Patents by Inventor Wen-Cheng Chang
Wen-Cheng Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240136428Abstract: Improved inner spacers for semiconductor devices and methods of forming the same are disclosed.Type: ApplicationFiled: January 2, 2024Publication date: April 25, 2024Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu
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Patent number: 11942543Abstract: A high-voltage semiconductor device structure is provided. The high-voltage semiconductor device structure includes a semiconductor substrate, a source ring in the semiconductor substrate, and a drain region in the semiconductor substrate. The high-voltage semiconductor device structure also includes a doped ring surrounding sides and a bottom of the source ring and a well region surrounding sides and bottoms of the drain region and the doped ring. The well region has a conductivity type opposite to that of the doped ring. The high-voltage semiconductor device structure further includes a conductor electrically connected to the drain region and extending over and across a periphery of the well region. In addition, the high-voltage semiconductor device structure includes a shielding element ring between the conductor and the semiconductor substrate. The shielding element ring extends over and across the periphery of the well region.Type: GrantFiled: June 29, 2022Date of Patent: March 26, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Chou Lin, Yi-Cheng Chiu, Karthick Murukesan, Yi-Min Chen, Shiuan-Jeng Lin, Wen-Chih Chiang, Chen-Chien Chang, Chih-Yuan Chan, Kuo-Ming Wu, Chun-Lin Tsai
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Publication number: 20240088182Abstract: In some embodiments, an image sensor is provided. The image sensor includes a photodetector disposed in a semiconductor substrate. A wave guide filter having a substantially planar upper surface is disposed over the photodetector. The wave guide filter includes a light filter disposed in a light filter grid structure. The light filter includes a first material that is translucent and has a first refractive index. The light filter grid structure includes a second material that is translucent and has a second refractive index less than the first refractive index.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Cheng Yu Huang, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Keng-Yu Chou, Wei-Chieh Chiang, Wen-Chien Yu, Ting-Cheng Chang, Wen-Hau Wu, Chih-Kung Chang
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Patent number: 11923432Abstract: A method of manufacturing a semiconductor device includes forming a multi-layer stack of alternating first layers of a first semiconductor material and second layers of a second semiconductor material on a semiconductor substrate, forming a first recess through the multi-layer stack, and laterally recessing sidewalls of the second layers of the multi-layer stack. The sidewalls are adjacent to the first recess. The method further includes forming inner spacers with respective seams adjacent to the recessed second layers of the multi-layer stack and performing an anneal treatment on the inner spacers to close the respective seams.Type: GrantFiled: January 3, 2023Date of Patent: March 5, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yoh-Rong Liu, Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu, Li-Chi Yu, Sen-Hong Syue
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Patent number: 11654441Abstract: A temperature-controlled tramp metal separation assembly includes a core rod and a magnetic set. The core rod is made of non-magnetic materials and includes a chamber, a first end with an air inlet, and a second end with an air outlet. The magnetic set includes a plurality of magnetic members and a plurality of spacers respectively disposed between the two adjacent magnetic members. The magnetic set is nested in the chamber in a way that an air path is formed therein so that an external cooling air flow can be introduced from the air inlet, and then discharged from the air outlet via the air path. Thus, the operating temperature of the tramp metal separating process can be maintained at an acceptable level, preventing the magnetic force of the magnet set from being reduced.Type: GrantFiled: February 24, 2021Date of Patent: May 23, 2023Assignee: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.Inventors: Shyh-Yi Wey, Wen-Cheng Chang, Ken-Der Lin, Bao-Ding Li, Kuen Ting Hsieh
