FPC璐磋QFN渚ч潰鍏ㄩ儴涓婇敗

QFN渚ч潰鍏ㄩ儴涓婇敗

1.QFN鏄竴绉嶆棤寮曡剼灏佽锛屽憟姝ｆ柟褰㈡垨鐭╁舰锛屽皝瑁呭簳閮ㄤ腑澶綅缃湁涓涓ぇ闈㈢Н瑁搁湶鐒婄洏锛屽皝瑁呭鍥村洓鍛ㄦ湁瀹炵幇鐢垫皵杩炵粨鐨勫鐢电剨鐩樸傚叾灏佽涓嶅儚浼犵粺鐨凷OIC涓TSOP灏佽閭ｆ牱鍏锋湁楦ョ考鐘跺紩鑴氾紝鎵浠ュ鐒婃帴鐨勮姹傛洿楂橈紝鏍囧噯鐨勬娴嬫柟娉曟槸鐪嬪叾搴曢儴鐒婃帴闈㈢殑绌烘礊鏄惁绗﹀悎IPC鐨勮姹傦紝濡備笅鍥剧墖绀轰负鐢靛灞忎笂鎵鐢ㄤ娇鐢ㄧ殑QFN鍙婇儴浠.

2.瀹㈡埛瀹為檯鐢熶骇涓鏋淨FN渚ч潰鑳戒笂閿′細闄嶄綆鐢靛灞忕殑娴嬭瘯**鍝侊紝鍥犺繑淇細閫犳垚鐢靛灞忕殑鎹熷潖锛屽鍔犵敓浜ф垚鏈紝鎵浠ュ仛鐢靛灞忕殑瀹㈡埛閮借姹俀FN渚ч潰涓婇敗锛屼竴閫氳揪鍏徃鏍瑰叿瀹㈡埛鐨勮姹傜壒鍒皟鍒剁殑鏈夐搮閿¤啅锛圫n63/Pb37)鍙婃棤閾呴敗鑶(Sn96.5/Ag3.0/Cu0.5)閮借兘婊¤冻QFN渚ч潰鍏ㄩ儴涓婇敗锛屽涓嬪浘鎵绀轰负FPC涓婅创瑁匭FN渚ч潰鍏ㄩ儴涓婇敗.