Abstract: The invention provides a system for managing food information based on an odor, which comprises a gas sensing module, a processing module, a blockchain module and a display module. The gas sensing module includes a colorimetric gas sensing chip reacting with odor molecules emitted by the food to form a coloring reaction and present a color image corresponding to the food. The processing module includes a conversion unit for converting the color image into identification information corresponding to the food. The blockchain module includes a plurality of nodes, and the plurality of nodes store identification information corresponding to the food. The display module includes an identification label corresponding to the identification information. Therefore, when the invention is applied to the blockchain technology, it can remove the doubt that the data on the chain can be falsified before the data is uploaded.

Abstract: The present invention provides a wireless communication device and a subscriber identity module card in a wireless communication device. The subscriber identity module card comprises a flat plate carrier, a subscriber identity module circuit and a gas sensing chip. The flat plate carrier comprises a first surface where the subscriber identity module circuit is disposed, a second surface where the gas sensing chip is disposed, a through hole, and an electrical contact portion passing through the through hole and extending to reach the first surface and the second surface. The electrical contact portion is electrically connected to the subscriber identity module circuit and the gas sensing chip. The gas sensing chip is disposed on a portion of the subscriber identity module card where not occupied by the subscriber identity module circuit. Thus, the wireless communication device provides gas sensing function without additionally equipping with an external gas sensing element.

Abstract: A system and a method for managing and trading fresh foods according to a flavor thereof, comprising a plurality of fresh foods, an image capturing module, a processing module and a classification module. The fresh food is attached with a product label including a code and a colorimetric transducer array that comprises at least one sensing material for sensing the fresh food. The sensing material undergoes a chemical reaction with at least one metabolic molecule of the fresh food to change the sensing material from an initial color to an indication color. The image capturing module captures an image comprising an appearance of the fresh food, the code and the indication color. The processing module provides a real-time information according to a comparison result between the image and a database. The classification module receives the real-time information and classifies the fresh food according to the real-time information.

Abstract: A device for providing a food advertisement based on food flavors to market a food product, including a carrier and a plurality of color patches provided on the carrier and combined into a color pattern. The color patches are generated according to a colorimetric sensor array sensing the food product, and the colorimetric sensor array includes a plurality of sensing materials for sensing the food product. The sensing materials respectively react with at least one metabolic molecule of the food to change from an initial color to an indication color corresponding to the color patches respectively, so that the color pattern is visually associated with flavor information of the food product correspondingly.

Abstract: The present invention provides a chemical sensor comprising a substrate, a first colorimetric sensor array exposed and arranged in a first accommodating space of the substrate and a second colorimetric sensor array arranged in a second accommodating space of the substrate. The second accommodating space is covered with an isolating layer to isolates liquid molecules but allows gas molecules to pass through. The first colorimetric sensor array changes from a first initial color to a first indicating color according to a volatile part and a non-volatile part of an analyte, and the second colorimetric sensor array changes from a second initial color to a second indicating color according to the volatile part of the analyte, so that information of the volatile part and the non-volatile part of the analyte can be obtained simultaneously.

Abstract: The present invention provides a product label with a colorimetric sensor array and a code, and the system and the method of the present invention are mainly that the product label is attached to a fresh food, so that at least one sensing material of the colorimetric sensor array undergoes a chemical reaction with at least one metabolic molecule of the fresh food to change from an initial color to an indicating color. The present invention, by obtaining an image comprising an appearance, the code and the indicating color of the fresh food through an image acquisition device, also provides an instant information associated with the fresh food by a processing device according to a comparison result of the image and a database.

Abstract: A dry etching process for manufacturing a trench structure of a semiconductor apparatus, including the steps of: step 1, providing a semiconductor substrate, wherein the semiconductor substrate is provided with a patterned photoresist layer and placed in a reaction chamber; step 2, introducing a first etching gas into the reaction chamber to perform a first etching process to form a trench, wherein the first etching gas includes sulfur hexafluoride, oxygen, helium, nitrogen trifluoride, and a first organic silicide; step 3, introducing a second etching gas into the reaction chamber to perform a second etching process to further etch the trench, wherein the second etching gas includes sulfur hexafluoride, oxygen, helium, and a second organic silicide; and step 4, introducing a third etching gas into the reaction chamber to perform a third etching process, wherein the third etching gas includes hydrobromic acid, oxygen, and helium.