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Publication number: 20230147141Abstract: A device for separating tramp metals from liquid raw materials includes a body unit, a holding unit, a magnetic unit, a rinsing unit, and a driving unit. The body unit includes a tank for feeding-in and feeding-out liquid raw materials. The holding unit is coupled to the tank and includes and a plurality of non-magnetic holders received in the tank. The magnetic unit is mounted on the tank and includes an enclosure haying a telescopic wall to be in a compressed or extended state. The rinsing unit is fixed on the interior of the tank to rinse the non-magnetic holders. The driving unit is coupled the tank and the magnetic unit for driving the magnet unit moving between a first and second positions. An assembly is assembled from the device. And a method is carried out by the device or the assembly.Type: ApplicationFiled: October 13, 2022Publication date: May 11, 2023Applicant: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.Inventors: Shyh-Yi WEY, Wen-Cheng CHANG, Ken-Der LIN, Bao-Ding LI, Fu-Wen HSIAO, Hung-Yu LIN, Yu-Hao WU, Huai-Hui HUANG, Yi-Lun LIN
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Patent number: 11628450Abstract: A tramp metal removing device has a primary housing to define a product flow path for being passed by a stream of raw materials and a moving path. A secondary housing is connected to the primary housing. A plurality of drawer units are sequentially stacked on the primary housing and secondary housing. Each drawer unit has a frame, a plurality of magnetic members and a scraping assembly. The frame is coupled with the primary and secondary housings in a movable way. Each of magnetic members is secured on the frame and has a magnetic section and a non-magnetic section. The scraping assembly is coupled with the frame in a way that it is only moveable in the secondary housing for removing tramp metals of a stream of raw materials in a two-stage manner.Type: GrantFiled: May 13, 2021Date of Patent: April 18, 2023Assignee: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.Inventors: Shyh-Yi Wey, Wen-Cheng Chang, Kuen Ting Hsieh, Ken-Der Lin, Bao-Ding Li, Rong-Huei Wang, Jia-Ying Hong, Fu-Chen Wang, Ho-Chi Kang
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Publication number: 20220313006Abstract: A beverage manufacturing machine includes a heating mechanism, a brewing mechanism and a cooling mechanism. The heating mechanism heats up drinking water and sends the hot drinking water to the brewing mechanism. There are two brewing mechanisms for brewing a hot drink, and the hot drink in a primary cooling bushing exchanges heat with room temperature water to realize a first cooling. The drink after the first cooling reaches a secondary cooling bushing to exchange heat with a low temperature coolant to realize a second cooling to produce an iced drink. The coolant after the heat exchange enters into a coolant buffer and then reflows to a coolant container, and a compressor drives the heat exchanger to lower the temperature of the coolant. Without requiring high skill, this machine makes good-tasted beverages with appropriate concentration or original iced liquid beverage with great aroma.Type: ApplicationFiled: January 18, 2021Publication date: October 6, 2022Inventor: Wen-Cheng CHANG
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Patent number: 11427639Abstract: The present disclosure provides an antibody-containing aqueous formulation, comprising a therapeutically effective amount of an anti-interleukin-6 receptor antibody, a protein stabilizer, a surfactant, and a buffer. The buffer is an acetate buffer or a histidine buffer, and the antibody-containing aqueous formulation has a pH ranging from 4.5 to 6.5.Type: GrantFiled: April 1, 2019Date of Patent: August 30, 2022Inventors: Jheng-Gang Yang, Jiung-Liang Liu, Wen-Cheng Chang
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Patent number: 11344894Abstract: A tramp metal separation assembly comprises a housing, a core rod and a sleeve tube. The housing includes a first and second discharging areas and a feeding area. The core rod includes a first and second non-magnetic sections and a magnetic section. The core rod is mounted on the housing in a way that the first and second non-magnetic sections correspond respectively to the first and second discharging areas and the magnetic section corresponds to the feeding area. The sleeve tube includes a first and second portions. The sleeve tube is sleeved outside the core rod in a way that it is moveable between a first position, wherein the first portion corresponds to the magnetic section and the second portion corresponds to the second non-magnetic section, and a second position, wherein the first portion corresponds to the first non-magnetic section and the second portion corresponds to the magnetic section.Type: GrantFiled: January 11, 2021Date of Patent: May 31, 2022Assignee: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.Inventors: Shyh-Yi Wey, Wen-Cheng Chang, Ken-Der Lin, Bao-Ding Li
