Abstract: A parameter analysis method and a parameter analysis system for metal additive manufacturing are provided. The parameter analysis method includes: establishing a powder bed model; simulating a multi-track melting result of the powder bed model according to a plurality of laser parameters to generate a melting model; analyzing the melting model to calculate a plurality of position divergences of a plurality of melting powders of the melting model, and defining a plurality of melting surface powders according to the position divergences; analyzing the melting surface powders to calculate a surface average curvature of the melting model; and determining a laser hatch in the laser parameters allows metal additive manufacturing to meet a quality as needed according to whether the surface average curvature is between a first curvature threshold and a second curvature threshold, the first curvature threshold being smaller than the second curvature threshold.

Abstract: A three-dimensional (3D) image dynamic correction evaluation and auxiliary design method for orthotics includes the following steps. 3D scanning information of the human body is obtained. A plurality of 2D images of the human body is obtained for identification, and the pixel values of the 2D images are calculated so as to synthesize an original 3D spine curve. The 2D images of the human body and the 3D scan information are synthesized. An image deformation prediction and correction method of body shape is used to generate a deformed body shape of the human body. A spine material properties and mechanical model prediction method is used to predict parameters of the position, direction and magnitude of the force applied by an orthotics to the human body according to the deformed body shape.

Abstract: A three-dimensional (3D) image dynamic correction evaluation and auxiliary design method for orthotics includes the following steps. 3D scanning information of the human body is obtained. A plurality of 2D images of the human body is obtained for identification, and the pixel values of the 2D images are calculated so as to synthesize an original 3D spine curve. The 2D images of the human body and the 3D scan information are synthesized. An image deformation prediction and correction method of body shape is used to generate a deformed body shape of the human body. A spine material properties and mechanical model prediction method is used to predict parameters of the position, direction and magnitude of the force applied by an orthotics to the human body according to the deformed body shape.

Abstract: A parameter analysis method and a parameter analysis system for metal additive manufacturing are provided. The parameter analysis method includes: establishing a powder bed model; simulating a multi-track melting result of the powder bed model according to a plurality of laser parameters to generate a melting model; analyzing the melting model to calculate a plurality of position divergences of a plurality of melting powders of the melting model, and defining a plurality of melting surface powders according to the position divergences; analyzing the melting surface powders to calculate a surface average curvature of the melting model; and determining a laser hatch in the laser parameters allows metal additive manufacturing to meet a quality as needed according to whether the surface average curvature is between a first curvature threshold and a second curvature threshold, the first curvature threshold being smaller than the second curvature threshold.

Abstract: A composite with hollow nano-structures includes multiple one dimensional hollow nanowires being dispersed into a polymer film. The polymer film is flexible, a dielectric constant of the one dimensional hollow nanowire is lower than a dielectric constant of the polymer film, and a dielectric constant of the composite is between the dielectric constant of the one dimensional hollow nanowire and the dielectric constant of the polymer film.

Abstract: The disclosed embodiments provide an adjustable brace including a first wearable part, a second wearable part, an angle adjustment mechanism and a resistance mechanism. The first wearable part and the second wearable part are pivotably connected to each other via the angle adjustment mechanism and the resistance mechanism.

Abstract: A composite with hollow nano-structures comprises multiple one dimensional hollow nanowires being dispersed into a polymer film; the polymer film is flexible; a dielectric constant of the one dimensional hollow nanowire is lower than a dielectric constant of the polymer film; and a dielectric constant of the composite is between the dielectric constant of the one dimensional hollow nanowire and the dielectric constant of the polymer film.

Abstract: This disclosure relates to an adjustable brace including a first wearable part, a second wearable part, an angle adjustment mechanism and a resistance mechanism. The first wearable part and the second wearable part are pivotably connected to each other via the angle adjustment mechanism and the resistance mechanism.

Abstract: The disclosure relates to ankle foot orthosis including foot plate, lower leg piece, first and second connecting parts, and pin. The first connecting part is connected to the foot plate, the second connecting part is connected to the lower leg piece, the first connecting part has an engagement portion, the second connecting part has a groove and an opening connected to the groove, the first connecting part is pivotably engaged with the second connecting part, the pin is detachably disposed on the first connecting part of the first pivoting mechanism, and the second connecting part has a first stopper and a second stopper spaced apart from each other. The first pivoting mechanism has a first detachable state; when the first pivoting mechanism is in first detachable state, the engagement portion is located at the opening and is detachable from the groove via the opening.

Abstract: A limb prosthesis including a palm, a forearm, an upper arm, an elbow joint and a wrist joint is provided. The palm has a first pivot and a first lock set. The upper arm has a socket. The elbow joint connects the forearm to the upper arm. The wrist joint includes a first connecting rod connected to the forearm. The first pivot rotatably penetrates through the first connecting rod. The first lock set is locked to the first pivot. A first wedge surface of the first lock set contacts a second wedge surface of the first connecting rod. By adjusting a distance between the first lock set and the first pivot, a magnitude of a forward force between the first wedge surface and the second wedge surface is adjusted, such that the palm is fixed relative to the first connecting rod or rotatable around an axial direction perpendicular to an extending direction of the forearm.

Abstract: A limb prosthesis including a palm, a forearm, an upper arm, an elbow joint and a wrist joint is provided. The palm has a first pivot and a first lock set. The upper arm has a socket. The elbow joint connects the forearm to the upper arm. The wrist joint includes a first connecting rod connected to the forearm. The first pivot rotatably penetrates through the first connecting rod. The first lock set is locked to the first pivot. A first wedge surface of the first lock set contacts a second wedge surface of the first connecting rod. By adjusting a distance between the first lock set and the first pivot, a magnitude of a forward force between the first wedge surface and the second wedge surface is adjusted, such that the palm is fixed relative to the first connecting rod or rotatable around an axial direction perpendicular to an extending direction of the forearm.

