Inventor · Portland, OR, US

Christopher E. Barns

8Patents
7h-index
17Co-inventors
60Inventor score

Filing activity: Apr 23, 1979 → Mar 15, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6106662A Method and apparatus for endpoint detection for chemical mechanical polishing Performing Operations; Transporting 130 Expired
US5547417A Method and apparatus for conditioning a semiconductor polishing pad Performing Operations; Transporting 123 Expired
US5635083A Method and apparatus for chemical-mechanical polishing using pneumatic pressure applied to the backside of a substrate Electricity 109 Expired
US5554064A Orbital motion chemical-mechanical polishing apparatus and method of fabrication Performing Operations; Transporting 101 Expired
US6095904A Orbital motion chemical-mechanical polishing method and apparatus Performing Operations; Transporting 12 Expired
US4271761A High acceleration cable deployment system Mechanical Engineering; Lighting; Heating 12 Expired
US6083089A Method and apparatus for chemical mechanical polishing Electricity 7 Expired
US9190796B2 Apparatus for precision insertion Emerging Cross-Sectional Technologies 0 Active

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