By Rajiv Kohli, Kashmiri L. Mittal
ISBN-10: 9067643769
ISBN-13: 9789067643764
This quantity records the complaints of the International Symposium on floor infection and Cleaning, held in Newark, New Jersey, may perhaps 23-25, 2001. as a result of the value of this subject in lots of technological components, large efforts were dedicated to devise novel and extra effective how one can visual display unit, examine and symbolize illness on surfaces in addition to how you can eliminate such infection from a wide selection of surfaces. The technological parts the place floor illness has regularly been a bete noire and therefore floor cleansing is of cardinal significance are too many and diversity from aerospace to microelectronics to biomedical. This quantity encompasses a overall of 24 papers, all carefully peer reviewed and revised ahead of inclusion, which take care of every kind of contaminations on a bunch of surfaces. the subjects coated contain: mapping of floor contaminants; numerous suggestions for cleansing surfaces; numerous suggestions for tracking point of cleanliness; applicable cleanliness degrees; ionic illness; pharmaceutical cleansing validations; cleansing of glass surfaces; decontamination of delicate gear; no-chemistry approach cleansing; waterjet cleansing; cleansing with sturdy carbon dioxide pellet blasting; cleanroom wipers; airborne dirt and dust removing from sun panels and spacecraft on Mars; laser cleansing of silicon surfaces; particle elimination; implications of floor illness and cleansing; and way forward for commercial cleansing and similar public policy-making
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Extra resources for Surface Contamination and Cleaning: Volume 1
Sample text
Only contaminants that have an absorption wavelength in the UV region can be detected and analyzed. Calibration curves, utilizing samples with known concentration of contamination, can be developed and used to determine actual amount of contamination. K. K. K. 3. Use of an optical particle counter (OPC) As the name implies, this method is used for detecting particulate contamination. Typically the part or surface of interest is flushed with some fluid. The fluid is then analyzed using a particle counter.
4. G. Greenler, J. Chem. Phys. 44, 310-315 (1966). 5. L. H. ), Vol. 2, pp. 193-206, Academic Press, New York (1977). 6. G. R. J. ), Vol. 4, pp. 315-344, Academic Press, New York (1985). 7. K. Ottesen, J. Electrochem. Soc. 132, 2250-2257 (1985). 8. K. R. W. * 9. W. K. R. L. N. * 10. E. J. E. Bisson, Optics Letters 23, 159-169 (1998). mil. gov. Surface Contamination and Cleaning, Vol. 1, pp. 23–41 Ed. L. Mittal © VSP 2003 Monitoring cleanliness and defining acceptable cleanliness levels MANTOSH K.
K. Chawla An optimum level of cleanliness is the one that minimizes the total cost. Eventually one can arrive at a cleanliness level where the savings in the failure/nonconformance costs will not be offset by incremental cost of achieving cleanliness beyond the optimum level. A small range around the optimum level of cleanliness can be established as the “Acceptable Level” of cleanliness. 7. DEFINING ACCEPTABLE (“OPTIMUM”) LEVEL OF CLEANLINESS It is expected that the non-conformance levels will increase as the level of cleanliness decreases or vice versa.