Chii chinonzi Aluminium PCB?

Dzinozivikanwa nekusimba kwadzo uye kushanda zvakanaka, maPCB ealuminium ave musimboti mukugadzirwa kwemagetsi emazuva ano. Iyi blog inotarisa munyika yakaoma yePCB dzealuminium, ichiratidza kukosha kwadzo, mabhenefiti adzo, uye mashandisirwo adzo akasiyana-siyana.

Chii chinonzi Aluminium PCB?

Aluminium PCB inopfuura kungogara bhodhi redunhu. Iyo yakaomesesa yemagetsi substrate inosanganisa chigadziko chesimbi, kazhinji aruminiyamu, ine yakajairwa FR-4. Iko kubatanidzwa kwealuminium kunopa yakasarudzika musanganiswa wekupisa conductivity uye magetsi ekudzivirira, achiisa parutivi kubva kune echinyakare maPCB. Ichi chikamu chinoongorora maumbirwo emhando anoita kuti aluminium PCBs ive sarudzo yakasarudzika mukupisa-kupisa kwekushandisa.

Aluminium PCB chimiro

1. Aluminium Layer

Material: Iyo base layer yealuminium PCB inogadzirwa kubva kune aruminiyamu alloy. Sarudzo yealloy inogona kusiyanisa zvichienderana nekushandisa asi inowanzo sarudzwa nekuda kwayo yakanakisa yekupisa conductivity uye simba remuchina.
Basa: Iyi nhanho inoshanda sehwaro hwePCB, ichipa kuomarara kwechimiro. Basa rayo rekutanga nderekubvisa kupisa kubva kune zvakakosha zvikamu, nekudaro kuderedza tembiricha yekushandisa uye kuwedzera hupenyu hwechigadzirwa.

2. Thermal Insulation Layer

Maumbirwo: Iyi dhizaini inoumbwa neceramic polymer zvinhu ine yakakwira kupisa kupisa uye yakanakisa yekupisa conductivity. Inoshanda se dielectric, ichipa magetsi ekudzivirira pakati pealuminium base uye yemhangura yedunhu.
Basa: Inonyatso shandura kupisa kubva pamhangura yemhangura kusvika kune aruminiyamu base uku ichichengetedza magetsi ega. Iyi layer yakakosha pakudzivirira kushushikana kwekupisa uye kuchengetedza kutendeseka kwedunhu.

3. Circuit Layer (Copper Layer)

Material: Dunhu redunhu rakagadzirwa nemhangura, inozivikanwa nekunaka kwayo magetsi conductivity. Ukobvu hwemhangura hunogona kusiyana zvichienderana nezvinodiwa zvekushandisa-kubva pachiyero 1 oz paskweya tsoka kusvika kune huremu hwepamusoro hwekuwedzera ikozvino kutakura.
Basa: Iyi dhizaini ine dunhu rakadhindwa, rinosanganisira ma trace, ma pads, uye vias zvinoumba kubatanidza kwemagetsi pakati pezvikamu. Ndiko kunotsanangurwa kushanda kwemagetsi kwePCB.

4. Solder Mask Layer

Maumbirwo: Pamusoro pemhangura yemhangura, solder mask inoiswa, inova yakasvibira epoxy layer asi inogona kuuya mune mamwe mavara. Iyi danda inodzivirira mhangura kubva kune oxidation, inopa insulation pakati pemhangura yemhangura uye zvimwe zvikamu zvesimbi, uye inodzivirira solder mabhiriji panguva yechikamu soldering.
Basa: Inotsanangura nzvimbo idzo soldering inoitirwa kubatanidzwa kwechikamu, kuchengetedza yakasara yemhangura pamusoro kubva netsaona solder bhiriji uye ngura.

5. Silkscreen Layer

Material: Iyi sarudzo inoiswa pamusoro peiyo solder mask layer uye inoshandiswa kudhinda zvinyorwa nezviratidzo (sezvikamu zvinyorwa uye nzvimbo dzekuyedza) kubatsira mukuunganidza uye kugadzirisa matambudziko.
Basa: Inopa ruzivo rwakakosha rwekuunganidza, kuyedza, uye kushandira iyo PCB.

