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Chip on Board LED Technology in Machine Vision Lighting

Machine Vision Lighting

In our post on the Advantages of Chip on Board Technology vs. Surface Mount technology, we defined Chip-on-Board LED technology and illustrated through an example the increased chip packing density achievable with Chip-on-Board technology. In today’s post, we explain the specific advantages of choosing Chip-on-Board technology for Machine Vision Lighting  [Read More…]

Posted in: Chip-on-Board LED | Machine Vision Lighting

LED Array Methods

LED Array Methods

LED arrays are assemblies of LED packages or chips that can be built using several methods. The method is determined by the manner and extent to which the LED chips themselves are packaged by the LED semiconductor manufacturer. The intensity & uniformity of light output, as well as the size  [Read More…]

Posted in: Chip-on-Board LED

New Blue Laser Diode

blue laser diode

With the launch of the new PLT5-488 from Osram there has been much interest in blue laser diodes but what are the advantages of this laser diode and what applications does it address? Advantages of the new Blue Laser Diode The PLT5-488 is a single mode device with an output power of  [Read More…]

Posted in: Laser Diodes

Key Considerations in IR (Infrared) Machine Vision Lighting

Key Considerations in IR Machine Vision Lighting

In our last post, we discussed IR Machine Vision Lighting and Applications.  In this post, we will examine the key considerations when selecting infrared machine vision lighting. 1. Inspection Material Properties The first consideration, when selecting machine vision lighting, should always be the material under inspection. Determining the transmission or  [Read More…]

Posted in: IR Machine Vision Lighting

IR (Infrared) Machine Vision Lighting and Applications

IR Machine Vision Lighting

Why use Infrared for Machine Vision Lighting? There are many different reasons to use infrared (IR) light in machine vision applications. Essentially, IR Lighting enables vision systems to work outside of the visible spectrum. Examples include systems where: 1. Visible light needs to be avoided 2. Material is opaque to  [Read More…]

Posted in: IR Machine Vision Lighting

Could UV LED curing hold the cure for you?

UV LED Curing

As UV LEDs increase in efficiency the applications for UV LED curing solutions are expanding rapidly. This trend is hardly surprising when you take into account the many advantages provided by LEDs over traditional technologies.   Advantages of UV LED Curing Solutions over traditional technologies UV LED illumination offers significant  [Read More…]

Posted in: UV LED Curing

4 Top Tips for selecting a LED Line Light

LED Line Light

Selecting an LED Line light for your machine vision system? Here are four tips to ensure you get the optimum solution for your application. 1. Consider Form Factor carefully It may sound obvious, but the form factor of the lighting is often overlooked when a vision system is designed. The  [Read More…]

Posted in: LED Line Lights

4 Top Tips for choosing a laser diode for your application

laser diode for your application

There are a lot of choices when it comes to selecting a laser diode, but how do you get the best diode for your application? When selecting a laser diode, here are a few top tips: 1. Choose your Vendor with Care It sounds obvious, but it is critical to  [Read More…]

Posted in: Laser Diodes

Infrared LED Illuminators for Packaging inspection

Infrared LED Illuminators

In this post, we look at how Infrared LED Illuminators help one of the world’s largest glass container manufacturers guarantee the quality of their product. Glass Bottle Inspection Requirements Requirements for glass bottle inspection applications differ significantly due to the variations in shape, color, opacity and design of the containers.  [Read More…]

Posted in: IR Illuminator

Green Laser Diodes

Green Laser Diodes

Direct emission green laser diodes are new to the market and offer distinct advantages over traditional DPSS green laser diodes. Green Laser Diodes Specifications The new range of direct emission green laser diodes offers a variety of options to accommodate a many different applications. Wavelengths from 515-520 are available with powers  [Read More…]

Posted in: Laser Diodes

IR Illuminator for ANPR Systems

IR Illuminator for ANPR Systems

In this post, we look at an example of how ProPhotonix overcame a number of challenges to meet customer requirements for an IR Illuminator for ANPR systems (Automatic Number Plate Recognition systems). A leading US and UK-based manufacturer of Automatic License/Number Plate Recognition (ANPR) systems approached ProPhotonix requiring an illuminator  [Read More…]

Posted in: IR Illuminator

LED Solution for Medical Vision Systems

LED Solution for Medical Vision System

LED solutions for medical vision systems are becoming more prevalent to meet the demanding requirements of the medical device industry. In this post, we look at an example of how LED technology has been used to enable the development of a vascular imaging system.   Vascular Imaging Requirements Illumination is a  [Read More…]

Posted in: Medical

Wavelength in LED Machine Vision Lighting Applications

Wavelength in LED Machine Vision Lighting

Machine vision inspection systems rely on the careful choice of illumination wavelength to enhance image contrast. Choosing the correct wavelength of light in machine vision lighting applications is important in order to enhance image features. In the following post, we look at the impact of wavelength in machine vision applications,  [Read More…]

