理想状况 Target Condition
1.各接腳都能座落在各焊墊的中央,而未發生偏滑。
1.All the leads footprint is centered on the lands
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允收状况1 Accept Condition
1.各接腳已發生偏滑,所偏出焊墊以外的接腳,尚未超過接腳本身寬度的1/2W。(X≦1/2W )
2.偏移接腳之邊緣與焊墊外緣之垂直距離≧5mil (0.13mm)。(S≧5mil)
1.The length of the lead footprint shifted off the land(X)shall less 1/2 width of lead
2.The clearance(S)between lead shifted off and land shall over 5 mil
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拒收状况1 Reject Condition
1.各接腳已發生偏滑,所偏出焊墊以外的接腳,已超過接腳本身寬度的1/2W(MI)。(X>1/2W )
2.偏移接腳之邊緣與焊墊外緣之垂直距離<5mil (0.13mm)(MI)。(S<5mil)
3.Whichever is rejected .