Kusarudza iyo chaiyo PCB pamusoro pekupedzisira kunokanganisa mutengo, kuita, uye nharaunda. HASL ndeimwe yezvakachipa sarudzo, zvichiita kuti ive yakanaka kune yakaderera-mutengo dhizaini. Zvisinei, inoshandisa mutobvu munzira dzechikuru, izvo zvinokuvadza zvakatipoteredza. ENIG PCB inopedzisa inodhura zvakanyanya asi yakapfava uye yakavimbika zvakanyanya nekuda kwezvinhu zviri nani uye maitiro. Kupera kwega kwega kunoshanda zvakanyanya kune zvakasiyana zvinodiwa.
Kusarudza zvine hungwaru kunobatsira dhizaini yako kuchengetedza mari uye kugara eco-hushamwari.
Zvitsva Zvitsva
Sarudza HASL yemapurojekiti akachipa . Inodhura zvishoma uye iri nyore kugadzirisa, zvichiita kuti ive yakanaka pakuedza mazano.
Shandisa ENIG yemhando yepamusoro dhizaini. Nzvimbo yayo yakati sandara uye kusimba kwayo kwakanakira zvidiki, zvine hudzamu hwemagetsi.
Funga nezvemhoteredzo. LEad-isina HASL yakachengeteka uye inoteedzera mirau yanhasi, uye ENIG inosanganawo nezviyero izvi.
Tarisa zvinodiwa neprojekiti yako . Sarudza magumo zvichienderana nebhajeti yako, mashandisirwo, uye saizi kuti uwane mhedzisiro yakanaka.
Ziva kuti HASL inoshanda nemazvo nezvikamu zvakapfava, nepo ENIG iri nani kune dzakasimba marongero uye akaomarara dhizaini.
Kunzwisisa HASL sePCB Surface Finish
Chii chinonzi HASL?
HASL, kana kuti Hot Air Solder Leveling, iPCB inopedzwa nevanhu vakawanda . PCB inonyikwa mu solder yakanyungudutswa kuti ifukidze nzvimbo dzemhangura. Ipapo, mhepo inopisa inobvisa solder yakawedzerwa, zvichiita kuti pamusoro payo pave pakachena. Maitiro aya anobatsira pakusolder uye anomisa oxidation. HASL inouya mumhando mbiri: tin/lead uye isina lead. Nekuda kwemitemo yakaita seRoHS, HASL isina lead yava kufarirwa zvakanyanya. Inopa kupedzisa kwakapfava uye kwakaenzana.
Mhando dzeHASL (Leaded vs. Lead-Free)
Kune marudzi maviri eHASL: inotungamira uye isina lead. Inotungamira HASL inoshandisa tin/lead musanganiswa uye yakashandiswa kwemakore. Asi hazvichanyanyi kuwanda iye zvino nekuda kwehutano uye nyaya dzezvakatipoteredza. HASL isina lead inoshandisa alloys setin-copper kana tin-silver-copper. Inosangana nemirairo yemazuva ano eco-hushamwari uye inopa kupera kwakapfava. Kunyangwe ichida kupisa kwakanyanya, inotengeswa zvirinani uye inoderedza njodzi yekuremara.
Zvakajairwa Zvishandiso zveHASL
HASL inoshandiswa mumapurojekiti akawanda nekuti yakachipa uye yakavimbika. Inoshanda nemazvo mumagajeti evatengi, maturusi eindasitiri, uye madhizaini anodhura. Kugona kwayo kukuru kwekutengesa kunokodzera kuburikidza ne-gomba zvikamu uye wave soldering. HASL inogara kwenguva refu uye yakanakira maPCB akachengetwa kwechinguva. Asi inogona kusashanda zvakanaka kune zvidiki zvikamu kana dense dhizaini nekuda kwekusaenzana solder ukobvu.
Zano: Kune mapurojekiti emhando yepamusoro kana mapurojekiti asina mari yakawanda, HASL isarudzo yakangwara. Inokwanisika kutenga uye iri nyore kugadzirisa kana zvichidikanwa.
Kuongorora ENIG PCB Surface Finish
Chii chinonzi ENIG?
