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UMC Wafer Map Description

Wafers produced by UMC may be accompanied by probe data using this map format.


UMC                        indicates UMC map file format
X410268                    lot ID
X410268-09                 lot ID/Wafer Number
X410268_X410268-09.UMC     file name?
ROWCNT 148                 number of rows
COLCNT 147                 number of columns
PASBIN 1                   bin code for PASS devices
NODI   .,X                 bin codes for no die (comma delimited)

The header is immediately followed by the map. The map uses a single ASCII character with no spaces between bin codes and a CR/LF at the end of each row.

..............................................................XXXXXXXXXXXXXXXXXXXX
..............................................................XXXXXXXXXXXXXXXXXXXX
..............................................................XXXXXXXXXXXXXXXXXXXX
..............................................................X1111111111111111111
..........................................XXXXXXXXXXXXXXX11111111111X1111111111111
..........................................XXXXXXXXX111111111111111111111111111111X
..........................................XXXXX11111111111111111111111111111111111
..........................................XX111X11111X1111111X111111111X11X1111111
..............................XXXXXXXXXXX1111111X11111111111111111111111111111111X
..............................XXXXXXXX1111111111X1111111111111111111111111X111111X
..............................XXXX11111111111111X1111111111111111111111X111111111X
..............................XX1111X11111111111XX1111X111111XX11111111111XX11X11X
.....................XXXXXXXX1111111111111111111X11111111111111X1111111111X111111X
.....................XXXXXX111111111111111111111X11111111111111111111111111111111X
.....................XXX11111111111111111111111XX1111111111111111111111111111111XX
.....................X1111111111111111111111XXXXXXXXXX111111111111111X1111111XXXXX
.............XXXXXXX11111111111111111111111111111111111111111111111111111111111111
.............XXXXX111111X111111111111111111111111111111111111111111111111111111111
.............XXX111111111111111111111111111111111111111111111111111111111111111111
.............111111111XX1111111111111111111111111X1X11111X1X1111111XX11X1X11111111
......XXXXX1111111111X111111111111111111111111111111X11111111111111111111111111111
......XXXX111111111111111111111111111111111111111111111111111111111111111111111111
......XX1111111111111111111111111111111111111111111111111111111X111111111111111111
......1111X11X111111111X1111111111111111111111111111X1111111111111X111X11111X11111
XXXX111111111111111111111111111111111111111111111111111111111111111111111111111111
XXX1111111111111111111111111111111111111111111111111111111111111111111111111111111

We don't have a full specification on the UMC wafer map format so are working only from sample data.




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