Patents by Inventor Cheng-Yu Chou

Cheng-Yu Chou 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).

  • Publication number: 20240145596
    Abstract: A device includes a fin extending from a semiconductor substrate; a gate stack over the fin; a first spacer on a sidewall of the gate stack; a source/drain region in the fin adjacent the first spacer; an inter-layer dielectric layer (ILD) extending over the gate stack, the first spacer, and the source/drain region, the ILD having a first portion and a second portion, wherein the second portion of the ILD is closer to the gate stack than the first portion of the ILD; a contact plug extending through the ILD and contacting the source/drain region; a second spacer on a sidewall of the contact plug; and an air gap between the first spacer and the second spacer, wherein the first portion of the ILD extends across the air gap and physically contacts the second spacer, wherein the first portion of the ILD seals the air gap.
    Type: Application
    Filed: January 2, 2024
    Publication date: May 2, 2024
    Inventors: Su-Hao Liu, Kuo-Ju Chen, Kai-Hsuan Lee, I-Hsieh Wong, Cheng-Yu Yang, Liang-Yin Chen, Huicheng Chang, Yee-Chia Yeo, Syun-Ming Jang, Meng-Han Chou
  • Publication number: 20240120239
    Abstract: A method for modulating a threshold voltage of a device. The method includes providing a fin extending from a substrate, where the fin includes a plurality of semiconductor channel layers defining a channel region for a P-type transistor. In some embodiments, the method further includes forming a first gate dielectric layer surrounding at least three sides of each of the plurality of semiconductor channel layers of the P-type transistor. Thereafter, the method further includes forming a P-type metal film surrounding the first gate dielectric layer. In an example, and after forming the P-type metal film, the method further includes annealing the semiconductor device. After the annealing, and in some embodiments, the method includes removing the P-type metal film.
    Type: Application
    Filed: March 10, 2023
    Publication date: April 11, 2024
    Inventors: Cheng-Wei CHANG, Chi-Yu CHOU, Lun-Kuang TAN, Shuen-Shin LIANG
  • Publication number: 20240113143
    Abstract: Various embodiments of the present disclosure are directed towards an imaging device including a first image sensor element and a second image sensor element respectively comprising a pixel unit disposed within a semiconductor substrate. The first image sensor element is adjacent to the second image sensor element. A first micro-lens overlies the first image sensor element and is laterally shifted from a center of the pixel unit of the first image sensor element by a first lens shift amount. A second micro-lens overlies the second image sensor element and is laterally shifted from a center of the pixel unit of the second image sensor element by a second lens shift amount different from the first lens shift amount.
    Type: Application
    Filed: January 6, 2023
    Publication date: April 4, 2024
    Inventors: Cheng Yu Huang, Wen-Hau Wu, Chun-Hao Chuang, Keng-Yu Chou, Wei-Chieh Chiang, Chih-Kung Chang
  • Publication number: 20240105787
    Abstract: Embodiments of the present disclosure provide a method of forming a contact opening using selective ALE operations to remove ILD layer along an upper profile of a source/drain region, and then form a source/drain contact feature having a concave bottom profile with increased contact area.
