IFI

451 - ABRADING (IPC B24B)

       1999  1998  1997  1996  1995  1994  1993  1992  1991  1990  Total

TOSHIBA KIKAI K K JP
          1     0     3     1     0     0     0     1     1     0      7
READ-RITE CORP
          0     1     0     0     1     1     1     1     0     0      5
LAM RESEARCH CORP
          2     2     0     0     0     0     0     0     0     0      4
TOPCON K K JP
          2     1     0     0     0     0     0     1     0     0      4
PPG INDUSTRIES INC
          0     0     0     0     0     0     0     1     2     0      3
QUANTUM CORP
          0     0     1     1     1     0     0     0     0     0      3
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD SG
          1     0     1     0     0     0     0     0     0     0      2
INA WALZLAGER SCHAEFFLER OHG DE
          0     1     1     0     0     0     0     0     0     0      2
NATIONALE D'ETUDE ET DE CONSTR DE MOTEURS D'AVIATION FR
          0     1     0     0     0     0     0     1     0     0      2
PENN STATE RESEARCH FOUNDATION THE
          1     1     0     0     0     0     0     0     0     0      2
SMS SCHLOEMANN-SIEMAG AG DE
          0     2     0     0     0     0     0     0     0     0      2
AEROSPATIALE SOC NATIONALE INDUSTRIELLE FR
          0     0     0     0     0     0     0     1     0     0      1
ATLANTIC RICHFIELD CO
          0     0     0     0     0     0     0     0     1     0      1
BORG-WARNER AUTOMOTIVE INC
          0     1     0     0     0     0     0     0     0     0      1
FANUC LTD JP
          0     0     0     0     0     0     0     1     0     0      1
MITSUI MINING & SMELTING CO LTD JP
          0     0     1     0     0     0     0     0     0     0      1

Total     7    10     7     2     2     1     1     7     4     0     41