Laser measurement of three-dimensional shape - now even faster with a new generation

IVP Ranger M50 is the latest generation of cameras from IVP Integrated Vision Products that measure three-dimensional shape at high speed. By using a patented image acquisition method this equipment can be used to gather inspection measurements from up to 10,000 three-dimensional profiles per second. The camera is based on the company's new image sensor, which has 1536 x 512 pixels - three times more than the previous version.

The camera is designed for customers who develop inspection equipment for various applications.

One typical application is in measuring the volume of solder applied during the manufacture of circuit boards. Solder must be applied very accurately to the solder points to ensure that the connection between the components and circuit board are 100% reliable. Thanks to this new camera it is possible to check the volume of solder at each point very accurately at full production speed. With a vertical resolution of 4.8 microns, (0,19 Mil), and a horizontal resolution of 19 microns, (0,75 Mil), it is possible to inspect an area of 55 square centimetres (8,5 square inches), per second.

IVP Ranger is also used in the food industry, in applications such as checking the shape of biscuits and hamburgers, or the volume of fish fillets. In the timber industry the technology is used for tasks such as measuring the shape of a log in order to determine the best cutting solution. These applications are developed by the company's customers, either on their own or in collaboration with the company.

The system consists of a conventional linear laser and a camera. The third dimension is determined by triangulation. The laser draws a line on the object, while the camera, which views the line from a different angle, sees a curve that follows the height profile of the object. The height of the object is measured as the deviation from the straight line. As the object to be measured passes through the laser beam a three-dimensional image of the entire object is built up. Inside the camera is a patented image sensor with 1536 integrated microprocessors, one for each sensor column, which accounts for the rapid rate of measurement.

"Our new M50 is eight times faster than the older generation of Ranger, and that was already the fastest in the world," says marketing manager Anders Murhed.

IVP Integrated Vision Products was founded in 1985 to refine, market and sell the fast and intelligent image sensor that the company had developed. In recent years the company has focused on the field of 3D measurement. The company's headquarters are in Linköping in Sweden, but it has customers all over the world.


For more information, contact:
Anders Murhed, Marketing Manager
IVP Integrated Vision Products
Wallenbergs gata 4
SE-583 35 LINKÖPING
Sweden
Tel. +46 13 36 21 21, e-mail: anders.murhed@ivp.se
Website: www.ivp.se

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Laser measurement of three-dimensional shape - now even faster with a new generation

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