Abstract: Some implementations described herein provide techniques and apparatuses for a stacked semiconductor die package. The stacked semiconductor die package may include an upper semiconductor die package above a lower semiconductor die package. The stacked semiconductor die package includes one or more rows of pad structures located within a footprint of a semiconductor die of the lower semiconductor die package. The one or more rows of pad structures may be used to mount the upper semiconductor die package above the lower semiconductor die package. Relative to another stacked semiconductor die package including a row of dummy connection structures adjacent to the semiconductor die that may be used to mount the upper semiconductor die package, a size of the stacked semiconductor die package may be reduced.

Abstract: A Totem Pole PFC circuit includes at least one fast-switching leg, a slow-switching leg, and a control unit. Each fast-switching leg includes a fast-switching upper switch and a fast-switching lower switch. The slow-switching leg is coupled in parallel to the at least one fast-switching leg, and the slow-switching leg includes a slow-switching upper switch and a slow-switching lower switch. The control unit receives an AC voltage with a phase angle, and the control unit includes a current detection loop, a voltage detection loop, and a control loop. The control loop generates a second control signal assembly to respectively control the slow-switching upper switch and the slow-switching lower switch. The control loop controls the second control signal assembly to follow the phase angle, and dynamically adjusts a duty cycle of the second control signal assembly to turn on or turn off the slow-switching upper switch and the slow-switching lower switch.

Abstract: A substrate structure and a semiconductor package structure are provided. The substrate structure includes a first dielectric layer, a pad and a conductive structure. The first dielectric layer has a first surface and a second surface opposite to the first surface. The pad is adjacent to the first surface and at least partially embedded in the first dielectric layer. The first dielectric layer has an opening exposing the pad, and a width of the opening is less than a width of the pad. The conductive structure is disposed on the pad and composed of a first portion outside the opening of the first dielectric layer and a second portion embedded in the opening of the first dielectric layer. The first portion has an aspect ratio exceeding 1.375.

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: A substrate structure and a semiconductor package structure are provided. The substrate structure includes a first dielectric layer, a pad and a conductive structure. The first dielectric layer has a first surface and a second surface opposite to the first surface. The pad is adjacent to the first surface and at least partially embedded in the first dielectric layer. The first dielectric layer has an opening exposing the pad, and a width of the opening is less than a width of the pad. The conductive structure is disposed on the pad and composed of a first portion outside the opening of the first dielectric layer and a second portion embedded in the opening of the first dielectric layer. The first portion has an aspect ratio exceeding 1.375.

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 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: 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: 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: 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: 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: 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 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: 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: In one or more embodiments, an apparatus for processing a wafer includes a ceramic wall, a metal wall and a frame. The ceramic wall defines a chamber for accommodating the wafer. The ceramic wall has a first surface defining a first opening. The metal wall surrounds the ceramic wall. The metal wall has a second surface defining a second opening adjacent to the first opening. The frame covers the second surface.

Abstract: In one or more embodiments, an apparatus for processing a wafer includes a ceramic wall, a metal wall and a frame. The ceramic wall defines a chamber for accommodating the wafer. The ceramic wall has a first surface defining a first opening. The metal wall surrounds the ceramic wall. The metal wall has a second surface defining a second opening adjacent to the first opening. The frame covers the second surface.

Abstract: The present invention provides a method and apparatus for forming an image. A controller manages a charger and a developing bias voltage to increase an absolute value of the charging voltage to an image-bearing member and an absolute value of a developing bias voltage to a developer-bearing member to predetermined values in a plurality of steps. The controller controls the developing bias voltage applied to the developer-bearing member; wherein the following relation holds in each of the plurality of steps: |VD|>|Vi|, where VD represents a developing bias voltage applied to the developer-bearing member and Vi represents a charged potential of the image-bearing member. This invention is especially useful for mono-component development using DC voltage as a development driving mechanism.