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ID:49799290
大小:631.00 KB
页数:17页
时间:2020-03-02
《PCB基板排版原则.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、R-PCB排版原则1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2SpecialSize: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3BaseMaterialWorkingPanelShippingPanelShippingPanelWorkingPanelShippingPanelShippingPanelWorkingPanelShippingPanelShippingPanelShippingPa
2、nelShippingPanelWorkingPanelShippingPanelShippingPanelShippingPanelShippingPanelShippingPanelShippingPanelShippingPanelShippingPanel4ShippingPanelBaseMaterialBaseMaterial:36,40,42*48”(SpecialSize:40*42”)WorkingPanel:Max21*24”ShippingPanel:CustomerDesignWorkin
3、gPanel基材裁切之后由原来的一整张基板,成了作业所需的若干张WorkingPanel,WorkingPanel则包含了客户所需的ShippingPanel。5ShippingPanelArea(A):a*bWorkingPanelArea(B):c*dBasematerialArea(C):e*fShippingPanelabWorkingPanelcdBaseMaterialef基板利用率:A*shippingpanelquantity(perbasematerial)C制程利用率:A*shippingpa
4、nelquantity(perworkingpanel)BMin基板利用率:80%Min发料面积:2.7ft26WorkingPanel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:Inch7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:2x1ShippingPanel8b.工作尺寸:18"
5、x24",出货数:4SPNL(2x1)WorkingPanelShippingPanelShippingPanelShippingPanelShippingPanel0.1”0.65”0.65”0.1”24”18”工作排版9WorkingPanel24”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=3.0SFShippingPanelWorki
6、ngPanelBaseMaterial基板利用率10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“x6.83“(271.78x173.482mm)出货排版:1x1ShippingPanel6.83”1122”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
7、.1”12BaseMaterial48”36”22”WorkingPanel22”12”12”22”选用基板:36"*48"(10.7“x6.83“)x3x6/36“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.13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
8、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“~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
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