Table 7
Total defects of preheating temperature process experiment
Preheating temperature(°C)
Bridging
Floating piece
Insufficient solder filling
50%–75%
30%–50%
<30%
150
15
6
8
6
0
160
8
5
4
4
0
170
5
5
4
2
0
180
18
6
12
8
0
Preheating temperature(°C)
Bridging
Floating piece
Insufficient solder filling
50%–75%
30%–50%
<30%
150
15
6
8
6
0
160
8
5
4
4
0
170
5
5
4
2
0
180
18
6
12
8
0
Source:
Created by author
[ViewLarge]
Close Modal
Close Modal
This Feature Is Available To Subscribers Only
Sign In
or
Create an Account
Close Modal
Close Modal