Sony Corporation

Matsushita Electric Industrial Co., Ltd.

Koninklijke Philips Corporation N.v.

Sony Disc & Digital Solutions Inc.

Shin Masuhara

Jun Nakano

Masanobu Yamamoto

Isao Ichimura

Masayoshi Kanno

Toshiyuki Kashiwagi

Kiyoshi Osato

Katsuhisa Aratani

Atsushi Fukumoto

Akitoshi Suzuki

Hisayuki Yamatsu

Shingo Imanishi

Yuji Akiyama

Yuichi Aki

Shigeru Furumiya

Yoshiaki Kato

Hiromichi Ishibashi

Kenji Yamamoto

Tatsuya Narahara

Junichi Minamino

Toshio Watanabe

Masato Hattori

Hiroshi Ogawa

Aalbert Stek

Masataka Shinoda

Minoru Takeda

Cornelis Marinus Schep

Takao Kondo

Isamu Nakao

Masahiko Kaneko

Tatsushi Sano

Jacobus Petrus Josephus Heemskerk

Tasuku Yotoriyama

Shinsuke Kishi

Kensuke Kojima

Hiroyuki Hosokawa

Ryousuke Minami

To provide a technology for confirming that a desired particle is recovered in single cell analysis. The present technology provides a particle confirming method including a correlating step of correlating ID information possessed by a particle trapped in a well in a particle trapping region with position information of the well, a discharging step of discharging the particle from the well, an ID information acquiring step of acquiring ID information of the particle after the discharging step, and a confirming step of confirming the position of the well in which the particle has been trapped, on the basis of the acquired ID information. In addition, the present technology also provides a particle trapping chip and a particle analyzing system to be used for carrying out the method.

Particle confirming method, particle trapping chip, and particle analyzing system

There is provided a particle supplementing chip provided with a structure for trapping a particle, and for preventing the trapped particle from being greatly deformed by a suction force. With respect to this point, the present technology provides a particle trapping chip including a first channel, a second channel, a first recess that is open on the first channel side, a second recess that is provided side by side with the first recess, a connecting portion connecting the first recess and the second recess, and a communicating portion allowing the second recess and the second channel to communicate with each other.

Particle trapping chip, particle trapping device, and particle trapping method

According to some aspects, a microfluidic device is provided, comprising a sample holding chamber; and at least one flow path connected to the sample holding chamber configured to supply liquid into the sample holding chamber, wherein the sample holding chamber includes a first inner surface; and a light irradiation region intersecting the first inner surface and configured to receive light from outside of the sample holding chamber to irradiate liquid inside the sample holding chamber, wherein the first inner surface includes at least one recess shaped so as to contain gas bubbles present within the liquid, and wherein the at least one recess is located outside of the light irradiation region.

Microchip, analysis apparatus, and analysis method

A method for manufacturing a disc includes the steps of performing laser exposure of an inorganic resist master on which a photosensitive layer is formed using an inorganic material, which protrudes in an exposed region, and a surface coat layer is formed on the surface of the photosensitive layer in order to control the shape of protrusion, transferring the shape of protrusion formed by the laser exposure on the inorganic resist master to produce a stamper on which a portion corresponding to the shape of protrusion is a depression, forming a resin substrate using the stamper so that a portion corresponding to the shape of protrusion is a protrusion, and forming a predetermined layer structure on the resin substrate to produce an optical disc.

Method for manufacturing disc and method for manufacturing stamper

This invention relates to a stamper for optical disc and a method for manufacturing an optical disc by using this stamper. A photoresist is applied to a substrate () and this photoresist is exposed, developed and then transferred to form a disc master which has a recess/protrusion pattern formed on its one side. The one side of the disc master () is etched to narrow the width of a protruding part constituting the recess/protrusion pattern, and the recess/protrusion pattern of the disc master () with the reduced width of the protruding part is transferred to form a stamper (). The recess/protrusion pattern provided on the stamper () is transferred to form a predetermined pattern on a substrate of an optical disc.

Stamper for optical disc, method for manufacturing optical disc, and optical disc

An optical recording medium wherein characters can be easily recognized on an optical disk irradiated with a light through a light transmitting layer and a method of producing the same are provided. In an optical disk of a type that an optical recording layer is irradiated with a light through a light transmitting protective layer, dealing with a larger capacity, wherein one main surface of a medium substrateis divided to a signal portion SG and a character portion CA, a signal portion uneven shape () is formed on the signal portion SG and a character portion uneven shape () is formed on the character portion CA, and depths of the signal portion uneven shape and the character portion uneven shape are 25 nm or less. Here, it is configured that characters are recorded to be able to be read as normal characters when looking from the medium substrateside (Y-direction) by outlines of a region formed with the character portion uneven shape on the character portion CA.

