DF

Donald L. Friede

AM AMD: 6 patents #1,863 of 9,279Top 25%
Overall (All Time): #883,255 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6202589 Grounding mechanism which maintains a low resistance electrical ground path between a plate electrode and an etch chamber Stephanie Annette Grahn, Toby J. Winters 2001-03-20
6149368 Wafer disk pad having one or more wafer loading points to facilitate vacuum wand wafer loading and unloading J. Carlos Reyes, Jr., David S. McStay 2000-11-21
5672882 Ion implantation device with a closed-loop process chamber pressure control system Dennis J. Day 1997-09-30
5583799 M-Gage data acquisition system and method Van Le 1996-12-10
5528226 Apparatus and method for controlling the burn-off operation of a gas in a semiconductor wafer fabrication furnace William R. Brown, Dennis C. Swartz 1996-06-18
5418378 Ion implant device with modulated scan output Van Le, Denver L. Dolman 1995-05-23