CK

Chris Karlsrud

SC Speedfam Co.: 12 patents #2 of 105Top 2%
SP Speedfam-Ipec: 12 patents #4 of 143Top 3%
📍 Chandler, AZ: #211 of 3,331 inventorsTop 7%
🗺 Arizona: #1,300 of 32,909 inventorsTop 4%
Overall (All Time): #175,760 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
6852007 Robotic method of transferring workpieces to and from workstations Jose R. Gonzalez-Martin 2005-02-08
6520839 Load and unload station for semiconductor wafers Jose R. Gonzalez-Martin 2003-02-18
6390897 Cleaning station integral with polishing machine for semiconductor wafers Jose R. Gonzalez-Martin 2002-05-21
RE37622 Wafer polishing method and apparatus Anthony G. Van Woerkom, Shigeru Odagiri, Isao Nagahashi 2002-04-02
6364745 Mapping system for semiconductor wafer cassettes Jose R. Gonzalez-Martin, Robert F. Allen, Toby Jordan, Craig Howard, Arthur Hamer +5 more 2002-04-02
6350177 Combined CMP and wafer cleaning apparatus and associated methods Jose R. Gonzalez-Martin, Robert F. Allen, Toby Jordan, Craig Howard, Arthur Hamer +5 more 2002-02-26
6309279 Arrangements for wafer polishing Mike L. Bowman, Gene Hempel, Franklin D. Root 2001-10-30
6227946 Robot assisted method of polishing, cleaning and drying workpieces Jose R. Gonzalez-Martin 2001-05-08
6213853 Integral machine for polishing, cleaning, rinsing and drying workpieces Jose R. Gonzalez-Martin, Robert F. Allen, Toby Jordan, Craig Howard, Arthur Hamer +5 more 2001-04-10
6125861 Post-CMP wet-HF cleaning station Anand Gupta, Periya Gopalan, Daniel Ray Trojan, Jeffrey Butler Cunnane, Jon MacErnie 2000-10-03
5989104 Workpiece carrier with monopiece pressure plate and low gimbal point Inki Kim, John Natalicio, James Allen Schlueter, Thomas K. Crosby 1999-11-23
5975991 Method and apparatus for processing workpieces with multiple polishing elements 1999-11-02
5954888 Post-CMP wet-HF cleaning station Anand Gupta, Periya Gopalan 1999-09-21
5872633 Methods and apparatus for detecting removal of thin film layers during planarization Paul Holzapfel, James C. Schlueter, Warren Lin 1999-02-16
5834645 Methods and apparatus for the in-process detection of workpieces with a physical contact probe Anthony L. Bartels, Bob Allen, Joe Mosca 1998-11-10
5791975 Backing pad Joseph V. Cesna, Spencer Preston 1998-08-11
5791978 Bearing assembly for wafer planarization carrier Joseph V. Cesna, Gordon J. Grosslight 1998-08-11
5569062 Polishing pad conditioning 1996-10-29
5498199 Wafer polishing method and apparatus Anthony G. Van Woerkom, Shigeru Odagiri, Isao Nagahashi, Spencer Preston 1996-03-12
5498196 Wafer polishing method and apparatus Anthony G. Van Woerkom, Shigeru Odagiri, Isao Nagahashi 1996-03-12
5329732 Wafer polishing method and apparatus Anthony G. Van Woerkom, Shigeru Odagiri, Isao Nagahashi 1994-07-19
5274960 Uniform velocity double sided finishing machine 1994-01-04
5187901 Circumferential pattern finishing machine 1993-02-23
5123218 Circumferential pattern finishing method 1992-06-23