Patents by Inventor An-Fei Hsu
An-Fei Hsu 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: 20240153823Abstract: A method includes depositing a high-k gate dielectric layer over and along sidewalls of a semiconductor fin. The method further includes depositing an n-type work function metal layer over the high-k gate dielectric layer and performing a passivation treatment on the high-k gate dielectric layer through the n-type work function metal layer. The passivation treatment comprises a remote plasma process. The method further includes depositing a fill metal over the n-type work function metal layer to form a metal gate stack over the high-k gate dielectric layer. The metal gate stack comprising the n-type work function metal layer and the fill metal.Type: ApplicationFiled: January 18, 2024Publication date: May 9, 2024Inventors: Pei Ying Lai, Chia-Wei Hsu, Cheng-Hao Hou, Xiong-Fei Yu, Chi On Chui
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Patent number: 11915979Abstract: A method includes depositing a high-k gate dielectric layer over and along sidewalls of a semiconductor fin. The method further includes depositing an n-type work function metal layer over the high-k gate dielectric layer and performing a passivation treatment on the high-k gate dielectric layer through the n-type work function metal layer. The passivation treatment comprises a remote plasma process. The method further includes depositing a fill metal over the n-type work function metal layer to form a metal gate stack over the high-k gate dielectric layer. The metal gate stack comprising the n-type work function metal layer and the fill metal.Type: GrantFiled: July 20, 2022Date of Patent: February 27, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Pei Ying Lai, Chia-Wei Hsu, Cheng-Hao Hou, Xiong-Fei Yu, Chi On Chui
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Patent number: 8999194Abstract: The present invention is to provide an etching solution capable of effectively reducing Galvanic effect, wherein the etching solution is obtained by way of dissolving an etchant and a nitrogen containing five-member heterocyclic compound in water. Thus, when at least one first metal (e.g., gold) and at least one second metal (e.g., copper) disposed on a substrate is treated with a wet etching process by using this etching solution, the nitrogen containing five-member heterocyclic compound would form an organic protecting film on the first metal having higher reduction potential, so as to effectively avoid the second metal from being over etched resulted from the Galvanic effect.Type: GrantFiled: February 24, 2014Date of Patent: April 7, 2015Assignee: E-Chem Enterprise Corp.Inventors: Cheng-Ying Tsai, Cheng-Kai Liao, Su-Fei Hsu
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Publication number: 20120088653Abstract: A method of providing solar cell electrode by electroless plating and an activator used therein are disclosed. The method of the present invention can be performed without silver paste, and comprises steps: (A) providing a silicon substrate; (B) contacting the silicon substrate with an activator, wherein the activator comprises: a noble metal or a noble metal compound, a thickening agent, and water; (C) washing the silicon substrate by a cleaning agent; (D) dipping the silicon substrate in an electroless nickel plating solution to perform electroless plating. The method of providing solar cell electrode by electroless plating of the present invention has high selectivity between silicon nitride and silicon, large working window, and is steady, easily to be controlled, therefore is suitable for being used in the fabrication of the electrodes of the solar cell substrate.Type: ApplicationFiled: December 20, 2011Publication date: April 12, 2012Applicant: E-CHEM ENTERPRISE CORP.Inventors: Chia Wei CHOU, Su-Fei Hsu, Michael Liu
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Publication number: 20110192316Abstract: An electroless nickel plating solution for solar cell electrode, which comprises SiNx and Si patterned structure, is disclosed. The electroless plating solution of the present invention comprises: nickel ion; a reducing agent; a first chelating agent; a second chelating agent; and water. The electroless plating solution of the present invention has high selectivity between Si and SiNx and is harmless to the aluminum-based layer, therefore is suitable for being used in the fabrication of the electrodes of the solar cell.Type: ApplicationFiled: January 26, 2011Publication date: August 11, 2011Applicant: E-CHEM ENTERPRISE CORP.Inventors: Chia Wei CHOU, Su-Fei HSU, Michael LIU
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Publication number: 20110195542Abstract: A method of providing solar cell electrode by electroless plating and an activator used therein are disclosed. The method of the present invention can be performed without silver paste, and comprises steps: (A) providing a silicon substrate; (B) contacting the silicon substrate with an activator, wherein the activator comprises: a noble metal or a noble metal compound, a thickening agent, and water; (C) washing the silicon substrate by a cleaning agent; (D) dipping the silicon substrate in an electroless nickel plating solution to perform electroless plating. The method of providing solar cell electrode by electroless plating of the present invention has high selectivity between silicon nitride and silicon, large working window, and is steady, easily to be controlled, therefore is suitable for being used in the fabrication of the electrodes of the solar cell substrate.Type: ApplicationFiled: January 26, 2011Publication date: August 11, 2011Applicant: E-CHEM ENTERPRISE CORP.Inventors: Chia Wei Chou, Su-Fei Hsu, Michael Liu
