Appendix
EN-73
ShopFloor Date Code Format
Description
Format
Type
Year
(unit digit)
Week
Origin
Year
(tens digit)
Serial
number
Example
SY
0
17
0
1
12345
Date Code
2
1
2
1
1
5
Total code
numbers
12
Definition of the Date Code
First Date Code: Type
SY … System (complete machine)
Second Date Code: Year (unit digit)
Last digit of the calendar year. Example: 20
10 “0”, 2015 “5”
Third Date Code: Week
Week of the calendar year. Example: Januar
y 1 “1”, January 8 “2”
Fourth Date Code: Origin
0 … Main Factory (Twinhead International Corp.)
Fifth Date Code: Year (tens digit)
Tens digit of the calendar year. Example: 20
10 “1”, 2023 “2”
Sixth Date Code: Serial number
Unique 5-character sequence number assigned to the batch.