Patents by Inventor Wen-Hsiang Chang
Wen-Hsiang 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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Patent number: 12277977Abstract: A memory device and method of making the same are disclosed. The memory device includes transistor devices located in both a memory region and a logic region of the device. Transistor devices in the memory region include sidewall spacers having a first oxide layer over a side surface of a gate structure, a first nitride layer over the first oxide layer, a second oxide layer over the first nitride layer, and a second nitride layer over the second oxide layer. Transistor devices in the logic region include sidewall spacers having a first oxide layer over a side surface of a gate structure, a first nitride layer over the first oxide layer, and a second nitride layer over the first nitride layer.Type: GrantFiled: May 13, 2024Date of Patent: April 15, 2025Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Chen-Ming Huang, Wen-Tuo Huang, Yu-Hsiang Yang, Yu-Ling Hsu, Wei-Lin Chang, Chia-Sheng Lin, ShihKuang Yang, Yu-Chun Chang, Hung-Ling Shih, Po-Wei Liu, Shih-Hsien Chen
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Patent number: 12237437Abstract: A light-emitting package, includes: a housing including an opening; a lead frame covered by the housing; a light-emitting device, mounted in the opening and electrically connected to the lead frame, the light-emitting device including: a substrate including: a base with a main surface; and a plurality of protrusions on the main surface, wherein the protrusion and the base include different materials; a semiconductor stack on the main surface, the semiconductor stack including a side wall, and wherein an included angle between the side wall and the main surface is an obtuse angle; wherein the main surface includes a peripheral area not covered by the semiconductor stack, and the peripheral area is devoid of the protrusion formed thereon; and a filling material filling in the opening and covering the light-emitting device.Type: GrantFiled: February 17, 2022Date of Patent: February 25, 2025Assignee: EPISTAR CORPORATIONInventors: Li-Ming Chang, Tzung-Shiun Yeh, Chien-Fu Shen, Wen-Hsiang Lin, Pei-Chi Chiang, Yi-Wen Ku
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Publication number: 20250062158Abstract: A method for forming a semiconductor device structure is provided. The method includes providing a substrate having a base and a fin over the base. The method includes forming a first gate stack wrapped around the fin. The method includes forming a first gate spacer over a first sidewall of the first gate stack. The method includes partially removing the fin, which is not covered by the first gate stack and the first gate spacer. The method includes removing a first upper portion of the first gate stack to expose a second upper portion of the first gate spacer. The method includes removing the second upper portion of the first gate spacer. The method includes removing a first lower portion of the first gate stack and the fin originally wrapped by the first gate stack. The method includes forming a dielectric channel-cut structure in the trench.Type: ApplicationFiled: August 14, 2023Publication date: February 20, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wen-Li CHIU, Chia-Hao Kuo, Fu-Hsiang Su, Shih-Hsun Chang
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Publication number: 20250048647Abstract: In some embodiments, the present disclosure relates to a method of forming an integrated chip including forming a ferroelectric layer over a bottom electrode layer, forming a top electrode layer over the ferroelectric layer, performing a first removal process to remove peripheral portions of the bottom electrode layer, the ferroelectric layer, and the top electrode layer, and performing a second removal process using a second etch that is selective to the bottom electrode layer and the top electrode layer to remove portions of the bottom electrode layer and the top electrode layer, so that after the second removal process the ferroelectric layer has a surface that protrudes past a surface of the bottom electrode layer and the top electrode layer.Type: ApplicationFiled: October 21, 2024Publication date: February 6, 2025Inventors: Chih-Hsiang Chang, Kuo-Chi Tu, Sheng-Hung Shih, Wen-Ting Chu, Tzu-Yu Chen, Fu-Chen Chang