Abstract: An upper limb training device includes a first rod, a second rod, a third rod, a first resilient element, and a second resilient element. The second rod is pivoted to the first rod by a first revolution element. The third rod is pivoted to the second rod by a second revolution element. Two ends of the first resilient element respectively connect with the first rod and the third rod for providing resistance when the first rod and the second rod rotate relative to the third rod. Two ends of the second resilient element respectively connect with the first rod and the third rod for providing resistance when the first rod rotates relative to the second rod. The first revolution element is disposed between two connecting points at which the first resilient element and the second resilient element connect with the first rod.

Abstract: An upper limb training device is disclosed. It includes a first rod, a second rod, a third rod, a first resilient element, and a second resilient element. The second rod is pivoted to the first rod by means of a first revolution element. The third rod is pivoted to the second rod by means of a second revolution element. Two ends of the first resilient element respectively connect with the first rod and the third rod for providing resistance when the first rod and the second rod rotate relative to the third rod. Two ends of the second resilient element respectively connect with the first rod and the third rod for providing resistance when the first rod rotates relative to the second rod. The first revolution element is disposed between two connecting points at which the first resilient element and the second resilient element connect with the first rod.

Abstract: A mechanically actuated airtight device for wafer carrier comprises a cover, at least one sealing gasket, at least one linked plate, and a driving wheel. The cover has a first face and a second face, and being formed with at least one hole therethrough. The sealing gasket is positioned above the hole of said cover, and has a base in a form of wedged ramp, where the base is further formed with a through opening. The linked plate has a first face and a second face, where the second face is at one side provided with a protuberance, and the first face is provided with at least one wedged ramp, and where the wedged ramp has a slope equal to that of the wedged ramp of the base, such that at least one of the wedged ramp of the first face of the linked plate mates with the wedged ramp of the second face of the linked plate.

Abstract: A latching mechanism for an airtight container includes a door body; a rotation element pivoting the door body, the rotation element rotating in a first rotation direction or a second rotation direction; a moving element moving outward or inward; a first push mechanism, wherein when the rotation element rotates in the first rotation direction, the first push mechanism makes the moving element move outward, and the first push mechanism includes a first guide slot situated at the rotation element; and a first guide block situated at the moving element, the first guide block sliding within the first guide slot; a pressing element situated at the door body; and a second push mechanism, wherein when the rotation element rotates in the first rotation direction, the second push mechanism pushes the pressing element such that the pressing element pushes the moving element upward.

Abstract: A clean container having an elastic positioning structure includes a support element and a back positioning element on a base. A cover is disposed for covering the base, and a positioning part is disposed between the cover and the base, which has two elastic arms extended laterally, and each elastic arm extends with a pushing surface respectively. When a plate of brittle material is placed on the base, and the cover is closed, the pushing surfaces are elastically pressed against and push the plate respectively, so that the plate moves backwards and presses against the back positioning element. Therefore, the plate is prevented from being damaged. Additionally, the base, the cover, and the positioning part are made of a conductive material, so that the electrostatic charges for the plate is conducted out of the clean container, and has a protective function of an electrostatic discharge.

Abstract: Disclosed is a six-bar linkage positioning mechanism mounted inside a clean container formed of a locating member and a four-bar linkage and a driving module which, when moved, has the slide of the driving module stopped at the base of the cleaning container and be forced to move upwards relative to a sliding way inside the locating member and to cause the driving link of the driving module to drive the four-bar linkage upwards and to further force the second link of the four-bar linkage to push workpieces in respective insertion slots in a cassette on the clean container. The six-bar linkage positioning mechanism has only one degree of freedom so that it moves workpieces horizontally in the cassette into position by means of contact at a point, preventing contamination due to friction and also improving moving stability.

Abstract: A fastening structure of a clean container is combined on a cover of the clean container with a dismountable fastener member, such that the cover is closed or opened on a base of the clean container. The fastener member includes a body, a positioning portion, and an elastic fastening arm, that are one-piece formed. The positioning portion extends from one side of the body to form a flat spring. A flange is formed on the flat spring to fasten the fastener member on the cover. The elastic fastening arm has an elastic arm, and a lateral flange is formed on one end of the elastic arm, and extends into the base to be buckled. The fastener member further includes an elastic auxiliary arm formed between the elastic arm and the body, so as to increase an elastic strength of the elastic fastening arm.

Abstract: Disclosed is a six-bar linkage positioning mechanism mounted inside a clean container formed of a locating member and a four-bar linkage and a driving module which, when moved, has the slide of the driving module stopped at the base of the cleaning container and be forced to move upwards relative to a sliding way inside the locating member and to cause the driving link of the driving module to drive the four-bar linkage upwards and to further force the second link of the four-bar linkage to push workpieces in respective insertion slots in a cassette on the clean container. The six-bar linkage positioning mechanism has only one degree of freedom so that it moves workpieces horizontally in the cassette into position by means of contact at a point, preventing contamination due to friction and also improving moving stability.

Abstract: A transfer component and a laser-assisted transfer system using the same are provided. The laser-assisted transfer system comprises: a multimode laser source; a beam transformer; a scanner module; and a transfer component. The beam transformer is capable of transforming a multimode laser beam generated from the multimode laser source into a rectangular beam and then feeding the rectangular beam into the scanner module to form a large-area scanning laser beam. The transfer component comprises a conductive thin film and an insulating thin film. The conductive thin film receives a scanning laser beam from the scanner module and is ablated while the ablation of the conductive thin film is transferred onto the insulating thin film. In an exemplary embodiment, the transfer component comprising a metal thin film and an organic thin film is used for enabling the system to perform large-area pattern transfer with high efficiency.