Gwaro reAluminium LED PCB Factory Process

Mainjiniya mazhinji anogamuchira aruminiyamu LED PCB sepaneru yakapedzwa uye havaoni zvakaitika pairi pakati pekutumira mafaira eGerber nekutumira. Musiyano iwoyo unokosha, nekuti sarudzo dzinoitwa panguva yekugadzira — dielectric pressing temperature, drilling speed, solder mask chemistry, panel utilizing — zvinoonekwa mukushanda kwekupisa kwebhodhi, kuvimbika kwe isolation, uye assembly goho. Chinyorwa chino chinofamba nepamusoro pekugadzirwa kwefekitori yearuminiyamu LED PCB uye chinotsanangura kuti danho rega rega rinounza njodzi kana mhando yemhando.

Kusiyana Kwakaita Fekitori yeAluminium LED PCB neStandard PCB Shop

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1. Kusiyana Kwakaita Fekitori yeAluminium LED PCB neStandard PCB Shop
2. Nhanho neNhanho: Kuyerera kwekugadzirwa kweAluminium LED PCB
3. Kushandiswa kwePanel uye Mhedzisiro Yayo paMutengo weYuniti
4. Maitiro eAOI neMagetsi Ekuyedza Mabhodhi eMetal Core
5. Kugona Kuburitsa Zvinhu paHighleap Electronics
6. Maitiro Ekuti Zvisarudzo zveFekitori Zvinoratidzwa Sei Mumutsetse Wenyu Wegungano
7. FAQ

Musiyano wacho hausi wekushongedza. Zvinhu zvitatu zvakakosha zvinoparadzanisa simbi kubva pakushanda kweFR-4:

Kuboorera : Aluminum alloy inokwesha kana kukwesha maturusi ecarbide. Mafekitori anoshandisa aluminum pachirongwa chimwe chete che drill neFR-4 anoona accelerated bit wear, maburi makuru, uye maburi ekubuda. Mitsetse yealuminum LED PCB yakatsaurirwa inoshandisa PCD (polycrystalline diamond) tooling kana modified carbide geometries ine mwero wakaderera wefeed rates.

Lamination : Chikamu che dielectric chiri pakati pe copper foil nearuminiyamu ipolymer composite inofambisa kupisa, kwete standard prepreg. Inoda chimiro chakasiyana che cure profile — tembiricha, kumanikidzwa, uye nguva yekubata inoenderana ne dielectric's Tg uye resin flow behavior. Kusawirirana kunogadzira voids, complete bonding, kana thickness variation, chimwe nechimwe chazvo chinoparadza thermal conductivity uye breakdown voltage.

Masiki yeSolder : Kunamatira kweLPSM (liquid photoimageable solder mask) paaruminiyamu hakuvimbike kana pasina kugadzirira pamusoro. Mafekitori asingashandise matanho ekugadzirisa pamusoro pemasiki kana kemikari asati ashandisa mamasiki anogadzira mabhodhi apo mask yesolder inodonha panguva yekudzoreredza kana kukwegura kwekupisa. Ongorora matambudziko akajairika ekugadzira MCPCB kuti unzwisise kuti nzira iyi yekukundikana inoonekwa kangani mukudzoka kwemunda.

Nhanho neNhanho: Kuyerera kwekugadzirwa kweAluminium LED PCB

Danho 1 — Kuongorora zvinhu zviri kuuya Aluminum base stock inoongororwa kuti ionekwe kuti ine alloy grade (kazhinji 1050 kana 5052), kutsungirira ukobvu, uye mamiriro epamusoro. Dielectric rolls inosimbiswa zvichienderana nezvinodiwa pakutenga — thermal conductivity grade, dielectric constant, uye breakdown voltage pa lot.

Danho rechipiri — Kugadzirira laminate yakaputirwa nemhangura. Kune mabhodhi ane layer imwe chete, hwaro hwearuminiyamu hunosvika hwakabatanidzwa kare kune dielectric ne copper foil sesimbi core PCB laminate . Kune zvinodiwa zve custom thermal conductivity kana non-standard aluminium gauges, fekitori inosunga stack iri mumba ichishandisa lamination press.

Danho rechitatu — Kufungidzira uye Kucheka. Chigadziko chemhangura chakaputirwa ne photoresist, chakaiswa pachena kuburikidza ne photomask inoenderana ne circuit pattern, uye chakachekwa nemakemikari. Hwaro hwearuminiyamu hunofanira kuchengetedzwa zvizere panguva yekucheka - chero electrolyte inobatana nearuminiyamu inokonzera ngura. Kuvhara mapaneru uye dhizaini yeraki zvakakosha padanho iri.

