Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Hakaru Kyuragi"'
Autor:
Namiko Ikeda, Katsuyuki Machida, Takahiro Hatano, Koji Fujii, Yukio Okazaki, Toshishige Shimamura, Hiroki Morimura, Satoshi Shigematsu, Mamoru Nakanishi, Hakaru Kyuragi
Publikováno v:
IEICE Transactions on Electronics. :540-550
This paper presents fingerprint image enhancement and rotation schemes that improve the identification accuracy with the pixel-parallel processing of pixels. In the schemes, the range of the fingerprint sensor is adjusted to the finger state, the cap
Publikováno v:
IEICE Transactions on Electronics. :1070-1078
This paper describes pixel-parallel image-matching circuit schemes that provide the optimal binarization, the high-speed low-power comparison, and the accurate matching of fingerprint images needed for fingerprint verification. Image binarizing is ad
Autor:
Tadashi Minotani, Masaki Yano, Shouji Yagi, Hiromu Ishii, Katsuyuki Machida, Hakaru Kyuragi, Kazuhisa Kudou, Tadao Nagatsuma, Yakov Royter
Publikováno v:
IEEJ Transactions on Sensors and Micromachines. 124:136-142
Autor:
Toshikazu Kamei, Katsuyuki Machida, Kazuhisa Kudou, Hiroki Morimura, Norio Sato, Satoshi Shigematsu, Hakaru Kyuragi, Hiromu Ishii, Masaki Yano
Publikováno v:
Japanese Journal of Applied Physics. 42:2462-2467
This paper describes a novel sealing technique that uses spin-coating film transfer and hot pressing (STP). STP is a key technique in integrating microelectromechanical systems (MEMS) on large-scale integrated circuits (LSIs). It enables us to form a
Autor:
Masaki Yano, Norio Sato, Hakaru Kyuragi, Hiroki Morimura, K. Kudou, Katsuyuki Machida, Satoshi Shigematsu
Publikováno v:
IEEE Transactions on Electron Devices. 50:1109-1116
This paper describes a new fingerprint sensor that detects the topography of finger ridges and valleys. We propose a microelectromechanical systems (MEMS) cavity structure for the pixels arrayed on the sensor surface and a fabrication process that st
Autor:
Norio Sato, Yukio Okazaki, Hiroki Morimura, Hakaru Kyuragi, Satoshi Shigematsu, Toshishige Shimamura, Katsuyuki Machida
Publikováno v:
Japanese Journal of Applied Physics. 41:5951-5956
This paper describes the dependence of fingerprint-sensing characteristics on sensed and parasitic capacitances. The sensed capacitance is formed between the sensor plate covered with a sensing insulator and the finger surface, which contacts the fin
Publikováno v:
Japanese Journal of Applied Physics. 41:2367-2373
A novel method of controlling the viscosity of dielectric material was developed for global planarization by the spin coating film transfer and hot-pressing (STP) technique. In the STP technique, a base film is spin-coated with a dielectric, the diel
Autor:
Masaki Yano, Yasuyuki Tanabe, Hakaru Kyuragi, Katsuyuki Machida, K. Kudou, T. Kumazaki, N. Shimoyama, Hiroki Morimura, Satoshi Shigematsu, Norio Sato
Publikováno v:
IEEE Transactions on Electron Devices. 48:2273-2278
We describe a new semiconductor capacitive sensor structure and the fabrication process for a single-chip fingerprint sensor/identifier LSI in which the sensor is stacked on a 0.5-/spl mu/m CMOS LSI. To ascertain the influence of the fabrication proc
Publikováno v:
Sensors and Actuators A: Physical. 80:119-125
An electrostatic micromechanical switch that can conduct a logic operation with only one switch is proposed. This switch can perform an ''AND'' or an ''OR'' logic operation because it has two pairs of drive electrodes and its switching is controlled
INNOVATIVE INTEGRATION BASED ON SILICON-CORE TECHNOLOGIES FOR SENSOR AND COMMUNICATIONS APPLICATIONS
Autor:
TADAO NAGATSUMA, KATSUYUKI MACHIDA, HIROMU ISHII, NABIL SAHRI, MITSURU SHINAGAWA, HAKARU KYURAGI, JUNZO YAMADA
Publikováno v:
International Journal of High Speed Electronics and Systems. 10:205-215
This paper describes an innovative system integration scheme wherein heterogeneous materials and devices, including photonic devices as well as electronics, are organically integrated on silicon-core circuitry to achieve better performance, higher fu