Abstract: The invention relates to a raw material or masterbatch made from a thermoplastic and comprising silicon compounds, to a process for its production, and also to films produced using the polymer and having a thickness in the range from 0.5 to 1 000 &mgr;m. The polymer or masterbatch also comprises at least one stabilizer/free radical scavenger. The invention further relates to a process for producing the film.

Abstract: The invention relates to a single- or multilayer, biaxially oriented film based on a crystallizable polyester and comprising at least one primary stabilizer for inhibiting oxidative degradation. The crystallizable polyester comprises from 100 to 10 000 ppm of primary stabilizer in covalently bonded form. The invention further relates to a process for producing the film.

Abstract: Process for producing biaxially oriented PET film for use in film capacitors with SMD capabilities and its use for SMD-technology film capacitors The invention describes a process for producing a biaxially oriented film of thickness <10 &mgr;m, where a polymer melt is extruded through the gap of an extrusion die onto a chill roll, stretched longitudinally and transversely and relaxed longitudinally by >0.1% and transversely by >3%, where the edges of the film are held during the longitudinal and transverse relaxation and the film is wound up.

Abstract: The present invention relates to a single or multilayer biaxially oriented film having a thickness of ≦12 &mgr;m, in which Ts (TD) is ≧160° C., S 200 (TD) is ≦5%, S 200 (MD) is 2-5%, the shrinkage force ratio Ns 220/Ns 160 is ≧4.5; the film fixing peak is ≧210° C.; the film density is 1.39-1.41 g/cm3, and Ts (TD) is the temperature at which the transverse shrinkage begins, S 200 (TD) is the shrinkage in the transverse direction (in %) at 200° C., S 200 (MD) is the shrinkage in the machine direction (in %) at 200° C., Ns 220 is the shrinkage force (in N) at 220° C. and Ns 160 is the shrinkage force (in N) at 160° C. in the transverse direction. The invention also relates to a method for forming the film.

Abstract: The invention relates to a biaxially oriented polyester film having one or more layers and a thickness of .ltoreq.10 .mu.m, where the mechanical consolidation coefficient MC, given by the following equation, lies within the ranges given below:MC here is .gtoreq.-2, preferably >0 and in particular >0.5, particularly preferably .gtoreq.1, and is .ltoreq.50, preferably .ltoreq.30 and particularly preferably <5 ##EQU1## S200.sub.TD is the transverse shrinkage in % at 200.degree. C. after 15 min.S200MD is the longitudinal shrinkage in % at 200.degree. C. after 15 min.T2% is the temperature in .degree. C. at which the film elongates by 2% under a constant tension of 5 N/mm.sup.2.E.sub.TD is the transverse modulus of elasticity (tensile modulus) at room temperature (21.degree. C.) in N/mm.sup.2.

Abstract: A thermoplastic raw material, such as a polyester, containing particles (I) having an average particle diameter of <0.5 .mu.m and particles (II) having an average particle diameter of from 3.3 to 4.0 .mu.m, is useful, for example, in the production of an oriented monolayer or multilayer film having a total thickness of .ltoreq.4 .mu.m and a roughness on at least one film surface of R.sub.a <30 nm, the surface gas flow time t on at least one film surface being <2900 sec and the winding stability of the film being at least 8000. The film is useful, for example, as a capacitor film.

Abstract: A device for machining workpieces of wood or plastic has at least one spindle having a spindle axis and being moveable transverse to the spindle axis relative to a reference plane. A machining tool having cutting edges is provided. The machining tool is seated on the spindle. At least one measuring device is provided for correctly positioning the cutting edges relative to the reference plane. Correct positioning is achieved by moving the spindle in a direction transverse to the spindle axis and detecting by the measuring device a preset position of the cutting edges of the machining tool relative to the reference plane and generating a switch-off signal when the cutting edges of the matching tool are in the preset position.

Abstract: The invention relates to a biaxially oriented polyester film having a roughness, on at least one film surface, of R.sub.z greater than 1.0 .mu.m (Ra is greater than 0.1 .mu.m), a dielectric strength (AC) greater than 220 kV/mm (the DC dielectric strength is greater than 500 kV/mm) and a migrating fraction in the film of less than 18 .mu.S/cm based on a mass of added particles in a polyester volume of 100 cm.sup.3. The film is particularly suitable for oil-impregnated capacitors.