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Publication number: 20220048043Abstract: A tramp metal removing device has a primary housing to define a product flow path for being passed by a stream of raw materials and a moving path. A secondary housing is connected to the primary housing. A plurality of drawer units are sequentially stacked on the primary housing and secondary housing. Each drawer unit has a frame, a plurality of magnetic members and a scraping assembly. The frame is coupled with the primary and secondary housings in a movable way. Each of magnetic members is secured on the frame and has a magnetic section and a non-magnetic section. The scraping assembly is coupled with the frame in a way that it is only moveable in the secondary housing for removing tramp metals of a stream of raw materials in a two-stage manner.Type: ApplicationFiled: May 13, 2021Publication date: February 17, 2022Applicant: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.Inventors: Shyh-Yi WEY, Wen-Cheng CHANG, Kuen Ting HSIEH, Ken-Der LIN, Bao-Ding LI, Rong-Huei WANG, Jia-Ying Hong, Fu-Chen WANG, Ho-Chi KANG
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Publication number: 20210393783Abstract: Provided are an aqueous pharmaceutical formulation comprising an antibody specific to the receptor of interleukin (IL)-6 (for example, Tocilizumab) and an effective amount of histidine for stabilizing the antibody. Said histidine is present in the aqueous pharmaceutical formulation at a concentration of 50 mM to 200 mM so as to achieve the stabilizing effect.Type: ApplicationFiled: October 24, 2019Publication date: December 23, 2021Inventors: Jheng-Gang Yang, Wen-Cheng Chang, Jiung-Liang Liu
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Publication number: 20210339268Abstract: A temperature-controlled tramp metal separation assembly includes a core rod and a magnetic set. The core rod is made of non-magnetic materials and includes a chamber, a first end with an air inlet, and a second end with an air outlet. The magnetic set includes a plurality of magnetic members and a plurality of spacers respectively disposed between the two adjacent magnetic members. The magnetic set is nested in the chamber in a way that an air path is formed therein so that an external cooling air flow can be introduced from the air inlet, and then discharged from the air outlet via the air path. Thus, the operating temperature of the tramp metal separating process can be maintained at an acceptable level, preventing the magnetic force of the magnet set from being reduced.Type: ApplicationFiled: February 24, 2021Publication date: November 4, 2021Applicant: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.Inventors: Shyh-Yi WEY, Wen-Cheng CHANG, Ken-Der LIN, Bao-Ding LI, Kuen Ting HSIEH
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Publication number: 20210316315Abstract: A tramp metal separation assembly comprises a housing, a core rod and a sleeve tube. The housing includes a first and second discharging areas and a feeding area. The core rod includes a first and second non-magnetic sections and a magnetic section. The core rod is mounted on the housing in a way that the first and second non-magnetic sections correspond respectively to the first and second discharging areas and the magnetic section corresponds to the feeding area. The sleeve tube includes a first and second portions. The sleeve tube is sleeved outside the core rod in a way that it is moveable between a first position, wherein the first portion corresponds to the magnetic section and the second portion corresponds to the second non-magnetic section, and a second position, wherein the first portion corresponds to the first non-magnetic section and the second portion corresponds to the magnetic section.Type: ApplicationFiled: January 11, 2021Publication date: October 14, 2021Applicant: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.Inventors: Shyh-Yi WEY, Wen-Cheng CHANG, Ken-Der LIN, Bao-Ding LI
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Publication number: 20200305635Abstract: An intelligent extraction beverage cooler comprises a casing and a heating cylinder installed in the casing, a hot liquid container, a cold liquid container, a pot lid, a pot lid lifting mechanism, and a cooling system with multiple connecting pipes. The pot lid lifting mechanism drives the pot lid to lower into the hot liquid container along with an ingredient bag. The heating cylinder heats up the liquid and transports it to the hot liquid container. The ingredient bag is extracted to produce a hot beverage which is made into an iced liquid beverage by the cooling system without affecting taste thereof. This avoids bitterness or rancid taste of the hot liquid beverage. Additionally, the pot lid lifting mechanism drives the pot lid to open for convenience of putting in the ingredient bag.Type: ApplicationFiled: December 27, 2019Publication date: October 1, 2020Inventor: Wen-Cheng Chang
