Aluminium substrate ni icyuma gishingiye ku cyuma cyumuringa cyambaye laminate hamwe nigikorwa cyiza cyo gukwirakwiza ubushyuhe. Nibikoresho bimeze nkibisahani bikozwe mubikoresho bya elegitoroniki ya fibre cyangwa ibindi bikoresho bishimangira byinjijwe hamwe na resin, resin imwe, nibindi nkigikoresho cyiziritse, gitwikiriwe na feza y'umuringa kuruhande rumwe cyangwa impande zombi hanyuma ugashyuha, byitwa aluminium- isahani yambaye umuringa. Inzira ya Kangxin itangiza imikorere ya aluminium substrate hamwe no gutunganya ibikoresho.

Imikorere ya aluminium

1.Imikorere myiza yo gukwirakwiza ubushyuhe

Aluminium ishingiye ku muringa wambaye umuringa ufite imikorere myiza yo gukwirakwiza ubushyuhe, nicyo kintu kigaragara cyane muri ubu bwoko bwa plaque. PCB ikozwemo ntishobora gusa gukumira neza ubushyuhe bwakazi bwibigize hamwe na substrate zipakiye kuri yo kuzamuka, ariko kandi nubushyuhe bwihuse butangwa ningufu zongera ingufu, ibice byinshi byamashanyarazi, amashanyarazi manini yumuzunguruko nibindi bice. Irakwirakwizwa kandi kubera ubwinshi bwayo, uburemere bworoheje (2.7g / cm3), anti-okiside, hamwe nigiciro gihendutse, bityo ikaba yarahindutse byinshi kandi umubare munini wurupapuro rwimvange mumashanyarazi ashingiye kumuringa. Kurwanya ubushyuhe bwuzuye bwa aluminiyumu yubatswe ni 1.10 ℃ / W naho kurwanya ubushyuhe ni 2.8 ℃ / W, biteza imbere cyane imiyoboro yumuringa wumuringa.

2.Gutezimbere imikorere nubuziranenge bwimashini

Aluminiyumu ishingiye ku muringa wambaye umuringa ufite imbaraga zo gukanika no gukomera, ibyo bikaba byiza cyane kuruta imyanda ikozwe mu muringa ikozwe mu muringa na ceramic substrate. Irashobora kumenya gukora ibibanza binini byacapishijwe imbaho ​​hejuru yicyuma, kandi birakwiriye cyane cyane gushiraho ibice biremereye kuri substrate. Byongeye kandi, substrate ya aluminiyumu nayo ifite uburinganire bwiza, kandi irashobora guteranyirizwa hamwe no gutunganyirizwa kuri substrate inyundo, kuzunguruka, nibindi cyangwa kugoreka no kuzunguruka ku gice kitari insinga kuri PCB cyakozwemo, mugihe gakondo gakondo- ishingiye kumuringa wambaye laminate ntishobora.

3.Ibipimo bihamye

Ku muringa utandukanye wambaye umuringa, hari ikibazo cyo kwaguka k'ubushyuhe (stabilite de l'homme), cyane cyane kwaguka k'ubushyuhe mu cyerekezo cy'ubugari (Z-axis) cy'ikibaho, bigira ingaruka ku bwiza bw'imyobo ya metero na insinga. Impamvu nyamukuru nuko coefficient zo kwagura umurongo zisahani zitandukanye, nkumuringa, hamwe na coefficente yo kwaguka kumurongo wa epoxy ikirahure cya fibre fibre substrate ni 3. Kwagura umurongo byombi biratandukanye cyane, byoroshye gutera itandukaniro mugukwirakwiza ubushyuhe bwa substrate, bigatuma umuzenguruko wumuringa nu mwobo wacitse cyangwa kumeneka. Coefficente yo kwagura umurongo wa aluminium substrate iri hagati, ni ntoya cyane kurenza insimburangingo rusange, kandi yegereye umurongo wo kwagura umurongo wumuringa, ibyo bikaba bifasha kwemeza ubwiza nubwizerwe bwumuzingo wacapwe.

Ubuvuzi bwo hejuru bwibikoresho bya aluminium

1. Kwangiza

Ubuso bwa plaque ya aluminiyumu busizwe hamwe na peteroli mugihe cyo gutunganya no gutwara, kandi bigomba gusukurwa mbere yo kubikoresha. Ihame nugukoresha lisansi (lisansi rusange yindege) nkigishishwa, gishobora gushonga, hanyuma ugakoresha ibikoresho byogusukura amazi kugirango ukureho amavuta. Kwoza hejuru y'amazi atemba kugirango bisukure kandi bitarimo amazi.

2. Impamyabumenyi

Aluminium substrate nyuma yubuvuzi bwavuzwe haruguru iracyafite amavuta adakuwe hejuru. Kugira ngo ukureho burundu, shyira hamwe na hydroxide ya alkali sodium ikomeye kuri 50 ° C muminota 5, hanyuma woge n'amazi meza.

3. Kurya alkaline. Ubuso bwa plaque ya aluminium nkibikoresho fatizo bigomba kugira ububi runaka. Kubera ko substrate ya aluminium na aluminium oxyde ya firime hejuru yububiko byombi ari ibikoresho bya amphoteric, hejuru yibikoresho fatizo bya aluminiyumu birashobora gukomera ukoresheje sisitemu yo gukemura aside, alkaline cyangwa ikomatanya alkaline. Mubyongeyeho, ibindi bintu ninyongeramusaruro bigomba kongerwaho igisubizo kitoroshye kugirango ugere ku ntego zikurikira.

4. Gusiga imiti (kwibiza). Kuberako ibikoresho fatizo bya aluminiyumu birimo ibindi byuma byanduye, biroroshye gukora ibinyabuzima bidafatika bifata hejuru yubutaka bwa substrate mugihe cyogukomera, bityo ibinyabuzima bidafite umubiri bigomba gusesengurwa. Ukurikije ibisubizo byisesengura, tegura igisubizo kiboneye cyo gushiramo, hanyuma ushire substrate ya aluminiyumu ikomye mugisubizo cyo kwibiza kugirango umenye igihe runaka, kugirango ubuso bwa plaque ya aluminiyumu busukure kandi burabagirana.