Inventor
EVANS CHRISTOPHER JAMES
US10 patents
⚠️ This page may combine multiple inventors who share the name “EVANS CHRISTOPHER JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZYGO CORP
8 patentsUS6714308B2Mar 30, 2004
Rapid in-situ mastering of an aspheric fizeau
ZYGO CORP26 citations92
US6816267B2Nov 9, 2004
Apparatus and method for calibrating an interferometer using a selectively rotatable sphere
ZYGO CORP8 citations73
US6734979B2May 11, 2004
Rapid in situ mastering of an aspheric Fizeau with residual error compensation
ZYGO CORP8 citations73
US7221461B2May 22, 2007
Method and apparatus for interferometric measurement of components with large aspect ratios
ZYGO CORP9 citations72
US6801323B2Oct 5, 2004
Methods and apparatus for interferometric dimensional metrology
ZYGO CORP11 citations72
US6876452B2Apr 5, 2005
Apparatus and methods for high accuracy metrology and positioning of a body
ZYGO CORP5 citations62
US6876453B2Apr 5, 2005
Metrology system for precision 3D motion
ZYGO CORP5 citations56
US7446883B2Nov 4, 2008
Method and apparatus for tilt corrected lateral shear in a lateral shear plus rotational shear absolute flat test
ZYGO CORP0 citations41