摘要:
Provided is an information storage medium using nanocrystal particles, a method of manufacturing the information storage medium, and an information storage apparatus including the information storage medium. The information storage medium includes a conductive layer, a first insulating layer formed on the conductive layer, a nanocrystal layer that is formed on the first insulating layer and includes conductive nanocrystal particles that can trap charges, and a second insulating layer formed on the nanocrystal layer.
摘要:
A semiconductor probe with a high-resolution tip and a method of fabricating the same are provided. The semiconductor probe includes: a cantilever doped with a first impurity; a resistive convex portion projecting from an end portion of the cantilever and lightly doped with a second impurity opposite in polarity to the first impurity; and first and second electrode regions formed on either side of the resistive convex portion and heavily doped with the second impurity.
摘要:
An electric field effect read/write head for recording/reproducing information on/from a ferroelectric recording medium using an electric field effect includes a semiconductor substrate, a recess portion formed in an upper surface of the semiconductor substrate facing the ferroelectric recording medium, and a recording/reproduction portion provided in the recess portion.
摘要:
Provided are an electric field read/write device and a method of driving an electric field read/write device. The method including an electric field read/write head comprising a resistance region disposed between a source region and a drain region and a writing electrode disposed on the resistance region, wherein the method includes: applying a controlling voltage to the writing electrode, wherein the controlling voltage is smaller than a threshold voltage which causes polarization of a recording medium, and reproducing data recorded in the recording medium according to change of an amount of a current flowing through the resistance region according to a polarization direction of electric domains of the recording medium.
摘要:
A ferroelectric information storage medium having ferroelectric nanodots and a method of manufacturing the ferroelectric information storage medium are provided. The ferroelectric information storage medium includes a substrate, an electrode formed on the substrate, and ferroelectric nanodots formed on the electrode, wherein the ferroelectric nanodots are separated from each other, and a plurality of the ferroelectric nanodots form a single bit region.
摘要:
A method of manufacturing an electric field sensor having an electric field shield. The method includes providing a substrate doped with a first impurity; forming a resistive tip having a resistance region doped with a low concentration of a second impurity at an apex of a protruding portion of the substrate, and first and second semiconductor electrode regions doped with a high concentration of the second impurity on both slopes of the protruding portion with the resistive region therebetween, wherein the second impurity has a polarity opposite to that of the first impurity; forming a dielectric layer on the resistive tip; forming a mask having a high aspect ratio on the dielectric layer; depositing a metal layer on the dielectric layer; and exposing the dielectric layer formed on the resistance region through the metal layer by removing the mask.
摘要:
Provided are a semiconductor probe, a method of manufacturing the same, and an apparatus and method for analyzing a semiconductor surface using the semiconductor probe. The semiconductor probe includes a semiconductor tip containing a low concentration of impurities and a cantilever having a conductive area formed in close proximity to the semiconductor tip attached at one end thereof and doped with a high concentration of impurities. The analysis apparatus and method uses high resolution, non-destructive measurement by forming a PN junction between the sample and the semiconductor probe, thereby enabling quantitative extraction of impurity concentration of the sample.
摘要:
An information storage medium and an apparatus adopting the information storage medium. The information storage medium includes: a substrate; a lower magnetic layer formed on the substrate; and an upper magnetic layer, the upper magnetic layer includes an alumina layer having cavities formed on the lower magnetic layer and a magnetic material that is formed in the cavities of the alumina layer, which magnetic material contacts the lower magnetic layer.
摘要:
Provided are a ferroelectric recording medium and a method of manufacturing the same. The ferroelectric recording medium includes a substrate, a plurality of supporting layers which are formed on the substrate, each of the supporting layers having at least two lateral surfaces; and data recording layers formed on the lateral surfaces of the supporting layers. First and second data recording layers may be respectively disposed on two facing lateral surfaces of each of the supporting layers. The supporting layers may be polygonal pillars having at least three lateral surfaces. A plurality of the supporting layers can be disposed at uniform intervals in a two-dimensional array.
摘要:
A semiconductor probe having an embossed resistive tip and a method of fabricating the semiconductor probe are provided. The semiconductor probe includes a protrusion portion protruded to a predetermined height on a cantilever in a first direction crossing a length direction of the cantilever, an embossed resistive tip formed on the protrusion portion, and first and second semiconductor electrode regions formed at opposite sides of the embossed resistive tip at the protrusion portion, wherein the cantilever is doped with a first dopant, the first and second semiconductor electrode regions and the embossed resistive tip are doped with a second dopant having a different polarity from the first dopant, and the embossed resistive tip is doped with a concentration lower than the first and second semiconductor electrode regions.