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Patent number: 7923957Abstract: A control method for motor driver includes: outputting a first signal from the controller to the first motor driver; making the first timer start to count for a first time; returning a first feedback signal from the first motor driver to the controller; dividing a value of a first count time of the first timer by two to get a value of a first delay time, wherein the first delay time is defined as the time of transmitting signals from the controller to the first motor driver; adding the value of the first delay time to the value of the first count time of the first timer to get a first sum; and transferring the first sum to the second timer to replace a value of a count time of the second timer.Type: GrantFiled: October 16, 2008Date of Patent: April 12, 2011Assignee: Foxnum Technology Co., Ltd.Inventors: Chia-Jung Yang, Fei-Hsu Chen
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Patent number: 7893634Abstract: The invention relates to a wireless manual pulse generator that includes a central processing unit, a magnification selector, a pulse generator, an axis selector, and a wireless transmission module. The magnification selector is electronically connected to the central processing unit. The pulse generator is electronically connected to the magnification selector. The axis selector is electronically connected to the central processing unit. The wireless transmission module is electronically connected to the central processing unit. The central processing unit is configured to process a signal generated from the magnification selector or the axis selector. The wireless transmission module is configured to deliver the signal processed by the central processing unit to a CNC machine via wireless communication.Type: GrantFiled: May 7, 2008Date of Patent: February 22, 2011Assignee: Foxnum Technology Co., Ltd.Inventors: Fei-Hsu Chen, Jhy-Hau Chiu
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Publication number: 20100231052Abstract: A power supply device for supplying power to an electronic device with an electronic tag includes a rectifying and voltage dividing apparatus, a power supply output module, a radio frequency identification (RFID) induction antenna, an RFID information processing module, and a control apparatus. The rectifying and voltage dividing apparatus is configured to rectify and divide an alternating current voltage to output a plurality of divided voltages. The RFID induction antenna is configured to receive information stored in the electronic tag. The RFID information processing module is configured to pick up a charging voltage value from the received information of the RFID induction antenna. The control apparatus is configured to compare the divided voltage values with the charging voltage value, and choose a divided voltage that equals to the charging voltage to provide to the electronic device.Type: ApplicationFiled: April 3, 2009Publication date: September 16, 2010Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventor: Fei-Hsu Chen
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Publication number: 20100185838Abstract: A processor assigning control system includes a first memory to store a plurality of control instructions and loading schedules, a second memory to temporarily store the plurality of control instructions and loading schedules, a real-time clock (RTC), and a main controller. The main controller includes a hardware detecting unit, a software obtaining unit, and a management unit. The RTC is configured for sending clock signal to make the hardware detecting unit detect whether a plurality of processors are in a normal state or an error state. The processor assigning control system is capable of detecting connection statues between the plurality of processor and a communication bus, and performance of the processors, to obtain and assign the control instructions to the corresponding processors to dynamically deploy the processors.Type: ApplicationFiled: March 29, 2009Publication date: July 22, 2010Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventor: FEI-HSU CHEN
