Abstract: In order to produce a monitoring device for checking for a predefined position of a body or checking for the presence of a body, comprising a pivotal check element, a motor for driving the checking element and a housing for accommodating the motor, which will be universally employable especially in difficult working surroundings, it is proposed that a seal be arrangement between the checking element and the housing around a shaft by means of which the checking element is driven.

Abstract: The invention relates to a method and an arrangement for regulating the layer thickness of a coating material on a web moved in its longitudinal direction. The thickness of the layer is measured at several sites over the width of the web and a coating installation is regulated, such that the thickness of the layer is constant over the width of the web. The thickness regulation can be attained by means of intensity variations of electron beams, which vaporize a coating material. But it is also possible that several evaporator crucibles distributed over the width of the web are heated individually, such that a uniform coating results over the width of the web. With the aid of an additional transmission measuring instrument the composition of the coating material can also be regulated, such that it is constant over the width of the web.

Abstract: A guide arrangement (1) for guiding webs in evacuatable web treatment installations comprises at least one guide roller (2) with an axis (5), whose spatial position is settable. To solve the problem of compensating in modular installations with several chambers either misalignments of the chambers relative to one another and/or to avoid completely adjustable roller frames, whose adjustment would require the repositioning of treatment and coating sources and of separating gaps on the circumference of coating rollers, the invention proposes that the guide roller (2) is supported between two pivot bearings (11, 12), of which at least one is adjustable relative to the other transversely to the axis (5). This is preferably carried out thereby that the adjustable pivot bearing (12) comprises a slide guide (15), fastened to a chamber wall (14), on which a slide (16) with the pivot bearing (12) is guided, and that the adjustable pivot bearing (12) comprises a remotely operated adjustment drive (21).

Abstract: The transmission ratio of a stepless transmission is adjusted in accordance with a selectable closed loop control strategy, whereby the transmission ratio is infinitely variable between two transmission ratio end values by actuator forces effective on axially adjustable bevel discs forming part of the stepless transmission. High end position forces on the bevel discs in their end positions are limited, yet the entire control range of the bevel discs may be used. For this purpose the transmission ratio is modulated in an end position operating mode by modulating the actuator forces that axially shift the bevel discs. The actuator forces are controlled in a closed loop manner.

Abstract: In order to improve a monitoring device for checking for a predefined position of a body or for checking for the presence of a body, comprising a pivotal checking element, a motor for driving the checking element and a control device for controlling the pivotal movement of the checking element, in such a manner that it is universally employable and, in particular, the exertion of too high a force on a body is prevented, it is proposed that the checking element be adapted to be pivoted commencing from a starting position through a transition region into a monitoring region in which the predefined position of the body lies or in which the presence of a body should be monitored, and that the control device limit the torque of the checking element in such a manner that the maximum possible torque in the monitoring region is reduced relative to that in the transition region.

Abstract: In order to produce a monitoring device for checking for a predefined position of a body or for checking for the presence of a body, comprising a pivotal checking element, a motor for driving the checking element and a control device for controlling the pivotal movement of the checking element, wherein the pivotal movement is effected in a controlled manner, provision is made for the control device to specify the pivotal position of the checking element in dependence on the time.

Abstract: The transmission ratio of a transmission is adjusted, in a method for controlling a stepless transmission, in accordance with a selected closed loop control strategy. Thereby, the transmission ratio can be varied infinitely between two transmission ratio end values by actuator forces effective on adjustment means. Thereby it is disadvantageous that the adjustment means are moved into their mechanical end positions when an over-control of the transmission occurs. High end position forces occur in the end positions and lead to a high dissipation power and to a high wear and tear. The new method shall make possible the utilization of the entire control range of the transmission while simultaneously limiting the end position forces which are effective in the end positions of the adjustment means.

Abstract: In order to produce a monitoring device for checking for a predefined position of a body or checking for the presence of a body, comprising a pivotal check element, a motor for driving the checking element and a housing for accommodating the motor, which will be universally employable especially in difficult working surroundings, it is proposed that a seal be arrangement between the checking element and the housing around a shaft by means of which the checking element is driven.

