Sony Corporation

Sony Group Corporation

Shinichi Kai

Atsushi Fukumoto

Isao Ichimura

Yuji Segawa

Shunji Yoshimura

Tasuku Yotoriyama

Toshiyuki Nakagawa

Katsuhisa Aratani

Toshio Watanabe

Akira Kouchiyama

Hiroyuki Ino

Kenzo Nakagawa

Yoshihiro Takemoto

Hideo Sato

Masahiro Matsumoto

Kenji Yamamoto

Takashi Nakao

Masanobu Yamamoto

Kengo Hayasaka

Naoki Morimoto

Tetsuji Kawashima

Michihiko Iida

Yoshihide Shimpuku

Kazuya Takahashi

Junji Kajihara

Shoji Sato

Yasuyuki Takeshita

Shinji Tashiro

Naohisa Sakamoto

Yoshifumi Machida

To provide a method of efficiently performing priming on a microparticle sorting microchip. The present technology provides a priming method of a microparticle sorting microchip provided with a sample liquid flow path, a sheath liquid flow path that joins the sample liquid flow path at a junction, a joined flow path including the junction at one end, a microparticle recovery flow path connected to the joined flow path via a connection flow path at the other end of the joined flow path, a branching flow path connected to the joined flow path at the other end of the joined flow path, and an introduction flow path configured to introduce a liquid into the connection flow path, the method provided with a first priming step of supplying a first liquid from the introduction flow path to the connection flow path, and performing priming on the microparticle recovery flow path by the first liquid, and a second priming step of allowing a second liquid to flow from the sheath liquid flow path to the joined flow path, and performing priming on the branching flow path by the second liquid.

Priming method of microparticle sorting microchip, microparticle sorting method, microparticle sorting device, and program

A biometrics authentication system having a small and simple configuration and being capable of implementing both of biometrics authentication and position detection is provided. A biometrics authentication system includes a light source emitting light to an object, a microlens array section condensing light from the object, a light-sensing device obtaining light detection data of the object on the basis of the light condensed by the microlens array section, a position detection section detecting the position of the object on the basis of the light detection data obtained in the light-sensing device, and an authentication section, in the case where the object is a living body, performing authentication of the living body on the basis of the light detection data obtained in the light-sensing device.

Biometrics authentication system

There is provided a data processing apparatus including: a data determination portion that specifies, in each of first and second light intensity distribution data, an analysis range corresponding to a storage area for storing a detection target, the first and second light intensity distribution data being acquired on the basis of light emitted from first and light sources to a detection area; and a mode selection portion that selects an operation mode of the data determination portion. The mode selection portion selects one of a first mode in which the data determination portion specifies the analysis range in each of the first light intensity distribution data and the second light intensity distribution data, and a second mode in which the data determination portion specifies the analysis range in the second light intensity distribution data on the basis of information on the analysis range of the first light intensity distribution data.

Data processing apparatus, optical detection system, data processing method, and data processing program

Disclosed herein is an optical detector at least including: a first substrate in which a plurality of wells are formed; a second substrate in which a heating section is provided to heat the wells; a third substrate in which a plurality of photoirradiation sections are provided in alignment with the wells; and a fourth substrate in which a plurality of photodetection sections are provided in alignment with the wells.

Optical detector

An image sensor includes an effective pixel region formed of a pixel group which is irradiated with light, and an optical black region formed of a pixel group which is shielded from light. In the image sensor, when the image sensor is used for a light quantity measurement, the effective pixel region is sectioned into a measurement region used for the light quantity measurement and a light shielding region which is used for a calculation of a value of one of an offset component and a noise component and is shielded from light.

Image sensor, light quantity measurement method, and microscope system

A light detecting chip includes at least one detection region configured to accommodate a sample that is capable of emitting fluorescent light, and a light reflecting section configured to reflect at least a portion of the fluorescent light emitted from the sample in a direction toward a light detector.

Light detecting chip and light detecting device provided with light detecting chip

Disclosed herein is a light detection device including, at least, a substrate provided with a plurality of detection regions where to perform detection of fluorescent light emitted from the inside of a sample upon irradiation of the sample with light, a light irradiation section operable to perform the irradiation with light, an optical control section configured to irradiate the detection regions with the light radiated from the light irradiation section, and a light detection section operable to detect the fluorescent light.

