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QFN Cutting by using CJK Blade
Cutting Parameter:
Dicing mc : Acretech Spindle speed : 30,000 rpm Feed rate : 45mm/s (Range 40-50) Cutting on UV tape
Blade new information •Blade type : Resin Blade • Blade side : 58/0.27/40 mm • Flange side : 52 mm • Exposure : 3.0 mm
QFN Cutting by using CJK Blade CRITERIA : Package Dimension
* RESULT :
All points Ppkmore than 1.67 and P –value > 0.05 (Normal) * Point E is length
CONCLUSION : PASSED & ACCEPTED
QFN Cutting by using CJK Blade CRITERIA : Copper Burr
CONCLUSION : PASSED & ACCEPTED
RESULT : * No evidence of smear. * Burr is 0.025 mm. maximum.
QFN Cutting by using CJK Blade
QFN Cutting by using CJK Blade
Results:
>> PASSED with no Burr
>> PASSED within dimension specification
>> Distance cutting 1200m
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