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Kodi PCB yamitundu ingapo iyenera kulabadira chiyani?

Makulidwe okwana ndi kuchuluka kwa zigawo za PCB multilayer board ndizochepa ndi mawonekedwe a board ya PCB. matabwa Special ndi malire mu makulidwe a bolodi kuti angaperekedwe, kotero mlengi ayenera kuganizira makhalidwe gulu la ndondomeko PCB kapangidwe ndi zolephera PCB processing luso.

Mipikisano wosanjikiza compaction njira zodzitetezera

Laminating ndi njira yolumikizira gawo lililonse la bolodi ladera lonse. Njira yonseyi imaphatikizapo kupsompsonana, kuthamanga kwathunthu ndi kuzizira. Panthawi yopsompsonana, utomoni umalowa m'malo omangirira ndikudzaza ma voids pamzere, kenako ndikukankhira kokwanira kuti amangirire ma voids onse. Zomwe zimatchedwa kuzizira kozizira ndikuziziritsa bolodi la dera mwamsanga ndikusunga kukula kwake.

Laminating ndondomeko ayenera kulabadira zinthu, choyamba mu kamangidwe, ayenera kukwaniritsa zofunika za mkati pachimake bolodi, makamaka makulidwe, kukula mawonekedwe, malo dzenje, etc., ayenera kupangidwa mogwirizana ndi zofunikira zenizeni, ndi Zofunikira zonse zamkati zamkati za board palibe lotseguka, lalifupi, lotseguka, lopanda makutidwe ndi okosijeni, palibe filimu yotsalira.

Kachiwiri, pokonza matabwa a multilayer, matabwa amkati amayenera kuthandizidwa. Njira yothandizirayi imaphatikizapo chithandizo chakuda cha okosijeni ndi chithandizo cha Browning. Chithandizo cha okosijeni ndi kupanga filimu yakuda ya okusayidi mkati mwazojambula zamkuwa, ndipo chithandizo cha bulauni ndikupanga filimu yachilengedwe pachojambula chamkati chamkuwa.

Pomaliza, pamene laminating, tiyenera kulabadira zinthu zitatu: kutentha, kuthamanga ndi nthawi. Kutentha makamaka kumatanthawuza kutentha kosungunuka ndi kutentha kwa machiritso a utomoni, kutentha koyikidwa kwa mbale yotentha, kutentha kwenikweni kwa zinthu ndi kusintha kwa kutentha. Izi magawo amafunika chisamaliro. Ponena za kukakamiza, mfundo yofunikira ndikudzaza pabowo la interlayer ndi utomoni kutulutsa mpweya wa interlayer ndi volatile. Zigawo za nthawi zimayendetsedwa makamaka ndi nthawi yokakamiza, nthawi yotentha ndi nthawi ya gel.


Nthawi yotumiza: Feb-19-2024