《 Prote199SE原理图与PCB设计教程》及力主编 第12章 a 4 Port Serial Interface Board.REP Specifications For 4 Port Serial interface Board. po On24-Ju1-2005at11:43:30 Size of board 11.799x6.856sqin Equivalent 14 pin component 2.89 sq in/14 pin component Components on board Layer Route Pads Tracks Fills Arcs Text Toplayer Bot tomlayer 744 Mechanicals Mechanical 2231999 TopOverlay (7)电路板 Bot tomOverlay TopPaste 0000 00011200 21111020 信息报表 Bot tomPaste TopSolder DrillDrawing Multilayer 333 Tota⊥ 3951926203586154 Layer Pair Vias Top Layer ot tom layer Non-Plated hole size Pads《Protel 99 SE原理图与PCB设计教程》及力主编 第12章 （7）电路板 信息报表