Electronics Assembly Knowledge, Vision & Wisdom
Nihon Superior Co., Ltd.
Nihon Superior was founded in 1966 when it began marketing unique flux products imported from the US. Since then, we have made our mark on society by gathering the most advanced soldering and brazing technologies and products from around the world, and supplying them to companies in the metal-joining industry.

Backed by our knowledge of these technologies, we have developed into a global company by establishing manufacturing and sales centers in Japan as well as in Asia and Europe, and by forming business partnerships with overseas companies.
Microalloyed Sn-Cu Pb-Free Solder for High Temp
While susceptibility to tin whisker growth remains a barrier to the transition to Pb-free, there is now general acceptance that there are reliable alternatives.
Materials Tech
Nano Silver Replacement for High Lead Solders
This paper details mechanical and reliability testing of joints made with materials under a range of temperature, pressure and atmosphere.
Materials Tech
Grain Refinement for Improved Lead-Free Joint Reliability
In the study reported in this paper the effect of trace additions of selected elements on the grain structure of pure tin and lead-free solder alloys was observed.
Analysis Lab
Effect of Soldering and Flux on Whisker Growth
This paper relates trends in whisker growth to observations of corrosion of solder as related to the type of flux used.
Analysis Lab
Effect of Cooling Rate on the Intermetallic Solder Joints
This studies the effect of cooling rates on copper-tin crystals and the effect of isothermal aging at intermediate temperatures.
Production Floor
Corrosive Driven Whisker Growth in SAC305
This paper reports a study directed at identifying the relationship between the extent of corrosion and the concomitant whisker growth.
Analysis Lab
Hot Air Solder Leveling in the Lead-free Era
Paper discusses best practice for lead-free HASL lines and the properties expected with a properly applied HASL finish.
Materials Tech
Nihon Superior Co., Ltd.
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