Track, Trace & Control Solutions© 2010 Microscan Systems, Inc.

2D BASICS & EVOLUTION OF 2D SYMBOLOGIES

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

About your Instructors

Matt Van Bogart Global Channel Manager

Joined Microscan in 1996Held positions in Marketing, Product

Management and Sales

Juan WorleTechnical Training CoordinatorWith Microscan since 1996Held positions in Service, Applications,Sales and Marketing

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

About Microscan

Track, Trace & Control Leader

Technology innovator and leader Focused on Track, Trace & Control solutions Capabilities from barcode reading to precise inspection ISO 9001:2000 certified Recognized for quality leadership Global customer base Worldwide locations - local support Strong global partner network A Spectris company

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

About Microscan

Microscan is founded on technology Innovation– Inventor of laser diode bar code scanner– Inventor of Data Matrix symbology– 27+ years of innovation in Auto ID & Machine Vision

Microscan continued technology leadership today– Long list of “firsts” for Auto ID & Vision technologies– Most extensive product line for Track, Trace & Control– Others follow Microscan’s new product development

Microscan unique solutions & patented technology– Hold 90+ technology patents in US– Pending 30+ additional technology patents– Extensive library of robust machine vision algorithms/tools

Proven Technology Leadership

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

About Microscan

Headquarters Renton, WA (Seattle)

Sales/Service/Support Amsterdam, Brussels, Munich, Istanbul, …

Beijing, Guangzhou, Seoul, Shanghai Singapore, Tokyo, …

Atlanta, Chicago, Dallas, Detroit,Minneapolis, Nashua, Newark, Renton, …

Design/Engineering Renton, WA & Nashua, NH

Manufacturing Renton, WA

Distribution/Solution Partners 300+ locations worldwide

Worldwide Presence

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Convergence of technology

AutoID

1970 1980 1990 2000UPC labels

2008

Automatix& Itranfounded

Data Matrix2D codesinvented by ID Matrix

Semiconductor & Electronic industryapplications

Automotive & Pharmaceutical applications

Broad adoption Of Data Matrix starts

MachineVision

Early Data Matrix readersdevelopedby Acuity

RVSI acquires Acuity

DoDadoptsData Matrix for UID

e-pedigree& related industrymandates

RVSI acquires ID MatrixformsAcuityCiMatrix

Siemensacquires AcuityCiMatrix

Early MVtechnologydevelopment

Itran & Automatixmerge to Acuity

1D barcodes proliferate

MicroscanacquiresSiemensMachineVision business

Microscanfounded

AutoID

1970 1980 1990 2000UPC labels

2008

Automatix& Itranfounded

Data Matrix2D codesinvented by ID Matrix

Semiconductor & Electronic industryapplications

Automotive & Pharmaceutical applications

Broad adoption Of Data Matrix starts

MachineVision

Early Data Matrix readersdevelopedby Acuity

RVSI acquires Acuity

DoDadoptsData Matrix for UID

e-pedigree& related industrymandates

RVSI acquires ID MatrixformsAcuityCiMatrix

Siemensacquires AcuityCiMatrix

Early MVtechnologydevelopment

Itran & Automatixmerge to Acuity

1D barcodes proliferate

MicroscanacquiresSiemensMachineVision business

Microscanfounded

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Today’s Objectives

By the end of this Webinar, you will know:

The lineage of 2D Symbologies The structure of common 2D Symbologies Why 2D Symbologies are so popular in so many markets

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Today’s Topics

Evolution from Linear to 2D 2D Stacked Symbologies: PDF417 2D Matrix Symbologies: Data Matrix 2D Matrix Symbologies: QR Code

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Evolution from Linear to 2D As the need for higher capacity codes arose, compact codes

were developed First introduced were 2D stacked: several 1D type codes

stacked on top of each other Then 2D Matrix: data encoded in 2 Directions 1D symbols encode in one direction, 2D encode in 2 directions 2D symbols contain more data in less space

Code 39 Code 49 PDF 417 QR Code

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Evolution from Linear to 2D

Early Stacked Symbologies Code 49, Code 16K Developed in the late 1980s Encodes more data than standard linear codes Sensitive to tilt angles on laser scanners

