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D 120 Cleaning of wafer frames with brushing machines ( Date: 2005-01-28 )
Wafer frames made of fibre glas plastic are cleaned in a continuous flow brushing machine with water from glue residues; thereafter reuse of frames
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Type of cleaning : Automatic cleaning facilities using e.g. e- controlled brushes, jet stream etc.
Multitask equipment
Central cleaning station
Cleaning support : Automated mechanical support (spraying, brushing a
Description :
Since when do you apply current cleaningsystem? : 7 / 2004
Step : 1. Cleaning, 150 litre, 20,0 ░C, (Tap water)
2. Drying, (No agent)
Duration of cleaning process for one part (min.) : 0,1
Duration of cleaning process for the charge (min.) : 0,1
How often is the cleaning done (per day) : 4.700,0
Further treatment : Repair, maintenance
Surface requirements : dry
Free of glue
Quick tests Visual control
Advanced tests : No statement
Quality of cleaning : very good
Rating: The same quality is achieved as earlier on when parts were cleaned manually with solvents
Company evaluation of cleaning process in general : very good
Comment :
Incidences : No statement from company
Working environment : No statement from company
Protection equipment : Covered / closed plant


Evaluation by company personnel
Occupational safety and health : good
Environment protection : very good
Cleaning time : very good
Waste management : satisfactory
Cleaning quality : very good