Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Masanori Usui"'
Publikováno v:
IEEE Transactions on Power Electronics. 36:11739-11747
The aim of this article is to elucidate the short-circuit failure mechanism of SiC metal–oxide–semiconductor field-effect transistors that cause mechanical failure of the interlayer dielectric adjacent to the gate, to find the relationship betwee
Publikováno v:
JOM. 73:600-608
The influence of thermal cycle stress loading on hybrid bonding, which was formed by sintering a mixture of Cu nanoparticles and a eutectic Bi-Sn solder powder, has been investigated. A Si chip and a directly bonded aluminum (DBA) substrate were bond
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:21389-21398
In this study, an effect of Al layer insertion to die-attach Ni–Sn joints with semiconductor chips by solid–liquid interdiffusion bonding on the stress and thermal cycling durability was investigated focusing on the purity of Al. The results show
Autor:
Toshikazu Satoh, Masanori Usui
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:6547-6559
In this study, the effect of Bi–Sn composition on the bonding strength of Zn-mixed hybrid joints composed of SiC/Cu and SiC/direct bonded copper (DBC) was examined. For both joints, the bonding strength exhibited a similar dependence on Bi–Sn com
Publikováno v:
Journal of Alloys and Compounds. 788:338-344
Zn powder was mixed with Cu nanoparticle joints by applying a very low additional pressure of 20 kPa to improve the bonding strength. Cu-Zn alloying throughout the bonding layer was achieved by firing at 623 K for 5 min. The phase composition of the
Publikováno v:
IET Power Electronics. 12:492-497
Highly reliable operation at high temperatures is required for next-generation power modules in electric vehicles. We propose a joining concept involving nickel–tin (Ni–Sn) double solid–liquid interdiffusion with an aluminium (Al) sheet (Ni–S
Effect of zinc particle mixing on properties of copper–nanoparticle/bismuth–tin solder hybrid joints
Autor:
Masanori Usui, Toshikazu Satoh
Publikováno v:
Journal of Materials Science: Materials in Electronics. 29:20415-20423
The effects of Zn particle mixing into a Cu–nanoparticle/Bi–Sn solder hybrid bonding were examined. The bonding strength of an SiC/direct-bonded-copper joint exhibited limited dependence on the Zn mixing ratio, whereas that of an SiC/Cu joint inc
Publikováno v:
Journal of Materials Science: Materials in Electronics. 29:7161-7176
The effect of the diameter of Bi–Sn alloy particles on the bonding strength of hybrid joints formed between SiC chips and direct-bonded copper (DBC) plates using a Cu nanoparticles/Bi–Sn solder was studied. The bonding strength was the highest at
Autor:
Satomi Tajima, Yujiro Hayashi, Daigo Setoyama, Masanori Usui, Toshikazu Satoh, Masashi Kato, Hidehiko Kimura
Publikováno v:
Microelectronics Reliability. 78:93-99
The effects of high-temperature aging on a novel hybrid bonding layer were investigated. The hybrid layer, which consisted of Cu nanoparticles and a eutectic Bi-Sn solder powder, was formed by a sintering reaction of the solid-phase Cu nanoparticles
Publikováno v:
Microelectronics Reliability. :405-408
Al2O3 chips and pure Cu plates were joined by Cu nanoparticles at 250 °C and 350 °C, and the Young's moduli of the sintered Cu were evaluated by nanoindentation tests. The average Young's moduli were 52.7 ± 19.8 GPa and 76.5 ± 29.7 GPa at 250 °C