Abstract: The application relates to methods and devices for determining the optimal erase (17) and write powers for erasing and writing information on an optical record carrier (85). These optimal powers are determined from two powers, Pmin (15) and Pmax (16), found at specific points, (22) and (24), in a curve (10) where the normalized reflected power (12) is plotted versus the test power (11).

Abstract: The application relates to methods and devices for determining the optimal erase (17) and write powers for erasing and writing information on an optical record carrier (85). These optimal powers are determined from two powers, Pmin (15) and Pmax (16), found at specific points, (22) and (24), in a curve (10) where the normalized reflected power (12) is plotted versus the test power (11).

Abstract: The present invention is directed to using neomycin or an analogue thereof as an therapeutic agent to treat angiogenesis-related diseases, which are characterized by excessive, undesired or inappropriate angiogenesis or proliferation of endothelial cells. The present invention is also directed to pharmaceutical compositions comprising (a) neomycin or an analogue and, optionally, (b) another anti-angiogenic agent or an anti-neoplastic agent. The present invention is further directed to a method for screening neomycin analogues having anti-angiogenic activity. A preferred embodiment of the invention relates to using neomycin to treat subjects having such diseases.

Abstract: An optical information medium (20) for erasable recording by means of a laser-light beam (10) is provided. A substrate (1) holds a stack (2) of layers with a phase-change recording layer (5) between a first dielectric layer (4) and a second dielectric layer (6). A light-absorptive layer (7) is present proximate the recording layer (5) and is made of a compound of the formula QRx, in which Q is the element Si, Ge, Ti, Zr, Hf, Nb or Ta, R is the element O or N, and 0<x≦2.5, in order to achieve that 0.8<Ac/Aa<1.50, in which Ac and Aa are the respective quantities of laser-light absorbed in the recording layer (5) in the crystalline state and the amorphous state at a laser-light wavelength selected from a range of 350-450 nm. Thus high data rates and low data jitters are achieved at this short wavelength range by tuning x to an optimal value during manufacture of the optical information medium.

Abstract: An optical information medium (20) for high speed erasable recording by means of a laser-light beam (10) is provided. A substrate (1) has a stack (2) of layers with a first dielectric layer (5) and a second dielectric layer (7), a phase-change recording layer (6) between the first dielectric layer (5) and the second dielectric layer (7), and a reflective layer (3). The recording layer (6) has a compound of Ge and Te, and at least the first dielectric layer (5) consists of oxides of Ta and Si, nitrides of Si and Al, or carbides of Si, and is in contact with the recording layer (6). The recording layer (6) additionally may contain O or N in an amount up to 5 at. %. A broad usable composition range for low CET values is obtained. Thus high data rates are achieved.

Abstract: The optical recording medium (20) has a substrate (1) and a stack (2) of layers provided thereon. A phase change recording layer (5), having a melting point Tmp is sandwiched between a first (3) and a second (7) dielectric layer. A crystallization-accelerating layer (4, 6) is being interposed in contact with the recording layer (5). Further a reflective layer (8) is present and an optional cover layer (9).

Abstract: It is made possible to promptly determine an accurate parting line. Two-dimensional projection means produces two-dimensional projection data by projecting edges of a product shape represented by three-dimensional graphic data onto a plane perpendicular to a mold opening direction. Parting line determination means sequentially determines, out of candidate edges contiguous to a determined parting line already determined as parting line, a candidate edge forming a largest interior angle with the determined parting line at a contact point therewith on the two-dimensional projection data, as the parting line. This makes it possible to determine a parting line of a mold for molding the product shape represented by the three-dimensional graphic data.

Abstract: A rewritable optical information medium includes a substrate coated with two carbide layers, a phase-change recording layer between two carbide layers, and a light-absorptive layer of a material like Si, Ge, Mo, or W to slow the cooling when scanned with laser light so that the medium can be used for high data rate recording. The material is capable of a user data bit rate of 50 Mbit/s.

