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5 SEMI T9-0200 © SEMI 1998, 2004 6.3.3 For the default location for the symbol, A = 0.4 mm a nd B = 2.5 mm.This location may not be acceptable for all lead strips. The mark m ay be placed in other locatio ns provided tha…
SEMI T9-0200 © SEMI 1998, 2004 4
6.2.2.3 The condensed message code shall contain 12
to 16 characters. The first 12 characters shall be
contained in sub-fields 1 through 3, as listed in Table 3.
The number of message characters in each of these sub-
fields is fixed. Content of sub-field(s) for characters 13
through 16, if present, are to be agreed upon between
supplier and user.
6.2.3 Sub-fields 2 and 3 in Table 2 and Table 3 are
intended to provide a unique identification number for
each strip from a given supplier.
Table 2 Sub-Field Message Characters in
Rectangular Arrays for Use on Lead-Frame Strips
(Standard Message Code)
Sub-Field Content
# Symbol Content
Character Symbols Number of
Characters
1 Field Identifier IT
#1
2
2 Traceability Number:
Coil S/N
vendor assigned
#2
3
3 Traceability Number:
Strip ID
vendor assigned
#2
7
4 Concatenation Symbol + 1
5 Field Identifier 3V
#1
2
6 Supplier ID UCC/EAN coding 7
7 Optional Information Vendor-user agreed 0 to 50
Total 22 to 72
#1: These field identifiers are described in ANSI-FACT-1.
#2: Lead-frame strip suppliers.
Table 3 Sub-Field Message Characters in 16 x 16
Arrays for Use on Lead-Frame Strips (Condensed
Message Code)
# Sub-Field
Content
Character
Symbol
Number of
Characters
1 Field Identifier IT
#1
2
2 Traceability
Number: Coil
S/N
Vendor-
assigned
#2
3
3 Traceability
Number: Strip ID
Vendor-
assigned
#2
7
4 Optional
Information
Vendor-user
agreed
0 to 4
Total Characters 12 to 16
#1: These field identifiers are described in ANSI-FACT-1.
#2: Lead-frame strip suppliers.
6.3 Location of the Data Matrix Code Symbol
6.3.1 With the strip positioned front surface up and
with the strip orientation corner away from the operator
and to the operator’s right, the reference point of the
data matrix code symbol shall be placed adjacent to the
leading edge of the strip, and toward the strip
orientation corner as specified in Table 4 and Figure 5.
6.3.2 The primary row of the symbol shall be parallel
to the adjacent edge of the substrate ± 10.0. The
primary column of the symbol shall be nominally
perpendicular to the same edge. The reference point of
the symbol shall be located 0.3 mm minimum, from the
adjacent strip rail, 2.0 mm minimum, from the adjacent
strip end and toward the strip orientation corner.
Table 4 Location of 2-D Matrix Code Symbol Strip
Front Surface Up, Strip Orientation Corner Away
from the Operator and Toward the Operator's Right
Type of Array Reference Point Location of Reference Point
Rectangular Common cell of
primary border
row and column.
A ± 0.1 mm from the
nominal edge of the rail, B
± 0.5 mm from the adjacent
strip end and toward the
strip orientation corner (see
Section 6.3.4).
5 SEMI T9-0200 © SEMI 1998, 2004
6.3.3 For the default location for the symbol, A = 0.4 mm and B = 2.5 mm.This location may not be acceptable for
all lead strips. The mark may be placed in other locations provided that the following condition is maintained:
6.3.3.1 A zone 0.3 ± 0.1 mm wide and clear of marks and other surface features is maintained around the entire data
matrix code (sometimes called “quiet zone”).
6.3.4 Refer to Figure 6 for examples of acceptable data matrix code locations on several lead-frame designs.
Figure 1
Data Matrix Field Dimensions
Figure 2
Data Matrix Cell Dimensions
SEMI T9-0200 © SEMI 1998, 2004 6
Figure 3
Border Rows and Columns
Figure 4
Data Matrix Code Field
ECC200 – 12 Rows
26 Columns