Ji-hoon Choi

Ji-hoon Choi

CEO, AQLASER

25 Years of Micro-Laser Application Expert in Semiconductor, Advanced- Packaging & Display Industry.


Bachelor in ME & Masters in Physics at Chungnam National University of Korea 

 

Display System Engineer at SEMES (A Samsung Affiliate) 

 

Laser Application Engineer at JASTECH, (KOSDAQ) 
 - Developed World’s 1st Laser Bonding System for Wafer Probe Card

 

Laser Application Group Leader at SoulBrain System (KOSDAQ)
- Developed Laser Cutting / Patterning / Repair Systems as a team leader 

 

Laser Application Division Leader at DIT (KOSDAQ)
- Developed IGBT Annealing, Glass Cutting & Waterjet System for Samsung

 

Co-founder of Jeongwon Tech (2009)

- Developed and Launched World’s 1st Laser Bonder for Wafer Probe-card Inspection

- Developed Korea’s 1 st Laser Jetting System for Flip-chip Package Solderball Process

- Developed World’s 1 st TC Bonder for HBM Module (Co-developed with AMKOR)

- Developed World’s 1 st Selective Laser Reflow System for Flip-chip packages (Sold to AMKOR)

 

Founder of AQLASER (2016) 
 - Leading Various Micro Laser Application Projects with Global Toptier US / Korea / Taiwan Customers