Abstract: The present invention provides a wireless communication device and a subscriber identity module card in a wireless communication device. The subscriber identity module card comprises a flat plate carrier, a subscriber identity module circuit and a gas sensing chip. The flat plate carrier comprises a first surface where the subscriber identity module circuit is disposed, a second surface where the gas sensing chip is disposed, a through hole, and an electrical contact portion passing through the through hole and extending to reach the first surface and the second surface. The electrical contact portion is electrically connected to the subscriber identity module circuit and the gas sensing chip. The gas sensing chip is disposed on a portion of the subscriber identity module card where not occupied by the subscriber identity module circuit. Thus, the wireless communication device provides gas sensing function without additionally equipping with an external gas sensing element.

Abstract: The invention provides a system for managing food information based on an odor, which comprises a gas sensing module, a processing module, a blockchain module and a display module. The gas sensing module includes a colorimetric gas sensing chip reacting with odor molecules emitted by the food to form a coloring reaction and present a color image corresponding to the food. The processing module includes a conversion unit for converting the color image into identification information corresponding to the food. The blockchain module includes a plurality of nodes, and the plurality of nodes store identification information corresponding to the food. The display module includes an identification label corresponding to the identification information. Therefore, when the invention is applied to the blockchain technology, it can remove the doubt that the data on the chain can be falsified before the data is uploaded.

Abstract: The invention provides a system for evaluating food flavors based on a gas, including a multi-gas sensing module and an odor information processing module. The sensing module includes a colorimetric gas sensing chip for reacting with odor molecules emitted by the food to be evaluated to form a coloring reaction, and the sensing module generates a color image respectively corresponding to coloring reaction according to the coloring reaction. The processing module is communicatively connected with the sensing module and includes an image acquisition unit for converting the color image into an odor information, a database unit including a plurality of identification information, and an arithmetic unit perform a calculation to form a result for evaluating the food flavors based on the plurality of identification information and the color image. The user can judge the actual condition of foods according to the result for evaluating the food flavors.

Abstract: A gas-sensing tattoo sticker includes an adhesive layer, a coloring reaction layer, and a chemical reaction layer, disposed by stacking. The chemical reaction layer includes reaction zones capable of reacting with a gas to be tested to produce a chemical change; the coloring reaction layer includes coloring sides and correspondingly disposed reaction sides in contact with the reaction zones, and includes a coloring indicator to produce a coloring reaction corresponding to the chemical change of the reaction sides; to and the adhesive layer is provided on a side of the coloring reaction layer or the chemical reaction layer to provide adhesion, thereby completing the gas-sensing tattoo sticker, changes of gas in the surrounding environment can be sensed when air inlet sides are outwardly adhered on an object; and the smell of an object itself can be sensed when the air inlet sides are inwardly adhered on the object.

Abstract: The present invention relates to a colorimetric sensor chip includes a chemical reaction layer and a coloring reaction layer. The chemical reaction layer includes reaction zones reacting with a gas to be tested to produce a chemical change. The coloring reaction layer includes a coloring side and a reaction side in contact with the reaction zone which are opposite to each other. The coloring reaction layer further includes a coloring indicator to produce a coloring reaction corresponding to the chemical change of the reaction sides, thereby completing a light, thin and highly integrated gas sensor chip directly attaching or placing on an object to be sensed for real-time sensing.

Abstract: A manufacturing method of nitrogenous carbon electrode and flow cell provided therewith is disclosed. Firstly, a preformed body is performed by mixing a carbon material, a polymeric material and a modifier. A formation process is performed on the preformed body to obtain a formed body. A high sintering is then performed, such that a part of the polymeric material is decomposed and then removed, while the other part of polymeric material is cooperated with the carbon material to form a skeletal structure including a plurality of pores, and that the nitrogen in the modifier is adhered to the skeletal structure to form a nitrogenous functional group, and then form a nitrogenous carbon electrode. The nitrogenous carbon electrode may be applied to the flow cell. Thereby, electric conductivity in a vertical direction may be enhanced, so as to reduce internal resistance of the flow cell and increase discharge power.

