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Understanding the Differences Between Data Matrix vs QR Codes:

Manufacturing traceability solutions

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Understanding the Differences Between Data Matrix vs QR Codes:

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If you’ve ever opened a new electronic device, tool, or home appliance, chances are you’ve seen a Data Matrix code.

While you may have thought it was a QR code, Data Matrix codes are an essential part of most manufacturing processes and act as an efficient means for component traceability. Data Matrix codes are also the only 2D barcode to have GS1 approval for regulated healthcare items. 

QR codes on the other hand are larger and contain more data, such as website URLs, and are capable of encoding information not just in numeric and alphanumeric form, but also in Kanji and other multi-byte character sets. 

No matter what industry, when it comes to industrial traceability for manufacturers, choosing the right type of code can leave a production run riddled with misinformation and the chance of getting lost. 

Let’s break down the differences and similarities between QR and Data Matrix codes and why the latter is the preferred choice of the majority of manufacturers.  

 

Direct Part Marking | QR vs Data Matrix Codes

While both QR and Data Matrix codes are in the public domain and can be used royalty free, Data Matrix codes have become the standard for anti-counterfeit measures, part identification, and internal tracking because they feature advanced error-correcting techniques that are more robust than QR codes. 

This presents a unique benefit for manufacturers that need to ensure their products can be identified if part of the mark gets damaged or impeded. 

Particularly necessary for complex and high stakes industries such as medical, aerospace, and defense, where hundreds to thousands of components are needed in order to assemble a finished product, Data Matrix codes can be read even if up to 50% of the mark gets damaged. 

QR codes on the other hand have steadily been adopted in consumer-facing applications. These codes can be found everywhere from business cards to product packaging, containing links to websites, resumes, premium offers, and even restaurant menus. 

QR codes have a lower level error-correcting built in, and can be rendered useless with even slight ware and tare. Just 30% of a QR code needs to be damaged before it becomes unreadable. 

While these codes are perfect for consumer-forward use, marking a component or part with a QR code presents a real danger for misidentification pending the mark gets damaged. 

 

Data Matrix vs QR Codes | Uses Cases and Applications

Data Matrix

QR code

  • Supply chain traceability
  • Anti-counterfeiting through serialization
  • Part identification
  • Additional product information
  • Usage instructions 
  • Social sharing
  • Auto-linking for spare ordering and registration
  • Promotions, contests, and gamification


Specifications of Data Matrix vs QR Codes

While Data Matrix codes are typically reserved for industrial use cases, both types of marks can play a role in the manufacturing industry.

Since both DataMatrix and QR codes are GS1 approved, they can carry any GS1 ID keys including: 

ID Key

Used to IdentifyExample

Global Trade Item Number (GTIN)

Products and servicesCan of soup, chocolate bar, music album

Global Location Number (GLN)

Parties and locations

Companies, warehouses, factories, stores

Global Returnable Asset Identifier (GRAI)Returnable assets

Pallet cases, crates, totes

Global Individual Asset Identifier (GIAI)

AssetsMedical, manufacturing, transport and IT equipment
Global Service Relation Number (GSRN)Service provider
and recipient relationships		Loyalty scheme members, doctors at a hospital, library members
Component/Part Identifier (CPID)Components and parts

Automobile parts

Global Model Number (GMN)product model

Medical devices

 

Beyond GS1, specifications and requirements for each code are presented by the International Organization for Standardization (ISO). For more about how these codes work themselves, and how to create them, you can check out the relevant ISO standard for more detail.

Requirements for Data Matrix codes are specified under the ISO/IEC 16022 international standard; while requirements for QR codes are specified under the ISO/IEC 18004 international standard.

 

Direct Part Marking | Best Practices and Proven Methods 

Understanding the differences between QR codes and Data Matrix codes, and choosing which is best for your application can get overwhelming.  That’s why its important to consult a trusted advisor and partner. 

Technomark has been operating and supplying expertise with industrial marking equipment since 2000. Since 2018, Technomark North America is the only established OEM of dot peen and laser marking systems — the primary methods for direct part marking — with a headquarters in the USA. 

