- Patent: EP3975224B1
- Authors: Irmantas Kašalynas, Simonas Indrišiūnas, Pawel Prystawko, Piotr Kruszewski
Description: The invention relates to fabrication of recessed electrical contacts for wide-bandgap group III nitride semiconductor components using ultrashort pulsed laser microprocessing in controlled atmospheres. The method enables precise formation of recessed electrical elements in semiconductor heterostructures.