表格4-1列出在用户端的SMD封装组件超出车间寿命或发生其他超出湿气暴露时间情况下重新烘烤的条件。
Package body |
Level |
Bake @ 125°C |
Bake @ 90°C/≦5%RH |
Bake @ 40°C/ ≦5%RH | |||
Exceeding Floor Life by >72 h |
Exceeding Floor Life by ≦72 h |
Exceeding Floor Life by >72 h |
Exceeding Floor Life by ≦72 h |
Exceeding Floor Life by >72 h |
Exceeding Floor Life by ≦72 h | ||
Thickness |
2 |
5 hours |
3 hours |
17 hours |
11 hours |
8 days |
5 days |
2a |
7 hours |
5 hours |
23 hours |
13 hours |
9 days |
7 days | |
3 |
9 hours |
7 hours |
33 hours |
23 hours |
13 days |
9 days | |
4 |
11 hours |
7 hours |
37 hours |
23 hours |
15 days |
9 days | |
5 |
12 hours |
7 hours |
41 hours |
24 hours |
17 days |
10 days | |
5a |
16 hours |
10 hours |
54 hours |
24 hours |
22 days |
10 days | |
Thickness |
2 |
18 hours |
15 hours |
63 hours |
2 days |
25 days |
20 days |
2a |
21 hours |
16 hours |
3 days |
2 days |
29 days |
22 days | |
3 |
27 hours |
17 hours |
4 days |
2 days |
37 days |
23 days | |
4 |
34 hours |
20 hours |
5days |
3 days |
47 days |
28 days | |
5 |
40 hours |
25 hours |
6 days |
4 days |
57 days |
35 days | |
5a |
48 hours |
40 hour |
8 days |
6 days |
79 days |
56 days | |
Thickness |
2 |
48 hours |
48 hours |
10 days |
7 days |
79 days |
67 days |
2a |
48 hours |
48 hours |
10 days |
7 days |
79 days |
67 days | |
3 |
48 hours |
48 hours |
10 days |
8 days |
79 days |
67 days | |
4 |
48 hours |
48 hours |
10 days |
10 days |
79 days |
67 days | |
5 |
48 hours |
48 hours |
10 days |
10 days |
79 days |
67 days | |
5a |
48 hours |
48 hours |
10 days |
10 days |
79 days |
67 days | |
BGA package >17mm x17mm or any stacked die package |
|
96 hours |
As above per package thickness and moisture level |
Not applicable |
As above per package thickness and moisture level |
Not applicable |
As above per package thickness and moisture level |
表格4-2列出供货商或批发商在干燥包装以前的烘烤条件,以及所允许的最大制造厂暴露时间(MET)。
Package Thickness |
Level |
Bake @ 125C |
Bake @ 150C |
≦1.4 mm |
2 |
7 Hours |
3 Hours |
〉 1.4mm |
2 |
18 Hours |
9 Hours |
〉 2.0mm |
2 |
48 Hours |
24 Hours |
表格4-3根据4.1条款归纳在使用者端重计或暂停车间寿命计时的条件 。
MSL Level |
Exposure Time @ Temp/Humidity |
Floor Life |
Desiccator Time @ Relative Humidity |
Bake |
Reset Shelf Life |
2, 2a, 3, 4, 5, 5a |
Anytime |
reset |
NA |
Table 4.1 |
Dry Pack |
2, 2a, 3, 4, 5, 5a |
〉floor life |
reset |
NA |
Table 4.1 |
Dry Pack |
2a, 3, 4 |
〉12 hours |
reset |
NA |
Table 4.1 |
Dry Pack |
2, 2a, 3, 4 |
≦12 hours |
reset |
5X exposure time |
NA |
NA |
5, 5a |
〉8 hours |
reset |
NA |
Table 4.1 |
Dry Pack |
5, 5a |
≦8 hours |
reset |
10X exposure time |
NA |
NA |
2, 2a, 3 |
Cumulative time |
reset |
Anytime |
NA |
NA |
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