Abstract: The invention describes a novel polyester raw material and the production and use of an oriented, single- or multilayer film having an overall thickness of .ltoreq.4 .mu.m and a roughness on at least one film surface of R.sub.a <30 nm, where the surface gas-flow resistance on at least one film surface ist.ltoreq.a.multidot.d.sup.b [sec],where a=0 to 10,000 [sec/.mu.m], b=3.0 to .sigma., and d (overall film thickness) .ltoreq.4 .mu.m. The film contains first (I) and second (II) particles. The first particles are monodisperse and have an aspect ratio of 1.0-1.2.

Abstract: The invention describes a novel polyester raw material and the production and use of an oriented, single- or multilayer film having an overall thickness of .ltoreq.4 .mu.m and a roughness on at least one film surface of R.sub.a <30 nm, where the surface gas-flow resistance on at least one film surface ist.ltoreq.a.multidot.d.sup.b [sec],where a=0 to 10,000 [sec/.mu.m], b=3.0 to 0, and d (overall film thickness).ltoreq.4 .mu.m. The film contains first (I) and second (II) particles. The first particles are monodisperse and have an aspect ratio of 1.0-1.2.

Abstract: A reserve-surface cleaning apparatus is used in combination with a ring-spinning machine having a longitudinally extending row of spindles each adapted to hold a roving sleeve and each formed below the respective sleeve with a respective reserve winding area and a longitudinally extending frame extending along a back side of the row and a service area extending along a front side of the row. The cleaning system has a guide rail extending on the frame longitudinally along the back side of the row of spindles, a cleaner carriage displaceable longitudinally along the rail past the spindles, and a drive for displacing the cleaner carriage longitudinally along the rail past the spindles. A set of tools on the cleaner carriage strips roving from the reserve surfaces as the cleaner carriage passes same.

Abstract: A circuit arrangement for dividing an input signal A by a signal B, for eple for use in localizing radiation detection, has a dividing analog-to-digital converter receiving an addition signal A+q.times.B as well as the divisor signal B to form the quotient (A+q.times.B)/B from which a digital random value r is subtracted, where r corresponds to q. The ADC can be a Flash ADC and the resulting circuit has good differential linearity and is fast.

Abstract: A position-sensitive detector for electronically imaging objects emitting low-intensity light radiation, comprises a photocathode means for converting incident low-intensity light radiation into electrons; electron acceleration means disposed in series with the photocathode means for accelerating the electrons generated by the photocathode means; transducer means disposed in series with the acceleration means for converting the accelerated electrons into ultra-violet radiation; and a multi-wire chamber means disposed in series with the transducer means for providing readout of the position of the ultra-violet radiation.A detector having a solid scintillator for electronically imaging objects emitting low-intensity x-ray or gamma ray or the like is also disclosed.

Abstract: The cable is introduced into a sealing tube containing elastic sealing elements before entering the vulcanization chamber which is separated from the extruder. The elements have closed chambers which can be individually pressurized by, in each case, one line, while pressure regulation takes place by means of pressure reducing valves. Gaps can be provided between the individual chambers and they are filled by the heat transfer medium which brings about the crosslinking of the layer extruded onto cable and which passes out of the intake opening of vulcanization chamber. A leakage flow forms along the entire sealing tube and this passes through the openings of sealing elements and completely fills the annular clearance between the boundary of the opening and the cable, so that any contact between the cable and the sealing elements is at least substantially prevented. The gaps can be filled with a sealing liquid, which then forms the leakage flow instead of or together with the heat transfer medium.

Abstract: A control circuit for a continuous conversion of information carrying anaous voltage and current signals into digital magnitudes containing said information, the respective digital magnitude is so coded that always one digital magnitude differs from the next higher digital magnitude merely by a one-digit digital information value. The circuit of the invention is characterized primarily in that for a simultaneous reception of the signals there are provided one or more serially arranged analogous digital converters as well as control stages comprising one or more groups, while the groups for folding the signals are formed by differential converters which emit the folded signals at the exit of the respective group and while an analogous digital converter follows the control stage or stages. The analogous digital converter forms informational values of the digital magnitudes by a subdivision of the signals.