AeroSolder-NiCu™: Low-Pressure Transient Liquid Phase Sintering of Graphene-Passivated Ni-Cu Nano-Alloy Displacing Nano-Silver in SiC/GaN Die-Attach

Preprint presenting AeroSolder-NiCu™, a submicron core-shell Cu@Ni@G nano-alloy in a TLPS vehicle for wide bandgap (SiC/GaN) power module die-attach. Densifies at 195°C under <1 MPa, operates stably >420°C, delivers 230 W/mK thermal conductivity, suppresses electrochemical migration beyond 1,850h, cuts material expense by 95.6% ($110/kg vs $2,500/kg), and saves $71.70 per 800V EV traction inverter.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-06
DOI
https://doi.org/10.5281/zenodo.24019004
Primary Topic
Electronic Packaging and Soldering Technologies
Type
preprint
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preprint

AeroSolder-NiCu™: Low-Pressure Transient Liquid Phase Sintering of Graphene-Passivated Ni-Cu Nano-Alloy Displacing Nano-Silver in SiC/GaN Die-Attach

Antigravity Advanced Materials Laboratory
Zenodo (CERN European Organization for Nuclear Research)
Electronic Packaging and Soldering Technologies
preprint

AeroSolder-NiCu™: Low-Pressure Transient Liquid Phase Sintering of Graphene-Passivated Ni-Cu Nano-Alloy Displacing Nano-Silver in SiC/GaN Die-Attach

Antigravity Advanced Materials Laboratory
preprint en

Abstract

Preprint presenting AeroSolder-NiCu™, a submicron core-shell Cu@Ni@G nano-alloy in a TLPS vehicle for wide bandgap (SiC/GaN) power module die-attach. Densifies at 195°C under <1 MPa, operates stably >420°C, delivers 230 W/mK thermal conductivity, suppresses electrochemical migration beyond 1,850h, cuts material expense by 95.6% ($110/kg vs $2,500/kg), and saves $71.70 per 800V EV traction inverter.

Zenodo (CERN European Organization for Nuclear Research)
Industry, innovation and infrastructure
Electronic Packaging and Soldering Technologies
DOIOpen Access PDFOpenAlex
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AeroSolder-NiCu™: Low-Pressure Transient Liquid Phase Sintering of Graphene-Passivated Ni-Cu Nano-Alloy Displacing Nano-Silver in SiC/GaN Die-Attach — Antigravity Advanced Materials Laboratory · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS