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Saturday, December 04, 2004

 

PCB元件定位問題


1. DOME 定位問題. DOME上有開定位孔但相對的PCB並無開孔,失去DOME定位意義,若PCB有開孔除可為DOME的定位,亦可於HOUSING長定位柱利用同一孔,PCB就可避免偏移.
2. LCM SHIELDING CASE 定位不足,CASE 設計時可加1~2腳位,於PCB開相對應的孔即可解決定位問題.圖面請參考 .
3. FPC 拉焊定位孔,FPC採拉焊製程製作時請確實於PCB板上加入對應之定位孔以確保生產線焊接時的可靠度.

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