Benefits Aluminium PCBs

MaAluminium PCBs akachinja indasitiri yemagetsi neayo akasarudzika zvinhu. Ivo vanopa zviuru zvezvakanakira pamusoro pechinyakare matunhu mabhodhi, zvichiita kuti ive sarudzo inosarudzika kune akasiyana epamusoro-kuita maapplication. Ichi chikamu chichaongorora mabhenefiti akawanda ealuminium PCBs, achisimbisa maitiro avo pakubudirira uye kuvimbika kwemidziyo yemagetsi.

Superior Heat Dissipation

Imwe yemabhenefiti ekutanga ealuminium PCB kugona kwavo kuburitsa kupisa zvakanaka. Kusiyana neyakajairwa fiberglass mabhodhi, aluminium inopa iri nani yekupisa nzira. Iyi ficha yakakosha kune yakakwirira-simba magetsi emagetsi, sezvo ichibatsira kuchengetedza yakanyanya tembiricha yekushanda, nekudaro ichiwedzera hupenyu hwezvikamu. Chikamu chichaongorora sainzi kuseri kweiyi yepamusoro yekupisa manejimendi uye kuti inoshandura sei kuita zvirinani kuita kwese kwemidziyo yemagetsi.

Thermal kuwedzera

Kuwedzera kwekupisa uye kuputika ndiwo maitiro akajairika emidziyo, uye zvinhu zvakasiyana zvinotakura zvakasiyana-siyana zvekuwedzera kwemafuta coefficients. Iye zvino maAluminium PCBs akanakisa mukupisa kupisa, saka, kuwedzera kwekupisa uye matambudziko ekumisikidza kwebhodhi repamusoro zvikamu zvinogona kuderedzwa zvakanyanya kuburikidza nekugara uye kuvimbika kwese magetsi nemagetsi midziyo. Iyi mukana wealuminium PCBs inonyanya kukodzera SMT (Surface Mount) (tekinoroji yekumisikidza) yekuwedzera yekupisa uye nyaya dze contraction.

Ndeiya yakaita kugadzikana

Aluminium-based Printed Circuit Boards (PCBs) inoratidza kugadzikana kwakasiyana-siyana pasi pekunetseka kwekupisa, hunhu hwakakosha kune dzakasiyana siyana-tembiricha yekushandisa. Dimensional stability (Dimensional Stability) zvinoreva kugona kwechinhu kuchengetedza mativi acho kana paine shanduko yetembiricha kana mwando. Kune aluminium-based PCBs, ichi chivakwa chinonyanya kukosha. Kana maPCB aya akaiswa kune yakakura tembiricha yemhando, kubva pa30°C kusvika pa140°C kana 150°C, anoona shanduko shoma yedimensional, kazhinji chete ingangoita 2.5% kusvika 3.0%.

Classification yeAluminium PCBs

1. Universal Aluminium PCB

Dielectric Layer Composition: Iyo dielectric layer mune universal aluminium PCBs inowanzogadzirwa kubva epoxy girazi fiber prepreg. Ichi chinyorwa chinozivikanwa nokuda kwezvakanaka zvekudzivirira uye simba remagetsi.

Zvishandiso: Nekuda kwehunhu hwawo hwese-chinangwa, maPCB ealuminiyamu epasi rose anoshandiswa mumhando dzakasiyana siyana dzekushandisa, kusanganisira zvemagetsi zvevatengi, mwenje we LED, uye midziyo yemagetsi iri nyore. Vanopa mhinduro inodhura yemapurojekiti anoda kudzima kupisa kwakanaka asi asingashande pasi pekupisa kwakanyanya kana magetsi.

Yakakwira Thermal-Conductive Aluminium PCB

Dielectric Layer Composition: Iyi mhando yealuminium PCB inoshandisa dielectric layer inoumbwa ne epoxy resin kana mamwe marudzi eresin ane yakakwirira yekupisa conductivity. Iyo yakakwidziridzwa yekupisa conductivity yedielectric layer inobvumira kuti iwedzere kunyatsopisa kupisa kubva kune zvemagetsi zvikamu kune iyo aluminium base plate.

Zvishandiso: High thermal-conductive aluminium PCBs yakanakira kushandiswa kwesimba repamusoro, semagetsi emagetsi, masisitimu emotokari, uye kupenya kwakanyanya kwe LED. Kugona kwavo kunyatso gadzirisa kupisa kunoita kuti ive yakakodzera kune zvishandiso zvinoburitsa huwandu hwakakura hwesimba rekupisa, kuve nechokwadi chekuvimbika uye hupenyu hurefu.

