Sony Corporation

Sony Group Corporation

Sony Semiconductor Solutions Corporation

Eiji Nakashio

Takanobu Iwama

Kazuo Anno

Shinya Tochikubo

Junichi Sugawara

Minoru Yamaga

Naohiro Adachi

Seiji Onoe

Masayoshi Abe

Teruo Inaguma

Koji Suzuki

Kazuo Takahashi

Masaru Terakawa

Yoichi Kanemaki

Manabu Aizawa

Junichi Honda

Katsunori Maeshima

Shin Sasaki

Toru Katakura

Kazuya Hashimoto

Tomoe Sato

Yoshito Ikeda

Seiji Kumagai

Shigeto Watanabe

Jun Hashimoto

Hiroyuki Kobayashi

Hiroaki Nakano

Takashi Tamura

Hiroshi Morita

Jun Sasaki

Hiroaki Fujita

Nobuyuki Sasaki

Munetake Ebihara

Uichiro Omae

Jun Takahashi

Kiyoyuki Miyata

Futoshi Sasaki

Kazunori Onuma

Hitoshi Kubota

Tetsuo Samoto

Hikaru Terui

Yuta Akimoto

Takuji Matsuo

Hidetoshi Nishiyama

Tadashi Sakurai

Yuuichi Masuzawa

Hidetoshi Sakuma

Shuhei Matsuya

Provided is a magnetic recording medium including: a support body; a base layer containing carbon particle powder and metal-containing particle powder; and a recording layer. In a recording surface, a maximum indentation depth h is 85≤h≤140, and a ratio d of a permanent strain to an elastic recovery (permanent strain/elastic recovery) is 0.95≤d≤1.25.

Magnetic recording medium

A cartridge is provided and includes tape-shaped magnetic recording medium; and cartridge memory; wherein cartridge memory includes communication unit that communicates with recording/reproducing device in state where cartridge is loaded on recording/reproducing device; storage unit; and control unit that stores, reads, and transmits information, wherein information includes manufacturing information of cartridge and adjustment information for adjusting a tension applied to the tape-shaped magnetic recording medium in a longitudinal direction of tape-shaped magnetic recording medium thereof, tape-shaped magnetic recording medium has a plurality of servo bands, and wherein a temperature expansion coefficient α of the tape-shaped magnetic recording medium satisfies 6 ppm/° C.≤α≤8 ppm/° C.

Cartridge including tape-shaped magnetic recording medium

A cartridge includes a tape-shaped nonwoven fabric, a reel on which the tape-shaped nonwoven fabric is wound, and a case that accommodates the reel. A basis weight of the tape-shaped nonwoven fabric is equal to or less than 25 c/mand an average fiber diameter of the tape-shaped nonwoven fabric is equal to or less than 11 μm.

Cleaning tape and cartridge

A cartridge according to the present technology includes: a cartridge case; and a memory. The cartridge case houses a magnetic tape. The memory is provided in the cartridge case, the memory storing information before data recording by the magnetic tape, the information being for adjusting, during data recording or during data reproduction by the magnetic tape, a width of the magnetic tape.

Cartridge, memory, data recording apparatus, and data reproduction apparatus including information for adjusting magnetic tape width

A cartridge according to the present technology includes: a cartridge case; and a memory. The cartridge case houses a magnetic tape. The memory is provided in the cartridge case, the memory storing information during data recording by the magnetic tape, the information being for adjusting a width of the magnetic tape during data reproduction by the magnetic tape.

Cartridge including cartridge case housing magnetic tape and memory storing information for adjusting tape width, data recording apparatus, and data reproduction apparatus

A cartridge is provided and includes tape-shaped magnetic recording medium; and cartridge memory; wherein cartridge memory includes communication unit that communicates with recording/reproducing device in state where cartridge is loaded on recording/reproducing device; storage unit; and control unit that stores, reads, and transmits information, wherein information includes manufacturing information of cartridge and adjustment information for adjusting a tension applied to the tape-shaped magnetic recording medium in a longitudinal direction of tape-shaped magnetic recording medium thereof, tape-shaped magnetic recording medium has a plurality of servo bands, and wherein a temperature expansion coefficient &#x3b1; of the tape-shaped magnetic recording medium satisfies 6 ppm/&#xb0; C.&#x2264;&#x3b1;&#x2264;8 ppm/&#xb0; C.

