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SEMI T3-0302 © SEMI 1995, 2002 3 4.4 Terms relating to the data matrix code sym bol characteristics are defin ed in SEMI T 2 and ISO/IEC 16022. 4.5 Definitions of term s relating to code content are as follows: 4.5.1 cus…
SEMI T3-0302 © SEMI 1995, 2002 2
of this specification must ensure that the label is of a
size that fits the box to be employed.
2.9 This standard does not purport to address safety
issues, if any, associated with its use. It is the
responsibility of the users of this standard to establish
appropriate safety health practices and determine the
applicability or regulatory limitations prior to use.
3 Referenced Documents
3.1 SEMI Standards
AUX1 — List of Vendor Identification Codes
SEMI M1.15 — Standard for 300 mm Polished Mono-
crystalline Silicon Wafers (Notched)
SEMI M12 — Specification for Serial Alphanumeric
Marking of the Front Surface of Wafers
SEMI M13 — Specification for Alphanumeric Marking
of Silicon Wafers
SEMI M31 — Provisional Specification for Front-
Opening Shipping Box Used to Transport and Ship 300
mm Wafers
SEMI M45 — Provisional Standard for 300 mm Wafer
Shipping System
SEMI T1 — Specification for Back Surface Bar Code
Marking of Silicon Wafers
SEMI T2 — Specification for Marking of Wafers with
a Two-Dimensional Matrix Code Symbol
SEMI T7 — Specification for Back-surface Marking of
Double-side Polished Wafers with a Two-dimensional
Data Matrix Code Symbol
3.2 ANSI Standards
1
ANSI/ASC X3.182
— Bar Code Print Quality - Guide-
line
ANSI MH10.8.2 — Data Application Identifier Stan-
dard
3.3 EIA Standards
2
ANSI/EIA-556-B
— Outer Shipping Container Label
Standard
ANSI/EIA 706 — Component Marking Standard
1 American National Standards Institute, New York Office: 11 West
42nd Street, New York, NY 10036, USA. Telephone: 212.642.4900;
Fax: 212.398.0023 Website: www.ansi.org
2 Electronic Industries Alliance, EIA Engineering Department,
Standards Sales Office, 2001 Eye Street, NW, Washington, D.C.
20006, USA. Website: www.eia.org
3.4 ISO/IEC Standards
3
ISO/IEC 15417 — Automatic Identification and Data
Capture Technique Symbology Specification – Code
128
ISO/IEC 16022 — International Symoblogy
Specification – Data Matrix
ISO/IEC 16388 — Automatic Identification and Data
Capture Technique Symbology Specification – Code
39
4 Terminology
4.1 Definitions of terms relating to wafer boxes (see
Figure 1) are as follows:
4.1.1 bar end, of a wafer box base — the end of the
box base that is next to the first pocket of the cassette
inside the base or the first pocket of the base itself.
4.1.2 base, of a wafer box — the open-top container
into which wafers are placed, either in cassettes or into
integrally molded pockets.
4.1.3 box wrap — the wrapping or bagging applied
over the wafer box to comprise the product package.
NOTE 2: The box wrap is usually sealed under clean room
conditions.
4.1.4 cover, of a wafer shipping box — the portion of
the box which closes the top of the base.
4.1.5 wafer box — a sealable container consisting of a
base and a cover, used for storing or transporting
wafers. Compare with transport package in
ANSI/EIA-556-B.
4.1.6 wafer box label — the label on the wafer box
identifying the product and its manufacturer.
4.1.7 wafer package — the combination of a wafer box
and box wrap.
4.1.8 wall end, of a wafer shipping box — the end of
the shipping box that is opposite the bar end.
4.2 Terms relating to FOSBs are defined in SEMI
M31.
4.3 Terms relating to bar code characteristics are
defined in SEMI T1. Definitions for additional terms
relating to the product package, product package label,
and bar code format and characteristics can be found in
ANSI/EIA-556-B, Appendix A.
3 International Organization for Standardization, ISO Central
Secretariat, 1, rue de Varembé, Case postale 56, CH-1211 Geneva 20,
Switzerland. Telephone: 41.22.749.01.11; Fax: 41.22.733.34.30
Website: www.iso.ch
SEMI T3-0302 © SEMI 1995, 2002 3
4.4 Terms relating to the data matrix code symbol
characteristics are defined in SEMI T2 and ISO/IEC
16022.
4.5 Definitions of terms relating to code content are as
follows:
4.5.1 customer information field — a 35-character field
containing the customer product ID and, if desired,
other customer assigned information.
4.5.2 customer product ID — a unique combination of
alphanumeric characters assigned by a customer or
purchaser to identify a product, sometimes called
customer part number.
4.5.3 data field — a specific portion or area of a label
designated to contain a human readable interpretation, a
bar code symbol, or a two-dimensional matrix code
symbol.
4.5.4 data identifier — a specified character or
character string that defines the category or intended
use of data that follows.
4.5.5 encrypted data — data entered by the vendor,
usually to facilitate traceability, that may or may not be
shared with the customer.
4.5.6 human readable interpretation (hri) — the
interpretation of all or a portion of a bar or matrix code
symbols presented in a type font which can be read by
persons.
4.5.7 message character — a character that contains
data, encoded into a bar or matrix code symbol.
NOTE 3: Data identifiers and concatenation characters are
considered to be message characters, but start/stop characters
are not.
4.5.8 message length — the number of message
characters contained in a single encoded message.
4.5.9 traceability number, of a wafer box label — a
string of 35 message characters comprising a lot
number, vendor code (including manufacturing loca-
tion, if desired), and date of labeling together with the
appropriate data identifier and concatenation characters.
