IPC9850_Surface Mount Equipment Characterization.pdf - 第30页

IPC-9850 Official Proposal May 2001 30 HATCHED AREA ANTI-REFLECTIVE CHROME PLATED 52 LEADS EACH SIDE 0.2mm THICK 1.3mm LONG Sheet Material / Finish Draft Unless otherwise stated WHITE EPOXY IN HATCHED AREA BACK SIDE CHRO…

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IPC-9850
Official Proposal
May 2001
29
Figure 6-3 QFP 100 Slug for Chrome Leads With No Background (Positive)
Drawing File Name: ipc_100QFP_glass_POSITIVErevb.eps
HATCHED AREA ANTI-REFLECTIVE CHROME PLATED
52 LEADS EACH SIDE 0.2mm THICK 1.3mm LONG
Sheet
Material / Finish
Draft
Unless otherwise stated
WHITE EPOXY IN HATCHED AREA
BACK SIDE
CHROME SIDE UP
B
A
1 32 4 5
RevNo
76
B
8
Signature
A
F
1
E
D
C
2 3 6 7 8
E
D
C
F
’
0.500
0.200
17.00
15.80
17.00
33.00
17.00
15.80
15.80
EQUILATERAL TRIANGLE
1mm SIDES CHROME FILLED
0.000
1.5mm LONG X .050mm WIDE LINE
(4 PLCS) ON CENTER LINE
1.00mm X 1.00mm CROSS
34.00
Table 6-4 QFP 208 Slug for White Background for Leads on Chrome Background (Negative)
Drawing File Name: ipc_QFP208_glass_NEGATIVE.eps
Sheet
Material / Finish
Draft
Unless otherwise stated
B
A
1 32 4 5
RevNo
76
B
8
Signature
A
F
1
E
D
C
2 3 6 7 8
E
D
C
F
EQUILATERAL TRIANGLE 1mm SIDES
5.000
5.000
5.0005.000
20.00
20.00
0.000
0.500
0.200
8.000
8.000
6.000
6.000
7.000
7.000
10.00
10.00
12.50
12.50
FRONT SIDE NOTES:
HATCHED AREA ANTI-REFLECTIVE CHROME PLATED
25 LEADS EACH SIDE 0.2mm THICK 1mm LONG
CHROME SIDE UP
1.5mm LONG X .050mm WIDE LINE
(4 PLCS) ON CENTER LINE
1.00mm X 1.00mm CROSS
1.5mm R-WIDTH of LINES 0.050mm
’
0.25mm R (4 PLCS)
IPC-9850
Official Proposal
May 2001
30
HATCHED AREA ANTI-REFLECTIVE CHROME PLATED
52 LEADS EACH SIDE 0.2mm THICK 1.3mm LONG
Sheet
Material / Finish
Draft
Unless otherwise stated
WHITE EPOXY IN HATCHED AREA
BACK SIDE
CHROME SIDE UP
B
A
1 32 4 5
RevNo
76
B
8
Signature
A
F
1
E
D
C
2 3 6 7 8
E
D
C
F
’
0.500
0.200
17.00
34.00
EQUILATERAL TRIANGLE
1mm SIDES CHROME FILLED
12.00
12.00
12.00 12.00
17.00
34.00
0.000
1.5mm LONG X .050mm WIDE LINE
(4 PLCS) ON CENTER LINE
1.00mm X 1.00mm CROSS
Table 6-5 QFP 208 Slug for Chrome Leads With No Background (Positive)
Drawing File Name: ipc_QFP208_glass_POSITIVE.eps
Figure 6-6 BGA228 Slug for White Background for Leads on Chrome Background
IPC-9850
Official Proposal
May 2001
31
Figure 6-7 BGA228 Slug for Chrome Leads With No Background