摘要:
A compound constructed by N (N is an integer of 2 or more) kinds of phases containing at least one kind of elements selected from a group consisting of Co, Ti, V, Cr, Mn, Fe, Ni, Si, Pb, Bi and Al. At least one kind to (N−1) kinds among the N kinds of phases are continuous phases, and the other phases are discontinuous phases.
摘要:
A recording method for an optical recording medium having grooves and lands alternately provided in a radial direction and having information recording areas formed thereon, and at least one prepit region where a groove is not formed. In the prepit region, first and second information marks are disposed on a virtual extension of respectively a first boundary between one groove and one adjacent land and a second boundary between the one groove and an other adjacent land, the information marks being disposed so as not to exist at opposing positions on both of the first and second boundaries of the one groove. The first and second information marks include synchronous information and address information and a trailing edge of the first information marks is aligned in the radial direction. The method includes providing the optical medium, and recording information on the optical medium by irradiating an optical spot thereon.
摘要:
A recording apparatus for recording information to an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction and arranged on a boundary line of the respective tracks, the first and second prepit portions each having address information prepits arranged at every two-track pitch in the radial direction. The address information prepit of the first and second prepit portions being arranged with one track displaced in the radial direction, and a trailing end of an end prepit of the first prepit portion being aligned with the radial direction. The recording apparatus includes an irradiation source for irradiating a light spot on the optical recording medium, and a controller for controlling an irradiation position of an optical spot from the irradiation source.
摘要:
A reproduction apparatus for reproducing information recorded on an optical medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction, and a synchronous information prepit of the respective first and second prepit portions being arranged on a boundary of the respective tracks. The first and second prepit portions including the synchronous information prepit are arranged at every two-track pitch in the radial direction and the first and second prepit portions are arranged at opposite boundaries of the same track. The prepit portion includes a gap between the first and second prepit portions. The apparatus includes an irradiation source for irradiating a light spot on the medium, a detector for detecting a reflected light from the medium, and a reproducer for reproducing information by using a signal from the optical detector.
摘要:
A method for recording information is disclosed in which an information recording medium is irradiated with a recording energy beam power-modulated into at least a record power level and a record-ready power level lower than the record power level. When forming a mark portion of a predetermined length, the radiation energy of the energy beam is increased as compared with when forming a mark portion of a different length before or after the first pulse of an energy beam pulse train including at least a pulse for forming the mark portion. Also, only in the case where the energy beam is modulated by the power lower in power level than the record-ready power level after the last pulse of the energy beam pulse train including at least one pulse for forming a mark portion and the mark portion is followed by a space portion of a predetermined length, the particular radiation energy of low power level is reduced as compared with when the mark portion is followed by a space potion of a different length. The radiation energy is increased and/or decreased.
摘要:
An electrochromic device with high transmittance is for use as a display device. The electrochromic device includes at least a first and a second electrode formed on an insulative substrate and a conductive layer formed in contact with the insulative substrate, the first electrode, and the second electrode. Since an electrode layer functions in one layer, the transmittance through the device is enhanced, and the device can be fabricated in a simple process, allowing a reduction in the device fabrication costs.
摘要:
An information recording medium and manufacturing method for high-speed and high density recording. An inorganic film is formed by sputtering while applying a bias voltage to shift the substrate voltage potential in the negative direction, or a laminated film is formed by applying energy after coating a substrate with an organic film, and the irregularities maintained even after the laminated film is formed, so that stable, high-capacity and high-speed recording can be attained by forming a multi-information-layer that still retains the irregularities.
摘要:
A recording method for an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, wherein the prepit portion includes first and second prepit portions divided in a track direction, and wherein a prepit of the respective first and second prepit portions is arranged on a boundary of the respective tracks. The first prepit portion has an address information prepit and a synchronous information prepit, and the second prepit portion has a synchronous information prepit. The prepit of the first prepit portion and the prepit of the second prepit portion are arranged with one track displaced in the radial direction and a trailing end of an edge prepit of the first prepit portion is aligned in the radial direction. The method includes providing the optical medium, and recording information on the optical medium by irradiating an optical spot thereon.
摘要:
A reproducing method for reproducing information recorded on an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction and arranged on a boundary line of the respective tracks. The first and second prepit portions each have address information prepits arranged at every two-track pitch in the radial direction, and the address information prepit of the first and second prepit portions are arranged with one track displaced in the radial direction. The method includes irradiating an optical spot on the medium, detecting a reflected beam from the medium, and reproducing information on the medium by using a signal obtained by the reflected beam.
摘要:
A recording method for an optical medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including a first and a second prepit portion divided in a track direction with respective first and second prepit portions being arranged on a boundary of the respective tracks. The first prepit portion includes a synchronous information prepit and the second prepit portion includes a synchronous information prepit which are arranged at every two-track pitch in the radial direction and arranged at opposite boundaries of the same track. A trailing end of the first prepit portion is aligned with the radial direction in the arrangement. The method includes providing the optical medium, and recording information on the optical medium by irradiating an optical spot thereon.