438 / | HD | SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS |
510 | DF | INTRODUCTION OF CONDUCTIVITY MODIFYING DOPANT INTO SEMICONDUCTIVE MATERIAL {7} |
514 | DF | .~ Ion implantation of dopant into semiconductor region {12} |
518 | DF | .~.~ Of compound semiconductor {3} |
519 | DF | .~.~.~ Including multiple implantation steps {2} |
520 | .~.~.~.~ Providing nondopant ion (e.g., proton, etc.) |