US PATENT SUBCLASS 438 / FOR 441
ION BEAM SOURCE AND GENERATION (437/930)
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
438 /
HD
SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
FOR 441
ION BEAM SOURCE AND GENERATION (437/930)
DEFINITION
Classification: 438/FOR.441
ION BEAM SOURCE AND GENERATION:
Foreign art collection involving use of a source and generation of ion beams.