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Publication number: 20250043227Abstract: A microfluidic EP device for exogenous molecules transfection is disclosed that has high speed, high viability, and efficiency for collection of cells after EP. The microfluidic EP device has an EP chamber assembly, an adaptor, a pop up device, a syringe pump assembly, an EP controller, and a system controller. The EP chamber assembly has a MEMS nano channel plate, a MEMS cap, a cell cavity plate, and a cell cavity plate holder. The EP chamber assembly is connected to the pop up device through the adaptor. The pop up device may be an ultrasound vibrator or a motorized rotator. The MEMS cap has inlets/outlets for inputting/outputting cell solution, washing solution, transfected cells, exogenous material solution. The solution fluid is inputted/outputted by plastic tube and needle adaptor to the syringe pump assembly. All operation sequences are controlled by the system controller, which may perform batch operation continuously.Type: ApplicationFiled: July 31, 2023Publication date: February 6, 2025Inventors: Chein-Hsun WANG, Yun-Hsiang CHEN, Jyh-Yih LEU, Wen-Chie HUANG, Chin-Hsiang CHANG, Jenping KU, Ming-Tsung YANG
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Publication number: 20240023981Abstract: A thrombectomy device (100) comprising an aspiration pump (10), a catheter (20) and a valve (30) is provided. The aspiration pump (10) is for providing an negative pressure continuously or by interval. The catheter (20) having a distal end (23), mid portion (22) and a proximal end (21) and defining a longitudinal axis. The valve (30) connects between the aspiration pump (10) and the proximal end (21) of the catheter (20) or connects to the catheter (20). Wherein, the catheter (20) comprises at least one elastic area (24), which is compressed along the longitudinal axis in response to application of the negative pressure and expanded along the longitudinal axis in response to relieve of the negative pressure.Type: ApplicationFiled: October 15, 2020Publication date: January 25, 2024Applicant: TAIWAN BIOMATERIAL CO., LTD.Inventors: Chun-Jen LIAO, Wen-Hsiang CHANG, Jia-Yu CHANG, Wen-Hsi WANG
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Publication number: 20220218368Abstract: A thrombus removal device (100) comprising a catheter (10), at least one valve (20), and a shaft (30) is provided. The catheter (10) has a proximal end (12) and a distal end (11), and defines a longitudinal axis. The at least one valve (20) is positioned and movable longitudinally inside the catheter (10). The shaft (30) is connected with the proximal end (12) of the catheter (10), and comprises a driving mechanism and a wire (34). Wherein, the wire (34) is connected to the driving mechanism at one end and connected to the at least one valve (20) at an opposite end. The driving mechanism is configured to create a sudden movement of the at least one valve (20) toward the proximal end (12) of the catheter (10). By using the thrombus removal device (100), thrombus can be removed from the body of a subject more efficiently.Type: ApplicationFiled: August 7, 2020Publication date: July 14, 2022Applicant: Taiwan Biomaterial Co., Ltd.Inventors: Chun-Jen LIAO, Wen-Hsiang CHANG, Wen-Hsi WANG, Chua-Zu HUANG
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Publication number: 20150372521Abstract: The present invention provides a power bank comprising a battery protection board, controller board, and a host connector. The host connector is compatible with an accessory connector on a fast charger board, and the host connector is connected to the accessory connector for boosting the charging rate of the power bank. The fast charger board connected to the power bank may, for powering laptops and electric bicycles, elevate the output voltage of the power bank to 12V or above. The power bank may further connect with other external components, such as an LED module and a wireless transceiver module, in order to extend the functionality of the power bank.Type: ApplicationFiled: August 10, 2014Publication date: December 24, 2015Inventors: MING-CHIEH LIN, CHUN-LIANG YANG, WEN-HSIANG CHANG, JUNG KUO, MENG-KWEI HSU
