摘要:
An optimum performance is achieved relative to write-once type optical recording mediums on which information is recorded by means of a blue-violet semiconductor laser. An optical disc recording/reproduction apparatus 10 comprises an LD control section 17 adapted to control the irradiation power of a laser when writing data. If the cycle of the channel clock is T, when forming a recording mark having a length of n×T (n being an integer not smaller than 2), a pulse beam is irradiated onto the write-once type information recording medium for n/2 times (decimals, if any, being to be rounded down). When forming a recording mark having a length of not smaller than 6T and even number times of T, a pulse beam is irradiated for n/2 times with all the intermediate pulse beams synchronized with the phase of the channel clock except the leading pulse beam and the tail end pulse beam. When forming a recording mark having a length of not smaller than 6T and odd number times of T, a pulse beam is irradiated with all the intermediate pulse beams delayed from the phase of the channel clock by T/2 except the leading pulse beam and the tail end pulse beam.
摘要:
An optimum performance is achieved relative to write-once type optical recording mediums on which information is recorded by means of a blue-violet semiconductor laser. An optical disc recording/reproduction apparatus 10 comprises an LD control section 17 adapted to control the irradiation power of a laser when writing data. If the cycle of the channel clock is T, when forming a recording mark having a length of n×T (n being an integer not smaller than 2), a pulse beam is irradiated onto the write-once type information recording medium for n/2 times (decimals, if any, being to be rounded down). When forming a recording mark having a length of not smaller than 6T and even number times of T, a pulse beam is irradiated for n/2 times with all the intermediate pulse beams synchronized with the phase of the channel clock except the leading pulse beam and the tail end pulse beam. When forming a recording mark having a length of not smaller than 6T and odd number times of T, a pulse beam is irradiated with all the intermediate pulse beams delayed from the phase of the channel clock by T/2 except the leading pulse beam and the tail end pulse beam.
摘要:
The present technology is able to provide a solid electrolyte cell that uses a positive electrode active material which has a high ionic conductivity in an amorphous state, and a positive electrode active material which has a high ionic conductivity in an amorphous state. The solid electrolyte cell has a stacked body, in which, a positive electrode side current collector film, a positive electrode active material film, a solid electrolyte film, a negative electrode potential formation layer and a negative electrode side current collector film are stacked, in this order, on a substrate. The positive electrode active material film is made up with an amorphous-state lithium phosphate compound that contains Li; P; an element M1 selected from Ni, Co, Mn, Au, Ag, and Pd; and O, for example.
摘要:
Provided are: a solid electrolyte battery using a novel positive electrode active material that functions in an amorphous state; and a novel positive electrode active material that functions in an amorphous state. The solid electrolyte battery includes: a positive electrode layer including a positive electrode active material layer; a negative electrode layer; and a solid electrolyte layer formed between the positive electrode layer and the negative electrode layer, and the positive electrode active material includes a lithium-boric acid compound in an amorphous state, which contains Li, B, any element M1 selected from Cu, Ni, Co, Mn, Au, Ag, and Pd, and O.
摘要:
An optical recording medium is an optical recording medium having an inorganic recording film and has a transparent conductive film on the inorganic recording film. The inorganic recording film has a first recording film containing titanium (Ti) and a second recording film containing an oxide of germanium (Ge). The transparent conductive film is provided on the side of the second recording film. The transparent conductive film contains an oxide of tin (Sn).
摘要:
A disk type optical recording medium that can limit the reproduction by a disk drive connected to a computer without drastically changing the specifications of recorded information on the medium conventionally processed by a dedicated player, thereby preventing illegal copying or the like. The disk type optical recording medium has information tracks formed by a pit train, and the information tracks have a read limiting region formed by a modified pit train including a special wobble or lateral displacement as modified from the pit train. In this read limiting region, the modified pit train can be followed by the tracking control of an optical pickup during low-speed rotation of the medium, thereby allowing proper reproduction. However, the modified pit train cannot be followed by the tracking control of the optical pickup during high-speed rotation of the medium, thereby disallowing the reproduction.
摘要:
A solid electrolyte cell includes: a positive electrode side layer; a negative electrode side layer; and a solid electrolyte layer disposed between the positive electrode side layer and the negative electrode side layer, wherein the negative electrode side layer includes a negative electrode side current collector layer; the negative electrode side current collector layer includes a first negative electrode side current collector layer disposed on a side close to the solid electrolyte layer, and a second negative electrode side current collector layer disposed on a side remote from the solid electrolyte layer; the first negative electrode side current collector layer includes copper, nickel, or an alloy containing any of copper and nickel, or stainless steel; and the second negative electrode side current collector layer includes aluminum, silver, or an alloy containing any of aluminum and silver.
摘要:
In one embodiment, a thin film solid state lithium ion secondary battery is able to be charged and discharged in the air and manufactured stably at a favorable yield. The thin film solid state lithium ion secondary battery has an electric insulating substrate formed from an organic resin, an inorganic insulating film provided on the substrate face, a cathode-side current collector film, a cathode active material film, a solid electrolyte film, an anode potential formation layer, and an anode-side current collector film. The cathode-side current collector film and/or the anode-side current collector film is formed on the inorganic insulating film face. The anode potential formation layer is a layer formed from the same material as that of the cathode active material film or a material different from that of the cathode active material film and is a layer provided for forming anode potential at the time of discharge.
摘要:
To accomplish write-once type optical recording mediums that have excellent recording and reproducing characteristics and producibility and that are capable of being fabricated at low cost. A write-once type optical recording medium 10 has the structure of which an inorganic recording film 6, a dielectric film 4, and a light transmission layer 5 have been successively formed on a substrate 1. The inorganic recording film 6 is composed of a metal film 2 and an oxide film 3 successively formed on the substrate 1. When light is radiated to the inorganic recording film 6, oxygen is separated from the oxide film 3 due to the light catalyst effect, resulting in increasing the oxygen concentration on the metal film 2 side and largely varying the optical constant.
摘要:
A phase modulation type optical recording medium has at least one layer of recording film 4 and at least one layer of metal film 3 on a substrate 1 having recessed portions formed therein, wherein one or more layers constituting the recording film include organic material that decomposes upon absorption of laser light to change its refractive index, and width of the recessed portions 2 is set to 0.10 μm˜0.21 μm, thereby providing an optical recording medium of write once type with high recording density capable of high reproduction output.