Technomark has been at the forefront of industrial marking innovation, developing machines for seamless integration in manufacturing processes. 

Our goal is to help our customers:

  • Increase machine uptime
  • Decrease total cost of ownership
  • Make part marking and identification simple and cost-effective
  • Bring new ideas to the table to increase efficiency

Your relationship with Technomark North America shouldn’t be limited to a strict supplier-to-customer interaction. We value communication above all else, which is why our team is dedicated to finding ways to solve your traceability challenges through a consultative process.  

 

Interested in learning more about Direct Part Marking using Laser Technology? Check out our free ebook below: 

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Datamatrix laser marking automotive part

Direct Part Marking Identification 101: Deconstructing Data Matrix Codes

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Commerce has come a long way from the bartering system. When currency became the acceptable medium of exchange, it only made sense that a better system of marking products was needed. 

The first barcode was created in 1952, but they weren’t put into use in commerce and the transaction process until 1974, when a pack of Wrigley’s gum was scanned in a supermarket in the state of Ohio. 

Barcodes have become widely used and have been upgraded and improved in an ongoing process. From the days when a barcode took up a significant amount of the packaging and contained limited information to today’s Data Matrix codes that are significantly smaller and can hold more data, the barcode development process has been fast and focused on efficiency. 

Here we will focus on Data Matrix codes, their importance, their history, and an in-depth look at:

  1. How they’re generated
  2. How they differ from other marking processes
  3. What industry these are most common in and on which type of materials and parts are they commonly found 

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manufacturing traceability solutions

Manufacturing Traceability Solutions: What Are The Options?

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Anyone who works in manufacturing, whether it’s automotive parts or oil and gas equipment, knows that proper traceability is key to product success. 

Having proper identification information on your components isn’t just helpful for inventory and maintenance, it’s also a federal requirement for many industries. 

But what are the manufacturing traceability solutions on the market for permanent identification? Well, there are a lot of options, some better than others. Here’s the rundown:

Which Manufacturing Traceability Solution Is Best for You?

The ideal product traceability solution for you will depend on your industry, processes, and applications. For example, delicate components like solar panels will benefit from laser marking, while other heavy-duty parts can use dot peen marking. 

At the end of the day, the goal is to provide permanent and legible marking. Some of the most well-known methods include:

  • Dot peen marking
  • Laser marking
  • Inkjet marking
  • Impact presses
  • Chemical etching

Dot Peen Marking

Dot peen is a direct part marking method, meaning that the marking head of the machine interacts directly with the component to achieve a permanent mark that is able to survive harsh operating environments

Dot peen machines use an impact stylus to create small indents on a part’s surface to create letters, numbers, logos, or  2D datamatrix codes. Because the mark is formed via material displacement instead of material removal, it is considered a low-stress marking technique ideal for aerospace as well as oil and gas applications.

This method of marking is compatible for complete automation The marking head can be integrated inline for high-volume production lines and requires minimal operator intervention.

Dot peen marking equipment is also well-suited to manual marking operations. It can mark large or hard-to-reach parts, especially if you’re using a hand-held dot peen machine. Plus, dot peen is compatible with a wide range of metal materials, including steel, iron, and aluminum.

Laser Marking

Laser marking is one of the most widely used manufacturing traceability solutions because of its versatility. The mark is achieved by super-heating the part surface to etch, ablate, or anneal the material substrate Target applications that are ideal for laser marking include:

  • Wide range of plastics
  • Ferrous and non-ferrous metals
  • Elastomer compounds
  • Organic materials (like wood or cardstock)

The laser marking system is ideal for high- or low-volume production capable of marking  high quality 2D data matrix barcodes and alphanumeric text to logos and graphics. 

Other benefits of laser marking include:

  • Compact design
  • Flexibility
  • Advanced, yet simple programming
  • Capable of full automation
  • 3D part marking
  • Solid state design
  • No consumables cost

While dot peen marking requires the stylus to make contact with the product, laser marking is a non-contact traceability method. This makes the laser better adapted to marking complex geometries or delicate materials. 

Inkjet Marking

While dot peen and laser marking systems provide a permanent traceability solution, inkjet marking is semi-permanent. 

