Abstract: Provided are a biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and high viscosity which has a carboxyl end group (CEG) content of 15 mg KOH/g or less, a ratio (Mz/Mn) of a z-average molecular weight (Mz) to a number average molecular weight (Mn) of 3 to 15, and a melt index (MI) of 5 g/10 min or less as measured under conditions of a temperature of 190° C. and a load of 2.16 kg in accordance with ASTM D 1238. A method of preparing a biodegradable aliphatic-aromatic polyester copolymer is provided, including adding a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, whereby a significant viscosity rise and improvement of hydrolysis resistance may be implemented simultaneously.

Abstract: Provided is a biodegradable polyester polymer comprising a polymerization reaction product of an aliphatic dicarboxylic acid, an C6-30 aromatic dicarboxylic acid, an aliphatic diol, and a branching agent, and wherein the biodegradable polyester polymer has a ratio of z-average molecular weight (Mz) to weight average molecular weight (Mw) (“Mz/Mw”) greater than 2 and an easy-tear film including the same. The biodegradable film has excellent mechanical properties to effectively protect a product inside the packaging but also be easily opened in a controlled manner without excessive force and at the same time, provide an environmentally-friendly alternative to non-degradable plastics.

Abstract: Provided are a biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and high viscosity which has a carboxyl end group (CEG) content of 15 mg KOH/g or less, a ratio (Mz/Mn) of a z-average molecular weight (Mz) to a number average molecular weight (Mn) of 3 to 15, and a melt index (MI) of 5 g/10 min or less as measured under conditions of a temperature of 190° C. and a load of 2.16 kg in accordance with ASTM D 1238. A method of preparing a biodegradable aliphatic-aromatic polyester copolymer is provided, including adding a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, whereby a significant viscosity rise and improvement of hydrolysis resistance may be implemented simultaneously.

Abstract: The present invention relates to a system for mediating personal data of a user, and it is an object of the present invention to provide the personal data mediation system which allows information to be more reasonably mediated.

Abstract: The present invention relates to a processing system and method for supporting an advance purchase, and has an object to provide to a processing system and method for supporting an advance purchase, in which, through advance purchase orders for consumption of products inevitable in the future, a company provides a support money to a user in advance via a financial company so as to allow the user to use the support money for consumption that is irrelevant to the current company, and thus the consumption may be boosted and future customers may be secured in advance, as well as the financial company provides the support money based on individual credit, such that risks may be distributed and an additional model for evaluating the credit of the company is not required.

Abstract: Disclosed is a portable electronic moxibustion therapy device which can be conveniently carried after being charged by a user to provide the effects of conventional moxibustion treatment anywhere and anytime, and which can maximize the effects of moxibustion treatment by directly applying heat stimulation while being near but not in direct contact with an acupuncture point to be treated and simultaneously providing an indirect thermal effect continuously to the surrounding area and the area around the acupuncture point to be treated. The portable electronic moxibustion therapy device according to the present invention comprises: an upper main body including a battery and a control circuit unit provided therein, and separate the skin from the bottom end of the funnel portion.

Abstract: An electronic device including a semiconductor memory. The semiconductor memory may include a variable resistance element exhibiting two different states for storing data; and an upper layer disposed over the variable resistance element, and wherein the upper layer may have a stepped or sloped profile and be located to serve as a part of a hard mask to pattern the variable resistance element.

Abstract: The present invention relates to a private data management system and a method therefor. The present invention has an object to provide a private data management system capable of significantly decreasing hacking possibility and preventing data from being leaked even at the time of a loss of a user terminal, by randomly distributing, storing and managing private data of a user without storing the private data in the user terminal or a specific server, and recovering the private data in the user terminal by a plurality of authentication procedures as necessary, and a method therefor.

Abstract: This technology provides an electronic device and a method for fabricating the same. An electronic device in accordance with an implementation of this document may include a semiconductor memory, wherein the semiconductor memory may include: a variable resistance element disposed over a substrate and structured to exhibit different resistance states for storing data; and an upper contact plug disposed over the variable resistance element and coupled to the variable resistance element, wherein the upper contact plug includes a first portion that is disposed between an upper end of the upper contact plug and a lower end of the upper contact plug and the first portion has a width smaller than a width of each of the upper end and the lower end.