Abstract: A pure metal is vaporized in a receiver, and a quantity of oxygen slightly substoichiometric for the oxide is introduced. To determine the thickness of the layer deposited on the film and to control the vaporization rate, optical sensors are installed in an area where the layer, because of the presence of unoxidized metal, has sufficient absorption for optical measurement. After the determination of the transparency by the sensors, the layer is subjected to a secondary oxidation process.

Abstract: In order to improve a monitoring device for checking for a predefined position of a body or for checking for the presence of a body, comprising a pivotal checking element, a motor for driving the checking element and a control device for controlling the pivotal movement of the checking element, in such a manner that it is universally employable and, in particular, the exertion of too high a force on a body is prevented, it is proposed that the checking element be adapted to be pivoted commencing from a starting position through a transition region into a monitoring region in which the predefined position of the body lies or in which the presence of a body should be monitored, and that the control device limit the torque of the checking element in such a manner that the maximum possible torque in the monitoring region is reduced relative to that in the transition region. The present disclosure relates to the subject matter disclosed in German patent application No. 100 00 954.9 of Jan.

Abstract: In order to produce a monitoring device for checking for a predefined position of a body or for checking for the presence of a body, comprising a pivotal checking element, a motor for driving the checking element and a control device for controlling the pivotal movement of the checking element, wherein the pivotal movement is effected in a controlled manner, provision is made for the control device to specify the pivotal position of the checking element in dependence on the time.

Abstract: An optical recording medium for an audio-video or ROM compact disc comprises a pitted translucent base material and a layer of a corrosion resistant metal or combination of metals from the group consisting of tantalum, chromium, cobalt, and nickel. For example, TaNi or CrCo can be applied to the surface, providing good adhesion, reflecting light, providing a printable surface, and not requiring any further coating such as a protective lacquer.

Abstract: In a process for coating substrates 1, 35, for example aluminum ceramic plates 1 or polyimide films 35 with copper by means of a device including a direct current source 10 which is connected to a sputtering cathode 5, 30, 31 disposed in a process chamber 15, 15a, 32 which can be evacuated and this cathode electrically interacts with a copper target 3, 33, 34 which can be sputtered and the sputtered particles are deposited on the substrate 1, 35 whereby the argon gas can be introduced into the process chamber 15, 15a, 32 which can be evacuated, an oxygen inlet 20, 39 is provided in addition to the argon inlet 21, 40, whereby the supply of oxygen can be controlled via a valve 19, 43 inserted in the feed line 23, 39 and the amount of oxygen can be metered such that during a first process phase a copper oxide layer which functions as a bonding agent forms on the substrate 1, 35 and after adjusting the argon atmosphere in the process chamber 15, 15a, 32 pure copper is deposited as an electrically conductive layer

Abstract: In an apparatus for applying dielectric or metallic substances, such as silicon dioxide, for example, to a substrate (15) disposed in a vacuum chamber (16, 17), the apparatus having an electron emitter (9) and having solenoid coils (30, 42) disposed in the area of the vacuum chamber, the electron emitter (9) is disposed in a separate generator chamber (37) forming the anode (11) and communicating with the vacuum chamber (17), so that, after the process gas is introduced into the generator chamber (37) a large-area plasma jet (8) is produced which is guided by the action of magnets (6, 20, 30, 42) between the electron emitter (9) and a melting furnace (7) disposed in the vacuum chamber (17), while the vapor stream issuing from the melting furnace (7) is accelerated and reaches the substrate (15) as activated vapor.

Abstract: In an optical recording medium, for an audio-video or ROM compact disc comprising a pitted translucent base material and a layer (9) of a corrosion resistant metal or combination of metals from the groups 4N, 5N, 7N or 8N of the periodic table of elements is disclosed. For example NiCr can Be Applied onto the surface having the pits (7), thereby providing good adhesion, reflecting light and providing printable surface and not requiring any further coating such as a protective lacquer. Also, in the event that a gold-colored glossy layer is necessary, a CuBe layer can be sputtered onto the substrate (8).

Abstract: An apparatus to apply materials to a substrate disposed in a vacuum chamber is disclosed. A separate generator chamber containing an electron emitter is connected to the vacuum chamber by a process chamber so that a plasma of controllable cross-sectional shape and large area is formed and guided by magnets toward a target system. Positive ions may be accelerated against the target by applying an adjustable negative voltage.