Optical recording medium and method of producing the same

High density optical disc having recorded characters visibly readable from a substrate side

A large capacity recording medium is formed by bonding at least two disc-shaped recording plates to provide a structure adapted to absorb any manufacturing errors in the direction of the height of the recording medium.

Optical disc and disc cartridge containing the same

The S/N ratio is improved for recording data to grooves (--) of an optical disc so that as much information as possible can be recorded at the lowest possible frequency band. An optical disc using wobble patterns to record different information has a first groove (-) having a first wobble pattern () in which one wobble period has a sharp rising edge and a gradual falling edge; and a second groove (-) having a second wobble pattern () in which one wobble period has a gradual rising edge and a sharp falling edge. Each of the first and the second wobble pattern is represented by a first fundamental and a second harmonic of a Fourier series. The polarity of the second harmonic, which is an even harmonic, of the second wobble pattern is opposite that of the first wobble pattern. A method for manufacturing this optical disc is also provided.

Optical disc with different wobble patterns in different grooves

A stamper and optical disk. A photoresist is applied to a substrate and this photoresist is exposed, developed and then transferred to form a disk master which has a recess/protrusion pattern formed on its one side. The one side of the disk master is etched to narrow the width of a protruding part constituting the recess/protrusion pattern, and the recess/protrusion pattern of the disk master with the reduced width of the protruding part is transferred to form a stamper. The recess/protrusion pattern provided on the stamper is transferred to form a predetermined pattern on a substrate of an optical disk.

Stamper and optical disk with specific dimensions, surface roughness, and a land and a groove provided in a non-signal recording area

An electron beam irradiation apparatus, includes a support section for supporting an electron beam irradiation subject to be irradiated with an electron beam, and an electron beam irradiation head opposed to the electron beam irradiation subject via a minute space, the electron beam irradiation head having an electron beam emission hole for irradiating the electron beam irradiation subject with the electron beam. In the electron beam irradiation head, an electron beam path communicating with the electron beam emission hole is provided, and in addition one or more ring shaped gas suction grooves opened from a surface of the electron beam irradiation head facing the electron beam irradiation subject is formed around the electron beam emission hole. Vacuum pumps are coupled to the electron beam path and the ring shaped gas suction grooves, and the electron beam path is held in a high vacuum state.

Electron beam irradiation apparatus, electron beam irradiation method, original disk, stamper, and recording medium

The present invention provides an optical recording medium and an optical disk device realizing prevention of crosswrite and uniformity of playback signals and capable of easily securing compatibility with a read only disk. It provides an optical recording medium on which light LB condensed by a lens () having a numerical aperture of 0.85&#xb1;0.1 and a wavelength of 405&#xb1;5 nm is focused for recording or playback, having a substrateformed with a groovein its surface, an optical recording layerformed on the substrate and having topography corresponding to the groove, and a light transmission type protection layerformed on the optical recording layer; used when light for recording or playback is focused from the protection layer side to the optical recording layer; using as a recording area only the optical recording layer of one of a side far from the emitting side of the light for recording or playback, that is, a portion corresponding to a recessed portion of the topography, and a side close to it, that is, a portion corresponding to a projecting portion; having a track pitch of 0.32&#xb1;0.01 &#x3bc;m; and having a depth Dof a recessed portion with respect to a projecting portion in the range of 19 to 24 nm.

Optical recording medium with high density track pitch and optical disk drive for recording and playback of the same

Optical recording medium with high density track pitch and optical disk device for recording and playback of the same

This invention relates to a manufacturing method for an optical information recording medium and a manufacturing device for an optical information recording medium, and is applicable for instance to devices for optical disks, capable of focusing a laser beam from an exposure semiconductor laser at high density onto a base disk. This invention compensates the chromatic aberrations of the objective lens with a chromatic aberration optical system or compensates for fluctuations in the wavelength by regulating the temperature of the semiconductor laser.

Manufacturing method for optical recording medium and manufacturing device thereof

Growing community of inventors

Tokyo, Japan

Shin Masuhara