PCB基板排版原则

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1、1R-PCB排版原则影响排版的因素排版设计原则排版实例说明最佳设计尺寸(客户端)结语23SpecialSize：40”*42”48”36/40/42”业界常用尺寸(BaseMaterial)36”*48”40”*48”42”*48”影响排版的因素4BaseMaterialWorkingPanelShippingPanelShippingPanelWorkingPanelShippingPanelShippingPanelWorkingPanelShippingPanelShippingPanelShippingPanelShippingP

2、anelWorkingPanelShippingPanelShippingPanelShippingPanelShippingPanelShippingPanelShippingPanelShippingPanelShippingPanel5ShippingPanelBaseMaterialBaseMaterial:36,40,42*48”(SpecialSize:40*42”)WorkingPanel:Max21*24”ShippingPanel:CustomerDesignWorkingPanel基材裁切之后由原来的一整张基板，成了作

3、业所需的若干张WorkingPanel，WorkingPanel则包含了客户所需的ShippingPanel。6ShippingPanelArea(A):a*bWorkingPanelArea(B):c*dBasematerialArea(C):e*fShippingPanelabWorkingPanelcdBaseMaterialef基板利用率：A*shippingpanelquantity(perbasematerial)C制程利用率：A*shippingpanelquantity(perworkingpanel)BMin基板利用率：

4、80%Min发料面积：2.7ft27WorkingPanel排版设计原则AACB排版间距ATooling边(X轴)BTooling边(Y轴)C双面板0.10.350.4四层板0.10.450.5六层板以上(含)0.10.650.65项目层数Unit:Inch8排版实例说明(利用率高的排版)举例说明(一)a.六层板出货尺寸：8.3“x11.3“(210.82x287.02mm)出货排版：2x1ShippingPanel9b.工作尺寸:18"x24",出货数:4SPNL(2x1)WorkingPanelShippingPanelShippin

5、gPanelShippingPanelShippingPanel0.1”0.65”0.65”0.1”24”18”工作排版10WorkingPanel24”18”18”24”18”24”18”24”18”24”BaseMaterial48”36”选用基板:36"*48"(8.3“x11.3“)x4x4/36“x48“x100%=86.8%工作尺寸:18"*24"/144=3.0SFShippingPanelWorkingPanelBaseMaterial基板利用率11排版实例说明(利用率低的排版)举例说明(二)a.六层板出货尺寸：10.7“

6、x6.83“(271.78x173.482mm)出货排版：1x1ShippingPanel6.83”1222”b.工作尺寸:12"x22",出货数:1x3WorkingPanelShippingPanelShippingPanelShippingPanel0.65”0.65”0.1”12”工作排版0.1”6.83”0.655”0.655”22”12”10.7”0.65”0.65”0.1”0.1”13BaseMaterial48”36”22”WorkingPanel22”12”12”22”选用基板:36"*48"(10.7“x6.83“)x

7、3x6/36“x48“x100%=76.1%工作尺寸:12"*22"/144=1.8SFShippingPanelWorkingPanelBaseMaterial基板利用率12”12”4”出货Panel尺寸直接影响了排版利用率,合适的出货尺寸可使利用率获得提升.最佳设计尺寸(客户端)a.选用36"*48"基板时:7.9"*10.8“~8.3"*11.3"b.选用40"*42"基板时:9.0"*9.4“~9.3"*9.8"c.选用40"*48"基板时:9.0"*10.8“~9.3“*11.3"d.选用42"*48"基板时:9.4“*10.8

8、“~9.8“*11.3"当客户按照以上size设计时,厂内的基材利用率可达到80%以上,发料面积2.7平方英呎以上14结语a.因应PCB材料价格持续高涨,提高基材利用率,以避免增加材料成本.b