ENIG inomirira Electroless Nickel Immersion Gold. Iyo yakasimba uye chaiyo PCB kupera. Iyo nzira ine matanho maviri. Kutanga, nickel inowedzerwa kuvhara mhangura uye kuita senhovo. Tevere, danda regoridhe rakatetepa rinoiswa kuchengetedza nickel uye kunatsiridza soldering. Izvi zvinogadzira yakatsetseka uye yakaenzana, yakanakira maPCB emazuva ano.
Iyo nickel layer inowanzoita 1 kusvika 8 μm gobvu. Iyo yegoridhe layer itete, inosvika 0.05 kusvika 0.25 μm. Iyi chaiyo dhizaini inomisa ngura uye inoita kuti PCB ishandiswe kweanosvika gore.
Zvinhu zvakakosha zve ENIG
ENIG ine akawanda mabhenefiti anoita kuti ive yakakosha:
Haiore Kuora : Nickel inomisa kukuvara kunokonzerwa nemakemikari, zvichiita kuti irambe ichishanda kwenguva yakareba.
Dziviriro yeZvikamu : Inovhara ngura, zvichiita kuti zvikamu zvigare kwenguva refu.
Kupedzisa Kwakatsetseka : ENIG inoita kuti nzvimbo yacho ive yakatsetseka yezvikamu zvidiki.
Hazvikuvadzi zvakatipoteredza : Zvinotevedzera mitemo isina mutobvu, zvichibatsira pasi rose.
Kutumira Zviratidzo : Goridhe inobatsira zviratidzo kufamba zvakanaka uye zvikamu zvinokwana zvakanaka.
Aya maficha anoita ENIG hukuru kune emhando yepamusoro mapurojekiti. Asi, inodhura zvakanyanya nekuti maitiro acho akaoma.
Zvakajairwa Zvishandiso zve ENIG
ENIG inoshandiswa panodiwa kunyatsoita uye kuvimbika. Kupera kwayo kwakapfava kwakanakira zvishandiso zvidiki semafoni uye smartwatches. Inoshanda nemazvo mumaPCB akaomeswa ane zvikamu zvidiki zvinoda kusungirirwa chaiko.
Kumabhodhi e LED, ENIG inobata kupisa zvakanaka uye inonamatira zvakasimba. Inosarudzwawo kune aerospace uye zvigadzirwa zvekurapa nekuti inopikisa ngura uye inogara kwenguva refu.
Zano : Kune michina yemagetsi yepamusoro-soro kana midiki, ENIG yakakodzera mutengo wekuwedzera.
Zvakanakira uye Zvakaipa zveHASL
Mabhenefiti eHASL
HASL ine zvinhu zvakanaka zvakawanda, zvichiita kuti ive sarudzo inodiwa. Mutengo wayo wakaderera ndicho chikonzero chikuru chinoita kuti vanhu vaisarudze. Izvi zvinoita kuti ive yakanaka kumapurojekiti ane bhajeti shoma kana mazano ekuyedza. HASL inovharawo ma test pads nemaburi ne solder otomatiki. Izvi zvinoita kuti pave nemigumisiro yakagadzikana panguva yekugadzira. Inochengetedza kugona kwayo kusvetukira kunyangwe mushure mekuchengetwa kwenguva yakareba. Izvi zvinoreva kuti PCB yako inoramba yakavimbika uye inoshanda zvakanaka.
Chimwe chakanaka ndechekuti HASL inoshanda nemichina mizhinji iri kushandiswa kare. Inokurumidza kugadzirwa uye inochengetedza nguva. Maitiro aya anoderedzawo kubata kwevanhu, zvichideredza zvikanganiso. HASL yakanaka kune majoini akasimba e solder nekuti inosolder zvakanaka. Izvi zvinoita kuti ive yakakwana pakusolder nemaoko uye mabasa anoda kuvimbika kwakanyanya.
Zano : Kune mapurojekiti akachipa kana zvikamu zvinopinda nepaburi, HASL isarudzo yakachenjera.
Zvakaipa zveHASL
Kunyangwe nemabhenefiti ayo, HASL ine zvimwe zvakaderera zvekufunga nezvazvo. Rimwe dambudziko guru inzvimbo yaro ine mabhambu. Uku kusaenzana kunogona kuita kuti kushandisa Surface Mount Devices (SMDs) kuome. Zvinogonawo kuita kuti solder ibhuroke munzvimbo dzakasimba. Kana chirongwa chako chichida nzvimbo yakati sandara, HASL inogona kusashanda zvakanaka.
