Inventor
FIES WILLIAM J
4 patents
Patents
4 patentsUS5756996AMay 26, 1998
Ion source assembly for an ion trap mass spectrometer and method
FINNIGAN CORP62 citations94
US4214160AJul 22, 1980
Mass spectrometer system and method for control of ion energy for different masses
FINNIGAN CORP72 citations94
US4032782AJun 28, 1977
Temperature stable multipole mass filter and method therefor
FINNIGAN CORP37 citations90
US4816675AMar 28, 1989
Quadrupole mass filter with unbalanced R.F. voltage
FINNIGAN CORP12 citations71