Abstract: The present invention relates to a star-following product sale system and a method thereof, and more particularly, to a star-following product sale system and a method thereof, in which a part of profits obtained from star-following users who perform star-following browsing or a star-following purchase of products at the time of payment of the star is fed back thereto, thus to determine a payment limit of the star, and the star may execute a payment within the payment limit, thereby providing a cycle of star-driven positive reinforcement. By applying the present invention, when browsing product information or purchasing and making a payment of a product by a user who follows the star to perform star-following browsing or a star-following purchase through the system, the payment limit of the star may be increased and a limit of an amount on the selection of the star may be removed by the above star-following browsing or star-following purchase action.

Abstract: An electronic device may include a semiconductor memory, and the semiconductor memory may include a variable resistance element. The variable resistance element may include a lower electrode; a spacer formed on a side surface of the lower electrode; and a variable resistance pattern disposed over the lower electrode, wherein a portion of the lower electrode covers a top surface of the spacer.

Abstract: The present invention relates to a purchase guide information providing system with intelligent selecting functions mounted and a method thereof.

Abstract: The present invention relates to social-based image setting value sharing systems and methods. The present invention has an object to provide social-based image setting value sharing systems and methods, wherein a representative portrait image for each user and an image correction setting value thereof are registered in a server in advance and shared, and a portrait image of a user to be corrected through mutual information sharing among applications is tracked and automatically corrected according to the image correction setting value such that a user's desired image may be circulated.

Abstract: Disclosed are a smart commerce information providing system using a wireless terminal and a method thereof. In the smart commerce information providing system using a wireless terminal, the interactive information (query information and response information) for each personal information of user is registered only at a wireless terminal of each user, and marketing information that a seller intends to advertise is selectively relayed to be transmitted to a user who has the marketing information that the seller wants, so that personal information leakage is prevented and negative mentality of user against advertising information is eliminated to increase marketing effects, and a method thereof.

Abstract: An electronic device including a semiconductor memory. The semiconductor memory may include a variable resistance element exhibiting two different states for storing data; and an upper layer disposed over the variable resistance element, and wherein the upper layer may have a stepped or sloped profile and be located to serve as a part of a hard mask to pattern the variable resistance element.

Abstract: The present invention relates to a payment-linked promotion processing system and a method thereof, and the purpose of the present invention is to provide a payment-linked promotion processing system and a method thereof in which affiliates set to provide a fixed discount rate every time a sale occurs are classified for each discount rate; and a discount rate that is provided each time when a user purchases a product is accumulated to use as a financial resource, and purchasers can competitively select and determine the discount rate by themselves in real-time until when the predetermined accumulated discount rate is entirely exhausted, thereby inducing rapid consumption promotion by allowing sellers to process a discount on the determined discount rate.

Abstract: The present invention relates to an apparatus, a system, and a method for processing a price event. The purpose of the present invention is to provide an apparatus, a system, and a method for processing a price event, in which the price event that produces a plurality of prize winners is performed while using, as a financial resource of the event, promotion expenses that are differentially provided by each affiliate when an order is placed for a specific product or service, and a user is allowed to receive prize-winning probability information of the corresponding user by determining an amount of participation money and an expected amount of prize money, thus to select or change processing of the event so that the user may feel a noticeable effect of a discount in real time.

Abstract: This technology provides an electronic device and a method for fabricating the same. An electronic device in accordance with an implementation of this document may include a semiconductor memory, wherein the semiconductor memory may include: a variable resistance element disposed over a substrate and structured to exhibit different resistance states for storing data; and an upper contact plug disposed over the variable resistance element and coupled to the variable resistance element, wherein the upper contact plug includes a first portion that is disposed between an upper end of the upper contact plug and a lower end of the upper contact plug and the first portion has a width smaller than a width of each of the upper end and the lower end.

Abstract: An electronic device may include a semiconductor memory, and the semiconductor memory may include a variable resistance element. The variable resistance element may include a lower electrode; a spacer formed on a side surface of the lower electrode; and a variable resistance pattern disposed over the lower electrode, wherein a portion of the lower electrode covers a top surface of the spacer.

Abstract: This technology provides an electronic device and a method for fabricating the same. An electronic device in accordance with an implementation of this document may include a semiconductor memory, wherein the semiconductor memory may include: a variable resistance element disposed over a substrate and structured to exhibit different resistance states for storing data; and an upper contact plug disposed over the variable resistance element and coupled to the variable resistance element, wherein the upper contact plug includes a first portion that is disposed between an upper end of the upper contact plug and a lower end of the upper contact plug and the first portion has a width smaller than a width of each of the upper end and the lower end.