Patents by Inventor Li Chuan Wang
Li Chuan Wang 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: 11978773Abstract: A semiconductor device structure and a method for forming a semiconductor device structure are provided. The semiconductor device structure includes a stack of channel structures over a base structure. The semiconductor device structure also includes a first epitaxial structure and a second epitaxial structure sandwiching the channel structures. The semiconductor device structure further includes a gate stack wrapped around each of the channel structures and a backside conductive contact connected to the second epitaxial structure. A first portion of the backside conductive contact is directly below the base structure, and a second portion of the backside conductive contact extends upwards to approach a bottom surface of the second epitaxial structure. In addition, the semiconductor device structure includes an insulating spacer between a sidewall of the base structure and the backside conductive contact.Type: GrantFiled: March 25, 2021Date of Patent: May 7, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Shih-Chuan Chiu, Cheng-Chi Chuang, Chih-Hao Wang
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Patent number: 11953521Abstract: Provided is a probe card, comprising a guide plate and a shielding structure of single-layer or multi-layer. The guide plate comprises an upper surface, a lower surface, and at least one guide hole passing through the upper surface and the lower surface, and the guide hole is provided with an inner wall surface. At least one layer of the shielding structure is made of an electromagnetic absorption material or an electromagnetic reflection material, and the shielding structure is not connected to a ground. Each layer of the shielding structure is formed on the inner wall surface of the guide hole by means of atomic layer deposition or atomic layer etching, and a thickness of each layer is less than 1000 nm.Type: GrantFiled: August 10, 2022Date of Patent: April 9, 2024Assignee: BAO HONG SEMI TECHNOLOGY CO., LTD.Inventors: Chao-Cheng Ting, Li-Hong Lu, Huai-Yi Wang, Lung-Chuan Tsai
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Patent number: 11955515Abstract: A semiconductor device with dual side source/drain (S/D) contact structures and a method of fabricating the same are disclosed. The method includes forming a fin structure on a substrate, forming a superlattice structure on the fin structure, forming first and second S/D regions within the superlattice structure, forming a gate structure between the first and second S/D regions, forming first and second contact structures on first surfaces of the first and second S/D regions, and forming a third contact structure, on a second surface of the first S/D region, with a work function metal (WFM) silicide layer and a dual metal liner. The second surface is opposite to the first surface of the first S/D region and the WFM silicide layer has a work function value closer to a conduction band energy than a valence band energy of a material of the first S/D region.Type: GrantFiled: July 28, 2022Date of Patent: April 9, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Shih-Chuan Chiu, Chia-Hao Chang, Cheng-Chi Chuang, Chih-Hao Wang, Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Yu-Ming Lin
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Patent number: 11955552Abstract: A semiconductor device structure includes a source/drain feature comprising a first surface, a second surface opposing the first surface, and a sidewall connecting the first surface to the second surface. The structure also includes a dielectric layer having a continuous surface in contact with the entire second surface of the source/drain feature, a semiconductor layer having a first surface, a second surface opposing the first surface, and a sidewall connecting the first surface to the second surface, wherein the sidewall of the semiconductor layer is in contact with the sidewall of the source/drain feature. The structure also includes a gate dielectric layer in contact with the continuous surface of the dielectric layer and the second surface of the semiconductor layer, and a gate electrode layer surrounding a portion of the semiconductor layer.Type: GrantFiled: November 14, 2022Date of Patent: April 9, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Li-Zhen Yu, Huan-Chieh Su, Shih-Chuan Chiu, Lin-Yu Huang, Cheng-Chi Chuang, Chih-Hao Wang
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Patent number: 11795675Abstract: A smart sanitary system and a control method thereof are provided. A fixed display, a movable display, a shower unit and a toilet unit are provided. Motion of the movable display is controlled relative to the fixed display. The operation of the shower unit or the toilet unit is controlled according to the position of the movable display. Accordingly, a diversified space is provided, and the operation of sanitary equipment is triggered with the variation of the space.Type: GrantFiled: August 27, 2019Date of Patent: October 24, 2023Assignee: COMPAL ELECTRONICS, INC.Inventors: Kai-Yi Chen, Chia-Shin Weng, Li-Chuan Wang, Chiao-Tsu Chiang, Sheng-Chieh Tang
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Patent number: 11258892Abstract: A communication signal transform device and a communication signal transform method are provided. The communication signal transform method includes: disposing the mobile device detachably in a case having an exposed portion, and exposing a display of the mobile device from the case through the exposed portion; and generating an output signal supported by the mobile device in response to a signal received from an external telephone line, and transmitting the output signal to the mobile device.Type: GrantFiled: May 21, 2019Date of Patent: February 22, 2022Assignee: COMPAL ELECTRONICS, INC.Inventors: Li-Chuan Wang, Che-Wei Liang, Kun-Hsuan Chang, Sheng-Chieh Tang, Jung-Ming Hung
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Patent number: 10883730Abstract: The disclosure provides a smart water supplying method and a smart water supply. The method includes: detecting an external object to obtain a plurality of detection data; estimating at least one characteristic data of the external object according to the detection data; determining at least one water supplying signal according to the characteristic data of the external object; and providing a real stream according to the water supplying signal.Type: GrantFiled: November 25, 2018Date of Patent: January 5, 2021Assignee: COMPAL ELECTRONICS, INC.Inventors: Li-Chuan Wang, Sheng-Chieh Tang, Tso-I Kuei, Jung-Ming Hung