Posted in: Machine Vision Lighting

Laser Line Generator for Industrial Alignment

Laser Line Generator

Laser line generators are increasingly required in applications to replace traditional laser modules. In this post, we outline how ProPhotonix improved a customer’s legacy laser module in a system for precisely aligning large metal sheets. Requirement The laser line is a guide for the customer’s employees to connect the various  [Read More…]

Posted in: Laser line generator

LED Line Lights for Container Inspection

LED Line Lights

LED Line lights used for cargo container inspection assist in the management and flow of millions of containers through sea, air, road and rail ports each year. High quality imaging systems such as Optical Character Recognition systems (OCR) harness the illumination from LED light sources to capture and to read the  [Read More…]

Posted in: LED Line Lights

Benefits of Structured Light Laser vs Laser Line Generator

Benefits of a Structured Light laser V's Laser Line Generator

Structured laser light (SLL) is a technique for projecting a known pattern of pixels (singular line, horizontal lines, crosshair, grid) onto an object. Vision systems calculate the depth and surface information of objects from the deformation of the light when it strikes the object’s surface. In machine vision, singular straight lines  [Read More…]

Posted in: Structured Light Lasers

Thermal Management in LED Machine Vision Lighting

Thermal Management in Machine Vision Lighting

Thermal Management is a key consideration when designing a LED illuminator for machine vision lighting but often the most overlooked requirement. LED Lighting provides high intensity, high performance illumination especially when utilizing Chip On Board LED high-density packaging technology. When an electrical current passes through the P-N Junction (the active region inside  [Read More…]

Posted in: Machine Vision Lighting

Key Considerations for a 3D scanner laser module

Key Considerations for a 3D Scanner Laser Module

In recent years 3D scanners for printing have emerged as mainstream commercial and consumer products. A preferred scanning technology is the use of laser modules in the 3D scanner. A logical question is, What factors should you consider when buying a laser module for use in 3D scanning? Key considerations  [Read More…]

Posted in: Laser Modules

Why Choose LED Machine Vision Lighting

LED Machine Vision Lighting

  This is the first in a series of posts on machine vision lighting. This post looks at why you would choose LED machine vision lighting over traditional illumination sources. Illumination is a critical part of any vision system. The ability to identify a defect depends directly on the capacity  [Read More…]

Posted in: Machine Vision Lighting

Top 5 considerations when choosing laser diodes

Top five considerations when choosing laser diodes

When purchasing laser diodes for any application, engineers, technicians and procurement specialists generally refer to certain specifications that their system or application requires. When you buy  laser diodes, there are certain criteria that ensures the correct laser diode is chosen for your application. Below we have listed 5 key considerations when choosing  [Read More…]

Posted in: Laser Diodes

Key requirements when Selecting your Structured Light Lasers

Structured Light Lasers

Structured light lasers are a significant part of the illumination segment of machine vision based applications. The structured light source would generally be in the form of a line (or series of lines), a matrix of dots or in some cases a randomly generated pattern. There are a number of  [Read More…]

Posted in: Structured Light Lasers

Laser Diode Modules for Patient Positioning

Laser Diode Modules for Patient Positioning

  In recent years the number of applications for laser modules in the medical industry has seen a rapid increase. Laser diode modules are used in CT scanners, MRI machines and X-ray systems to enable precise, accurate patient alignment.   Requirements of Laser Diode Modules in Patient Alignment Systems Laser  [Read More…]

Posted in: Laser Modules

How do LED Line Lights compare to Fluorescent?

LED Line Lights

LED Line light Versus Fluorescent Much has been said about the advantages of LED Line lights over the standard high output fluorescent. We at ProPhotonix have put this to the test by measuring our LOTUS LED line light against the standard high output fluorescent to see how LED Line Lights compare  [Read More…]

Posted in: LED Line Lights

Have you been waiting for Green Laser Modules?

Green Laser Modules

  One of the most important technology changes in recent times is the introduction of the new direct emitting, 520nm, laser diode from Osram Opto-Semiconductor. This technology allows green laser modules as a much more attractive solution versus traditional technologies. Advantages over traditional  DPSS Lasers Laser Modules have been available in  [Read More…]

Posted in: Green Laser Modules

Advantages of Chip-on-Board LED vs. Surface Mount LED

Chip-On-Board LED Technology

  What is Chip-on- Board LED Technology? Chip-on-Board LED technology describes the mounting of a bare LED chip in direct contact with the substrate to produce LED arrays. It is a method of LED packaging which has a number of advantages over conventional technologies such as “T-pack” and Surface Mount  [Read More…]

Posted in: Chip-on-Board LED