Low Alpha Solder

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Why low alpha solder?

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

Low Alpha Emission Rate

<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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