パワー半導体

https://www.youtube.com/watch?v=jzRy9NESnms

https://gyazo.com/e479821d3d10b4c1d02abd17121a7682

https://www.youtube.com/watch?v=H6JRCe-3Bew&t=1416s

https://gyazo.com/139ebcbbd5bf64552265cf5cf09dab41

https://www.youtube.com/watch?v=XMGrCNVXZKM

https://gyazo.com/3c85f9aa8140628dff66aa3e51c35d64