Component: | Au80sn20 |
---|---|
Melting Point: | 280ºC |
Application: | SMT Welding |
Specifications: | OEM |
Transport Package: | Carton+Foam Box |
Specification: | 50*15*0.05mm |
Customization: |
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Geometry
Guidelines for preform geometry can be derived from the die size.Generally, 90-100% of the die size will indicate the preform x and y dimensions. As for thickness, a thinner bond line is desirable, but not when reliability is sacrificed. The most critical attribute for die bonding application is flatness. Due to process constraints, fixturing can be difficult and time consuming. Allowing the die to float freely on the preform can be advantageous. If the preform is not flat, it can skew the die at reflow and fail. So processing is the key to preserving flatness.
Size |
Dimensions |
Volume |
Dimensions |
Volume |
|||||
|
a |
b |
a |
|
a |
b |
c |
|
|
inch |
mm |
mm |
mm3 |
mil |
mil3 |
||||
0201 |
0503 |
0.47 |
0.28 |
0.28 |
0.037 |
18.5 |
11.0 |
11.0 |
2.249 |
0202 |
0505 |
0.51 |
0.51 |
0.25 |
0.065 |
20.1 |
20.1 |
9.8 |
3.968 |
03015S |
06035 |
0.60 |
0.35 |
0.35 |
0.074 |
23.6 |
13.8 |
13.8 |
4.485 |
0402H |
1006 |
1.00 |
0.60 |
0.25 |
0.150 |
39.4 |
23.6 |
9.8 |
9.154 |
0402 |
1005 |
1.00 |
0.5 |
0.5 |
0.25 |
39.4 |
19.7 |
19.7 |
15.256 |
0402B |
10055 |
1.00 |
0.55 |
0.55 |
0.303 |
39.4 |
21.7 |
21.7 |
18.46 |
0603H |
1608H |
1.60 |
0.80 |
0.50 |
0.640 |
63.0 |
31.5 |
19.7 |
39.055 |
0603 |
1608 |
1.60 |
0.80 |
0.80 |
1.024 |
63.0 |
31.5 |
31.5 |
62.488 |
0805H |
2013H |
2.01 |
1.3 |
0.40 |
1.045 |
79.1 |
51.2 |
15.7 |
63.782 |
0805 |
2013 |
2.01 |
1.30 |
0.76 |
1.986 |
79.1 |
51.2 |
29.9 |
121.186 |
0805S |
2013S |
2.01 |
1.30 |
1.30 |
3.397 |
79.1 |
51.2 |
51.2 |
207.292 |
1206 |
3015 |
3.00 |
1.47 |
0.77 |
3.396 |
118.1 |
57.9 |
30.3 |
207.218 |
1306 |
3216 |
3.20 |
1.60 |
0.80 |
4.096 |
126.0 |
63.0 |
31.5 |
249.953 |
1406 |
3515 |
3.56 |
1.52 |
0.77 |
4.167 |
140.2 |
59.8 |
30.3 |
254.263 |
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