| 438 / | HD | SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS |
| 309 | DF | FORMING BIPOLAR TRANSISTOR BY FORMATION OR ALTERATION OF SEMICONDUCTIVE ACTIVE REGIONS {25} |
| 364 | | .~ Self-aligned {2} |
| 365 | DF | .~.~> Forming active region from adjacent doped polycrystalline or amorphous semiconductor {2} |
| 369 | DF | .~.~> Dopant implantation or diffusion {2} |