P

Assignee

AMRAY INC

US5 patents

Top patents by PatentIndex Score

US5216235AJun 1, 1993

Opto-mechanical automatic focusing system and method

AMRAY INC61 citations90
US5734164AMar 31, 1998

Charged particle apparatus having a canted column

AMRAY INC51 citations87
US4948971AAug 14, 1990

Vibration cancellation system for scanning electron microscopes

AMRAY INC21 citations76
US5049745ASep 17, 1991

Phase-compensating vibration cancellation system for scanning electron microscopes

AMRAY INC15 citations68
US4922196AMay 1, 1990

Beam-blanking apparatus for stroboscopic electron beam instruments

AMRAY INC5 citations58