Nzira dzekare dzeHASL dzinoshandisa mutungamiri, izvo zvakaipa kune hutano uye zvisikwa. Lead-isina HASL inogadzirisa izvi asi inoda kupisa kwakanyanya, zvichiita kuti kugadzirwa kuve nyore. Munzvimbo dzakaoma, zvinokambaira zvinogona kuitika, zvichikuvadza kuita kwePCB. Kuwedzera conformal coatings kunogona kubatsira kudzivirira nyaya iyi.
HASL inonetsekawo nemagadzirirwo ane density yakakura. Kusaenzana kwayo kunoita kuti zviome kubatanidza zvikamu muzvirongwa zvakasimba. Kune mapurojekiti anoda kunyatsorongeka, magadzirirwo akaita seENIG ndiwo sarudzo dziri nani.
Cherechedza : Kana paine marongero akaomarara kana kuti nzvimbo dzakati sandara, edza mamwe magadzirirwo.
Zvakanakira uye Zvakaipa zve ENIG
Mabhenefiti e ENIG
ENIG ine mabhenefiti akawanda ekushandisa magetsi akavimbika. Nzvimbo yayo yakati sandara inobatsira kubatanidza zvikamu munzvimbo dzakamanikana. Izvi zvakakosha kumidziyo yemazuva ano ine magadzirirwo madiki. ENIG inoitawo kuti kusungirirwa kuve nyore uye inoderedza zvikanganiso panguva yekubatanidza.
Imwe bhenefiti huru ihwo hupenyu hwayo hurefu hwekuchengetedza. MaPCB ane ENIG anogona kugara kweanopfuura gore asina kurasikirwa nemhando. Iyo zvakare inochengeta masaini akasimba, ayo akanakira kukurumidza maseketi uye RF masisitimu. ENIG inodzora kuyerera kwechiratidzo zvakanaka, ichiita kuti ive yakavimbika kune yakakosha michina.
Heino tafura inoratidza mabhenefiti akakosha eENIG:
Performance Criteria | Mabhenefiti e ENIG muReliable Electronics |
|---|---|
Smooth surface | Inobatsira kubatanidza zvikamu muzvikamu zvakasimba |
Easy solder | Inoita kuti gungano rikurumidze uye rive nani |
Hupenyu hurefu hwekuchengetedza | Inogara kwegore pasina kurasikirwa nemhando |
Inochengeta zviratidzo zvakasimba | Yakanakira kukurumidza uye RF maseketi |
Inodzora kuyerera kwechiratidzo | Inovimbisa kushanda kwakadzikama |
Yakachengeteka kushandiswa kwekurapa | Inoshanda kumaturusi ekurapa uye maimplants |
Inobata mamiriro akaoma | Yakanakira mota nendege |
Inodzivisa ngura | Inogara kwenguva refu uye inogara yakavimbika |
Nzvimbo yakaoma | Anoramba akasimba mumabasa akaoma |
ENIG yakachengeteka kumidziyo yekurapa uye inoshanda zvakanaka munzvimbo dzakaoma. Aya maficha anoita kuti ive sarudzo yepamusoro kune akawanda maindasitiri.
Zano : Shandisa ENIG pakushandisa macircuit anokurumidza kana zvishandiso zvekurapa. Zvakakodzera.
Zvakaipa zve ENIG
ENIG zvakare ine zvimwe zvakaderera zvekufunga nezvazvo. Maitiro ayo ane hunyengeri uye anogona kunonoka kugadzira. Izvi zvinoita kuti idhure kupfuura kupera senge lead-isina HASL.
Panewo njodzi yekuora. Kana iyo goridhe layer ikasaitwa nemazvo, matambudziko akaita se “black pad” anogona kuitika. Izvi zvinogona kuita kuti PCB isavimbike, kunyanya munzvimbo dzakaoma.
Heino tafura yezvakajairika ENIG nyaya:
Nyaya Yemhando | tsananguro |
|---|---|
Zvakaoma kugadzirisa | Iyo ENIG maitiro anogona kunonoka uye kunyengera. |
Ngozi ye ngura | Corrosion inogona kuitika kana kupera kukasaitwa nemazvo. |
Kuvimbika kunetseka | Mamwe mashandisiro anowana ENIG isingavimbike kupfuura mamwe mapeji. |
ENIG zvakare inodhura, saka haisi iyo yakanakisa kune yakasimba mabhajeti. Kune mapurojekiti akachipa, inotungamira-isina HASL inogona kunge iri sarudzo iri nani.
