Process of monitoring dispensing of process fluids in...

Details Process of monitoring dispensing of process fluids in... Process of monitoring dispensing of process fluids in...

2011-03-22

2011-03-22

Nicolas, Frederick C. (Department: 3754)

Dispensing

Processes of dispensing

C222S058000, C073S296000

Reexamination Certificate

active

07909208

ABSTRACT:
A process of monitoring the dispensing of process fluids in precision processing operations. A precision measuring instrument measures a cumulative amount of a process fluid dispensed to at least one dispensing station and compares that amount with a predetermined amount. An alarm is provided to an operator when the cumulative actual required amount of process fluid dispensed after a preset number of dispensations differs from the cumulative predetermined dispensed amount of that fluid by more than a preset percentage.

REFERENCES:
patent: 4844297 (1989-07-01), Smith
patent: 7770448 (2010-08-01), Misra et al.

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