    Type: Application
    Filed: February 1, 2023
    Publication date: March 28, 2024
    Inventors: Cheng-Wei CHANG, Shahaji B. MORE, Chi-Yu CHOU, Yueh-Ching PAI
  • Patent number: 11939268
    Abstract: A method of forming low-k material is provided. The method includes providing a plurality of core-shell particles. The core of the core-shell particles has a first ceramic with a low melting point. The shell of the core-shell particles has a second ceramic with a low melting point and a low dielectric constant. The core-shell particles are sintered and molded to form a low-k material. The shell of the core-shell particles is connected to form a network structure of a microcrystal phase.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: March 26, 2024
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuo-Chuang Chiu, Tzu-Yu Liu, Tien-Heng Huang, Tzu-Chi Chou, Cheng-Ting Lin
  • Publication number: 20240088182
    Abstract: 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: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: 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
  • Patent number: 11923386
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip. The integrated chip includes a first photodetector disposed in a first pixel region of a semiconductor substrate and a second photodetector disposed in a second pixel region of the semiconductor substrate. The second photodetector is laterally separated from the first photodetector. A first diffuser is disposed along a back-side of the semiconductor substrate and over the first photodetector. A second diffuser is disposed along the back-side of the semiconductor substrate and over the second photodetector. A first midline of the first pixel region and a second midline of the second pixel region are both disposed laterally between the first diffuser and the second diffuser.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Keng-Yu Chou, Chun-Hao Chuang, Kazuaki Hashimoto, Wei-Chieh Chiang, Cheng Yu Huang, Wen-Hau Wu, Chih-Kung Chang
  • Publication number: 20220161256
    Abstract: The present disclosure provides a biochemical test chip, including an electrode unit and a protective layer. The protective layer is electrically connected to the electrode unit. The protective layer is configured to oxidize the electrode unit after the electrode unit receives an electron or reduce the electrode unit after the electrode unit loses an electron. There is a potential difference (Ecell0) between the protecting layer and the electrode unit.
    Type: Application
    Filed: September 28, 2021
    Publication date: May 26, 2022
    Inventors: Cheng-Yu CHOU, Chen-Yu YANG
  • Publication number: 20220163476
    Abstract: The present disclosure provides a biochemical test chip, including an insulating substrate, an electrode unit, a first insulating septum, a reactive layer and a second insulating septum. The electrode unit is located on the insulating substrate. The electrode unit includes a working electrode and a counter electrode. A current density of the counter electrode is greater than a current density of the working electrode. The first insulating septum is located on the electrode unit. The first insulating septum has an opening, which at least partially exposes the electrode unit. The reactive layer is located in the opening and is electrically connected to the electrode unit. The second insulating septum is located on the first insulating septum.
    Type: Application
    Filed: June 4, 2021
    Publication date: May 26, 2022
    Inventors: Chen-Yu YANG, Cheng-Yu CHOU
  • Patent number: 9387519
    Abstract: A dewaxing device includes a dewaxing system which includes a rinsing device and a storage device connected with the rinsing device via a circulation pipe, and a recycling system which includes a containing trough connected with the storage device and a recycling trough connected between the containing trough and the storage device. The recycling system further includes a rotating device, a condensing unit and a heating unit which cooperate to treat mixed solution with wax into pure chemical solvent in the containing trough. The rotating device is rotatably mounted above the containing trough with the bottom half thereof being dived into the mixed solution. The condensing unit and the heating unit are disposed at two opposite sides of the top half of the rotating device. The rotating device is rotated towards the condensing unit.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: July 12, 2016
    Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.
    Inventors: Che Wei Hsu, Cheng Yu Chou, Cheng An Chiang, Chih Wei Cheng
  • Patent number: 9377163
    Abstract: A method of manufacturing a hydrogen storage device includes the steps: (1) mix metal powder, backbone binder and wetting agent to make a canister shell feedstock; (2) mix metal powder, salts, backbone binder and wetting agent to make a porous structure feedstock; (3) feed the canister shell feedstock in an injection molding machine to form a green part of canister shell; (4) feed the porous structure feedstock in the green part of canister shell to form a green part of porous structure integral with the green part of canister shell by injection molding; (5) dissolve the salts out of the green part of porous structure to form pores; (6) remove the wetting agent from the green parts of canister shell and porous structure; (7) remove the backbone binder from the green parts of canister shell and porous structure to form the hydrogen storage device.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: June 28, 2016
    Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.