A non-contact communication medium according to an embodiment of the present technology is a non-contact communication medium for a recording medium cartridge, including: a circuit component; a support substrate; and an antenna coil. The circuit component has a memory unit capable of storing management information relating to the recording medium cartridge therein. The support substrate supports the circuit component. The antenna coil includes a coil unit that is electrically connected to the circuit component and formed on the support substrate, an inductance value of the coil unit being 0.3 &#x3bc;H or more and 2.0 &#x3bc;H or less.

Non-contact communication medium and recording medium cartridge

A cartridge memory is a cartridge memory used in a recording medium cartridge and includes an antenna section that induces an induced voltage by means of electromagnetic induction, a load modulation section including a load whose magnitude is variable, and a control section that measures the induced voltage and controls the load modulation section on the basis of the measured induced voltage.

Cartridge memory and control method for the same, cartridge, and recording and reproducing system

[Object] A cartridge memory according to an embodiment of the present technology is a cartridge memory for a recording medium cartridge, including: a memory unit; and a capacity setting unit. The memory unit has a memory capacity capable of storing management information relating to a second information recording medium configured to be capable of recording information with a second data track number larger than a first data track number. The capacity setting unit is configured to be capable of setting a data storage area limited to a first capacity capable of storing management information relating to a first information recording medium configured to be capable of recording information with the first data track number.

Cartridge memory

A cartridge memory used for a tape cartridge, the cartridge memory including a communication unit that performs wireless communication, a control unit that transmits data to a recording/reproduction device according to a first communication standard via the communication unit, receives data from the recording/reproduction device according to the first communication standard via the communication unit, and transmits data to an information terminal according to a second communication standard via the communication unit, and a storage unit that stores data related to the tape cartridge.

Cartridge memory used for tape cartridge, tape cartridge, data management system, and cartridge memory used for recording medium cartridge

The magnetic recording medium includes a long substrate body, and a magnetic layer including a powder of cubic crystal ferrite magnetic particles. The sum of a squareness ratio in the longitudinal direction and a squareness ratio in the vertical direction is 1.2 or more, and the difference of the squareness ratio in the longitudinal direction and the squareness ratio in the vertical direction is 0.15 or more.

A cartridge memory is a cartridge memory used in a magnetic tape cartridge, including: an antenna unit; a storage unit that stores data; and a control unit that reads the data from the storage unit in response to a request from a recording/reproduction apparatus, adds an error correction code to the data, and transmits the obtained data via the antenna unit.

Cartridge memory for magnetic tape cartridge, control method therefor, cartridge, and recording/reproduction system

A cartridge memory used for a tape cartridge includes: a communication unit that communicates with a recording and reproducing device using a wireless communication method defined by an ISO 14443-2 standard which is a wireless communication standard; a non-volatile memory with a storage capacity exceeding 16 KB; and a control unit that writes or reads data to or from the non-volatile memory on a word-by-word basis (2 bytes at a time) or on a block-by-block basis (32 bytes at a time). The non-volatile memory includes a plurality of memory banks each having a storage capacity of 128 KB or less. The control unit writes or reads data defined by a magnetic tape standard to or from one or two or more first memory banks among the plurality of the memory banks, and writes or reads additional data to or from one or two or more second memory banks other than the first memory bank.

Cartridge memory having a plurality of memory banks , tape cartridge, and recording and reproducing system

[Object] To provide technologies such as an orientation device capable of increasing strength of a magnetic field in a transport path. [Solving Means] An orientation device according to the present technology includes a transport path, a permanent magnet portion, and a yoke portion. The transport path allows a base on which a magnetic coating film containing magnetic powder has been formed to pass through the transport path along a transport direction. The permanent magnet portion includes a plurality of first permanent magnets, and a plurality of second permanent magnets that is opposed to the plurality of first permanent magnets across the transport path in a vertical direction that is vertical to the transport direction in a manner that opposite poles face each other, the permanent magnet portion vertically orienting particles of the magnetic powder by applying a magnetic field to the magnetic coating film on the base that passes through the transport path. The yoke portion is made of a soft magnetic material, and connects to poles on a side opposite to the transport path side of the plurality of first permanent magnets, and to poles on a side opposite to the transport path side of the plurality of second permanent magnets.

Orientation device, production method for magnetic recording medium, and magnetic recording medium

Growing community of inventors

Miyagi, Japan

Eiji Nakashio