Delta Technologies, France

GONIOMETER

Over 40 years experience in the manufacture of production grade x-ray systems. Several hundreds of equipement in operation around the world. Standard or customized equipment for all applications.

GM Series
The GM Series X-ray measurement systems are general purpose heavy duty production units especially designed for measuring the orientation of crystal products with respect to a selected crystallographic plane. Orientation processes of small to medium size crystals can be performed with the help of dedicated holders and jigs. All single crystal can be processed, for all applications such as semi conductors, opto-electronics, optics, etc..

GM.WS Series
The GM.WS series X-ray orientation units are specifically dedicated to the accurate orientation of small to large size ingots before cutting on a wire saw. The proposed equipment and method call for a strictly crystallographic and mathematical process which takes the initial crystal disorientation* into account. By using this equipment, the ingot orientation is measured in such a way that the ingot can remain horizontal on the wire saw work holder for further slicing process, taking both the ingot own disorientation resulting from crystal pulling and OD grinding and a specified "off-orientation" if any, into consideration. In other words the equipment automatically targets the resulting angle at which the ingot can be sliced without requiring a vertical tilting. Depending of the type of wire saw, several gluing possibilities can be applied. Dedicated gluing equipment with orientation control is available.

* Process development with the scientific assistance of Mr Georges Bravic, at the Crystallography Research Laboratory of the University of Bordeaux, France.

GM.SI Series
The GM.SI Series X-ray orientation systems are heavy duty production units especially designed for locating the flat or notch position on all kinds of single crystals, from the smallest to the largest size. All single crystal can be processed, for all applications such as semiconductors, opto-electronics, optics, etc.

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GLUING STATION

The equipment is dedicated to control the gluing of an ingot on a saw work holder so that it is glued parallel to, or with a defined angle with respect to the side datum of the work holder. The process consists of 2 steps :
1. Gluing of the ingot on an epoxy or glass beam, using the gluing stage
2. Gluing of the ingot / beam assembly on the saw work holder at proper orientation, by using the orienting station.

GLUING Equipment : GS1-IF, GS2/450, GS1-AX, GS2-SiC