On model of technological process to increase density of field-effect heterotransistors in the framework of three-stage differential amplifier. Influence of mismatch-induced stress and porosity of materials on technological process. Intell. Model. Electromech. Syst [Internet]. 2025 Aug. 6 [cited 2025 Aug. 13];. Available from: https://imes.reapress.com/journal/article/view/27