Institution
Industrial Technology Research Institute
Recent research
- Engineering & TechnologyOpen access
Thermally induced protrusion of Cu pads embedded in SiO 2 vias is important for fine-pitch Cu/SiO 2 hybrid bonding, but its dependence on via geometry remains incompletely quantified. In this work, in situ heating atomic force microscopy (AFM) measurements at 25 and 200 °C are co...
- Engineering & TechnologyOpen access
Role of annealed copper plasticity in process-induced warpage of SiC power modules
Substrates, such as active metal brazing (AMB) and direct bond copper (DBC), play a crucial role in the warpage performance of power modules, significantly impacting alignment precision, manufacturing yield, and long-term reliability. However, the effect of the plastic behavior o...
- Materials & EnergyOpen access
Orchestrating Anion–π + Interactions to Accelerate Metal‐Free Room‐Temperature Phosphorescence
ABSTRACT Overcoming the long‐standing trade‐off between efficiency and radiative rate in metal‐free phosphorescence remains a central challenge in molecular photophysics and is pivotal for the next‐generation optoelectronic technologies. Here, we demonstrate that tuning the stren...
- Engineering & TechnologyOpen access
ABSTRACT Wearable and flexible optoelectronic devices are rapidly advancing toward human‐interactive applications. However, their operational lifespan is often limited by mechanical damage, interface delamination, and environmental influences. Existing encapsulation methods provi...
- Engineering & TechnologyOpen access
High-Efficiency Direct AC LED Driver with Adaptive Constant-Power Architecture
This paper presents a high-efficiency direct-AC LED driver integrating a 14-stage voltage-segmented architecture, digitally coordinated stage selection, and adaptive current-reference regulation. The proposed driver provides finer matching between the rectified bus voltage and th...