
Nzira yekuedza | chinangwa |
|---|---|
Kuonekwa Kwekuona | Inowana matambudziko anooneka senge asina kuenzana maseru kana shanduko yemavara. |
Solderability Testing | Inotarisa kuti solder inonamatira sei uye inopararira pasi pemamiriro ezvinhu anodzorwa. |
Kuyera Ukobvu | Inosimbisa kupedzisa kunosangana nemitemo yeukobvu uchishandisa maturusi akaita seXRF. |
Cross-Sectional Analysis | Inotarisa matinji pasi pemaikorosikopu kutarisa ukobvu uye kubatana. |
Ionic Contamination Testing | Miedzo yetsvina kana zvisaririra zvinogona kukuvadza kuvimbika. |
Thermal Cycling Testing | Inotevedzera shanduko yetembiricha kuti uwane nyaya dzekusimba. |
Adhesion Testing | Inoyera kuti kupedzisa kunonamira sei pabhodhi. |
Corrosion Resistance Testing | Inoedza kuti kupedzisa kunodzivirira sei ngura nekufamba kwenguva. |
Electrochemical Migration Testing | Inotarisa kuti maion esimbi anofamba uye anokonzera mapfupi maseketi. |
Cherechedza: Kuedza kunobatsira kuona kuti kupedzisa kwako kunoshanda zvakanaka muhupenyu chaihwo. Kuti kupedzere kwakasimba uye kugare kwenguva refu, ENIG neOSP isarudzo dzakanaka.
Environmental Compliance
Kugadzirwa kwePCB kusingakuvadzi nharaunda kwakakosha pakuchengetedza nharaunda. OSP isarudzo yegirini. Inodzivisa simbi dzine njodzi dzakadai semutobvu uye inotevedzera mitemo yeRoHS. HASL isina mutobvu ndeimwe sarudzo yakanaka yekuenzanisa mutengo uye kuchengetedza nharaunda.
ENIG yakavimbika asi inoshandisa makemikari anoda kubatwa nokungwarira. Vagadziri vanofanirwa kugadzirisa marara nemazvo kuti vatevedzere mitemo yezvakatipoteredza.
Zano: Kune mapurojekiti asingakuvadzi nharaunda, sarudza OSP kana HASL isina mutobvu . Kupedzisa uku kunotevera tsika dzekuchengetedza nharaunda uye kunoenderana nemitemo.
Kuziva mutengo , mashandiro , uye hunhu husingakuvadzi nharaunda hwePCB finishes zvinokubatsira kusarudza yakanakira purojekiti yako.
Kusarudza iyo Yakarurama PCB Surface Pedzisa
Zviitiko zvekufunga nezvazvo
Kutora iyo chaiyo yepamusoro pekupedzisira kwePCB yako kwakakosha. Kupedzisa kwega kwega kune zvayakanakira nezvayakaipira. Kuziva izvo purojekiti yako inoda kuchakubatsira kusarudza. Hezvino zvimwe zvinhu zvekufunga nezvazvo:
Mutengo : Mamwe mafinishi, seOSP, akachipa. Mamwe, seENIG, anodhura zvakanyanya nekuti anotora matanho ekuwedzera ekunyorera. Bhajeti yako ichakubatsira kusarudza.
Kugona Kubatanidza : Kupedzisa kwakanaka kunobatsira kuti solder inamire zvakanaka. HASL neENIG zvakanaka pakugadzira kubatanidza kwakasimba.
Kuramba Kuora : Magadzirirwo akaita seENIG neOSP anodzivirira mhangura kubva kungura. Izvi zvinoita kuti PCB yako irambe ichishanda kwenguva yakareba.
Hupenyu Hwesherufu : Kana uchida kuchengeta maPCB kwenguva yakareba, ENIG isarudzo yakanaka . Inogara kusvika kumwedzi gumi nemiviri pasina matambudziko.
Zvinodiwa Pakushandisa : Funga nezvekuti PCB ichashandiswa kupi. Nzvimbo yakatsetseka yeENIG inoshanda zvakanaka pakugadzira zvinhu nekukurumidza kana kuti zvine frequency yakakwira.
Zano : Enzanisa kupedzisa kwepuratifomu nezvinodiwa neprojekiti yako. Semuenzaniso, sarudza ENIG kana uchida bhodhi rakasimba uye rakanaka.
Kupedzisa kwaunosarudza kunokanganisa kuti PCB yako inoshanda sei. Nekufunga nezvezvinhu izvi, unogona kuve nechokwadi chekuti bhodhi rako rinoenderana nezvido zvako uye bhajeti.
Kutora iyo chaiyo PCB pamusoro pekupedzisira kwakakosha. Inochengetedza bhodhi rakachengeteka, inobatsira solder kunamatira zvakanaka, uye inoita kuti igare kwenguva refu. Kupedzisa kwakasiyana kune zvakwakanakira. Kuziva izvo purojekiti yako inoda kunobatsira iwe kusarudza yakanakisa.
Yeuka : Kupedzisa kwakanaka kunovandudza mashandiro, kunochengetedza mari, uye kunoita kuti zvive pachena kuti kuvimbika. Kunyangwe uchida simba, mutengo wakaderera, kana sarudzo dzinochengetedza nharaunda, sarudzo chaiyo ichaita kuti PCB yako ive nani uye ibatsire.
FAQ
Chii chinoitwa nePCB pamusoro pekupedzisira?
PCB inopedza kumisa mhangura kubva mukuora uye kubatsira solder tsvimbo. Vanoita kuti mapuranga agare kwenguva refu uye anoshanda zviri nani. Kutora kupedzisa chaiko kunovandudza maitiro ebhodhi rako.
Ndeipi PCB kupera kunoshanda zvakanyanya kune kukurumidza dhizaini?
ENIG yakanakira kukurumidza dhizaini. Nzvimbo yaro yakatsetseka inobatsira zviratidzo kufamba zvakanaka. Izvi zvinoita kuti ive yakakwana kumapurojekiti anoda huroyi uye kuvimbika.
Pane eco-inoshamwaridzika PCB inopera here?
Ehe, OSP uye inotungamira-isina HASL isarudzo dzakasvibira. Ivo vanotevera mitemo yeRoHS uye vanodzivirira simbi dzinokuvadza senge lead. Izvi zvakanakira mapurojekiti akatarisana nenharaunda.
Ndingatora sei iyo chaiyo PCB kupera?
Funga nezve mutengo, kureruka kwekutengesa, kudzivirira ngura, uye kwainoshandiswa. OSP yakachipa uye inoshanda kumapurojekiti ari nyore. ENIG yakasimba uye yakavimbika kune zvemhando yepamusoro zvinodiwa.
Ko PCB inopedza kushandura nguva yekugadzira?
Ehe, mamwe anopedza anotora nguva yakareba, senge anopeeka solder masks. Vamwe, seHASL, vanokurumidza asi vangangoda kumwe kuyedzwa. Sarudza zvichienderana nenguva uye kuoma kweprojekiti yako.
