Inventor · Tempe, AZ, US

Paul Holzapfel

15Patents
10h-index
20Co-inventors
64Inventor score

Filing activity: Jul 15, 1996 → Oct 6, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5872633A Methods and apparatus for detecting removal of thin film layers during planarization Electricity 212 Expired
US6371838B1 Polishing pad conditioning device with cutting elements Emerging Cross-Sectional Technologies 72 Expired
US5961369A Methods for the in-process detection of workpieces with a monochromatic light source Physics 55 Expired
US5733171A Apparatus for the in-process detection of workpieces in a CMP environment Physics 46 Expired
US5958148A Method for cleaning workpiece surfaces and monitoring probes during workpiece processing Electricity 28 Expired
US5842912A Apparatus for conditioning polishing pads utilizing brazed diamond technology Performing Operations; Transporting 25 Expired
US5823853A Apparatus for the in-process detection of workpieces with a monochromatic light source Physics 23 Expired
US5993289A Methods for the in-process detection of workpieces in a CMP environment Physics 16 Expired
US6217410A Apparatus for cleaning workpiece surfaces and monitoring probes during workpiece processing Electricity 11 Expired
US6960115B2 Multiprobe detection system for chemical-mechanical planarization tool Electricity 11 Expired
US6347982B1 Method for making a polishing apparatus utilizing brazed diamond technology and titanium nitride Emerging Cross-Sectional Technologies 10 Expired
US6805613B1 Multiprobe detection system for chemical-mechanical planarization tool Electricity 9 Expired
US6347981B1 Method and apparatus for conditioning polishing pads utilizing brazed diamond technology and titanium nitride Emerging Cross-Sectional Technologies 8 Expired
US6350184B1 Polishing pad conditioning device with cutting elements Emerging Cross-Sectional Technologies 5 Expired
US7422892B2 Enzyme-based device for environmental monitoring Chemistry; Metallurgy 3 Expired

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