MOS Slit Cutting Test-2
Tokoku
9/22/2006 Updated

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Tests & Results
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Result
5: Perfect cut ( cutoffs drop off )
4: Acceptably cut ( cutoffs drop off by giving a gentle nudge )
3: Almost cut ( there are some cutoffs left )  
2: Occasionally cut ( hard to drop cutoffs off )
1: Almost never cut


w/MOIRCS frame, 1-time cutting for each slit     ... Test w/MOIRCS frame

Aluminum Type Current Frequency Cutting Speed Result Comment
Hard-temper
(alloy-1100/1145)
( t=0.003mm )
17A 1 kHz 20mm/min 1
18A 2-4
19A 2-4 Current Method
24A --
18A 1 kHz 20mm/min --
5 kHz --
10 kHz --
24A 5 kHz 20mm/min 1
Black anodized
( t=0.003mm )
19A 1 kHz 20mm/min 2-3 FLAMINGOS's mask
Black painted
(alloy-1100/1145)
( t=0.003mm )
19A 3-4 Black magic marker
Black coated
(alloy-1100/temp-O)
( t=0.002mm )
19A -- Coating for absorption of light