Point target image mosaic-based image sensor pixel pitch measurement method Grant CN-102607443-B China 24 Dec 2014
Method and device for measuring space of pixels of image sensor by using constant-speed… Grant CN-102607442-B China 24 Dec 2014
Method and device for measuring pixel pitch of image sensor by utilizing constant moving… Grant CN-102620669-B China 13 Aug 2014
Method and device for measuring pixel pitch of image sensor based on point-target image… Grant CN-102620668-B China 16 Jul 2014