438 / | HD | SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS |
106 | DF | PACKAGING (E.G., WITH MOUNTING, ENCAPSULATING, ETC.) OR TREATMENT OF PACKAGED SEMICONDUCTOR {10} |
121 | DF | .~ Metallic housing or support {3} |
122 | .~.~ Possessing thermal dissipation structure (i.e., heat sink) |