Cherechedza : Kune mapurojekiti asingadhuri kana ari nyore, edza HASL isina mutobvu panzvimbo pezvo.
HASL vs ENIG: Kufananidza Misiyano Yakakosha
Mutengo uye Kukwanisa
Mutengo chinhu chikuru pakusarudza PCB finish. HASL ndeimwe yesarudzo dzakachipa. Maitiro ayo ari nyore uye zvinhu zvakajairika zvinoita kuti ive yakachipa. HASL isina mutobvu yakanakira ma prototypes nemapurojekiti ane bhajeti shoma. Inochengetedza mari ichiri kushanda zvakanaka.
Zvisinei, ENIG inodhura zvakanyanya. Maitiro ayo ane mamwe matanho, sekuwedzera nickel negoridhe. Zvinhu izvi, kunyanya goridhe, zvinokwidza mutengo. Asi mutengo wakakwira unopa mabhenefiti senge nzvimbo yakapfava. Inoshandawo zvirinani pamagadzirirwo akaomarara uye akanyatsojeka. Kana purojekiti yako ichida kunyatsorongeka, ENIG ingangove yakakosha mari yekuwedzera.
Zano : Shandisa HASL isina mutobvu pamapurojekiti akachipa. Sarudza ENIG yemadhizaini emhando yepamusoro.
Kuita uye Kuvimbika
Kushanda zvakanaka kunoenderana nekusungirirwa, kugara kwenguva refu, uye kushanda zvakanaka kwezvikamu. HASL inoshanda zvakanaka asi ine miganhu. Kumusoro kwayo kusina kuenzana kunogona kunetsa zvikamu zvidiki kana marongero akasimba. Asi yakanaka kune magadzirirwo emaburi anoburitswa uye majoini akasimba ekusungirirwa. HASL isina mutobvu inosanganawo nemitemo isingakuvadzi nharaunda, zvichiita kuti ive yakavimbika.
ENIG iri nani pakuita kuti zvinhu zvive zvakarurama uye zvakavimbika. Nzvimbo yayo yakati sandara inoita kuti zvive nyore kusungirira zvinhu zvidiki. Izvi zvakanakira maPCB akakora uye zvishandiso zvemazuva ano. ENIG inodzivirira ngura, zvichibatsira kuti maPCB agare kwenguva refu. Asi kana ikasaitwa nemazvo, inogona kuva nematambudziko akadai sekutadza kushanda zvakanaka kwepad nhema.
Heino kuenzanisa nekukurumidza:
mamiriro | HASL | ENIG |
|---|---|---|
Multiple Soldering Cycles | Zvishoma | Excellent |
Wire Bonding Compatibility | Hazvina kunaka | Excellent |
Uniform Ukobvu | Pasina kukwana | Inopesana |
Kurwisana Kurwisana | eresera | Excellent |
Kuonekwa Kwekuona | Zvakanaka | Excellent |
Black Pad Defects | rova | Possible |
Kushushikana Kwemhepo | Inobata zvakanaka | Inogona kutsemuka |
Cherechedza : Kana paine ngura kana kuti paine zvakawanda zvinosungirirwa, sarudza ENIG.
Kukanganisa kwezvakatipoteredza
Kuchengetedza nharaunda kunokosha pakugadzira maPCB. HASL isina mutobvu inotevera mitemo yeRoHS, ichidzivirira mutobvu une njodzi. Maitiro ayo ari nyore anoshandisa simba shoma uye anogadzira marara mashoma. Izvi zvinoita kuti ive sarudzo yakasvibira kupfuura HASL yekare ine mutobvu.
ENIG hainawo mutobvu uye inosangana nezvinodiwa neRoHS. Asi maitiro ayo anoshandisa makemikari anoda kubatwa nekungwarira. Kunyange zvazvo ENIG ichiita zvakanaka, kugadzirwa kwayo kunogona kukanganisa nharaunda zvakanyanya nekuda kwekuoma kwayo.
Zano : Kuti uwane sarudzo yakasvibira, HASL isina mutobvu iri nyore uye iri nani kune zvakasikwa.