    Inventors: Cheng Yu Chou, Che Wei Hsu, Chih Wei Cheng
  • Publication number: 20150047682
    Abstract: A dewaxing device and a method of recycling chemical solvent used by the dewaxing device are shown. The dewaxing device includes a dewaxing system and a recycling system. The dewaxing system includes a rinsing device and a storage device connected with the rinsing device via a circulation pipe. The recycling system includes a cooling equipment connected with the storage device for cooling mixed solution with wax from the storage device to precipitate wax out of the mixed solution, a filter equipment connected with the cooling equipment for filtering out the precipitated wax, and a recycling trough connected between the filter equipment and the storage device for containing the filtered solution passing through the filter equipment and further conveying the filtered solution back into the storage device to be reused.
    Type: Application
    Filed: August 19, 2013
    Publication date: February 19, 2015
    Applicant: Cheng Uei Precision Industry Co., Ltd.
    Inventors: CHENG YU CHOU, CHI-JU SU, CHENG AN CHIANG, CHIH WEI CHENG
  • Publication number: 20150047681
    Abstract: A dewaxing device includes a dewaxing system which includes a rinsing device and a storage device connected with the rinsing device via a circulation pipe, and a recycling system which includes a containing trough connected with the storage device and a recycling trough connected between the containing trough and the storage device. The recycling system further includes a rotating device, a condensing unit and a heating unit which cooperate to treat mixed solution with wax into pure chemical solvent in the containing trough. The rotating device is rotatably mounted above the containing trough with the bottom half thereof being dived into the mixed solution. The condensing unit and the heating unit are disposed at two opposite sides of the top half of the rotating device. The rotating device is rotated towards the condensing unit.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Cheng Uei Precision Industry Co., Ltd.
    Inventors: CHE WEI HSU, CHENG YU CHOU, CHENG AN CHIANG, CHIH WEI CHENG
  • Publication number: 20150034129
    Abstract: A dewaxing device and a method of dewaxing using the dewaxing device are shown. The dewaxing device includes a dewaxing system including a rinsing device and a storage device, and a recycling system connected with the storage device. The storage device includes a first solvent trough and a second solvent trough of which each is connected with the rinsing device and is equipped with a heating equipment. When the first solvent trough is connected with the rinsing device, the second solvent trough is disconnected with the rinsing device; when the second solvent trough is connected with the rinsing device, the first solvent trough is disconnected with the rinsing device. So, the dewaxing device can provide two dewaxing processes and effectively reduce recycling frequency because the recycling process is done after soluble wax quantity of bromopropane solvent reaches the maximum value 16%. The production cost is accordingly reduced.
    Type: Application
    Filed: August 5, 2013
    Publication date: February 5, 2015
    Applicant: Cheng Uei Precision Industry Co., Ltd.
    Inventors: CHENG YU CHOU, CHEN LUEN TSAI, CHE WEI HSU, CHIH WEI CHENG
  • Publication number: 20140334961
    Abstract: A method of manufacturing a hydrogen storage device includes the steps: (1) mix metal powder, backbone binder and wetting agent to make a canister shell feedstock; (2) mix metal powder, salts, backbone binder and wetting agent to make a porous structure feedstock; (3) feed the canister shell feedstock in an injection molding machine to form a green part of canister shell; (4) feed the porous structure feedstock in the green part of canister shell to form a. green part of porous structure integral with the green part of canister shell by injection molding; (5) dissolve the salts out of the green part of porous structure to form pores; (6) remove the wetting agent from the green parts of canister shell and porous structure; (7) remove the backbone binder from the green parts of canister shell and porous structure to form the hydrogen storage device.
    Type: Application
    Filed: May 10, 2013
    Publication date: November 13, 2014
    Applicant: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Cheng Yu CHOU, Che Wei HSU, Chih Wei CHENG
  • Publication number: 20140190354
    Abstract: A debinder trap for treating binder gas thermal-cracked in sintering process of metal injection molding includes a barrel body defining an inflow hole, a drain hole, an inlet and an outlet, baffles disposed in the barrel body to define a guide channel of which entrance and exit are communicated with the inlet and the outlet, and a temperature controller containing liquid material therein and connected with the barrel body via an inflow pipe and a drain pipe connecting in the inflow hole and the drain hole. An accommodating channel passes through the inside of the barrel body and extends from the inflow hole to the drain hole. The temperature controller conveys the liquid material in the accommodating channel to regulate internal environment of the barrel body into low-temperature to condense the binder gas through the guide channel into solid, and high-temperature to make the solid binder molten to sink.
