Abstract: Disclosed is a minimally invasive instrument with instant force feedback function, including a minimally invasive device, a sensing device, a computing device, and a warning device. The minimally invasive device may have an invasive portion, which may enter the human body to perform surgical operations. The sensing device is provided on the invasive portion of the minimally invasive device and may include a flexible conductive film, a plurality of bionic films and a plurality of liquid beads. The plurality of bionic films may be provided on a flexible conductive film. Each of the plurality of liquid beads may be covered by each of the plurality of bionic films. The computing device may be electrically connected to the flexible conductive film. The warning device may receive a warning signal and generate a warning message.

Abstract: A microfluidic device includes a substrate, a microchannel, a plurality of spaced-apart pillars, and a porous nanofiber structure. The substrate has a substrate top surface. The microchannel is indented downwardly from the substrate top surface. The pillars are disposed in the microchannel. Each of the pillars has a pillar top surface that is lower in level than the substrate top surface. The porous nanofiber web structure is formed in the microchannel, and includes a first web portion residing in a space formed among the pillars.

Abstract: A gas sensor includes a substrate, a pair of spaced-apart electrodes, and a detecting layer. The electrodes are disposed on the substrate with a region of the substrate exposed therefrom. Each of the electrodes is made of a graphene-based material. The detecting layer is disposed on the exposed region of the substrate and the electrodes. A method of making the gas sensor is also disclosed.

Abstract: Disclosed is a minimally invasive instrument with instant force feedback function, including a minimally invasive device, a sensing device, a computing device, and a warning device. The minimally invasive device may have an invasive portion, which may enter the human body to perform surgical operations. The sensing device is provided on the invasive portion of the minimally invasive device and may include a flexible conductive film, a plurality of bionic films and a plurality of liquid beads. The plurality of bionic films may be provided on a flexible conductive film. Each of the plurality of liquid beads may be covered by each of the plurality of bionic films. The computing device may be electrically connected to the flexible conductive film. The warning device may receive a warning signal and generate a warning message.

Abstract: The present invention provides a portable thermal cycling device for quickly changing and regulating temperature, which is used for deoxyribonucleic acid (DNA) detection and amplification. The device adopts the concept of an electrical impedance method for detection, utilizes the spinning coating and electrospinning nanowires technologies to directly fabricate a thin film type thermal cycling device, and under the cooperation of a laser direct writing technology for patterning definition, enables the device to have the function of quickly raising/reducing temperature at one time for DNA amplification.

Abstract: A microfluidic device includes a substrate, a microchannel, a plurality of spaced-apart pillars, and a porous nanofiber structure. The substrate has a substrate top surface. The microchannel is indented downwardly from the substrate top surface. The pillars are disposed in the microchannel. Each of the pillars has a pillar top surface that is lower in level than the substrate top surface. The porous nanofiber web structure is formed in the microchannel, and includes a first web portion residing in a space formed among the pillars.

Abstract: A method applying a circular photonic crystal structure to improve optical properties of a photoelectric conversion device such as a light emitting diode device, an organic light emitting diode device or a solar cell is provided, wherein the circular photonic crystal structure is configured on a junction surface between two different mediums where passes a light emitted or received by the photoelectric conversion device. The circular photonic crystal structure provides isotropic photonic band gap which conduces high light extraction efficiency.

Abstract: A mold making system for surface patterning of a roller mold is provided. The roller mold includes a transparent hollow roller and a polymer layer disposed at an outer surface of the transparent hollow roller. The mold making system includes a laser generation device, an optical path changing device, and a control device connected to the optical path changing device. The laser generation device is used for generating an ultrafast laser. The optical path changing device is disposed at an inner space of the transparent hollow roller to receive the ultrafast laser. The control device controls the optical path changing device to guide the ultrafast laser to pass through the transparent hollow roller and to be focused at a focus position in the polymer layer.

Abstract: A method applying a circular photonic crystal structure to improve optical properties of a photoelectric conversion device such as a light emitting diode device, an organic light emitting diode device or a solar cell is provided, wherein the circular photonic crystal structure is configured on a junction surface between two different mediums where passes a light emitted or received by the photoelectric conversion device. The circular photonic crystal structure provides isotropic photonic band gap which conduces high light extraction efficiency.

Abstract: Disclosed is a trace detection device of a biological and chemical analyte, including a metal substrate, a periodic metal nanostructure on the metallic substrate, a dielectric layer on the periodic metal nanostructure, and a continuous metal film on the dielectric layer. Tuning the thickness of the dielectric layer and/or the continuous metal film to meet the laser wavelength can shift the absorption peak wavelength of the sensor, thereby further enhancing the Raman signals of the analyte molecules.

Abstract: A mold making system for surface patterning of a roller mold is provided. The roller mold includes a transparent hollow roller and a polymer layer disposed at an outer surface of the transparent hollow roller. The mold making system includes a laser generation device, an optical path changing device, and a control device connected to the optical path changing device. The laser generation device is used for generating an ultrafast laser. The optical path changing device is disposed at an inner space of the transparent hollow roller to receive the ultrafast laser. The control device controls the optical path changing device to guide the ultrafast laser to pass through the transparent hollow roller and to be focused at a focus position in the polymer layer.

Abstract: Disclosed is a trace detection device of a biological and chemical analyte, including a metal substrate, a periodic metal nanostructure on the metallic substrate, a dielectric layer on the periodic metal nanostructure, and a continuous metal film on the dielectric layer. Tuning the thickness of the dielectric layer and/or the continuous metal film to meet the laser wavelength can shift the absorption peak wavelength of the sensor, thereby further enhancing the Raman signals of the analyte molecules.

Abstract: The present invention relates to a beam modulating apparatus for mold fabrication by ultra-fast laser technique. More particularly, the present invention discloses a beam modulating apparatus for fabricating micro-/nano-scaled structures, which adopts an energy shaping scheme for beam shape modulation while using the modulated beam for mold fabrication. Following the development of flexible electronic devices, such as flexible displays, all kinds of roller molds formed with micro-/nano-scaled structures are becoming the key issue for commercialization and mass production which require a breakthrough in ultra-precision machining and photo-lithography that overcomes the bottlenecks related to shape, size, thermal effect and precision for fabricating sub-micron sized structures and thus greatly enhancing product design capability and functionality.