Solderability uye Flatness
Kugona kusonera uye kupfava kwePCB finish kunokanganisa kusangana uye kuvimbika. HASL yakanaka pakusonera, zvichiita kuti ishandiswe zvakanyanya. Kuputira kwesolder kwakanyunguduka kunoita kuti pave nemajoini akasimba, kunyanya kune zvikamu zvine maburi. Asi, nzvimbo dzeHASL dzinogona kunge dzisina kuenzana. Kusaenzana uku kunogona kukonzera matambudziko nezvikamu zvidiki kana mapakeji eBGA . Mapedhi asina kuenzana anogona kukonzera majoini asina kusimba, izvo zvinogona kukanganisa mashandiro ePCB.
HASL isina mutobvu inovandudza HASL yenguva dzose nekunyorova. Ichiri nekugona kukuru kwekusonesa, zvichiita kuti ive yakanaka kumapurojekiti asingadhuri. Zvisinei, kusatana kwayo hakuna kunaka seENIG . ENIG inopa nzvimbo yakati sandara zvakakwana, yakakodzera maPCB emazuva ano ane marongero akasimba. Kusatana kwayo kunovimbisa kubatana kwakaenzana kwesonesa uye kunomisa oxidation. Izvi zvinoita kuti ive yakakwana kune zvikamu zvidiki uye kushandiswa kwepamusoro-soro. Nyanzvi dzinowanzo kurudzira ENIG kune magadzirirwo anoda kunyatsorongeka uye kuvimbika.
Kune marongero ari nyore kana zvikamu zvinopinda nepakati, HASL kana HASL isina mutobvu inoshanda zvakanaka. Kune magadzirirwo epamusoro ane nzvimbo dzakamanikana, ENIG inopa hunhu hwakatsetseka uye hwekunamira hunodiwa.
Zano : Shandisa ENIG pakugadzira maPCB akaomarara kana magadzirirwo eBGA . Kune mapurojekiti akachipa, HASL isina mutobvu isarudzo yakanaka.
Kugadzikana uye Hurefu
Kugara kwenguva refu uye hupenyu hwePCB finish zvinoratidza kuti inogara kwenguva yakareba sei. HASL inopa dziviriro yakasimba kubva kungura uye inogoneka kusungirirwa kwenguva yakareba. Izvi zvinoita kuti ive sarudzo yakanaka yemapurojekiti anochengetwa kwemakore. Asi, HASL ingasaita zvakanaka munzvimbo dzakaoma. Nekufamba kwenguva, ngura inogona kuitika, kunyanya munzvimbo dzine hunyoro. Kuwedzera chifukidziro chekudzivirira kunogona kubatsira kuderedza dambudziko iri.
HASL isina mutobvu inopa kugara kwenguva refu zvakafanana uku ichitevedzera mitemo isingakuvadzi nharaunda. Inobata kupisa kwakanyanya panguva yekunamira, zvichideredza njodzi dzekukanganisika. Kunyange zvakadaro, seHASL yenguva dzose, inogona kusagara kwenguva yakareba seENIG mumamiriro ezvinhu akaoma.
ENIG yakanaka kwazvo pakugara kwenguva refu uye kugara kwenguva refu. Nickel layer yayo inodzivirira mhangura kubva mungura nekusakara. Goridhe layer inowedzera dziviriro, zvichiita kuti PCB irambe ichishanda kwemakore. ENIG yakanaka pakufambisa ndege, mota, uye zvishandiso zvekurapa uko kuvimbika kunonyanya kukosha. Inodzivirira ngura uye inobata mamiriro akaoma, zvichiita kuti ive sarudzo yepamusoro yemagadzirirwo anoshanda zvakanyanya.
Kana purojekiti yako ichida kugara mumamiriro ezvinhu akaoma kana kuti kuchengetedza kwenguva refu, ENIG ndiyo sarudzo yakanakisisa. Kune zviri nyore, HASL kana HASL isina mutobvu isarudzo isingadhuri.
Cherechedza : Kana mamiriro ekunze akanyanya kuipa, ENIG inopa kugara kwenguva refu kwakanakisisa.
Kusarudza iyo Yakarurama PCB Surface Pedzisa Zvaunoda
Zvinhu Zvokufunga nezvazvo (Mutengo, Kushandisa, Vhoriyamu)
Kutora yakanakisa PCB pamusoro pekupedzisira kunoenderana nezvinhu zvitatu zvakakosha: mutengo, kushandisa, uye saizi yekugadzira. Izvi zvinhu zvinokubatsira iwe kusarudza sarudzo yakanaka yeprojekiti yako.
