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PCB打樣廠家阻焊層的制造工藝

PCB打樣廠家阻焊層的制造涉及尖端技術(shù),阻焊層制造從來都不是一件容易的事。首先,必須考慮到嚴(yán)格的法規(guī)。其次,制造過程由涉及高精度和最新設(shè)備的幾個(gè)階段組成。下面的流程圖顯示了所涉及流程的層次結(jié)構(gòu)。

  • 1.電路板清潔:此步驟目的是在清除板上的灰塵,這是一個(gè)初步過程,可以在任何重要的事情上邁出一步。
  • 2.阻焊油墨涂層:清潔完成后,電路板將繼續(xù)進(jìn)行阻焊層涂層??紤]到項(xiàng)目的需要,包括可靠性和可持續(xù)性,焊料涂層做得很厚。然而,過程并沒有那么簡單,因?yàn)榘遄硬⒉煌耆饣?。因此,板的不同部分的厚度不同。但是,?duì)于大多數(shù)項(xiàng)目來說,0.8mil的標(biāo)準(zhǔn)厚度已經(jīng)足夠了。
  • 3.預(yù)硬化:執(zhí)行此步驟以硬化涂層,PCB打樣廠家從線路板上清除剩余的PCB基板,這有助于提高電路板的質(zhì)量。
  • 4.成像和硬化:在此階段,電路跡線的印刷圖像通過紫外線(UV)曝光硬化到板上,這個(gè)階段允許銅與電路的銅跡線隔離,以防止任何短路。為確保電路板正常運(yùn)行,必須確保正確對(duì)齊。
  • 5.發(fā)展:此階段涉及清潔不需要的阻焊層,以便可以正確暴露指定的銅箔。
  • 6.?最終硬化和清潔:這是PCB打樣廠家在組裝和表面處理前的進(jìn)行的最后階段,這包括將掩模完全安裝到印刷電路板的表面上。
發(fā)布者 |2021-09-09T17:10:19+08:009 9 月, 2021|PCB資訊|PCB打樣廠家阻焊層的制造工藝已關(guān)閉評(píng)論

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