Inventor · Milpitas, CA, US

Wei Cao

41Patents
11h-index
95Co-inventors
78Inventor score

Filing activity: Oct 31, 2000 → Sep 26, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6498091B1 Method of using a barrier sputter reactor to remove an underlying barrier layer Electricity 520 Expired
US6607976B2 Copper interconnect barrier layer structure and formation method Electricity 241 Expired
US6660622B2 Process for removing an underlying layer and depositing a barrier layer in one reactor Electricity 107 Expired
US6730420B1 Magnetic thin film recording media having extremely low noise and high thermal stability Emerging Cross-Sectional Technologies 73 Expired
US6953742B2 Tantalum barrier layer for copper metallization Electricity 63 Expired
US6972267B2 Sequential deposition of tantalum nitride using a tantalum-containing precursor and a nitrogen-containing precursor Electricity 52 Expired
US8492169B2 Magnetic tunnel junction for MRAM applications Electricity 49 Active
US6811814B2 Method for growing thin films by catalytic enhancement Chemistry; Metallurgy 30 Expired
US7122386B1 Method of fabricating contact pad for magnetic random access memory Electricity 19 Expired
US9455400B2 Magnetic tunnel junction for MRAM applications Electricity 13 Active
US8450119B2 Magnetic tunnel junction patterning using Ta/TaN as hard mask Electricity 12 Expired
US7576002B2 Multi-step barrier deposition method Electricity 11 Expired
US8786036B2 Magnetic tunnel junction for MRAM applications Electricity 10 Active
US9159908B2 Composite free layer within magnetic tunnel junction for MRAM applications Electricity 5 Active
US7265404B2 Bottom conductor for integrated MRAM Electricity 5 Expired
US7358100B2 Bottom conductor for integrated MRAM Electricity 5 Active
US8969982B2 Bottom electrode for MRAM device Electricity 4 Active
US7838436B2 Bottom electrode for MRAM device and method to fabricate it Electricity 3 Active
US8273666B2 Process to fabricate bottom electrode for MRAM device Electricity 2 Active
US10176910B2 Non-oriented silicon steel and manufacturing process thereof Chemistry; Metallurgy 1 Active
US8736004B2 Magnetic tunnel junction for MRAM applications Electricity 1 Active
US11061501B2 Touch panel and manufacturing method thereof Physics 1 Active
US7514358B2 Sequential deposition of tantalum nitride using a tantalum-containing precursor and a nitrogen-containing precursor Electricity 1 Active
US7867896B2 Sequential deposition of tantalum nitride using a tantalum-containing precursor and a nitrogen-containing precursor Electricity 1 Active
US10871682B2 Method for manufacturing display panel, display panel and display device Physics 0 Active

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