Mutengo : Kugadzirwa kwepamusoro kune mitengo yakasiyana . HASL yakachipa, zvichiita kuti ive yakanaka kumapurojekiti asina mari yakawanda. ENIG inodhura zvakanyanya nekuti inoshandisa goridhe uye maitiro akaomarara. Asi kumapurojekiti epamusoro, ENIG inogona kuchengetedza mari nekuderedza zvikanganiso uye kuvandudza kuvimbika.
Mashandisirwo : Maitiro auri kuronga kushandisa PCB akakosha zvikuru. HASL inoshanda zvakanaka pamagadzirirwo akareruka uye zvikamu zvinopinda nepaburi. ENIG iri nani kune zvinodiwa chaizvo senge zvishandiso zvekurapa, zvemuchadenga, kana macircuit ane mafrequency akakwira.
Vhoriyamu : Hukuru hwekugadzira hunokanganisawo sarudzo yako. HASL iri nyore uye inoshanda zvakanaka pakugadzira kwepakati nepakati. ENIG yakaoma asi inova yakakosha kumapurojekiti makuru, emhando yepamusoro.
Heino kuenzanisa nekukurumidza kukutungamira iwe:
pamusoro Finish | mutengo | Kushandisa Kwakanyanya | Kukura Kwekugadzira |
|---|---|---|---|
HASL | Low | Mapurojekiti ane hushamwari hwebhajeti | Kugadzirwa kwepakati |
ENIG | High | High-tech magadzirirwo | Kugadzirwa kukuru |
OSP | nzira | Zvikumbiro zviri nyore | Kugadzirwa kuduku |
Zano : Kune ma prototypes anodhura zvishoma, HASL isarudzo yakangwara. Kune magadzirirwo chaiwo, ENIG yakakodzera mutengo wekuwedzera.
Yakanakisa Sarudzo yeVatengi Electronics
Zvishandiso zvemagetsi zvevatengi zvinoda mafinishi anoenzanisa mutengo nekushanda. Zvishandiso zvakaita semafoni, malaptop, uye zvinopfekwa zvinowanzoshandisa maPCB madiki, akakora. ENIG ndiyo sarudzo yepamusoro pano nekuti yakati sandara, inosundwa zvakanaka, uye inogara kwenguva refu. Inoita kuti zvikamu zvidiki zvibatane zvakanaka uye inotsigira masaini anokurumidza.
Kune zvishandiso zviri nyore, HASL ichiri sarudzo yakanaka. Yakachipa uye inogadzira majoini akasimba ekusolder. Zvishandiso zvakaita semakarukureta kana maremote anowanzo shandisa HASL kuchengetedza mari.
Heano maitiro ekupedzisa kuita muvatengi zvemagetsi:
pamusoro Finish | Benefits | Downsides |
|---|---|---|
ENIG | Kuvimbika, flat, kwenguva refu | dhura |
HASL | Yakachipa, iri nyore kugadzirisa | Zvisina kuenzana, kwete zvezvikamu zvidiki |
OSP | Eco-hushamwari, isina chepfu | Hupenyu hupfupi hwesherufu |
Kunyudza Sirivha | Flat, solders zvakanaka | Inogona kukanganisa |
Cherechedza : Kune zvishandiso zvemhando yepamusoro, ENIG inokosha. Kune zvishandiso zvisina muripo, HASL isarudzo iri nani.
Yakanakisa Sarudzo Yepamusoro-Kuita Zvikumbiro
Mapurojekiti anoshanda zvakanaka anoda magadzirirwo akasimba, akarurama, uye akavimbika. ENIG ndiyo sarudzo yakanakisisa kune izvi zvinodiwa. Nzvimbo yayo yakati sandara inobatsira pakurongeka kwakasimba, uye zvidimbu zvayo zve nickel negoridhe zvinomisa ngura uye zvinogara kwenguva refu. Izvi zvinoita kuti ENIG ive yakakodzera kune vanofamba nendege, mota, uye zvishandiso zvekurapa uko kukundikana kusiri sarudzo.
