Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Akira Ajisawa"'
Autor:
Naoki Oda, Akira Ajisawa
Publikováno v:
Journal of Electronic Materials. 24:1105-1111
Hg1−xCdxTe diodes (x∼0.22) with different carrier concentrations in p type materials have been fabricated by employing an ion-implantation technique. The performances of the diodes, prior to and after low temperature postimplantation annealing, h
Autor:
Seiji Kurashina, Akira Ajisawa, Shigeru Tohyama, Tokuhito Sasaki, Nobukazu Ito, Masaru Miyoshi, Naoki Oda
Publikováno v:
SPIE Proceedings.
This paper proposes a new thermally isolated pixel structure, having a twice-bent beam structure and eaves structure, suitable for high-resolution uncooled infrared (IR) focal-plane arrays (FPAs). It also describes the properties of test devices, fab
Autor:
Naoki Oda, Yutaka Tanaka, Kiyoshi Iida, Akihiro Kawahara, Hideo Aoki, Kuniyuki Okuyama, Akira Ajisawa, Katsuya Kawano, Kazuyuki Egashira, Seiji Kurashina, Shigeru Tohyama, Tsutomu Endoh, Tokuhiro Sasaki, Akio Tanaka
Publikováno v:
SPIE Proceedings.
The performance of a 320 x 240 bolometer-type uncooled infrared (IR) Focal Plane Array (FPA) is described. Vanadium oxide thin film is adopted for the bolometer material, having a sheet resistance of approximately 10 kohms/square. It is patterned suc
Publikováno v:
SPIE Proceedings.
The relationships between the figure of merit R0A representing the junction property and deep levels representing electric properties of semiconductors have been investigated. R0A can be estimated by current-voltage (I- V) measurements. Deep levels c
Autor:
Shigeru Tohyama, Masaru Miyoshi, Seiji Kurashina, Nobukazu Ito, Tokuhito Sasaki, Akira Ajisawa, Yutaka Tanaka, Akihiro Kawahara, Kiyoshi Iida, Naoki Oda
Publikováno v:
Optical Engineering; Jan2006, Vol. 45 Issue 1, p14001-14010, 10p
Publikováno v:
SPIE Proceedings.
We have developed hybrid 256 by 256 focal plane arrays (FPAs) using MBE grown HgCdTe(MCT) layers on Si substrates for 10 micrometer-wavelength band detection and successfully demonstrated infrared images for the first time. The characteristics of MCT
Autor:
Akira Ajisawa, Yasunobu Sekihara, Tokuhito Sasaki, Masayuki Kanzaki, Takeshi Shima, Akihiro Kawahara, Mitsuko Tomono, Naoki Oda, Keiji Miyamoto
Publikováno v:
SPIE Proceedings.
A hybrid HgCdTe 256 by 256 FPA for LWIR detection was fabricated and an infrared image was demonstrated. MCT epilayers were grown on GaAs substrates by MBE and annealed to p- type. The n+ on p photodiodes were formed by boron ion implantation. The me
Autor:
Susumu Murashima, Minoru Saga, Ryuichi Oikawa, Noboru Yasuda, Toshio Kanno, Akira Ajisawa, Yoshitada Tomioka, Toshio Yamagata, Tsuyosi Shima, Naoki Oda, Akihiro Kawahara
Publikováno v:
SPIE Proceedings.
The HgCdTe (MCT) 64 X 64 focal plane array (FPA) for long wavelength infrared (LWIR) detection was developed, using MCT epilayers grown by molecular beam epitaxy (MBE). The n-on-p photodiode array has a cutoff wavelength of 10.7 micrometers . The rea
Autor:
Yutaka Tanaka, Naoki Oda, Tokuhito Sasaki, Nobukazu Ito, Kiyoshi Iida, Shigeru Tohyama, Masaru Miyoshi, Akira Ajisawa, Akihiro Kawahara, Seiji Kurashina
Publikováno v:
Optical Engineering. 45:014001
A new pixel structure with twice-bent beams and eaves structure, suitable for high-resolution uncooled infrared (IR) focal plane arrays (FPAs), is proposed. In comparison with previous results (FPA of 37-µm pixel pitch), the thermal conductance of t
Conference
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.