Inkjet marking functions a lot like a regular printing machine — using drops of ink to mark information on a substrate. It’s often regarded as one of the fastest marking methods, and is capable of marking on:

  • Wood
  • Rubber
  • Concrete
  • Textiles
  • Plastic
  • Metal 

The downfall of inkjet marking is that it’s only semi-permanent. High levels of wear and tear or exposure to harsh environmental conditions can wear away the marking. As such, inkjet marking is usually used for consumer goods packaging, where the mark only needs to survive the short life of the product.

Impact Press Marking

Just like dot peen marking, an impact marking press indents a material with the desired identification information. However, the methods are different. 

Whereas dot peen marking uses a series of cold-stamped dots to mark text, 2D data matrix codes, or logos into a material, the impact press uses a die to stamp the information instead. 

The process is similar to a letterpress, where characters are arranged in a certain order and then stamped onto the substrate. But with impact marking, the tooling is applied with enough pressure to indent the material. 

A mechanical impact punch is versatile, capable of other manufacturing operations like coining or bending materials. However, the process isn’t digital (meaning the information is not dynamic) and has higher tooling and maintenance costs than other methods of marking. 

Chemical Etching

Chemical etching takes a completely different approach to direct part marking. This method uses chemical compounds to subtract materials from the marking surface via a process of electrolysis to create the impression. 

Chemical etching is essentially an accelerated form of oxidation. A stencil is soaked in an electrolyte solution and applied to the material. A low-voltage electric current is then applied to the stencil to initiate the oxidation process. 

Chemical etching requires several steps to prepare the part for marking, but it’s a cost-efficient and quick process. It’s also less invasive than other marking methods, making it ideal for thin-wall parts.

However, chemical etching, like the impact press, is not a digital process. The information on each stencil is fixed, so you’ll need unique stencils for each different marking. On the upside, the materials involved are low cost. Chemical etching is ideal for low-volume applications such as prototyping. 

This method of marking is mainly used for metal substrates like steel, aluminum, or nickel alloys. If you’re looking for marking on plastic or rubber, laser marking might be a better option. 

Finding the Right Direct Part Marking Method for Your Application

A lot hinges on proper identification for manufactured parts, so finding the right manufacturing traceability solution method for your operation is critical. Many of these methods can be customized to meet your specific requirements and improve your production line. 

To learn more about the benefits of dot peen and laser marking systems, contact us! We’ve provided industrial marking and traceability solutions for countless industries!

(Editor’s note: This blog was originally published in March 2021 and was updated in October 2022 to reflect current information.)

Dot Peen Marking Basics

What Is Dot Peen Marking?

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Dot Peen Marking Basics

Ask anyone inside the industrial manufacturing industry – part-marking is crucial to component traceability when working with large quantities. And while several different types of part-marking exist, Dot Peen marking technology has been a preferred solution for many years. 

At a high level, Dot Peen marking machines use either electromagnetic or pneumatic force to rapidly oscillate a stylus, in turn indenting the marks onto the surface of the part. 

One of the advantages of Dot Peen is that it’s very flexible and can be used in either manual or fully automated production lines. A lot of the applications Dot Peen serves are manual applications, however, with modular Dot Peen systems, you can start with a portable system and later convert it to an in-line system for integration with fully automated production lines.

 

The Basics of Dot Peen Marking

If you took apart a Dot Peen machine, one of the most important components you would find is a carbide or diamond-tip stylus. 

The Dot peen process is considered a “low-stress” marking method because the mark is generated via material displacement rather than material removal.  The carbide stylus strikes the material surface to produce the mark via a series of cold-formed stamped dots. Compared to Laser Marking Systems, Dot Peen does not induce thermal shock to the part surface since the material is cold-stamped rather than super-heated to produce the mark.  

Dot Peen systems are commonly used by manufacturers in the aerospace and oil & gas industries where low-stress marking is required, such as tubular and flow control products that are exposed to extreme pressure differential in the oilfield. 

Dot Peen marking is viable for material hardness up to 63 HRC. Typically, when a part hardness is greater than 63 HRC, laser marking systems are recommended. 

