Robert Boschgmbh

Reinhard Dimke

Josef Weber

Klaus Dobler

Hansjoerg Hachtel

Richard Blattert

Juergen Hackenberg

Franz Auf Der Heide

A device for holding components made of a ferromagnetic material that are arranged consecutively in a row and are held in place with one contact surface resting against at least two adjacent magnetic poles of opposite polarity, with the magnetic lines of force between the magnetic poles being concentrated in a region close to the contact surface of the components without magnetically influencing the working surfaces opposite the contact surfaces, in which the component holding capacity of the device is considerably increased, without impairing the residual magnetic field in the edge areas, by arranging multiple rows of the components parallel to each other and assigning to the outer rows of the components additional magnetic circuits that divert or compensate for the residual magnetic field of the working surfaces of the components.

Device for retaining components made from a ferromagnetic material

In a method for determining a thickness of a layer of electromagnetically conductive material, the measurement errors resulting from different quality of the basic material are eliminated. For each basic material, one dimensionless characteristic value (K) is ascertained. With the aid of a characteristic calibration curve, each characteristic value (K) can be assigned a correction factor (F), with which the measured value of the layer thickness (D ) can be converted into a real value of the layer thickness (D). Different electrical and magnetic properties, dictated by the different quality of the basic material, can thus be largely eliminated.

Method for determining the thickness of a layer of electrically conductive material

A process for determining a thickness of a layer of electrically conductive material, any measurement errors are converted into dimensionless norm values with the aid of a normalization process. In this conversion, measurement errors, for example due to temperature drift and different electrical and magnetic properties of the base material of the carrying body can be largely eliminated. These norm values are converted into layer thickness values with the aid of a calibration curve.

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Stuttgart, Germany

Reinhard Dimke