Yakakwira-Frequency uye Microwave Aluminium PCB

Dielectric Layer Composition: Iyo dielectric layer mune aya maPCB inogadzirwa kubva ku polyolefin resin kana polyimide resin girazi fiber prepreg. Zvishandiso izvi zvinosarudzirwa yavo yakaderera dielectric kugara uye kurasikirwa, izvo zvakakosha zvivakwa zvepamusoro-frequency uye microwave application.

Zvishandiso: High-frequency uye microwave aruminiyamu PCBs akagadzirirwa chaizvo kushandiswa muRF (Radio Frequency), microwave, uye yakakwirira-kumhanya dhijitari application. Izvi zvinosanganisira radar masisitimu, antennas, uye RF amplifiers. Iyo yakaderera dielectric inogara uye kurasikirwa kweiyo dielectric zvinhu zvinobatsira kudzikisira chiratidzo, zvichiita kuti maPCB aya ave akanaka kune zvikumbiro zvinoda kutendeseka kwechiratidzo chepamusoro.

Zvishandiso zveAluminium PCBs

Aluminium Printed Circuit Boards (PCBs) yakakosha kumagetsi emazuva ano nekuda kwekugona kwavo kuburitsa kupisa zvinobudirira, nekudaro kudzivirira zvikamu zvemagetsi kubva pakupisa. Izvi zvinoita kuti vatsvakwe zvakanyanya mumashandisirwo uko kudziya kwekutonga kwakakosha. Pazasi pane dzimwe dzekutanga nzvimbo dzekushandisa dzeAluminium PCBs, dzichiratidzira kugona kwavo kwakasiyana-siyana uye basa rakakosha mumaindasitiri akasiyana:

1. Chiratidzo Beacons:

Aluminium PCBs anoshandiswa mumasaini mabhekoni nekuda kwekugara kwawo uye kusimba kwekupisa kupisa, kuve nechokwadi chekushanda kwenguva refu kunyangwe pasi pekushanda kunoramba kuchiitwa.

2. Kuvhiya Mwenje Zvishandiso:

Mumashandisirwo ekurapa, kunyanya maturusi ekuvhenekesa ekuvhiya, maAluminum PCB anofarirwa nekuti anogona kuchengetedza tembiricha inotonhorera, kuve nechokwadi chekushanda kwakachengeteka panguva yekuvhiya kwenguva refu.

3. Mafambisirwo eMagetsi:

Kugona kwavo kubata tembiricha yakakwira inoita kuti maaluminium PCB ave akanaka kune masisitimu ekufambisa magetsi, ayo anowanzo gadzira huwandu hwakakura hwekupisa.

4. High-simba Scanners:

Inoshandiswa mumagetsi epamusoro-soro, maAluminium PCB anovimbisa kuti zvishandiso zvinoramba zvakatonhorera uye zvinoshanda nemazvo, zvichideredza njodzi yekupisa uye kukuvadzwa kwezvinhu zvinonzwisisika zvekuongorora.

5. Automotive Dashboards:

Aluminium PCBs anowanzo kuwanikwa mumadhidhibhodhi emotokari, kwaanobatsira mukushanda uye hupenyu hurefu hwemagetsi ekuratidzira uye zvinodzora.

6. Mukati Mwenje:

Yavo yakanakisa kupisa kupisa midziyo inoita kuti aluminium PCBs ive yakakwana kune yemukati yekuvhenekesa application, kusanganisira yekugara, yekutengesa, uye maindasitiri marongero.

7. Magetsi eMagetsi:

Mumagetsi ekushandura, aluminium PCBs inobatsira kugadzirisa kupisa kunogadzirwa panguva yekushandura, kuve nechokwadi chekushanda kwakanaka uye kudzivirira kukuvara kwekupisa.

Medical Operating Theater Lighting:

Zvakafanana nematurusi ekuvhiya ekuvhenekesa, aluminium PCBs mukushanda kwetiyeta mwenje inopa inodiwa yekudziya manejimendi kuchengetedza yakakwana yekuvhenekesa mamiriro pasina kupisa.

Landscape Lighting:

Zvekunze zvekushandisa senge landscape lighting, maAluminum PCB anopa kusimba kunodiwa uye kupisa kupisa kuti kumire kwakasiyana mamiriro ekunze uku uchiona kushanda kwemwenje kunoenderana.

Muswe Light Assemblies:

Muindasitiri yemotokari, maAluminium PCB anoshandiswa mumagungano emwenje emuswe kuitira kugona kwavo kudzima kupisa zvakanaka, kuve nechokwadi chekuti mwenje unoshanda zvakachengeteka pamazinga akajeka ekupenya.

