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Document SEMI T3 is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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SEMI T3 Document Information:
Title
SPECIFICATION FOR WAFER BOX LABELS
Semiconductor Equipment and Materials International
Publication Date:
Mar 1, 2002
Scope:
This specification covers size, message content and symbology
requirements of labels for wafer boxes used for storage and
transport of silicon wafers 100 mm in diameter and larger.
For wafer boxes used with 100 to 200 mm diameter wafers, this
specification provides for two similar labels in order that the
contents of the wafer box can be identified when the wafer box is
stored in either of two positions: with the side of the wafer box
parallel with the front of the storage shelf or with the end of the
wafer box parallel with the front of the storage shelf. Because
wafer boxes are routinely stacked for storage, placement of box
labels on the top or bottom of the box is not recommended.
For FOSBs used with 300 mm wafers, this specification provides
for two identical labels, one to be placed on the FOSB and the
other to be placed on the outer bag. These requirements are
consistent with the requirements of SEMI M45. SEMI M31 specifies
FOSB dimensions.
The message content and locations of the symbols used on the
labels covered by this specification are designed to fit in a space
consistent with size of the available flat area on wafer boxes
investigated. If a larger flat area is available on the wafer boxes
to be used, the label size may be increased and additional message
content included.
This specification includes descriptions of the characteristics
of the code formats to be employed.
The labels covered by this specification may be applied on the
box itself, and on the box wrap portion of the wafer package, but
not on the transport package (outer shipping carton) used for
commercial transportation of wafer packages.
NOTE 1: Specifications for transaction labels, which are
intended for use on the outer shipping carton, are given in
ANSI/EIA 556-B.
The format of the barcode is based on Code 39, as specified in
ISO/IEC 16388.
The format of the Data Matrix Code is specified in ISO/IEC
16022.
Wafer box labels are intended to be applied in a cleanroom
environment concurrent with the completion of production of the
wafers. Although it is recognized that the materials of
construction and the adhesives used to apply the label must be
selected with this use in mind, their specification is beyond the
scope of this document.
The dimensions in this specification are applicable to labels
printed with printers that have nominal resolution of 203 dots per
inch (dpi). Printers with higher resolution may be used, but many
of the dimensions may differ from those in this specification and
the code fields may or may not fit within the specified label size
and format. In such cases, the user of this specification must
ensure that the label is of a size that fits the box to be
employed.
NOTICE: 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 and health practices and determine the
applicability of regulatory or other limitations prior to use.
Purpose
This specification provides a common format, content, size, and
location for printed, machine-readable labels on wafer boxes to
facilitate communication of data essential for advanced
traceability and electronic data exchange systems. These labels
differ from those used in common commercial practice in that they
provide less detailed information about parametric properties of
the wafer. Such information is now readily stored in advanced
traceability systems.
This specification covers labels that contain two bar code
symbols and their associated human-readable interpretation.
This specification also covers a two-dimensional Data Matrix
code symbol that can accommodate substantially more information
than can the bar code symbols. This symbol is included to provide
for a smooth transition from existing traceability and labeling
procedures to the comprehensive, unified system envisioned for the
future in which common reading equipment can be used throughout the
plant. If the Data Matrix symbol is used without the bar code
symbols, provision is made for an associated human readable
interpretation.
Labels provided in accordance with this specification satisfy
the special requirements of 300 mm Wafer Shipping Systems, detailed
in SEMI M45, for both front opening shipping box (FOSB) labels and
bag labels.
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