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Die Scratches

This document contains test results from quality inspections of products from three lots - J, K, and L. It shows the total items inspected and defects found for each lot. The main issues found were: - Lot J had 14 defects total, with the most common being 3 defects from bad die rotation and 1 foreign material on bonded wires - Lot K had 8 total defects, with 2 from bad die rotation and 6 from foreign material on the die - Lot L had 2 total defects, with 1 from bad die rotation and 1 lifted stitch

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Sumathi Ilamaran
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47 views4 pages

Die Scratches

This document contains test results from quality inspections of products from three lots - J, K, and L. It shows the total items inspected and defects found for each lot. The main issues found were: - Lot J had 14 defects total, with the most common being 3 defects from bad die rotation and 1 foreign material on bonded wires - Lot K had 8 total defects, with 2 from bad die rotation and 6 from foreign material on the die - Lot L had 2 total defects, with 1 from bad die rotation and 1 lifted stitch

Uploaded by

Sumathi Ilamaran
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
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Q08CMI00J Q08CMI00K Q08CMI00L

6773 6773 1654


6773 6773 1654
6759 6765 1652
99.79% 99.88% 99.88% J
real reject over reject
0 2 1 Bad Pad [Bad Die Rotation]
0 1 0 Die scratches
0 0 0 Chipped Die
3 0 0 Others 3 (die rotation) 0
11 6 0 Foreign Material 1 (FM of bonded wires) 10 (fm on die)
0 1 0 Damage Wire
0 0 0 Double bond
0 0 0 Missing Wire
0 0 0 Bond off pad
0 0 0 Bond off lead
0 0 1 Lead scratch
0 0 0 Lifted ball
0 0 1 Lifted stitch
0 0 0 Cracked die
0 0 0 Wrong bond
0 0 0 KNS defult
0 0 0 Not Enough Die

14 8 2
14 8 2
1 1 1
K L
real reject over reject real reject over reject
2 1 (die rotation)

0 6
1 (scratch on die) 0

1 (die rotation)
WRONG DIE FOREIGN
LOT ORIENTATION OTHERS MATERIAL DAMAGE WIRE

3
REJECT (DIE ROTATION) 1 (FM ON WIRE)
J
OVER REJECT 10 (FM ON DIE)

1
REJECT 2
(SCRATCH ON DIE)
K
OVER REJECT 6 (FM ON DIE)

REJECT 1
L
OVER REJECT
LIFTED STICH TOTAL OVER REJECT %

10

3
70.8%
6

1 1

TOTAL 24

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