Microstructure and mechanical properties of sintered Ag particles with flake and spherical shape from nano to micro size

C Chen, K Suganuma - Materials & Design, 2019 - Elsevier
This work firstly evaluated the microscale mechanical properties of sintered Ag, consisting of
various Ag particles of a flake shape and spherical shape from nano to micro size …

Low-temperature and pressureless sinter joining of Cu with micron/submicron Ag particle paste in air

Z Zhang, C Chen, Y Yang, H Zhang, D Kim… - Journal of Alloys and …, 2019 - Elsevier
Sinter joining with Ag particle paste has emerged as a promising lead-free die-attachment
solution for power devices owing to its low-temperature and pressureless processing …

Die bonding performance using bimodal Cu particle paste under different sintering atmospheres

Y Gao, H Zhang, W Li, J Jiu, S Nagao… - Journal of Electronic …, 2017 - Springer
A one-step polyol method was employed to synthesize bimodal Cu particles with average
diameters around 200 nm and 1000 nm, respectively. The bimodal Cu particles were mixed …

Pressureless and low-temperature sinter-joining on bare Si, SiC and GaN by a Ag flake paste

Z Zhang, C Chen, A Suetake, MC Hsieh, A Iwaki… - Scripta Materialia, 2021 - Elsevier
In this work, we applied a Ag flake formed paste for sinter-joining on bare Si, SiC, and GaN
surfaces. The sintered joints possess a high shear strength of over 40 MPa under a …

Surface modification of Ag-coated Cu particles using dicarboxylic acids to enhance the electrical conductivity of sintered films by suppressing dewetting in Ag shells

Y Kim, EB Choi, JH Lee - Applied Surface Science, 2023 - Elsevier
A resin-free paste containing 1.5 μm Cu@ Ag particles was fabricated and used to form a
film with excellent electrical conductivity even after a significantly high-speed sintering …

High-temperature reliability of low-temperature and pressureless micron Ag sintered joints for die attachment in high-power device

H Zhang, C Chen, J Jiu, S Nagao… - Journal of Materials …, 2018 - Springer
Micron Ag paste had a more affordable price, feasible large-scale synthesis, and longer
storage life compared to nano Ag paste, thus it attracts much industrial interest for die …

Robust bonding and thermal-stable Ag–Au joint on ENEPIG substrate by micron-scale sinter Ag joining in low temperature pressure-less

C Chen, Z Zhang, Q Wang, B Zhang, Y Gao… - Journal of Alloys and …, 2020 - Elsevier
Robust bonding and thermal-stable sinter Ag joining on an Au finished substrate was first
time achieved for use in SiC power modules. Five kinds of Ag paste, including different …

[HTML][HTML] Improved sinter-bonding properties of silver-coated copper flake paste in air by the addition of sub-micrometer silver-coated copper particles

MI Kim, EB Choi, JH Lee - Journal of Materials Research and Technology, 2020 - Elsevier
To promptly form a bondline with high thermal stability and thermal conductivity using a
small amount of expensive Ag, dies were attached to Ag finishes by pressure-assisted sinter …

Enhancing low-temperature and pressureless sintering of micron silver paste based on an ether-type solvent

H Zhang, W Li, Y Gao, H Zhang, J Jiu… - Journal of Electronic …, 2017 - Springer
Micron silver paste enables a low-temperature and pressureless sintering process by using
an ether-type solvent CELTOL-IA (C x H y O z, x> 10, boiling point of approximately 200° C) …

Effect of electroplated Au layer on bonding performance of Ag pastes

T Fan, H Zhang, P Shang, C Li, C Chen, J Wang… - Journal of Alloys and …, 2018 - Elsevier
In the silver sinter joining process, not only the bonding materials but also the metallization
layer play important roles in bonding reliability. Compared with Ag, Au is utilized less often …