Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Takao SAJIMA"'
Publikováno v:
Applied Sciences, Vol 13, Iss 3, p 1260 (2023)
The precise measurement of microstructures and other micron-sized materials has garnered considerable interest in recent years. We have developed a measurement system that uses an etched small diameter optical fiber as a stylus to measure microstruct
Externí odkaz:
https://doaj.org/article/87912a8b1138407f899a5bb00e0f89cb
Publikováno v:
Measurement: Sensors, Vol 18, Iss , Pp 100170- (2021)
We have been developing a measurement system for microstructures using a small-diameter optical fiber probe. The contact detection method using a threshold value may cause a large error due to the time lag between the real contact time and the time d
Externí odkaz:
https://doaj.org/article/56b191ac4bb14dcca54bf9804d3a4bf4
Autor:
Hiroshi Murakami, Akio Katsuki, Takao Sajima, Kosuke Uchiyama, Ichiro Yoshida, Yasuo Hamano, Hiroshi Honda
Publikováno v:
Applied Sciences, Vol 10, Iss 9, p 3191 (2020)
Recently, the demand for accuracy measurement of microstructures has been remarkable. We have been developing a measurement system for microstructures using a stylus made of an optical fiber and prisms. In this measurement system, the oblique irradia
Externí odkaz:
https://doaj.org/article/9fa9817c416143c59a62fa9dab5a848f
Autor:
Hiroshi MURAKAMI, Akio KATSUKI, Hiromichi ONIKURA, Takao SAJIMA, Norio KAWAGOISHI, Eiji KONDO
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 4, Iss 5, Pp 995-1004 (2010)
This paper presents a system for measuring micro holes that makes use of an optical fiber probe. The optical fiber probe is deflected when it comes into contact with a hole surface, and this deflection is measured optically. For this research, the op
Externí odkaz:
https://doaj.org/article/5b30560c31d04a20b4f255f8f52f6bf4
Publikováno v:
Fibers, Vol 4, Iss 3, p 24 (2016)
This paper presents a system that can be used for micro-hole measurement; the system comprises an optical fiber stylus that is 5 µm in diameter. The stylus deflects when it comes into contact with the measured surface; this deflection is measured op
Externí odkaz:
https://doaj.org/article/1dcf0d3796b24a4689754b73ee583fb8
Publikováno v:
Applied Sciences, Vol 6, Iss 5, p 153 (2016)
Recent years have witnessed an increased demand for a method for precise measurement of the microstructures of mechanical microparts, microelectromechanical systems, micromolds, optical devices, microholes, etc. This paper presents a measurement syst
Externí odkaz:
https://doaj.org/article/10cb8f3d345041c28b7656f366d87179
Publikováno v:
Precision Engineering. 80:72-81
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e1caafc6f81b4569e05a0aeb717e00d
https://doi.org/10.1016/j.precisioneng.2022.11.015
https://doi.org/10.1016/j.precisioneng.2022.11.015
Publikováno v:
Precision Engineering. 70:26-33
Recently, the demand for realizing micromachining through small-diameter tools has increased. When performing microfabrication using a numerically controlled machine tool, a machining error may be introduced if the relative position of the tool tip a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1575bf3b1347433d21717765aaa1850a
https://doi.org/10.1016/j.precisioneng.2021.01.017
https://doi.org/10.1016/j.precisioneng.2021.01.017
Publikováno v:
Precision Engineering. 63:18-32
In this study, a system for measuring small-sized holes with a 17–21 mm diameter and 1000 mm length was constructed. The system comprises a laser interferometer to detect hole accuracy, a probe connected to a measurement bar, and an optical apparat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6f1aa8d6196686cf2791a38d44e5d9d
https://doi.org/10.1016/j.precisioneng.2019.12.012
https://doi.org/10.1016/j.precisioneng.2019.12.012
Publikováno v:
27th International Conference on Optical Fiber Sensors.
A micro contact fiber sensor with a built-in Fabry-Perot interferometer was fabricated, and it was confirmed that the sensor can detect contact with a resolution of about 50 nm based on the wavelength shift.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4383a21c6afbd331f2893c8ddde78c9c
https://doi.org/10.1364/ofs.2022.th4.12
https://doi.org/10.1364/ofs.2022.th4.12