These spherical metal balls are manufactured by spraying uniform droplets of molten metal within an inert gas environment.
| Product Categories | Metal Powders > Metal Balls |
|---|---|
| Main Applications | Energy > Power generation equipment > Conductive materials Electronics > Electronic parts (conductor materials) Electronics > Electronic parts (conductor materials) > Bonding materials Automobiles > Conductive materials |
| Main ingredients | Cu (copper) Ag (silver) Sn (tin) |
| Manufacturing method | Uniform droplet spraying (metal balls) |
| Shape | Spherical |
| Features |
These balls offer superior sphericity and size uniformity, with minimal surface oxidation. Balls can be manufactured in sizes ranging from 80 to 760 µm. A wide variety of compositions are available. Contact a FUKUDA representative for more details. |
| Grade | Composition (mass%) |
Melting Temp. (℃) |
Specific Gravity (g/cm3) |
|---|---|---|---|
| FBM-Sn3.5Ag | Sn96.5 Ag3.5 | 221 | 7.36 |
| FBM-Sn3Ag0.5Cu | Sn96.5 Ag3 Cu0.5 | 217-219 | 7.40 |
| FBM-Sn9Zn | Sn91 Zn9 | 199 | 7.30 |
| FBM-Sn8Zn3Bi | Sn89 Zn8 Bi3 | 190-197 | 7.30 |
| Diameter | Tolerance |
|---|---|
| 80-300µm | ±10µm |
| 350-450µm | ±10µm |
| 500-760µm | ±20µm |
Contact a FUKUDA representative for compositions other than the above, such as Sn-Bi, or different diameter tolerances.