Search Results - "Choe, Chanyang"
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1
Lifetime Prediction of a SiC Power Module by Micron/Submicron Ag Sinter Joining Based on Fatigue, Creep and Thermal Properties from Room Temperature to High Temperature
Published in Journal of electronic materials (01-03-2021)“…Ag sinter joining technology has gained increasing attention for its excellent thermal and mechanical properties, especially for high-temperature applications…”
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Journal Article -
2
Bonding technology based on solid porous Ag for large area chips
Published in Scripta materialia (15-03-2018)“…A bonding technology is introduced by using surface polished porous Ag in die-attachment structure. Bonding strength did not change much as the chip size…”
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3
Thermal Shock Performance of DBA/AMB Substrates Plated by Ni and Ni⁻P Layers for High-Temperature Applications of Power Device Modules
Published in Materials (28-11-2018)“…The thermal cycling life of direct bonded aluminum (DBA) and active metal brazing (AMB) substrates with two types of plating-Ni electroplating and Ni⁻P…”
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Journal Article -
4
Effect of oxygen on microstructural coarsening behaviors and mechanical properties of Ag sinter paste during high-temperature storage from macro to micro
Published in Journal of alloys and compounds (05-09-2020)“…This study systematically investigates the effect of oxygen on the microstructural evolution as well as the macro/micromechanical characterization of Ag sinter…”
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Journal Article -
5
Low-stress design of bonding structure and its thermal shock performance (− 50 to 250 °C) in SiC/DBC power die-attached modules
Published in Journal of materials science. Materials in electronics (01-08-2018)“…Low-stress design of bonding technology with a sandwich structure of sintered Ag and tungsten (W) thin film was developed for SiC power die-attached modules…”
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6
Ag particles for sinter bonding: Flakes or spheres?
Published in Applied physics letters (24-06-2019)“…This paper examines a unique mechanism in Ag micrometer flake sintering which reveals that self-produced Ag nanoparticles, created by the heating of the…”
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7
The Ʃ3 twin dependence of thermo-mechanical fatigue of a polycrystalline high-purity Cu film
Published in International journal of fatigue (01-09-2021)“…[Display omitted] •Fatigue characteristics of high-purity Cu films from RT to 200 °C were investigated.•TMF characteristics of high-purity Cu were…”
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8
Influence of thermal exposure upon mechanical/electrical properties and microstructure of sintered micro-porous silver
Published in Microelectronics and reliability (01-09-2018)“…Silver sinter paste has been considered as promising joint materials for SiC and GaN power modules due to its excellent thermo-stability and high…”
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9
Low temperature low pressure solid-state porous Ag bonding for large area and its high-reliability design in die-attached power modules
Published in Ceramics international (01-05-2019)“…Solid-state porous Ag was utilized to achieve interface bonding under low temperature and low-pressure for large area, high-reliability designs for high…”
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10
Development of thermal shock-resistant of GaN/DBC die-attached module by using Ag sinter paste and thermal stress relaxation structure
Published in Microelectronics and reliability (01-09-2018)“…GaN die-attach/DBC substrate joint structure bonded by Ag sinter paste/W thin film/Ag sinter paste sandwich die-attached layer was designed and its…”
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Journal Article -
11
Printed wire interconnection using Ag sinter paste for wide band gap power semiconductors
Published in Journal of materials science. Materials in electronics (01-09-2018)“…This study reports a novel high-temperature and high-current wire interconnection by printing Ag sinter paste for WBG semiconductor power devices. The Ag…”
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Journal Article -
12
Real-Time Acoustic Emission Monitoring of Wear-Out Failure in SiC Power Electronic Devices During Power Cycling Tests
Published in IEEE transactions on power electronics (01-04-2021)“…In the article, acoustic emission (AE) was applied to monitor the wear-out failure in discrete SiC Schottky barrier diodes devices with a Ag sinter die attach…”
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Journal Article -
13
Improvement of the Bond Strength of Ag Sinter-Joining on Electroless Ni/Au Plated Substrate by a One-Step Preheating Treatment
Published in Journal of electronic materials (01-02-2019)“…Ag sinter-joining technology has become one of the leading candidates to replace conventional high-Pb soldering technology for wide bandgap (WBG) power…”
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Journal Article -
14
Bonding technology using cold-rolled Ag sheet in die-attachment applications
Published in 2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia) (01-05-2018)“…This work introduce a solid-state bonding technology, which uses cold-rolled Ag sheet as a bonding material for die-attachment applications. The process of…”
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Conference Proceeding -
15
Thermal effect on material properties of sintered porous silver during high temperature ageing
Published in 2017 18th International Conference on Electronic Packaging Technology (ICEPT) (01-08-2017)“…Thermal ageing of micro-porous sintered silver was examined under high temperature exposure. Silver sinter paste was printed in a shape of a tensile specimen…”
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Conference Proceeding -
16
Power cycling tests under driving ΔTj = 125 °C on the Cu clip bonded EV power module
Published in Microelectronics and reliability (01-11-2022)“…This study investigated the power cycling performance on a transfer-molded power module with Cu clip bonding for the next-generation green automotive…”
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Journal Article -
17
Necking growth and mechanical properties of sintered Ag particles with different shapes under air and N.sub.2 atmosphere
Published in Journal of materials science (01-10-2019)“…Ag sinter joint is gaining greater attention for use with wide-bandgap die attach modules in high-temperature applications. In this study, we have investigated…”
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Journal Article -
18
Necking growth and mechanical properties of sintered Ag particles with different shapes under air and N2 atmosphere
Published in Journal of materials science (30-10-2019)“…Ag sinter joint is gaining greater attention for use with wide-bandgap die attach modules in high-temperature applications. In this study, we have investigated…”
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Journal Article -
19
Effect of oxygen on Ag sintering technology with low temperature pressureless
Published in 2018 19th International Conference on Electronic Packaging Technology (ICEPT) (01-08-2018)“…Ag sintering technology has received more and more attention to achieve the high-temperature applications above 250°C due to its super physical properties in…”
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Conference Proceeding