Sida loo xakameeyo warpage guddiga wareegga wareegga&maroojin
IPC-6012, SMB-SMT Daabacan looxyada wareegga waxay leeyihiin ugu badnaan warpage ama maroojin 0.75%, iyo looxyada kale guud ahaan kama badna 1.5%;bogga dagaalka ee la oggol yahay (laba-gees ah / lakabyo badan) ee warshadda korantada elektiroonigga ah inta badan waa 0.70 ---0.75%, (1.6mm dhumucdiisuna) Dhab ahaantii, guddiyo badan sida SMB iyo guddiyada BGA waxay u baahan yihiin warpage ka yar 0.5%;warshadaha qaarkood xitaa wax ka yar 0.3%;PC-TM-650 2.4.22B
Habka xisaabinta bogga wargayska = dhererka bogga wargayska/dhererka cidhifyada
Warshada looxa wareegga batteriga ayaa ku baraysa sida looga hortago dagaal boodhka wareegga:
1. Naqshadaynta injineernimada: habaynta prepreg interlayer waa in ay waafaqsan tahay;looxa xudunta u ah lakabka badan iyo prepreg waa in ay isticmaalaan isla badeecada alaab-qeybiyaha;aagga garaafyada dusha sare ee C/S waa inuu ahaadaa sida ugu dhow ee suurtogalka ah, iyo shabagyada madax-bannaan ayaa la isticmaali karaa;
2. looxa dubista ka hor inta aan la jarin
Guud ahaan 150 darajo 6-10 saacadood, ka saar qoyaanka guddiga, sii daawynta resin si buuxda, oo baabi'iso diiqada guddiga;dubitaanka looxa ka hor inta aan la jarin, haddii lakabka gudaha ama labada dhinac ayaa loo baahan yahay!
3. Fiiro gaar ah u yeelo jihada fidsan iyo durdurka xaashida la daweeyay ka hor intaadan isku dhejin sabuuradda lakabka badan:
Saamiga galootiga iyo yaraynta weftku way kala duwan yihiin.Fiiro gaar ah u yeelo jihada qulqulka iyo qulqulka ka hor inta aanad jarin xaashida prepreg;fiiro gaar ah u yeelo jihada qulqulka iyo qulqulka marka la jarayo guddiga asaasiga ah;Guud ahaan jihada duubista xaashida daawaynta waa jihada dagaal;jihada dheer ee laminate clad copper waa jihada warp;10 lakab 4OZ Power saxan qaro weyn
4. Laminating qaro weyn si loo baabi'iyo walbahaarka, cadaadis qabow ka dib marka la cadaadiyo guddiga, jar burrs;
5. Looxa dubista ka hor inta aan la qodin: 150 darajo 4 saacadood;
6. Way fiicantahay in aan si farsamaysan loo cadaynayn saxanka khafiifka ah, nadiifinta kiimikada ayaa lagula talinayaa;qalab gaar ah ayaa loo isticmaalaa inta lagu guda jiro electroplating si looga hortago in saxan ka foorarsado iyo laabi
7. Kadib buufinta daasadda, ku qabooji si dabiici ah heerkulka qolka dusha marmar ama saxan bir ah ama nadiifi ka dib markaad qaboojiso sariir hawo leh;
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