Abstract: A gas sensor for a handheld device is assembled in a cavity of the handheld device. The gas sensor comprises a sensing chip, a circuit board and a gas channel. During operation, when a to-be-sensed gas is blown to a first sub-channel away from a gas inlet via a second sub-channel in the gas channel adjacent to the gas inlet, a gas pressure is weakened by the channel, so that the gas pressure of the first sub-channel is lower than the gas pressure of the second sub-channel. Therefore, dust and other tiny substances are prevented from entering the handheld device, and the damage to the sensing chip caused by the gas pressure during blowing can also be avoided.

Abstract: A method for manufacturing a gas detector by a micro-electrical-mechanical systems (MEMS) process. The method includes providing a MEMS wafer including a plurality of mutually adjacent units; forming a gas sensing material layer on the MEMS wafer; bonding a structure reinforcing layer and the MEMS wafer through anode bonding; providing an adhesive tape; performing a cutting process to form a gas detection unit; and adhering the gas detection unit on a substrate by the adhesive tape to form a gas detector. The structure reinforcing layer is capable of enhancing the strength of a device and preventing edge collapsing, and hence enhancing the overall yield rate and reducing costs.

Abstract: A method for manufacturing a microfluidic device includes following steps. A mold made of a glass material is provided. The mold has at least one hollow mold cavity and at least one blocking wall around the hollow mold cavity. The mold is disposed on a silicon substrate, which includes a formation surface corresponding to the hollow mold cavity and a microfluidic male mold protruding from the formation surface. Polydimethylsiloxane (PDMS) is poured into the hollow mold cavity and baked to harden the PDMS to form the microfluidic device. The microfluidic device has a microfluidic structure corresponding to the microfluidic male mold, and a height of a sidewall of the microfluidic device is between 3 mm and 30 mm. With the glass material of the mold, the microfluidic device having a sidewall height greater than 3 mm can be manufactured, preventing an insufficient suction force of a negative pressure.

Abstract: A method for manufacturing a gas detector by a micro-electrical-mechanical systems (MEMS) process. The method includes providing a MEMS wafer including a plurality of mutually adjacent units; forming a gas sensing material layer on the MEMS wafer; bonding a structure reinforcing layer and the MEMS wafer through anode bonding; providing an adhesive tape; performing a cutting process to form a gas detection unit; and adhering the gas detection unit on a substrate by the adhesive tape to form a gas detector. The structure reinforcing layer is capable of enhancing the strength of a device and preventing edge collapsing, and hence enhancing the overall yield rate and reducing costs.

Abstract: The present invention provides a formula for producing tread stock, wherein the formula for producing tread stock comprises a silicone rubber; a carbon material accounting for 0.005% to 0.02% by weight of total components; a filler accounting for 10% to 75% by weight of the total components; and a cross-linking agent accounting for 0.5% to 2% by weight of the total components. The above-mentioned formula for producing tread stock has the advantages of excellent abrasion resistance and prolonged lifetime.

Abstract: The invention provides a manufacturing method for an elastic composite material, which comprises the following steps of: mixing a carbon material with a silicon rubber material, and uniformly dispersing the carbon material in the silicon rubber material to form a mixed compound; mixing the mixed compound with a (Bis(triethoxysilylpropyl)tetrasulfide) and a cross-linking agent to form a mixture; and heating the mixture to harden it to obtain the elastic composite material. The elastic composite material produced by the above method has improved durability.

Abstract: A stepwise-stacked seawater battery assembly comprises a first battery chamber, a second battery chamber, a seawater electrolytic liquid, and an electric-conduction set. The first battery chamber includes a first accommodation room and a first electrode group. The second battery chamber is disposed above the first battery chamber and includes an opening, a second accommodation room interconnecting with the opening, and a second electrode group disposed in the second accommodation room. The seawater electrolytic liquid includes a first electrolytic liquid received by the first accommodation room and a second electrolytic liquid received by the second accommodation room. The electric-conduction set electrically connects the first electrode group and the second electrode group. The structural design that the first battery chamber receives the first electrode group and the second battery chamber receives the second electrode group can simplify the structure of the seawater battery assembly.