[Superset] Chapter5_SPC Plus_ENG_20100827TW - 第23页
Programmer's Manual | 23 To set the options in the SPC Condition dialog box, proceed with the following: 1. Select Group Pad from the SPC Condition dialog box and click the <S elect Gr…
Programmer's Manual | 22
standarddeviationchangeaccordingly.
Histogram:Displaysthevalueoftheselectedcategoryinthebargraph
C
P&CPK:Progr esscapabilityindexof theselectedPCB
Category Description
Custom USL/LSL
Assigns the USL value or LSL value separately when finding the
progress capability index
X-bar custom UCL/LCL Manually assigns the UCL and LCL values to be used in the X-bar chart
Sigma Custom UCL/LCL
Manually assigns the UCL and LCL values to be used in the Sigma
chart
List Export Saves the currently displayed chart values in file format
Select List
Lists the PCB not indicated by limitation in Defect Limit in Setup and
indicated PCB as a list
Screen Capture Saves the current screen in picture file format
Note: The DefectSPC is the menu that is more suitable for calculating the statistics for a specific
ComponentIDthanallpads.
Note: The file save path of ScreenCapture from the category above can be configured in Setup of the
viewmenu.
SPC Condition Dialog Box
WhenanoptionisconfiguredintheSPCConditiondialogbox,thestatisticsofthespecif ic areaof
PCBonlycanbecalculated.
Figure 3-6. SPC Condition Dialog Box
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TosettheoptionsintheSPCConditiondialogbox,proceedwiththefollowing:
1. Select Group Pad from the SPC Condition dialog box and click the <Select Group> button. The PCB
Group dialog box will appear.
Figure 3-7. PCB Group
2. Select an area and click the <OK> button. Defect View for the corresponding area will appear.
Figure 3-8. DefectView
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Saving Customer UCL/LCL and Customer USL/LSL set values
This is the function of configuring the UCL/LCL values. To use this function, proceed with the
following:
1. Click the <Custom USL/LSL> button in Process Capability on the lower right side of DefectSPC to
enable the Custom USL/LSL dialog box.
2. Select a Customer Cp/Cpk category as shown above to save the set values and click the <OK> button.
Note:UCL:UpperControlLimit:/LCL:Low erControlLimit:
USL:UpperSpecificationLimit:/LSL:LowerSpecificationLimit:
3.5. Multi-SPC
Multi‐SPC is the menu that simultaneously calculates the statistics of inspection results in the
various components. It is used for finding changes or problems per process period of pads with
specificComponentID.