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 |
||||
|---|---|---|---|---|---|---|---|
| Sn | Ag | Cu | Bi | Au | |||
| FBM-Sn3.5Ag | Bal. | 3.5 | 221 | 7.36 | |||
| FBM-Sn3Ag0.5Cu | Bal. | 3 | 0.5 |
217-219 |
7.4 | ||
| FBM-Sn58Bi | Bal. | 58 | 139 | 8.7 | |||
| FBM-SN100C ＊1 | ＊2 |
＊3 |
＊4 | ||||
| FBM-Au20Sn | Bal. | 20 | 280 | 14.52 | |||
| FBM-Au90Sn | Bal. | 90 | 217 | 7.78 | |||
All figures shown above are typical ones, not guaranteed ones. Properties may be changed without advanced notice.
| Diameter | Tolerance |
|---|---|
| 80-300µm | ±10µm |
| 350-450µm | ±10µm |
| 500-760µm | ±20µm |
※1 SN100C（SnCu Series）：Product name of NIHON SUPERIOR
※2,3,4 Conforming to spec of SN100C
Please ask us to manufacture for the other compositions, particle diameter and tolerance.
The particle diameter which we can manufacture depends on Grade. Please ask us detail.