IPC-TM-650 EN 2022 试验方法--.pdf - 第407页
Number 2.4.53 Subject Dye and Pull Test Method (Formerly Known as Dye and Pry) Date 8/2017 Revision Page 6 of 1 1 Figure 11 Example of a Pull Tester Stage and Clamps Note: These photographs are for reference only and sho…
Number
2.4.53
Subject
Dye and Pull Test Method (Formerly Known as Dye and Pry)
Date
8/2017
Revision
Page 5 of 11
IPC-TM-650
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.
Number
2.4.53
Subject
Dye and Pull Test Method (Formerly Known as Dye and Pry)
Date
8/2017
Revision
Page 6 of 11
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
13
Example
Showing
Ball
Grid
Array
(BGA)/
Part
(Top)
and
Remaining
Board
(Bottom)
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
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.
IPC-TM-650
—
7
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Number
2.4.53
Subject
Dye and Pull Test Method (Formerly Known as Dye and Pry)
Date
8/2017
Revision
Page 7 of 11
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
—