Decoding the writing on the A64 Chip?

[fixxxer0]

Its oem and sitting in front of me. Just wondering how you decode the writing on it to tell you the "week" of the processor and confirm that its actually 90nm, ect ect.

Nothing looks as plain as a date to me.

 

[Nyati13]

You can confirm that it is 90nm if it ends with "BI" on the first line.

 

[Duvie]

The date will appear and start with an 04xx...no 05 yet as the first 2 numbers are the year...then the next 2 numbers are the week....

Newest chips I have been seeing are 0446....

 

[fixxxer0]

okay mine is 0441.....

is week 41 good? bad? lol its like tasting wine here