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Automatically Generating Malicious Disks using Symbolic Execution
Automatically Generating Malicious Disks Symbolic Execution
2015/8/7
Many current systems allow data produced by potentially malicious sources to be mounted as a file system. File system code must check this data for dangerous values or invariant violations before usin...
Erasable Phase Change Disks with Super Resolution Capability by Pulse-Readout
erasable thermal phase change super resolution disk (EPSR) optical super resolution mask layer recording layer below-diffraction-limited aperture pulse-readout
2011/11/30
Erasable thermal phase change super resolution (EPSR) disks composed of mask and recording layers can be fabricated with a 揵elow-diffraction-limited?aperture within the readout spot to achieve optical...
Volumetric optical disks comprising multiple data layers have been proposed to multiply recording density. Owing to the presence of out-of-focus data layers, interlayer cross talk is induced in readou...
Effects of ApertureWall on the Readout Signal of Erasable Thermal Phase Change Super Resolution (EPSR) Disks
erasable thermal phase change super resolution disk (EPSR) optical super resolution mask layer recording layer below-diffraction-limited aperture aperture wall pulse readout
2011/11/30
A 揵elow-diffraction-limited?aperture within the readout spot for high-density recording can be achieved on erasable thermal phase change super resolution (EPSR) disks. Compared to the large aperture w...
Initialization characteristics and their effects on the erasability of phase change optical disks using transmission electron microscopy
phase change optical disks initialization mark characteristics erasability transmission electron microscopy
2011/11/30
We investigated the microstructure of phase change optical disks subjected to various initialization conditions using transmission electron microscopy (TEM). The effects of initialization powers on th...
Synchronous Trigger Detection for Pulse Laser Readout on Super Resolution Erasable Optical Disks
pulse readout synchronous detection erasable optical disks thermal super resolution disks magneto-optical super resolution center aperture detection disk
2011/11/30
The laser pulse readout scheme is advantageous in reading thermal super resolution disks, but the light modulation on the RF signal confuses the detection channel. A synchronous trigger detection sche...
Mask films for thermally induced superresolution readout in rewritable phase-change optical disks
Gerasable phase change mask films thermally induced superresolution readout cyclability tellurium
2011/11/29
Tellurium was studied as a mask film in a thermally induced superresoulution rewritable optical disk for detecting below-diffraction-limit marks.Mark trains of 0.15 could be retrieved with 9dB in carr...
Optical Switching Layer for Rewirtable Volumetric Optical Disks
phase change DVD volumetric optical disk dual layer optical disk optical switching layer thermo-chromatic material
2011/11/28
Owing to the presence of out-of-focus recording layers in volumetric optical disks, laser energy is decreased in reading/writing the targeted active layer. A non-linear optical material as an optical ...
Enhancing the Overwriting Characteristics of Phase-Change Optical Disks by Doping in Dielectric Layers
overwriting characteristics cycleability phase-change optical disk doping dielectric layer
2011/11/25
In this work, we studied the enhancement of overwriting characteristics of phase-change optical disks by doping in the dielectric layers. The doping elements included chromium (Cr), molybdenum (Mo), n...
Two dimensional curved disks on a sphere: the evolution of kinetic energy
curved space kinetic energy
2010/9/27
We put disks on a sphere between two parallels of this sphere. The disks have the curvature of the sphere and interact via a simplified Hertz law. We analyze the behavior of the total kinetic energy o...
Viscous Heating Effects in Viscoelastic Flow between Rotating Parallel-Disks
Polymeric (Viscoelastic) fluid Parallel-Disks Rheometry Nonisothermal
2009/10/12
Viscoelastic flow between two rotating parallel-disks (plates) is studied. First the current state of the art is discussed and the limitations resulting from the simple flow assumptions are reported. ...
A Parametric Analysis of Rotating Variable Thickness Elastoplastic Annular Disks Subjected to Pressurized and Radially Constrained Boundary Conditions
Stress analysis Elastoplasticity Variable thickness Von Mises criterion Nonlinear strain
2009/10/10
This article presents a comprehensive parametric analysis of rotating variable thickness elastoplastic annular disks with inner boundaries subject to pressure or mounted on rigid inclusion. A computer...
Yielding and Elastoplastic Deformation of Annular Disks of a Parabolic Section Subject to External Compression
Variable thickness External pressure Nonlinear hardening Residual stresses
2009/10/10
A computational model is developed to predict partially plastic stresses in variable thickness annular disks subject to radial compression. The model is based on the von Mises’ yield criterion, deform...
Limitations for the Number of Layers of Multi-Layer Rewritable Phase-Change Optical Disks
Multi-layer Phase-change GeSbTe
2009/6/8
We carried out a feasibility study on rewritable phase-change optical disks with more than two recording layers. Dynamic recording-playing evaluations of the test disks and Tx measurements revealed th...