4 Lakabka ENIG FR4 PCB Half Hole
Dhibaatooyinka Machining Metallized Half-Hole PCB
PCB-ga nuska bir ah ka dib markii la sameeyay derbiga godka naxaasta madow, burr residuadeviation ayaa dhibaato adag ku ah habka qaabeynta ee PCB-ga gaar ahaan safka oo dhan ee godadka nuska ah ee la mid ah godadka shaambada, daloolintu waa 0.6 mm, kala dheereynta derbiga daloolka waa 0.45 mm , fogaanta sawirka dibadda waa 2mm, sababtoo ah kala dheereynta waa mid aad u yar, way fududahay in la sameeyo wareeg gaaban sababtoo ah maqaarka naxaasta ah.
Hababka foming-ka ee PCB-ga nus-dalool guud ahaan waa CNC millingmachine gongs, feerka mashiinka feerka farsamada, goynta V-CUT iyo wixii la mid ah, hababkan wax-soo-saarka ee meesha looga saarayo baahida qayb ka mid ah godka si loo sameeyo naxaas, ma keeni karto qaybta soo hartay. ee qaybta godka PTH ee.
Waa maxay sababta ay u kordhisay kharashaadka PCB-yada nuska ah
Godka nuska waa hab gaar ah, si loo hubiyo in uu jiro naxaas godka, waxaa lagama maarmaan ah in la sameeyo nus ka mid ah habka ka hor cidhifka, iyo godka nuska guud PCB waa mid aad u yar, sidaas darteed qiimaha guud ee saxan godka nuska ah. waa mid aad u sarreeya.