Soft errors are induced by the intrusion of α particle. It can cause damage of the electronic device, more precisely memory failure. The problem is getting bigger as device size are reduced and solder material are close to the sensitive locations.
Our proprietary refining technology reduces impurities in tin—particularly lead, which emits α particles. Utilizing this technology, we develop and manufacture tin with α emission levels that are reliably less than 0.001 cph/cm².
We can process metals in the desired shapes, including ingots or nuggets for anode or melting uses.
Tin oxide is also available.

Sn purity: 5N (99.999%), 6N (99.9999%) Pb < 0.1 ppm
α particle counts < 0.001 cph/cm²; no variation over time.

Metal Impurities

	Pb	S	Ag	As	Bi	Fe	Sb	Th	U
Conventional Tin	3.4	0.71	1.8	0.06	<0.01	0.16	<0.5	<0.01	<0.01
JX-Low α Tin(5N)	0.06	0.6	0.04	<0.01	0.06	0.2	<0.5	<0.01	<0.01

The comparison of α particle counts

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