Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Koichi Kikkawa"'
Autor:
Hidemasa Takahashi, Yuji Ando, Yoichi Tsuchiya, Akio Wakejima, Hiroaki Hayashi, Eiji Yagyu, Koichi Kikkawa, Naoki Sakai, Kenji Itoh, Jun Suda
Publikováno v:
Electronics Letters, Vol 57, Iss 21, Pp 810-812 (2021)
Abstract Here, a gated‐anode diode (GAD) is proposed where an anode electrode is formed by connecting a gate electrode and an ohmic electrode of a normally‐off GaN HEMT for a 5.8 GHz rectenna. A wide recessed gate GaN GADs were prepared and the r
Externí odkaz:
https://doaj.org/article/aaa4131eb892405598db2ff407ab0a62
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 856, Pp 17-00265-17-00265 (2017)
The ball end mill is used as a tool for cutting the metal mold and some complicated shape lake a screw. The demand for the precise machining of the ball end milling is increasing. The ball end milling has the unavoidable problem of machining error by
Externí odkaz:
https://doaj.org/article/0b578b16574844d09c8b8617ee4c0a12
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 70:1994-2001
Autor:
Naoki Sakai, Hiroaki Hayashi, Hidemasa Takahashi, Jun Suda, Koichi Kikkawa, Yoichi Tsuchiya, Yuji Ando, Eiji Yagyu, Akio Wakejima, Kenji Itoh
Publikováno v:
Electronics Letters, Vol 57, Iss 21, Pp 810-812 (2021)
Here, a gated‐anode diode (GAD) is proposed where an anode electrode is formed by connecting a gate electrode and an ohmic electrode of a normally‐off GaN HEMT for a 5.8 GHz rectenna. A wide recessed gate GaN GADs were prepared and the recess len
Publikováno v:
JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing.
In this paper, ‘position and orientation errors of linear and rotary axis average lines’ is newly named ‘geometrical mechanism deviations.’ This paper presents suggestive simulation results of tool motion error caused by geometrical mechanism
Publikováno v:
The Proceedings of The Manufacturing & Machine Tool Conference. :C01
Publikováno v:
Key Engineering Materials. :64-69
This paper presents the experimental results of cutting performance and tool wear of a milling cutter in dry side milling of aluminum alloy A2017. The milling cutter consists of Co-bonded High-Speed-Steel matrix with Diamond-Like-Carbon coating (abbr
Publikováno v:
Key Engineering Materials. :714-717
This paper describes the cutting characteristics of aluminum alloys in dry end milling experimentally. The tested materials are A1050, A2017, A2024, A5025 and A7075. The cutter is a flat end mill of Co-cemented High Speed Steel with the diameter of 2
Publikováno v:
Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21. :239-242
Publikováno v:
Journal of the Japan Society for Precision Engineering, Contributed Papers. 72:619-625
This paper describes the experimental results on the error inducing factors in the high-precise surface profile measurement by a laser confocal range sensor. One of their factors is tilt angle of a surface at a measuring point. According to the exper