All of Technomark’s Dot Peen machines rely on an electromagnetic solenoid to actuate the marking stylus. Dots are plotted in an X/Y plane via electronic control for precise placement of the Dot pattern. Using electromagnetic force versus pneumatic also provides a greater level of control of both the depth of the mark as well as the ability to mark contoured or complex surface.

Dot Peen Marking | Component Traceability In Action 

Dot Peen marking machines are utilized in almost every industrial-goods manufacturing operation, including: 

  • Automotive
  • Oil and Gas (pipes, fittings valves, other)
  • Aerospace
  • Defense
  • Metalworking (general purpose)

Dot Peen Marking 101

While these machines can run in-line and handle large quantities in an automated production environment, most are operated manually using a battery pack to go mobile. 

The best Dot Peen marking machines utilize a fully electric design and that doesn’t require compressed air to operate.  All Technomark Dot Peen marking machines feature an Intelligent Driving Impact (IDI) function that allows for marking on many different materials and finishes. The IDI function automatically adjusts and levels the stylus to the workpiece. Whether the part has a curved, wavy, or complex geometry, the stylus will follow the contour of the marking surface while maintaining a constant depth of high-quality marking throughout. 

When structural integrity is crucial, Dot Peen marking provides a low-stress marking solution that removes no material during the part marking process.

Why Choose Dot Peen Marking

One of the biggest benefits of a Dot Peen Marking Machine is its ability to efficiently produce marks compared to other marking systems. Other benefits of Dot Peen machines include: 

  1. Portability: battery-operated systems are ergonomic and perfect for smaller-scale operations or marking of large, heavy parts that cannot be transported to a fixed location for marking
  2. Versatility: state-of-the-art Dot Peen marking systems are modular and can start with a portable or manual marking system that can later be adapted to a fully automated production line
  3. Ease of use: Dot Peen machines are easy to program and do not require any advanced computing knowledge or technical training. 
  4. Permanency: Dot Peen marking process yields a permanent, indelible mark that can withstand harsh operating environments
  5. Economical: Compared to other marking systems, Dot Peen systems are typically less than $10,000.

Integrating a dot peen marking machine into your production line will improve the productivity and quality of the part-marking process.  

New and exciting dot peen innovations are coming this fall. Be on the lookout for machines that feature: 

  • Wireless connectivity between marking head and control (Network-able devices that are able to communicate to other devices through wireless communications)
  • On-board diagnostic tools to help the operator know when it’s time for scheduled maintenance — protecting your investment. 

If you have questions regarding Dot Peen machines or any part marking machines, contact us today. At Technomark North America, we have the experience to help you get the best solutions for your industrial marking needs.

(Editor’s Note: This blog was originally published in September 2021 and was updated in October 2022.)

Laser Marking for Manufacturing 101

Laser Marking Systems for Manufacturing: Abilities, Applications & More

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Laser Marked Component

What do DVD players, checkout lines at the grocery store, and industrial marking machines all have in common? Lasers.

But not all lasers are the same. 

L.A.S.E.R. stands for Light Amplification by Stimulated Emission of Radiation. In simpler terms, it’s a highly concentrated beam of light. Lasers consist of a: 

  • Gain medium: a material that works in tandem with electrical currents to stimulate the photons of light as it passes through
  • Energy supply: Energy supply for lasers usually comes in the form of electrical currents. These currents are “pumped” through the grain medium to stimulate the atom as light passes through. The pumping of electrical currents causes the light to bounce faster through the grain medium. 
  • A material to provide optical feedback: The materials chosen for optical feedback have one primary job: steering. the way the beam of light is directed  

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part marking considerations

10 Industrial Part Marking Considerations

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Industrial part marking

Every manufacturing process has a unique set of challenges to face. Thanks to increased complexity and a lack of standardization, the part marking process is no exception.

Previously, we’ve discussed how material specification should be the first consideration when selecting the best permanent marking method for your parts. 

The next step is to understand how the marking system will fit into your production process. Let’s look at 10 process considerations that will help you narrow down options when selecting a direct part marking method for your project:

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