Danho rechina — Kuboorera maburi ekubatanidza kana hardware yekumisikidza kunoboorwa nemidziyo yealuminium-rated tooling. Mazhinji maPCB ealuminium LED e single-layer haaboorwi ma signal vias — maburi emakanika chete. Zvinhu zvekupinda nekuchengetedza panel zvinosarudzwa kuderedza kuputika kwealuminium pakubuda kwegomba.

Danho rechishanu — Kuisa mapoinzi paV uye kuronga mapaneru . Mapaneru anoiswa mapoinzi kana kurongwa muzvikamu zvebhodhi rega rega. Kona yebanga reV-scoring uye kudzika kwaro zvinoongororwa kuti zvienderane nearuminiyamu. Kudzika kwemapoinzi kusina kukwana kunokonzera kutadza kubuda kwepaneru; kudzika kwakanyanya kunoderedza simba rearuminiyamu pamutsetse wemapoinzi uye kunounza njodzi yekudonha kwepage.

Danho 6 — Kuisa pamusoro pechinhu ENIG, LF-HASL, kana OSP kunoiswa pamapedhi emhangura chete, kwete pasi pearuminiyamu. Maskant nedhizaini yechinhu zvinodzivirira kemikari yepamusoro pechinhu kutadza kubata aruminiyamu. Ongorora sarudzo dzepamusoro pechinhu chemaPCB earuminiyamu eLED uye kuti chimwe nechimwe chinokanganisa sei kugona kusunganidzwa, kugara kwenguva refu, uye kuenderana kweSMT assembly.

Danho rechinomwe — Masiki inosonerwa Mushure mekugadzirira pamusoro (mechanical scrub kana microetch), mask inosonerwa inotorwa nemufananidzo inoiswa, inoonekwa, uye inogadzirwa. Tembiricha yekupisa inofanira kugara pasi petembiricha yepamusoro ye dielectric — kazhinji 150–160°C — kudzivirira kuora kweproperty ye dielectric.

Danho 8 — Kuyedzwa kwemagetsi uye hi-pot Bhodhi rega rega rinoedzwa kuti rirambe riripo uye rakapatsanurwa. Kuyedzwa kwehi-pot kunoshandisa 1500–3000 V AC kana DC pakati pedenderedzwa remhangura nechigadziko chearuminiyamu kuti vaone kuti dielectric yakasimba. Mabhodhi anokundikana hi-pot anoraswa — hapana nzira yekugadzirisa dielectric breakdown.

Danho 9 — Kuongorora kwekupedzisira uye kurongedza AOI kunoongorora kuvharwa kwemask ekusolder uye geometry yemapedhi. Kuongorora kwemaziso kunoongorora kusakwana kwepadenga, mhando yemucheto, uye kuverengeka kwezviratidzo. Mabhodhi anoputirwa mumabhegi anodzivirira static ane desiccant, akaiswa mufuro kana bubble wrap kudzivirira mupendero wearuminiyamu kuti usakuvadze mabhodhi ari pedyo.

Kushandiswa kwePanel uye Mhedzisiro Yayo paMutengo weYuniti

Maitiro anoita fekitari pabhodhi rako anosarudza zvakananga kushanda zvakanaka kwezvinhu uye mutengo wepayuniti. Module ye LED ine sikweya inokodzera panel yearuminiyamu ine rectangular isina marara akawanda; LED yakatenderera inogona kugadzira zvidimbu zve30–40% kana panelization isina kugadziriswa kuburikidza nekutenderera nekuvaka matendere.

Highleap Electronics inoita kuti pave nekugadzirisa ma panelization pane zvese zvinorayirwa, uye hurongwa hwePCB panelization hunogovaniswa nevatengi sechikamu chegwaro rekotesheni kuitira kuti chikamu chemutengo wezvinhu chive pachena.

Maitiro eAOI neMagetsi Ekuyedza Mabhodhi eMetal Core

Kuongorora otomatiki kwemaziso paaluminium LED PCBs kunofukidza:

• Chifukidziro chemasiki chinofukidza zvisaririra zvemhangura uye chakakomberedza maburi epedhi
• Kuenderana kwegeometry yePad nedata reGerber
• Kunyoresa silkscreen
• Mupendero webhodhi uye mhando ye slot

Kuongorora X-ray kunowanikwa asi hazviwanzodiwa pa single-layer LED PCBs dzealuminium kunze kwekunge zvikamu zvine magumo akavanzwa (QFN LED drivers) zvabatanidzwa. Gedhi remhando yepamusoro re bare aluminum LED PCBs i hi-pot test, iyo isingatsiviwe ne optical inspection.