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Publication number: 20150288219Abstract: The present invention relates to a portable power bank comprising a battery pack, a first control module and a second control module, wherein the battery pack further comprises at least two cells connected in series, and wherein the first control module and the second control module both electrically connected to a first terminal and a second terminal of the battery pack; the first controller is configured for regulating the DC input voltage for charging the battery pack and the second controller is configured for regulating the DC output voltage for charging an external device.Type: ApplicationFiled: July 1, 2014Publication date: October 8, 2015Inventors: MING-CHIEH LIN, CHUN-LIANG YANG, WEN-HSIANG CHANG, JUNG KUO, MENG-KWEI HSU
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Patent number: 9011917Abstract: One embodiment provides a method for enzymatic treatment, including the steps of forming a closed space on a local tissue area with a device and infusing an enzyme solution into the closed space for enzymatic treatment. The method according to the embodiment is capable of treating the local tissue area with enzymes for enhancing cell proliferation in the treated tissue area and preventing damage of the adjacent normal tissues. A device and kit used for the method are also provided.Type: GrantFiled: January 23, 2014Date of Patent: April 21, 2015Assignee: Industrial Technology Research InstituteInventors: Ching-Chuan Jiang, Chun-Jen Liao, Wen-Hsiang Chang, Huang-Chi Chen, Wei-Ju Liao, Wen-Hsi Wang
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Publication number: 20150079846Abstract: A power socket is to be electrically connected to an internal terminal of an electronic device and to be electrically and separably connected to a plug. The plug has a tubular interior surface and an exterior surface. The power socket includes a body, a central terminal, a first conductor, and a second conductor. The body includes a surrounding wall that has an inner surface defining an accommodating space. The central terminal is disposed in the accommodating space, and is electrically connected to the internal terminal. The first conductor is disposed on the inner surface and has a first elastic portion. The second conductor is electrically connected to the central terminal, and has a second elastic portion.Type: ApplicationFiled: April 25, 2014Publication date: March 19, 2015Applicant: Lausdeo CorporationInventors: Chun-Liang Yang, Wen-Hsiang Chang, Ming-Chieh Lin, Jung Kuo, Meng-Kwei Hsu
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Patent number: 8741615Abstract: A magnetic nanoparticle is provided in the disclosure. The magnetic nanoparticle includes a magnetic nanoparticle; a biocompatible polymer of the following formula (II) covalently coupled to the magnetic nanoparticle, wherein R1 is alkyl, aryl, carboxyl, or amino; n is an integer from 5 to 1000; and m is an integer from 1 to 10.Type: GrantFiled: August 30, 2012Date of Patent: June 3, 2014Assignee: Industrial Technology Research InstituteInventors: Wen-Hsiang Chang, Wen-Uan Hsieh, Shiu-Hua Huang, Chin-I Lin, Shian-Jy Jassy Wang, Kelly Teng
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Publication number: 20140142521Abstract: One embodiment provides a method for enzymatic treatment, including the steps of forming a closed space on a local tissue area with a device and infusing an enzyme solution into the closed space for enzymatic treatment. The method according to the embodiment is capable of treating the local tissue area with enzymes for enhancing cell proliferation in the treated tissue area and preventing damage of the adjacent normal tissues. A device and kit used for the method are also provided.Type: ApplicationFiled: January 23, 2014Publication date: May 22, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ching-Chuan JIANG, Chun-Jen LIAO, Wen-Hsiang CHANG, Huang-Chi CHEN, Wei-Ju LIAO, Wen-Hsi WANG
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Patent number: 8673636Abstract: One embodiment provides a method for enzymatic treatment, including the steps of forming a closed space on a local tissue area with a device and infusing an enzyme solution into the closed space for enzymatic treatment. The method according to the embodiment is capable of treating the local tissue area with enzymes for enhancing cell proliferation in the treated tissue area and preventing damage of the adjacent normal tissues. A device and kit used for the method are also provided.Type: GrantFiled: September 13, 2012Date of Patent: March 18, 2014Assignee: Industrial Technology Research InstituteInventors: Ching-Chuan Jiang, Chun-Jen Liao, Wen-Hsiang Chang, Huang-Chi Chen, Wei-Ju Liao, Wen-Hsi Wang
