IPC-TM-650 EN 2022 试验方法.pdf - 第407页

Figure 10 Example of Pull Method to Remove the BGA From the Board Note: These photographs are for reference only and should not be construed as implying that a measurement is being made in accord with this method. Figure…

100%1 / 824
Figure 7 Dye Vacuum Station Sample Completely
Submerged in Dye
Figure 8 Sample Being Removed From Dye
Figure 9 Sample Prepped With Tee Nut, Pull Hook
and Molding Compound (Top) and Examples of Tee
Nuts (Bottom)
Note: Sample is ready for pulling.
IPC-TM-650
Number
2.4.53
Subject
Dye and Pull Test Method (Formerly Known as Dye and Pry)
Date
8/2017
Revision
Page5of11
Figure 10 Example of Pull Method to Remove the BGA
From the Board
Note: These photographs are for reference only and should not be
construed as implying that a measurement is being made in accord
with this method.
Figure 11 Example of a Pull Tester Stage and Clamps
Note: These photographs are for reference only and should not be
construed as implying that a measurement is being made in accord
with this method.
Figure 12 Typical Pull-Test Fixture With Stage Clamps
Note: These photographs are for reference only and should not be
construed as implying that a measurement is being made in accord
with this method.
Figure 13 Example Showing Ball Grid Array (BGA)/
Part (Top) and Remaining Board (Bottom)
IPC-TM-650
Number
2.4.53
Subject
Dye and Pull Test Method (Formerly Known as Dye and Pry)
Date
8/2017
Revision
Page6of11
Figure 14 Mirrored Dye Indication Following Pull
Board Side
Figure 15 Mirrored Dye Indication Following Pull
Part Side
Figure 16 Examples of Board Showing Laminate
Fractures (Pad Cratering)
Note the faint (pink stain) red dye indication.
IPC-TM-650
Number
2.4.53
Subject
Dye and Pull Test Method (Formerly Known as Dye and Pry)
Date
8/2017
Revision
Page7of11