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Clear Zone
The bar code structure requires a completely blank, 1/4–inch wide,
5/8–inch tall clear zone, reserved for only the appropriate FIM pattern. Be
sure to provide sufficient space for this zone.
Start/Stop Code
The start/stop code is a unique character identifying the leading and trailing
end of the bar code. The start/stop code is automatically produced with
each bar code. The start/stop code structure permits bidirectional bar code
scanning.
Data Field
The bar code symbol uses a nine–position bar/no–bar pattern of tall (full)
bars of uniform height. Minimum height must be 5/8– inch
(Bar height may be longer to wrap around the top of the envelope.)
Minimum bar width is .031–inch
each bar/no–bar must be 1/16–inch. Bar tilt (slant) can vary
(relative to a line perpendicular to the top edge of the envelope).
Bar Codes
.008–inch. Spacing (pitch) between
1/8–inch.
5 degrees
5–73
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