Abstract: A sealing system including a rotary sealing surface on a rotary shaft and a rotary shaft lip seal, of which the rotary sealing surface has a surface coating layer of a solid lubricant substance. The invention further includes an industrial robot having several axes of rotation, including a manipulator with drive units for rotating robot parts according to the axes of rotation of the robot, and at least one of the drive units having a rotary shaft provided with such a sealing system. In addition, the invention includes a method for providing a rotary sealing surface on a rotary shaft, including coating the intended sealing surface of the rotary shaft with a surface coating layer of a solid lubricant substance.

Abstract: A varistor including a varistor body with two parallel end faces made of a material that contains one or more metal oxides, and at least one electrode made of an electrically conductive electrode material arranged on any of the end faces of the varistor body. The electrode includes a layer of electrode material coated on the end face by means of an ion- or atom-transferring method, whereby the layer has a thickness within the interval of from 5 micrometers to 30 micrometers.

Abstract: An arrangement and method for imaging and/or measuring tissue qualities, such as tissue thickness, tissue surface roughness and degree of tissue fiber linearization. The arrangement includes at least one light generating element, at least one light detecting element, a probe with an extension, and possibly a control apparatus including a signal processor for processing the detected signals and/or images. The extension is designed to convey light from the light generating element to the tissue for visualization and/or measurement. The extension is also designed to convey light back-scattered from the tissue to the light detecting element. The detecting element is designed to measure the intensity and/or spatial distribution of light back-scattered from the tissue.

Abstract: Device for measuring physical properties of the tympanic membrane (TM), comprising an elongated probe (12) with a distal end (15) for inspection of the ear, wherein a plurality of optical fibres is arranged in said elongated probe. The plurality of fibres includes either a first set of fibres (21) for conveying light from a light source to said distal end of said probe and a second set of fibres (22) for conveying light reflected from the tympanic membrane in front of said distal end to a first detector means (23) or a set of fibres both for conveying light from a light source to said distal end of said probe and for conveying light reflected from the tympanic membrane in front of said distal end to a first detector means (23). Said first detector means (23) is designed for measuring the intensity of light reflected from the tympanic membrane.