Kana iwe uchida yakakwirira conductivity, Immersion Silver imwe sarudzo yakanaka. Yakanakira maseketi ekukurumidza uye zvemagetsi zvemotokari asi inoda kuchengetedza nekungwarira kudzivirira kusvibisa.
Heino pfupiso yekupedzisa kwemapurojekiti epamusoro-soro:
pamusoro Finish | zvayakanakira | nezvayakaipira | Zvakanakisa Zvishandiso |
|---|---|---|---|
ENIG | Yakatsetseka, isingaite ngura, yakasimba | Zvinodhura, njodzi yepedhi nhema | Aerospace, maturusi ekurapa, mota |
Kunyudza Sirivha | Conductive, inogara kwenguva refu | Tarnishes nyore | Fast circuits, mota dzemagetsi |
OSP | Zvakachipa, hapana ndebvu dzerata | Hupenyu hupfupi, kwete hwakaoma | Mapurojekiti ebhajeti, zvishandiso zviri nyore |
Zano : Kune mapurojekiti akakosha, ENIG inopa kunyatsojeka uye kugara kwenguva refu kwaunoda. Kuti ushandise simba remagetsi, edza kunyudza sirivha.
Yakanakisa Sarudzo yePrototyping uye Budget Projects
Pakugadzira ma prototypes kana kushanda pamapurojekiti asingadhuri, kusarudza PCB surface finish yakakodzera kunogona kuchengetedza nguva nemari. Ma prototypes anowanzo sanganisira kuyedza mazano, kuchinja, uye kugadzira huwandu hushoma. Kuti uite izvi, unoda finish yakachipa, iri nyore kushandisa, uye yakavimbika kune zvinodiwa kwenguva pfupi. Heino chikonzero nei HASL neHASL isina lead dziri sarudzo dzakanaka.
Nei HASL Ichishanda Zvakanaka kune Prototyping
HASL (Hot Air Solder Leveling) ndeimwe yeanodhura anopedza. Mutengo wayo wakaderera unoita kuti ive yakanaka yekuyedza madhizaini pasina kushandisa yakawandisa. Heino chikonzero nei HASL iri sarudzo yakanaka yeprototypes:
Mutengo Wakaderera : HASL yakachipa zvikuru. Izvi zvinokutendera kuti ushandise mari yakawanda pazvikamu kana maturusi ekuyedza.
Zviri Nyore Kugadzirisa : Maprototypes anowanzo da kuchinjwa. Rutivi rwekusolder rweHASL runoita kuti kugadzirisa kuve nyore.
Kugadzira Nokukurumidza : Maitiro eHASL anokurumidza uye anowanikwa kwose kwose. Izvi zvinobatsira kusangana nenguva dzakaoma.
Yakanakira Zvikamu Zvinopinda Mumaburi : Mapuroteni mazhinji anoshandisa zvikamu zvinopinda mumaburi. HASL inoshanda zvakanaka nezvikamu izvi.
Zano : Kune ma prototypes ane bhajeti shoma, HASL inokwanisika uye inokwanisika.
Inotungamira-Yemahara HASL yeGreen Prototyping
Kana chirongwa chako chichifanira kutevedzera eco-hushamwari mitemo, lead-isina HASL isarudzo yakangwara. Inopa mabhenefiti akafanana neHASL yenguva dzose asi inoshandisa zvinhu zvakachengeteka. Kunyange ichida kupisa kwepamusoro kwekutengesa, ichiri kushanda zvakanaka kune prototypes.
mamiriro | HASL | Inotungamira-Yemahara HASL |
|---|---|---|
mutengo | Very yakaderera | Kukwirira zvishoma |
Kukanganisa kwezvakatipoteredza | Ine lead | Eco-friendly |
Soldering Temperature | Pasi | Yakakwirira |
Kushandisa Kwakanyanya | Basic prototypes | Green mapurojekiti |
Nei ENIG Ingasave Yakanakira Prototyping
ENIG (Electroless Nickel Immersion Goridhe) inoita-pamusoro-soro asi haina kunaka kune prototypes kana mapurojekiti anodhura. Mutengo waro wepamusoro uye maitiro akaoma anoita kuti isanyanya kushanda kune diki-diki basa. Nekudaro, kana prototype yako iine zvimiro zvakaomesesa kana inoda chaiyo solder, ENIG inogona kunge ichiri yakakodzera kufunga.
