Inventor · San Jose, CA, US

Jianming Fu

97Patents
31h-index
62Co-inventors
91Inventor score

Filing activity: Jun 7, 1995 → Jul 9, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6277249A Integrated process for copper via filling using a magnetron and target producing highly energetic ions Electricity 195 Expired
US6251242A Magnetron and target producing an extended plasma region in a sputter reactor Electricity 182 Expired
US6274008A Integrated process for copper via filling Electricity 155 Expired
US6784096B2 Methods and apparatus for forming barrier layers in high aspect ratio vias Electricity 114 Expired
US5897752A Wafer bias ring in a sustained self-sputtering reactor Electricity 99 Expired
US6413382B1 Pulsed sputtering with a small rotating magnetron Electricity 98 Expired
US5985759A Oxygen enhancement of ion metal plasma (IMP) sputter deposited barrier layers Electricity 91 Expired
US6306265A High-density plasma for ionized metal deposition capable of exciting a plasma wave Electricity 82 Expired
US6398929B1 Plasma reactor and shields generating self-ionized plasma for sputtering Electricity 69 Expired
US6183614A Rotating sputter magnetron assembly Electricity 65 Expired
US6221221A Apparatus for providing RF return current path control in a semiconductor wafer processing system Electricity 62 Expired
US6451177B1 Vault shaped target and magnetron operable in two sputtering modes Electricity 61 Expired
US6271592A Sputter deposited barrier layers Electricity 59 Expired
US6228236A Sputter magnetron having two rotation diameters Electricity 59 Expired
US6444104B2 Sputtering target having an annular vault Electricity 51 Expired
US6436251B2 Vault-shaped target and magnetron having both distributed and localized magnets Electricity 51 Expired
US5736021A Electrically floating shield in a plasma reactor Electricity 50 Expired
US6358376B1 Biased shield in a magnetron sputter reactor Electricity 48 Expired
US6582569B1 Process for sputtering copper in a self ionized plasma Electricity 41 Expired
US6413383B1 Method for igniting a plasma in a sputter reactor Electricity 40 Expired
US6627050B2 Method and apparatus for depositing a tantalum-containing layer on a substrate Electricity 38 Expired
US6692617B1 Sustained self-sputtering reactor having an increased density plasma Electricity 38 Expired
US6974771B2 Methods and apparatus for forming barrier layers in high aspect ratio vias Electricity 36 Expired
US7253109B2 Method of depositing a tantalum nitride/tantalum diffusion barrier layer system Electricity 35 Expired
US6893541B2 Multi-step process for depositing copper seed layer in a via Electricity 35 Expired

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