Dhizaini Mafungiro eAluminium PCBs

Kugadzira aluminium PCBs kunosanganisira seti yezvakasiyana zvekufunga kuti ive nechokwadi chekuita kwavo kwakanyanya uye kuvimbika. Tichifunga nezvekuvaka kwavo kwakasarudzika uye kushandiswa munzvimbo dzakasiyana-siyana dzinodiwa zvakanyanya, kutarisisa kune ruzivo rwekugadzira kwakakosha. Ichi chikamu chinotarisa mune zvakakosha zvinhu izvo vagadziri vanofanirwa kufunga nezve kana vachishanda nealuminium PCBs.

Thermal Management uye Heat Transfer

Kushanda kwemafuta manejimendi ndiro dombo repakona realuminium PCB dhizaini. Chinangwa chikuru ndechekufambisa kupisa kubva kune zvakakosha, basa iro aluminium inonyatsokodzera nekuda kwekukwirira kwayo kwekushisa. Ichi chikamu chichakurukura kuti vagadziri vanogona sei optimize kupisa kutamisa kuburikidza nehurongwa marongerwo ehurongwa, thermal vias, uye sarudzo yakakodzera ye insulating zvinhu.

Kubata Thermal Kuwedzera

MaPCB eAluminium, sezvimwe zvinhu zvese, anowedzerwa nekupisa kana akasangana nekupisa. Kuwedzera uku kunogona kukonzera kushushikana pamajoini e solder nezvikamu, zvichikonzera kukundikana. Vagadziri vanofanirwa kufunga nezvemusiyano uripo pakati pealuminum nezvimwe zvinhu zvePCB . Chikamu chino chichaongorora nzira dzekuderedza kushushikana uku, senge kushandiswa kwe dielectrics dzinochinjika kana kugadzira zvinhu zvinoderedza kuwedzera mubhodhi.

Magetsi Dhizaini uye Magadzirirwo Mafungiro

Iyo yemagetsi dhizaini yealuminum PCB inoda kunyatso ronga kuti ukwidzise kuita uku uchichengetedza kuchengeteka. Izvi zvinosanganisira kunyatsofambiswa kwenzira dzepamusoro-ikozvino, kuiswa kwezvikamu kuti zvideredze kupindira, uye kuve nechokwadi chekudzivirira kwakakwana pakati pechigadziko chealuminium uye conductive layers. Ichi chidimbu chinovhara aya magetsi ekugadzira misimboti, achiratidzira akanakisa maitiro eanoshanda edunhu marongero.

Kusarudzwa kwezvinhu uye Stackup

Sarudzo yezvishandiso uye stackup dhizaini yakakosha mualuminium PCBs. Izvi zvinosanganisira kusarudza mhando chaiyo yealuminium alloy, dielectric zvinhu, uye copper cladding. Sarudzo imwe neimwe inokanganisa mashandiro ebhodhi, kusimba, uye maitiro emagetsi. Pano, isu tichakurukura dzakasiyana siyana sarudzo dziripo uye maitiro ekuona yakanakisa musanganiswa kune chaiwo maapplication.

Manufacturability uye Gungano Kufunga

Kugadzira aluminium PCB kunosanganisirawo kufunga nezvekugadzira kwayo uye nyore kuungana. Izvi zvinosanganisira kunzwisisa zvipimo zvemagadzirirwo ekugadzira, senge kuchera uye nzira, uye kugadzira bhodhi kuti rigadzirise zvimhingamipinyi izvi. Pamusoro pezvo, kufunga nezve soldering uye chikamu chinomisikidza pane aluminium substrate kwakakosha kuti ive nechokwadi chekugadzirwa kwakatsetseka. Ichi chikamu chinozopa ruzivo rwekugadzira aruminiyamu PCB iyo isingango shanda chete asiwo inogadzirwa uye ine hushamwari.

mhedziso

Kazhinji, maPCB ealuminium anomiririra danho guru muchikamu chemagetsi. Mabhenefiti awo, kubva pakugara kwenguva refu kusvika pakutarisira kupisa kwepamusoro, anoita kuti ave akakosha mumagetsi emazuva ano. Sezvatinotarisa ramangwana, zviri pachena kuti maPCB ealuminium acharamba achiita basa guru mukushanduka kwemidziyo yemagetsi nemasisitimu.