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Patent number: 10795387Abstract: A water temperature control system and a water temperature control method are provided. The water temperature control system includes a thermostatic spool, a temperature sensor, a controller, and a stepper motor. The thermostatic spool is configured to mix water at a first temperature and water at a second temperature to produce output water. The temperature sensor is configured to sense a current water temperature of the output water based on a sensing frequency to provide a current water temperature signal. The controller is configured to provide a step number control signal according to a target water temperature signal and a current water temperature signal. Based on a step frequency greater than the sensing frequency, the stepper motor is configured to provide a step number according to a step number control signal to adjust a flow rate of the water at the first temperature and a flow rate of the water at the second temperature.Type: GrantFiled: January 31, 2019Date of Patent: October 6, 2020Assignee: COMPAL ELECTRONICS, INC.Inventors: Tso-I Kuei, Li-Chuan Wang
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Publication number: 20200087908Abstract: A smart sanitary system and a control method thereof are provided. A fixed display, a movable display, a shower unit and a toilet unit are provided. Motion of the movable display is controlled relative to the fixed display. The operation of the shower unit or the toilet unit is controlled according to the position of the movable display. Accordingly, a diversified space is provided, and the operation of sanitary equipment is triggered with the variation of the space.Type: ApplicationFiled: August 27, 2019Publication date: March 19, 2020Applicant: COMPAL ELECTRONICS, INC.Inventors: Kai-Yi Chen, Chia-Shin Weng, Li-Chuan Wang, Chiao-Tsu Chiang, Sheng-Chieh Tang
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Publication number: 20190373097Abstract: A communication signal transform device and a communication signal transform method are provided. The communication signal transform method includes: disposing the mobile device detachably in a case having an exposed portion, and exposing a display of the mobile device from the case through the exposed portion; and generating an output signal supported by the mobile device in response to a signal received from an external telephone line, and transmitting the output signal to the mobile device.Type: ApplicationFiled: May 21, 2019Publication date: December 5, 2019Applicant: COMPAL ELECTRONICS, INC.Inventors: Li-Chuan Wang, Che-Wei Liang, Kun-Hsuan Chang, Sheng-Chieh Tang, Jung-Ming Hung
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Publication number: 20190250652Abstract: A water temperature control system and a water temperature control method are provided. The water temperature control system includes a thermostatic spool, a temperature sensor, a controller, and a stepper motor. The thermostatic spool is configured to mix water at a first temperature and water at a second temperature to produce output water. The temperature sensor is configured to sense a current water temperature of the output water based on a sensing frequency to provide a current water temperature signal. The controller is configured to provide a step number control signal according to a target water temperature signal and a current water temperature signal. Based on a step frequency greater than the sensing frequency, the stepper motor is configured to provide a step number according to a step number control signal to adjust a flow rate of the water at the first temperature and a flow rate of the water at the second temperature.Type: ApplicationFiled: January 31, 2019Publication date: August 15, 2019Applicant: COMPAL ELECTRONICS, INC.Inventors: Tso-I Kuei, Li-Chuan Wang
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Publication number: 20190162426Abstract: The disclosure provides a smart water supplying method and a smart water supply. The method includes: detecting an external object to obtain a plurality of detection data; estimating at least one characteristic data of the external object according to the detection data; determining at least one water supplying signal according to the characteristic data of the external object; and providing a real stream according to the water supplying signal.Type: ApplicationFiled: November 25, 2018Publication date: May 30, 2019Applicant: COMPAL ELECTRONICS, INC.Inventors: Li-Chuan Wang, Sheng-Chieh Tang, Tso-I Kuei, Jung-Ming Hung
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Patent number: 8328540Abstract: A structural improvement of submersible cooling pumps, especially a submersible cooling pump that is capable of enhancing the stability and extending service life, comprising a motor set, an impeller set and a stud set, characterized in that in said motor set, there are provided on the motor casing a top plate, disposed on which is a fan with orifices, and a motor cover having sight holes and cross-shaped ventilating holes that spreads all over the cover, disposed on top of said fan, and a protection cover with a small elastic plate provided to cloak said motor cover which is screw fastened to said motor casing; the lower end of said motor casing fits on the upper rim of the trough of a fixing base, and is fastened onto the fixing hole base of said fixing base; on said fixing base an outlet port and shaft hole are provided, and by both sides of said shaft hole an ingress of water and a positioning hole that permits the screw fastening of another element are provided; said impeller set combines and fastening aType: GrantFiled: March 4, 2010Date of Patent: December 11, 2012Inventor: Li-Chuan Wang
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Publication number: 20110217193Abstract: A structural improvement of submersible cooling pumps, especially a submersible cooling pump that is capable of enhancing the stability and extending service life, comprising a motor set, an impeller set and a stud set, characterized in that in said motor set, there are provided on the motor casing a top plate, disposed on which is a fan with orifices, and a motor cover having sight holes and cross-shaped ventilating holes that spreads all over the cover, disposed on top of said fan, and a protection cover with a small elastic plate provided to cloak said motor cover which is screw fastened to said motor casing; the lower end of said motor casing fits on the upper rim of the trough of a fixing base, and is fastened onto the fixing hole base of said fixing base; on said fixing base an outlet port and shaft hole are provided, and by both sides of said shaft hole an ingress of water and a positioning hole that permits the screw fastening of another element are provided; said impeller set combines and fastening aType: ApplicationFiled: March 4, 2010Publication date: September 8, 2011Inventor: LI CHUAN WANG
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Patent number: 4018755Abstract: Vegetable seed flakes, meal, and the like prepared for extraction in the normal manner were treated with ultrasonic waves solubilizing the protein which was then recovered from solution. From about 50 to 100 percent of the total protein contained in toasted soy flakes was extracted in this manner.Type: GrantFiled: May 12, 1975Date of Patent: April 19, 1977Assignee: The United States of America as represented by the Secretary of AgricultureInventor: Li Chuan Wang
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Patent number: D558232Type: GrantFiled: November 9, 2006Date of Patent: December 25, 2007Inventor: Li-Chuan Wang