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The monitoring of glucose fluctuation and glucose tolerance is necessary for diabetes patients in their daily life. Most of the commercial glucose meters need to prick the finger with a small wound that raising the concern of pain and infection. The human blood is the low glucose concentration solution (<< 100 mmol/L). As the oxygen saturation in the blood decreases, the glucose concentration...
The purposes of this study were to develop a high-speed milling system combined with an ablation path of the parallel lines and to investigate the cut quality on the glass substrates conducted by a nanosecond pulsed Nd:YVO4 laser (λ:355 nm). Experimental specimens were commercial Corning Gorilla glass with a thickness of 800 μm. Laser milling parameters including the laser fluence, number of milling...
The objective of this study was to obtain the optimal parameters for laser electrode patterning of indium-tinoxide (ITO) films coated on soda lime glass substrates; the parameters were determined through grey relational analysis. The electrode patterning parameters affecting the sheet resistance and optical transmittance of the film include the laser power, pulse repetition frequency, pulse duration,...
A simple, fast, and low-cost method to fabricate variance type of interdigital sensor device for different fields application was demonstrated. The sensor device was fabricated by employing the laser micromachining technology, which approach was comparable with current commercial laser process. The resolution of sensor structure can be successfully approach around 50 µm. The electronic properties...
The oxygen in human body is transported by the hemoglobin and blood, and blood flow velocity (BFV) was related to the heart rate (HR); therefore, the oxygen saturation image of human skin can be used to evaluate the HR and BFV of human. When irradiating two different wavelengths light alternately and repeatedly, the frequency of oxygen saturation (SpO2) fluctuation (fc) can be obtained from the Fourier...
This paper subjects an optoelectronic multi-degree-of-freedom (DOF) measurement system to establish the optical system model. Through the optical model, the multi-DOF motion can be carried out by the laser spot variation. The multi-DOF measurement system includes 2 digital image sensors and 4 laser diodes. It improves the disadvantage of conventional multi-DOF measurement system. The conventional...
In the past, the optometry instrument calibrated in diopter and astigmatism were usually performed by using human eyes. However, the larger uncertainty of measurement will be induced while observing the measuring patterns using human eyes. Therefore, based on the ANSI/ISEA Z87.1-2010 standard, this study presents the development of automatic optometry system, which comprises of the machine vision,...
The telescope emulator system comprises the binocular, gyroscope, encoder modular, mobile display, image processing module and computer, which is applied to stargazing, bird-watching teaching, big game player, military shooting, tower-view simulation and outdoor virtual reality, etc. Based on the orientation sensing of gyroscope by two gyroscopes and one encoder module and the message feedback to...
Precision motion stage was an important component for the instrument control system, especially applied in the advanced manufacturing and inspecting systems. This article presented the positioning accuracy of a dual-axis feeding system enhanced by using a laser interferometer for error measurement and compensation. Based on a least-square theorem, one dimensional fitting function was used to compensate...
The drawing exchange files (DXF), which described the detail of picture by an ASCII code files, is a letter file of the pictures and one of standard CAD files in industries. In this paper, a CAM file translate from a DXF file which analyzed the contents and structures of original file, and produce the tool paths for numerical control system of Laser machines. Translating DXF file, which developed...
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