Code 49 is considered the first 2D symbology

Code 16K is similar to code 49 but can contain more data and is more efficient

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Stacked Symbologies: PDF417

PDF 417 Parable Data File, 4 bar/space, 17 modules Introduced in 1990 AIM Standard Margins on sides, top, and bottom Reed-Solomon Error Correction (ECC or ECL)

– Levels 0 – 5– Reduces Truncation: missing characters– Reduces Substitution: incorrect characters

Tilt angle consideration

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Matrix Symbologies: Data Matrix

History Developed in mid-1990s AIM Standard soon follows Symbol sizes range from 10 x 10, up to 144 x 144 rows x columns Up to 3116 numeric, 2335 alphanumeric characters Small, easy to print and decode, secure Most common in DPM applications

Microscan holds the original Data Matrix patents

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Matrix Symbologies: Data Matrix

Structure

Element• Also known as: cell, module• Square shaped cell that encodes one bit of

binary data “0” or “1”• Consistent size throughout code• The color of binary 1 is the same as the L-pattern• Element measurement determines resolution

Quiet zone• Also known as: margin, no print zone• Required: 1 element size around all sides• For best performance: 20% of symbol size

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Matrix Symbologies: Data Matrix

Structure

Locating Pattern• Clock Pattern: Two sides are alternating

light and dark elements. Used for synchronizing the decoding process.

• L-Pattern: Two solid lines, forming an “L”

Data Region• The area inside the finder pattern

• Contains data and error correction

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Matrix Symbologies: Data Matrix

Data Regions High capacity symbols contain multiple data regions Each data region can contain up to 88 numeric or

64 alpha/numeric characters Error correction repeats through the entire symbol

Data Region Alignment Patterns

Multi-Region Data Matrix

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Matrix Symbologies: Data Matrix

Error Correction ECC 0 through ECC 140

– Original versions– Convolutional check digit

ECC 200– Introduced in the late 1990s– Reed-Solomon calculation allows up to

60% of the data region to be damaged– The current ‘standard’– Allows rectangular codes– Upper right corner element is always

binary zero

ECC 0 – ECC 140

ECC 200

8 x 32 ECC 200 ‘Rectangular’

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Matrix Symbologies: QR Code

History Quick Response Code Introduced in 1994 by Nippondenso Sizes from 21x21 to 177x177 Up to 4296 alphanumeric, or 1817 Kanji characters Small, easy to print and decode Popular in Asia because of simple Kanji & Kana character support Becoming more popular in retail using smart phones

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Matrix Symbologies: QR Code

Structure

Element• Cell, module• Square shaped cell that encodes one bit of

binary data “0” or “1”• Consistent size throughout code• The color of binary 1 is the same as the

position detection patternQuiet zone

• Margin, no print zone• Minimum of four times the element width

(4X) on all sides of the symbol

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

2D Matrix Symbologies: QR Code

Structure

Locating Patterns•Three position detection patterns are

used to locate the symbol, and determineorientation

Data Region•The area that contains data and errorcorrection code words

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Error Correction Reed-Solomon Four levels: L, M, Q and H Higher correction levels generate larger codes

2D Matrix Symbologies: QR Code

ECC level and recoveryLevel % of damage

L 7%

M 15%Q 25%H 30%

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Introduction to 2D Symbologies

Conclusion Evolution from Linear to 2D

– Space constraints: a lot of data in a small amount of space– Error correction: damaged symbols still decode – ideal for DPM

2D Matrix Symbologies: Data Matrix & QR Code– Similar structure between these 2D Symbologies – Margin– Locating pattern– Data region & Error Correction

Many applications now using 2D technology– Automotive– Electronics– DoD / Aerospace

– Document Handling– Packaging– Pharmaceutical

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Next session….

Marking & Decoding 2D Symbologies Proper marking techniques for your application & maximizing

readability Different marking methods available How a 2D symbol is decoded

© 2010 Microscan Systems, Inc. © 2010 Microscan Systems, Inc.

Thank you!For more informationWebsite: www.microscan.com

– Online courses– Spec sheets– Technology brochures– Support self-help and support request form

Instructors:Juan Worle, Technical Training Coordinator Email: jworle@microscan.comMatt Van Bogart,  Global Channel Manager Email: mvanbogart@microscan.com

Feedback on this webinar: www.microscan.com/feedbackAdditional contacts:

Product information: info@microscan.comTraining: training@microscan.comSupport: helpdesk@microscan.com