Low Alpha Solder
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Low alpha solder refers to a type of solder material that is specifically chosen to reduce or eliminate soft errors caused by the emission of alpha particles in electronic devices. In high-end microprocessors, ASICs (Application-Specific Integrated Circuits), high-speed integrated circuits, and semiconductor devices that operate at lower voltages or use advanced packaging techniques like BGA (Ball Grid Array) or flip chips, the impact of alpha particles on silicon chips can be significant. These alpha particles can interfere with the operation of the device and result in errors or failures.
Parameters| Low Alpha Products | Alloy Composition | Alpha Emitter Quality cph/cm2 at secular equilibrium | Shape / Form | Packaging |
| Tin (Sn) | Sn | 0.02 0.01 0.005 0.002 0.001 | Ingots Pellets/slugs | Plastic bag in vacuum bags |
| Lead (Pb) / Tin (Sn) | Sn63Pb37 Sn10Pb90 Sn5Pb95 Sn5Pb92.5Ag2.5 | 0.05 0.02 0.01 0.005 0.002 0.001 | Ingots Pellets/slugs | Plastic bag in vacuum bags |
| Lead-Free (Pb-Free) Alloy | SnAgCu SnAgBi SnAg SnBi SnCu | 0.02 0.01 0.005 0.002 0.001 | Ingots Pellets/slugs | Plastic bag in vacuum bags |
<0.01 cph/cm2
<0.002 cph/cm2
<0.001 cph/cm2
Low Alpha Emission Products (Purity of 99.97%-99.99%)
- Solder Powder
- Solder Alloy
- Solder Pellet
- Solder Sphere
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