Cherechedza : Kune akawanda ma prototypes, HASL yakachipa uye iri nyore kupfuura ENIG.
Pfungwa dzekupedzisira paBudget Projects
Kune mapurojekiti ebhajeti, kuchengetedza mutengo wakaderera uye maitiro ari nyore kwakakosha. HASL uye HASL isina lead inosangana nezvido izvi nemazvo. Ivo vanopa yakanaka soldering, kukurumidza kugadzira, uye nyore kugadzirisa nemutengo wakaderera. Kana iwe uri kuyedza mazano kana kugadzira mabhechi madiki, izvi zvinopedzisa zvinokubatsira kuchengetedza mari pasina kurasikirwa nemhando.
Chiyeuchidzo : Funga nezvezvinodiwa neprojekiti yako. Kunyange hazvo HASL yakanakira akawanda maprototypes, ENIG ingangonyatsokodzera magadzirirwo epamusoro.
Kusarudza pakati peHASL neENIG zvinoenderana nezvinodiwa neprojekiti yako. HASL yakachipa uye inosonesa zvakanaka, zvichiita kuti ive yakanaka kune ma prototypes. ENIG yakasimba, yakati sandara , uye inoshanda nezvidimbu zvidiki, yakakodzera magadzirirwo epamusoro.
Heino kuenzanisa kuri nyore:
Parameter | HASL | ENIG |
|---|---|---|
mutengo | Low | High |
mukurumari | Kugona | Excellent |
Planarity | Pasina kukwana | Yakanyanya kutsvuka |
Yakanaka Pitch Kuenderana | Zvishoma (> 0.5mm Pitch) | Hukuru (<0.3mm Pitch) |
Shelf Life | 6-12 mwedzi | 12-18 mwedzi |
Funga nezvezvinhu izvi pakusarudza:
Mutengo: HASL inodhura zvishoma, inenge $0.10-$0.30 pa sikweya inch. ENIG inodhura zvakawanda, inenge $0.30-$0.60 pa sikweya inch.
Mashandisirwo: HASL inokodzera magadzirirwo akareruka. ENIG inoshanda zvakanyanya pamarongero akasimba uye zvishandiso zvakakosha.
Kushanda: ENIG inodzivirira ngura uye inogara yakavimbika kwenguva yakareba.
Zano: Sarudza nekuchenjera bhajeti yako, rudzi rwemagadzirirwo, uye kugara kwenguva refu.
FAQ
Chii chinoita kuti HASL isiyane neENIG?
HASL inopfekedza PCB ne solder yakanyungudutswa. ENIG inoshandisa nickel negoridhe layers. HASL yakachipa asi haina kuenzana, saka haina kunaka kune dzakasimba dhizaini. ENIG yakatsetseka uye chaiyo, yakanakira mapurojekiti epamberi.
Ndeipi kupera kunoshanda zvakanyanya kune zvidimbu zvidiki?
ENIG yakanakira zvikamu zvidiki. Nzvimbo yayo yakatsetseka inobatsira nekutengesa kwakaringana uye kubatanidza kwakasimba. HASL's isina kuenzana coating inogona kukonzera matambudziko munzvimbo dzakamanikana kana nezvikamu zvidiki.
HASL isina lead-isina yakachengeteka kune nharaunda?
Ehe, isina-lead-isina HASL inotevera mitemo yeRoHS uye inodzivirira inokuvadza lead. Isarudzo yakachengeteka uye yakasvibira kana ichienzaniswa neyekare inotungamirwa HASL kupera.
HASL inogona kushandiswa kune yakakwira-frequency maseketi?
HASL haisiyo yakanakira macircuit ane mafrequency akawanda . Nzvimbo yayo isina kuenzana inogona kukanganisa masignal. Rutivi rwegoridhe rwakatsetseka rweENIG runochengetedza masignal akajeka, zvichiita kuti ive sarudzo iri nani.
Ndinosarudza sei kupera kwakakodzera kweprojekiti yangu?
Funga nezvebhajeti yako, dhizaini, uye zvaunoda. HASL yakanakira mapurojekiti akachipa kana akapusa. ENIG iri nani kune chaiyo, yakasimba, kana dense dhizaini ine zvikamu zvidiki.
Zano : Enzanisa kupedzisa nezvinodiwa neprojekiti yako kuti uwane mhedzisiro yakanaka.