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Patent number: 8586095Abstract: A thermosensitive nanostructure for hyperthermia treatment. Magnetic nanoparticles are encapsulated in a thermosensitive polymer nanostructure having a lower critical solution temperature (LCST) of about 40-45° C. The thermosensitive polymer nanostructure may carry a drug. When the magnetic nanoparticles are heated to 40-45° C. by application of an alternating magnetic field in hyperthermia treatment, the thermosensitive polymer nanostructure collapses to release the drug, thus providing concurrent drug treatment.Type: GrantFiled: August 29, 2006Date of Patent: November 19, 2013Assignee: Industrial Technology Research InstituteInventors: Wen Hsiang Chang, Chao-Hung Kao, Chin-I Lin, Shian-Jy Wang
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Publication number: 20130236965Abstract: One embodiment provides a method for enzymatic treatment, including the steps of forming a closed space on a local tissue area with a device and infusing an enzyme solution into the closed space for enzymatic treatment. The method according to the embodiment is capable of treating the local tissue area with enzymes for enhancing cell proliferation in the treated tissue area and preventing damage of the adjacent normal tissues. A device and kit used for the method are also provided.Type: ApplicationFiled: September 13, 2012Publication date: September 12, 2013Inventors: Ching-Chuan JIANG, Chun-Jen LIAO, Wen-Hsiang CHANG, Huang-Chi CHEN, Wei-Ju LIAO, Wen-Hsi WANG
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Publication number: 20130172946Abstract: An implant module for dragging a bone fragment toward a bone is provided. The bone fragment has a first through hole, and the bone has a second through hole. The implant module includes a screw and a stud. The screw has a first section fixed to the bone fragment and a second section provided with a first external thread on its outer surface. The stud is provided with a second external thread on its outer surface for being screwed into the second through hole of the bone. An end of the stud has a screw hole for being screwed with the second section of the screw via the first external thread. A method of repairing avulsion fracture by using the implant module is further provided.Type: ApplicationFiled: August 3, 2012Publication date: July 4, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ching-Chuan Jiang, Chun-Jen Liao, Wen-Hsiang Chang, Shih-Jui Han, Yu-Ming Wang, Ying-Wen Shen
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Publication number: 20120329129Abstract: A magnetic nanoparticle is provided in the disclosure. The magnetic nanoparticle includes a magnetic nanoparticle; a biocompatible polymer of the following formula (II) covalently coupled to the magnetic nanoparticle, wherein R1 is alkyl, aryl, carboxyl, or amino; n is an integer from 5 to 1000; and m is an integer from 1 to 10.Type: ApplicationFiled: August 30, 2012Publication date: December 27, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Hsiang Chang, Wen-Uan Hsieh, Shiu-Hua Huang, Chin-I Lin, Shian-Jy Jassy Wang, Kelly Teng
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Publication number: 20110171715Abstract: The invention discloses a biocompatible polymer for covalently modifying magnetic nanoparticles. The biocompatible polymer may be coupled to a targeting agent and/or a fluorescent dye. The invention also discloses a magnetic nanoparticle with biocompatibilities comprising the biocompatible polymer.Type: ApplicationFiled: April 22, 2008Publication date: July 14, 2011Applicant: Industrial Technology Research InstituteInventors: Wen-Hsiang Chang, Wen-Uan Hsieh, Shiu-Hua Huang, Chin-1 Lin, Shian-Jy Jassy Wang, Kelly Teng
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Patent number: 7700193Abstract: A core-shell structure with magnetic, thermal, and optical characteristics. The optical absorption band is tailorable by choice of the mixing ratio of the core/shell component to give the desired shell thickness. The core-shell structure is particularly suitable for biomedical applications such as MRI (magnetic resonance imaging) developer, specific tissue identification developer, and magnetic thermal therapy.Type: GrantFiled: September 29, 2005Date of Patent: April 20, 2010Assignee: Industrial Technology Research InstituteInventors: Ming-Yao Chen, Wen-Hsiang Chang, Chin-I Lin, Shian-Jy Jassy Wang, Yuh-Jiuan Lin