Inventor · San Jose, CA, US

Zhongwei Chen

112Patents
12h-index
68Co-inventors
89Inventor score

Filing activity: Nov 21, 2002 → Aug 5, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6815345B2 Method for in-line monitoring of via/contact holes etch process based on test structures in semiconductor wafer manufacturing Electricity 91 Expired
US9607805B2 Apparatus of plural charged-particle beams Electricity 43 Active
US9922799B2 Apparatus of plural charged-particle beams Electricity 40 Active
US8294095B2 Apparatus of plural charged particle beams with multi-axis magnetic lens Electricity 37 Active
US10141160B2 Apparatus of plural charged-particle beams Electricity 31 Active
US10062541B2 Apparatus of plural charged-particle beams Electricity 26 Active
US10643820B2 Apparatus of plural charged-particle beams Electricity 23 Active
US10879031B2 Apparatus of plural charged-particle beams Electricity 23 Active
US7960697B2 Electron beam apparatus Electricity 19 Active
US9691588B2 Apparatus of plural charged-particle beams Electricity 19 Active
US9000395B2 Energy filter for charged particle beam apparatus Electricity 14 Active
US8436317B1 Wien filter Electricity 13 Active
US10236156B2 Apparatus of plural charged-particle beams Electricity 12 Active
US10395886B2 Apparatus of plural charged-particle beams Electricity 11 Active
US7825386B2 System and method for a charged particle beam Electricity 10 Active
US8445862B2 Apparatus of plural charged particle beams with multi-axis magnetic lens Electricity 10 Active
US9691586B2 Apparatus of plural charged-particle beams Electricity 10 Active
US8003953B2 Multi-axis magnetic lens Electricity 9 Active
US8274046B1 Monochromator for charged particle beam apparatus Electricity 7 Active
US7919760B2 Operation stage for wafer edge inspection and review Electricity 6 Active
US9330987B2 Hot spot identification, inspection, and review Electricity 6 Active
US8164060B2 System and method for a charged particle beam Electricity 6 Active
US9105440B2 Apparatus of plural charged particle beams with multi-axis magnetic lens Electricity 5 Active
US10784077B2 Systems and methods for charged particle flooding to enhance voltage contrast defect signal Electricity 5 Active
US8094924B2 E-beam defect review system Electricity 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.