    Type: Application
    Filed: January 4, 2013
    Publication date: July 10, 2014
    Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.
    Inventors: Cheng Yu Chou, Che Wei Hsu, Cheng An Chiang, Chih Wei Cheng
  • Publication number: 20140182456
    Abstract: A debinder trap for treating binder gas thermal-cracked in sintering process of metal injection molding includes a hollow barrel body having a barrel cover, a barrel wall and a barrel bottom, and a plurality of baffles disposed in the barrel body to define a guide channel. An inlet and an outlet are apart opened in the barrel cover. The entrance of the guide channel is communicated with the inlet of the barrel body and the exit of the guide channel is communicated with the outlet of the barrel body. The barrel body contains oil material therein. In use, the binder gas enters the barrel body through the inlet and flows along the guide channel for being adsorbed by the oil material and rapidly condensed into solid binder, and the solid binder is dissolved and precipitated in the oil material to make the oil material continue to adsorb the binder gas.
    Type: Application
    Filed: December 27, 2012
    Publication date: July 3, 2014
    Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.
    Inventors: Cheng Yu Chou, Che Wei Hsu, Chih Wei Cheng
  • Publication number: 20130315774
    Abstract: The present invention discloses a metal injection molding method, which is adapted to a mold having multiple mold cavities, and includes a feedstock preparation step, a molded articles ejection step, a classification and management step, a wax-based material removal step, a sintering step, and a compacting step. The classification and management step is to classify molded articles according to differences of the molded articles. The sintering step is to sinter the molded articles with sintering parameters. In this manner, tolerance caused by injection molding process is reduced because of the classification and management step and the sintering step, whereby further improving productive rate and quality of products produced from the mold with multiple mold cavities.
    Type: Application
    Filed: May 24, 2012
    Publication date: November 28, 2013
    Applicant: Cheng Uei Precision Industry Co., LTD.
    Inventors: CHIH-WEI CHENG, Cheng-Yu Chou, Te-Chang Chen
  • Publication number: 20130309623
    Abstract: A sintering chamber structure adapted to store multiple articles to be sintered in a sintering furnace, includes a first wall, a second wall, two side walls interconnecting the first and second walls, at least two supporting walls, and holding boards for holding the multiple articles. The two side walls and the first and second walls together define a storage space communicating outside. The two supporting walls correspondingly form a plurality of guiding grooves, wherein the first and second walls correspondingly form a pair of positioning slots communicating with the storage space, the at least two supporting walls are detachably inserted in the pairs of positioning slots, respectively, and the holding boards are inserted in corresponding guiding grooves. In this manner, the at least two supporting walls can adjust the inner space according to the sizes of the articles, whereby achieving the best yield of sintering.
    Type: Application
    Filed: May 17, 2012
    Publication date: November 21, 2013
    Applicant: Cheng Uei Precision Industry Co., LTD.
    Inventors: CHENG-YU CHOU, CHIH-WEI CHENG
  • Patent number: 7915979
    Abstract: The present invention discloses a switchable frequency response microwave filter, which uses voltage-controlled varactors to attain the separation or combination of the odd mode and even mode of signals in a dual-mode ring resonator to realize a bandpass or bandstop function and then controls the frequency response of the output filtered signals. Further, the present invention integrates different circuit architectures having bandpass and bandstop functions into a single circuit to reduce the complexity of the circuit.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: March 29, 2011
    Assignee: National Chung Cheng University
    Inventors: Sheng-Fuh Chang, Yi-Ming Chen, Cheng-Yu Chou