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Publication number: 20200208909Abstract: A liquid cooler comprises a hot liquid container, a cold liquid container, a cooling sleeve, a heat exchanger and a plurality of connecting pipes. The hot liquid container communicates with the cooling sleeve through the connecting pipes. The cooling sleeve has a double-layer structure, the inner pipe of which is used for transporting a hot liquid and the outer pipe thereof is used for transporting cooling water. The cooling water cools the hot liquid in the inner pipe once forming a cold liquid, and the cold liquid passes through the connecting pipes to reach the cold liquid container. The heat exchanger cools the cold liquid for a second time forming an ice liquid. After the two-stage cooling, the hot liquid is made into an ice liquid beverage of required temperature avoiding the bitterness and rancidity of high-temperature liquid beverages.Type: ApplicationFiled: November 25, 2019Publication date: July 2, 2020Inventor: Wen-Cheng Chang
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Publication number: 20200179942Abstract: A magnetic separator includes two parallel and spaced magnetic rods. Each magnetic rod includes a non-magnetic tubular body with a longitudinal axis and a chamber, a plurality of magnetic members nested in the chamber, and a plurality of spacers made of high magnetic permeability materials and respectively disposed between the adjacent magnetic members. The magnetic members in each magnetic rod are disposed with like poles adjacent each other. Poles of the magnetic members in one magnetic rod are opposite to poles of the nearest adjacent magnetic members in another magnetic rod. The width of each magnetic member in the longitudinal axis of the tubular body is larger than that of each spacer so that a matrix type magnetic flux lines can be formed by the grate magnetic separator.Type: ApplicationFiled: May 8, 2019Publication date: June 11, 2020Applicant: KE HUANG CORP.Inventors: Wen-Cheng CHANG, Ken-Der LIN, Jie LIN, Bao-Ding LI
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Publication number: 20190300615Abstract: The present disclosure provides an antibody-containing aqueous formulation, comprising a therapeutically effective amount of an anti-interleukin-6 receptor antibody, a protein stabilizer, a surfactant, and a buffer. The buffer is an acetate buffer or a histidine buffer, and the antibody-containing aqueous formulation has a pH ranging from 4.5 to 6.5.Type: ApplicationFiled: April 1, 2019Publication date: October 3, 2019Inventors: JHENG-GANG YANG, JIUNG-LIANG LIU, WEN-CHENG CHANG
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Publication number: 20190067638Abstract: The present invention discloses an encapsulation layer structure including a first organic layer, an inorganic thin film, and a second organic layer. The first organic layer has a bottom surface and a first wavy surface opposite to the bottom surface. The first wavy surface has a plurality of peak portions and a plurality of valley portions, and the peak portions and valley portions are alternately arranged with each other. The inorganic thin film is conformally disposed on the first wavy surface of the first organic layer, and the inorganic thin film has a second wavy surface opposite to the first wavy surface. The second organic layer is over the second wavy surface of the inorganic thin film. This encapsulation layer structure may prevent the penetration of oxygen and moisture effectively.Type: ApplicationFiled: November 1, 2017Publication date: February 28, 2019Inventors: Ching-Yu HUANG, Ming-Hsiang LAI, Ying-Hung CHUANG, Yi-Fan NIU, Wen-Cheng CHANG
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Patent number: 9958002Abstract: A dust-proof safety hook contains: a body, a connection shaft, a returning element, a housing sleeve, a resilient element, a rotary sheath, and a positioning bolt. The body includes an accommodation space, an opening, a first segment, and a second segment. The connection shaft includes a first part and a second part, and the returning element is mounted between the body and the connection shaft. The housing sleeve includes a slot which has a limiting portion and two notches. The resilient element is fitted with the connection shaft, and the rotary sheath includes a through orifice and a cut. The positioning bolt is inserted into the through orifice of the rotary sheath and the limiting portion of the slot of the housing sleeve, such that the rotary sheath moves along the slot of the housing sleeve by way of the positioning bolt.Type: GrantFiled: July 18, 2016Date of Patent: May 1, 2018Assignee: Win Chance Metal Co., Ltd.Inventor: Wen-Cheng Chang