Kugona Kuburitsa Zvinhu paHighleap Electronics

Highleap inoshandisa simba rayo rekugadzira reMCPCB pamwe chete nemitsetse yeFR-4 uye inochinjika yePCB . Kuburitswa kwePCB yealuminium pamwedzi kunodarika mapaneru zviuru makumi mashanu (50,000 pane zvinodiwa zvakajairwa). Kugadzirwa nekukurumidza kweNPI uye mainjiniya kunowanikwa pane akawanda maPCB ealuminium LED ane nguva yekushanda yemazuva mashanu kusvika manomwe.

Maitiro Ekuti Zvisarudzo zveFekitori Zvinoratidzwa Sei Mumutsetse Wenyu Wegungano

Zvinhu zvina zvinochinja zvakananga kugadzirwa kweSMT assembly yako paaruminiyamu LED PCBs:

1. Kusiyana kweukobvu hweDielectric: mapuranga ane ukobvu kunze ±10% akakombama panguva yekuyererazve, zvichiita kuti padhi ivhurike
2. Surface finish kufanana: Kusawirirana kweHASL kunokonzera kubatana pamapedhi madiki e LED; ENIG kubva mukugeza kusingadzoreki kunoratidza ngura ye nickel iyo inodzivirira kunyorova
3. Solder mask kunyoresa: Mask yakanyoreswa zvisirizvo inoburitsa mhangura kunze kwenzvimbo yakatarwa, zvichikonzera mabhurugwa mapfupi anosonerwa
4. Kuputika pamaburi ekuboorera: maburi earuminiyamu asina kucheneswa anogadzira nzira dzepfupi kana mapuranga akaiswa pamadziro earuminiyamu ane zvinosunga zvinofambisa mhepo

Kukurukura nezvezvinhu izvi nefekitori yako usati wagadzira — kwete mushure mekusangana kwekutanga — ibasa rekuongorora kweDFM zvakanangana nekugadzira kweMCPCB.

FAQ

Ndezvipi zvinhu zvealuminium zvinoshandiswa muaruminiyamu LED PCB bases? 1050 (99.5% pureness) uye 5052 (Al-Mg alloy) ndizvo zvinonyanya kuwanikwa. 1050 inopa conductivity yekupisa iri nani zvishoma (~220 W/m·K). 5052 ine simba rakawanda rekudhonza uye inodzivirira ngura zviri nani, zvichiita kuti ifarirwe pakushandisa chiedza chekunze. 6061 inoshandiswa pakugadzira magadzirirwo eheatsink-PCB hybrid.

Sei kuyedzwa kwe hi-pot kuchidikanwa pa aruminiyamu LED PCBs? Aruminiyamu base ine chassis potential muzvishandiso zvakawanda zve LED. Kuparara kwe dielectric pakati pe copper circuit ne aruminiyamu base kunokonzera kupfupika kwe electrical to chassis - njodzi yekuchengetedza uye kutadza kwechigadzirwa nekukurumidza. Kuyedzwa kwe hi-pot pa 1500–3000 V kunosimbisa kuti dielectric layer inopa kupatsanurwa kwakavimbika pa operating voltage pamwe ne margin.

Ndeipi nguva yakajairika yekugadzira aruminiyamu LED PCB? Zvakajairika (1-layer, 1.0–1.6 mm aruminiyamu, ENIG kana HASL surface finish): Mazuva 7–10 ekushanda ehuwandu hwekugadzira. Kumhanya kweNPI: Mazuva 5–7 ekushanda. Magiredhi e dielectric akagadzirwa kana ukobvu hwearuminiyamu husina kuenzana hunogona kuwedzera mazuva 3–5 ekushanda ekutenga zvinhu.

MaPCB e LED ealuminium anogona kuunganidzwa mumutsara mumwe chete weSMT nemabhodhi eFR-4 here? Ehe, nekugadziriswa. Hwaro hwealuminium hune huremu hwakanyanya hwekupisa kupfuura FR-4, saka kumhanya kwekufambisa oven uye temperature settings zvinoda kugadziriswa kuti zvisvike pakupisa kwakaenzana. Mafekitori ane ruzivo mukugadzira PCB yealuminium anogona kuchengetedza ma profiles akasiyana ekupisa emabhodhi esimbi.