Light detection device

The method of the present invention includes: an exposing process in which an inorganic resist layerformed on a substrateis irradiated with recording laser light modulated by an information signal corresponding to an information signal of an information concave and convex pattern formed on an optical disc to form an exposed pattern corresponding to the information concave and convex pattern on the optical disc, and after the above process a development process in which development processing is performed on the inorganic resist layer to form a concave and convex pattern corresponding to the information concave and convex pattern of the inorganic resist layer; in the above exposing process, after a trial exposure is performed on a non-recording area of the above resist layer, the exposed portion is irradiated with evaluation laser light and a recording signal characteristic of the above resist layer is evaluated from the reflected light to determine based on the evaluation result an optimum focus position of recording laser light which is later performed; and accordingly the recording signal characteristic (jitter value) of the optical disc is predicted and evaluated in the exposing process from the recording characteristic of the exposed portion on the resist to appropriately adjust an exposure focusing position based on the evaluation result and thus, a master having an appropriate concave and convex pattern and consequently an optical disc having an excellent characteristic can be manufactured.

Method of making master for manufacturing optical disc and method of manufacturing optical disc

The method of the present invention includes an exposing step in which a laser beam for recording modulated by an information signal corresponding to an information signal of an information concave and convex pattern formed on the optical disc is applied to an inorganic resist layerformed on a substrateto form an exposed pattern corresponding to the information concave and convex pattern on the optical disc, and a development step in which a concave and convex pattern corresponding to the information concave and convex pattern by the inorganic resist layer is formed. By applying a laser beam for estimation to a predetermined area on the inorganic resist layer in the exposing step to estimate recorded signal characteristics of the exposed pattern by the inorganic resist layer using reflected light of the laser beam for estimation, and controlling power of the laser beam for recording based on the estimated result, the aimed information recording on the optical disc can reliably be obtained.

An optical disk apparatus includes a light emitting unit, a light detecting unit, a tracking error signal generating unit, and a tracking control unit. The light emitting unit emits a single light beam onto an optical disk. The light detecting unit includes at least three light detecting portions, each being configured to receive light reflected off the optical disk and produce corresponding output. The at least three light detecting portions are arranged in a track direction of the optical disk. The tracking error signal generating unit generates at least two types of the tracking error signal using the outputs from the at least three light detecting portions. The tracking control unit performs tracking control on the optical disk on the basis of the tracking error signal.

Optical disk apparatus and pickup unit

A liquid crystal device, and a method and an apparatus for driving the same in which the refractive index of the liquid crystal device is adjusted using a simple driving method and apparatus, which is advantageous in that the cost is reduced, are provided. A liquid crystal device () includes a first transparent substrate () and a second transparent substrate () that face each other, a liquid crystal () filled between the first and second transparent substrates (), a first transparent electrode () formed on a surface of the first transparent substrate () that faces the second transparent substrate (), and a second transparent electrode () formed on a surface of the second transparent substrate () that faces the first transparent substrate (). First and second driving signals (S, S) of square waves are applied to the first and second transparent electrodes () with a time interval t (sec) therebetween. Thus, the potential difference between the first and second driving signals (S, S) is applied to the liquid crystal ().

Liquid crystal device, its driving method, and driving apparatus

An optical disc inclination detecting method for detecting an inclination angle of an optical disc with respect to a light spot, for recording information or reproducing information by irradiating the light spot on the optical disc by an optical pickup. The method includes dividing the light spot into a main spot and both side spots in a specified track and track crossing directions before and after the specified track, detecting signals corresponding to a reflected light from the optical disc by photo detectors corresponding to the main spot and both side spots, and generating a DPP (differential push-pull) signal from signals corresponding to the main spot and both side spots. The method also generates a DPD (differential phase direction) signal by comparing phases from the signals corresponding to the main spot, determining a differential operation value of the DPP and DPD signals, and detecting the inclination angle of the optical disc based on the differential operation value.

Optical disc inclination detecting method, optical pickup device, and optical disc device

A magneto-optical reproducing apparatus for reproducing from a magnetic film medium having at least a displacement layer, a switching layer, and a memory layer. A magnetic wall displacement is generated in the displacement layer in any region where the temperature exceeds the Curie temperature of the switching layer to effectively enlarge any recorded magnetic domain. The reproduced signal from the magnetic film medium is equalized with regard to waveform in an equalizer circuit and then fed to a magnetic wall displacement detection circuit that produces a magnetic wall displacement signal by using a differential signal or a secondary differential signal of the reproduced signal so as to provide a low bit error rate despite any sudden DC level variation in the reproduced signal.

Growing community of inventors

Tokyo, Japan

Shinichi Kai