Abstract: A description is given of a rewritable optical information medium having an IPIAIM stack comprising a phase-change recording layer sandwiched between two dielectric layers, a light-absorbing layer of a material like Si, Ge, Mo, or W, a third dielectric layer, and a metal mirror layer. The light-absorbing layer reduces the difference in light absorption between the amorphous state and the crystalline state to a minimum, thus reducing the recording mark distortion. The presence of the light-absorbing layer in this position ensures that the optical phase difference between the amorphous and the crystalline state is almost zero, making the medium suitable for land-groove recording.

Abstract: A rewritable optical information medium has a phase-change recording layer on the basis of an alloy of Ge--Sb--Te, which composition is situated within the pentagonal area PQRST in a triangular ternary composition diagram. These alloys show a complete erase time of 50 ns or less. CET-values below 45 ns are obtained with alloys situated on the tie-line connecting Te and the compound GeSb.sub.2 Te.sub.4 within the area PQRST. Such a medium is suitable for high speed recording (i.e. at least six times the CD-speed), such as for DVD-RAM and optical tape.

Abstract: A rewritable optical information medium has a phase-change recording layer (3) on the basis of an alloy of Ge-Sb-Te-O, having the composition (Ge.sub.a Sb.sub.b Te.sub.c).sub.1-d O.sub.d, wherein:a+b+c=10.0001 a d a 0.035The addition of oxygen considerably speeds up the crystallization rate of Ge-Sb-Te materials. Such a medium is suitable for high speed recording (i.e. at least eight times the CD-speed), such as for DVD-RAM and optical tape. The amount of oxygen in the recording layer (3) can be used to tune the crystallization rate to the desired value.

Abstract: An optical recording medium has a phase-change recording layer embedded in a stack of thin layers arranged on a substrate. At least one of the dielectric layers adjacent to the recording layer comprises a carbide. The carbide layer is separated from the substrate and/or from a reflecting layer in the stack by a dielectric layer not containing a carbide. The thickness of the carbide layer either lies in a range from 2 to 8 nm or is substantially equal to the thickness of the adjacent dielectric layer.

Abstract: A description is given of an reversible optical information medium comprising a substrate, a first dielectric layer, a phase-change recording layer on the basis of Ge--Sb--Te, a second dielectric layer, and a metal mirror layer. The recording layer comprises an alloy having the composition Ge.sub.50x Sb.sub.40-40x Te.sub.60-10x in atom %, wherein0.166.ltoreq.x.ltoreq.0.444and wherein the layer thickness d.sub.3 of said recording layer ranges between 25 and 35 nm. Such a medium is suitable for high speed recording (i.e. at least twice the CD-speed), and has a large cyclability of at least 10.sup.5 direct overwrite cycles.

Abstract: An electric power steering apparatus in which the steering force of a steering wheel is assisted by an electric motor is disclosed. The number of revolution of the electric motor is detected, and the counter electromotive force of the electric motor is calculated on the basis of the detected number of revolution. A voltage which is to be applied to the electric motor and corresponds to the driving current instruction value determined in accordance with the steering torque is corrected on the basis of the calculated counter electromotive force. In the electric power steering apparatus, the period of the detection of the number of revolution of the electric motor is made longer than the period of the feedback control of the driving current of the electric motor, and the period of the feedback control of the driving current of the electric motor is synchronized with the period of the correction of the voltage to be applied.

Abstract: In an electric power steering apparatus using a direct drive electric motor for assisting steering force, the electric motor is operated with three-phase alternating current obtained from a direct-current power supply through an inverter, the three-phase alternating current being controlled by detecting the value of the direct current being supplied to the inverter. The difference between the detected direct current and a target current calculated on the basis of detected vehicle speed and steering torque is determined, based on which the three-phase alternating current is controlled.

Abstract: A power steering apparatus for eliminating the counter electromotive force generated upon stopping the motor for assisting steering force includes a circuit for opening all of the commutation-controlled switches (power transistors) each connected to an end of one of the coils of the motor and to disconnect and isolate the one ends from each other and prevent the production of a counter-electromotive force.