Protel系列軟件導入GERBER后各層意思
*.GTL TopLayer頂層走線
*.GBL BottomLayer底層走線
*.GTO TopOverlay頂層絲印字
*.GBO BottomOverlay底層絲印
*.GTS TopSolder頂層阻焊
*.GBS BottomSolder底層阻焊
*.GTP TopPaste頂層貼片鋼網
*.GBP BottomPaste底層貼片鋼網
*.GPT Top Pad Master頂層主焊盤
*.GPB Bottom Pad Master底層主焊盤
*.G1,*.G2,.. MidLayer1,2,..內層走線
*.GP1,*.GP2,.. InternalPlane1,2,..內層平面1,2,..
*.GM1 ,*GM2,.. Mechanical1,2,..機械層1,2,..
*.GKO KeepOutLayer禁止布線層(可做板子外形)
*.GG1 DrillGuide鉆孔位置層
*.GD1 DrillDrawing鉆孔圖層 *drill 鉆孔文件
*.TXT 分孔圖表
*.APR 光圈表文件
*.DRR 鉆孔報告文件
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