5 Ordering Information
5.1 Purchase orders for the wafers furnished with wafer
box labels in conformance with this specification shall
include the following:
5.1.1 Statement that the wafer box label conforms to
SEMI Specification T3.
5.1.2 Content of message characters for customer in-
formation field.
5.1.3 Label type (see Section 7.1) or, if additional
space is available on the box, dimensions of labels and
placement of fields thereon.
5.2 In addition, the following optional items may be
specified:
5.2.1 If a two-dimensional matrix code symbol is
included on the label:
5.2.1.1 Inclusion or exclusion of wafer identification
information.
5.2.1.2 User-specified data, if required, and re-
quirement, if any, for sharing of code for encrypted
data.
5.2.2 Label locations on the wafer box, if different
from the recommended locations.
6 Content and Characteristics of Data Fields
6.1 Bar Code Symbols
6.1.1 The label shall contain two data fields for bar
code symbols, when such symbols are specified. Each
bar code symbol shall contain 35 message characters in
addition to the start/stop characters.
6.1.2 A non-printed message header is normally
encoded when encoding multiple, concatenated data
fields. However, this header is not encoded in the bar
code fields to conserve space. The absence of this
message header requires appropriate software in bar
code reading systems, to separate the data fields.
6.1.3 The upper bar code data field, the customer
information field (see Table 1 and Figure 2a), shall
contain the customer product ID preceded by a “P,” the
data identifier for this item as specified in ANSI
MH10.8.2.
6.1.3.1 Optionally, if the customer product ID occupies
less than 34 characters, the customer identification field
may also contain one or more of the subfields listed
below, up to the limit of 35 characters total. Each
optional subfield shall be preceded by the concatenator
symbol “+ ” and the data identifier(s) below, in
accordance with ANSI MH 10.8.2.
6.1.3.2 Field Identifier for customer part number
revision: 2P
6.1.3.3 Field Identifier for customer specification
number: 20P
6.1.3.4 Field Identifier for customer specification
revision: 21P
6.1.3.5 Field Identifier for customer drawing number:
12P
SEMI T3-0302 © SEMI 1995, 2002 4
6.1.3.6 Field Identifier for customer drawing revision: 22P
6.1.4 The lower bar code data field (see Table 2 and Figure 2b) shall contain the 35-message character traceability
number. This field is divided into four subfields, each separated from the adjacent field by the concatenation
symbol “+ .” The first subfield contains the lot number of 16 characters, preceded by the data identifier “1T.” The
second subfield contains the 2-character SEMI vendor identification code, preceded by the data identifier “1V. ”
The third subfield contains the labeling date (YYMMDD), preceded by the data identifier “D. ” The fourth subfield
contains the quantity, preceded by the data identifier “Q. ” The quantity indicated on the label shall be the number
of wafers in the wafer box to which the label is affixed; the unit of measure is understood as each (EA). The
message characters in this symbol are distributed as shown in Table 2.
Table 1 Content of Bar Code Symbol in Upper Bar Code Data Field (Customer Information Field)
Number of characters Symbol Content Notes
Required Subfield
First 1 Data Identifier “P”
message dependent Customer Product ID (e.g. part number) (Customer-specified)
Optional Subfields
3 Concatenator + Data Indentifier “+ 2P”
message-dependent Customer Part Number Revision (Customer-specified)
4 Concatenator + Data Indentifier “+ 20P”
message-dependent Customer Specification Number (Customer-specified)
4 Concatenator + Data Indentifier “+ 21P”
message-dependent Customer Specification Number Revision (Customer-specified)
4 Concatenator + Data Indentifier “+ 12P”
message-dependent Customer Drawing Number (Customer-specified)
4 Concatenator + Data Indentifier “+ 22P”
message-dependent Customer Drawing Revision (Customer-specified)
NOTE 1: The total number of characters in the field shall not exceed 35; any character location not filled with data shall contain a dash.
Table 2 Content of Bar Code Symbol in Lower Bar Code Data Field (Traceability Number)
Character Location Symbol Content (All required fields) Notes
1–2 Data Identifier “1T”
3–18 Lot Number (Supplier assigned)
19–21 Concatenation Symbol and Data Identifier “+ 1V”
22–23 Vendor Identification Code (SEMI) (See Note 1)
24–25 Concatenation Symbol and Data Identifier “+ D”
26–31 Labeling Date (YYMMDD) (See Related Information 1)
32–33 Concatenation Symbol and Data “+ Q”
34–35 Quantity (unit, EA, implied) (numeric)
NOTE 1: The SEMI vendor identification code may contain information on manufacturing location. AUX1 contains multiple codes indicating
manufacturing location for some, but not all, wafer suppliers. If desired, suppliers whose codes do not now include manufacturing location
identification can request additional codes for each location from SEMI, following the procedure in AUX1.
6.1.5 All bar code symbols shall use the Code 39 bar code as specified in ISO/IEC 16388, unless an optional bar
code is selected (see Section 6.1.9). Code 39 is a variable length, discrete, self-checking, bi-directional bar code.
Each character is composed of nine elements: Five bars and four spaces. Three of the nine elements are wide and
six elements are narrow.
6.1.6 Character Set — The Code 39 character set consists of 43 characters: 0-9, A-Z,+ ,-,.,$ ,/,%, and space. In
addition, an asterisk (*) is used only for both the start and stop characters; it cannot be used as a message character.
No other characters shall be encoded in the bar code symbols of labels covered by this specification. In the absence
of a character at any assigned location, a dash (-) shall be used.