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Publication number: 20100180267Abstract: A programmable logic controller (PLC) compiling system includes a ladder diagram loading unit, an instruction set loading unit storing instruction sets, an instruction compiling unit, an operating system loading unit storing dynamic link library (DLL) file templates based on a number of operating systems, and a DLL file compiling unit. The ladder diagram loading unit loads and stores predetermined ladder diagrams. The instruction compiling unit loads the predetermined ladder diagrams and the instruction sets, and compiles the predetermined ladder diagrams to a plurality of instructions corresponding to the instruction sets accordingly. The DLL file compiling unit loads the compiled instructions and the DLL file templates, and compiles the compiled instructions to a plurality of DLL files based on the DLL file templates to match the instruction sets accordingly.Type: ApplicationFiled: March 27, 2009Publication date: July 15, 2010Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventors: SHIH-HAO HUANG, FEI-HSU CHEN
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Publication number: 20100145484Abstract: A monitoring system includes at least one CNC device and a monitoring device. Each of the CNC devices includes a movement control unit, a first document module stores the IP address and the related parameters of the CNC device, a human machine interface (HMI) receives a first input instruction, and a controller reads the related parameters from the first document module according to the first input instruction and outputs a movement control instruction to the movement control unit, and stores the movement parameters in the first document module. The monitoring device includes a second document module stores the IP address of the CNC device and the movement parameters of the CNC device, a display device, a processor reads the movement parameters from the second document module according to a second input instruction, and displays the movement parameters via the display device.Type: ApplicationFiled: December 30, 2008Publication date: June 10, 2010Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventors: CHIA-JUNG YANG, FEI-HSU CHEN
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Patent number: 7731671Abstract: A massaging device particularly for a chair is provided. Owing to the provision of the rotative arms, the relative distance between the upper and lower massaging element pairs in the massaging device can be adjusted, and thus a massaging action imitating a human-made massaging action can be generated by the massaging device. Further, a relative protruding extent between the upper and lower massaging element pairs may be selected, and thus the foul-wheel or dual-wheel based pressing, rubbing and tapping actions can be provided when these massaging elements are operated with cooperation of a displacement mechanism and a control device. In addition, the provided massaging force can be adjusted to achieve a good massaging effect on the acupuncture points and strained muscles of the user.Type: GrantFiled: October 20, 2006Date of Patent: June 8, 2010Assignee: Industrial Technology Research InstituteInventors: Chuan-Chien Ting, Yung-Feng Nien, Shyuan Yueh Lin, Fei-Hsu Chen
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Publication number: 20090309533Abstract: A control method for motor driver includes: outputting a first signal from the controller to the first motor driver; making the first timer start to count for a first time; returning a first feedback signal from the first motor driver to the controller; dividing a value of a first count time of the first timer by two to get a value of a first delay time, wherein the first delay time is defined as the time of transmitting signals from the controller to the first motor driver; adding the value of the first delay time to the value of the first count time of the first timer to get a first sum; and transferring the first sum to the second timer to replace a value of a count time of the second timer.Type: ApplicationFiled: October 16, 2008Publication date: December 17, 2009Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventors: CHIA-JUNG YANG, FEI-HSU CHEN
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Publication number: 20090265652Abstract: A software magnifier operate method of a machine tool includes selecting a magnifier image button on an operate interface to execute a software magnifier program. A first position of the operate interface is selected for magnifying the first position into a first magnify area. A second position of the operate interface is selected for magnifies the second position into a second magnify area, and the first magnify area is closed simultaneously.Type: ApplicationFiled: December 7, 2008Publication date: October 22, 2009Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventors: CHIEN-CHUNG WU, FEI-HSU CHEN
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Publication number: 20090224871Abstract: A method for identifying operating authority of a worker comprising: electronically connecting an interrogator to a controller; providing a transponder in the possession of worker with data of operating authority stored in the transponder; the interrogator reading the data in the transponder and delivering the data to the controller. The controller determines a level of operating authority of the worker according to the data. The controller allowing access only to operating functions associated with the determined level of operating authority.Type: ApplicationFiled: May 7, 2008Publication date: September 10, 2009Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventors: JHY-HAU CHIU, FEI-HSU CHEN, CHING-CHENG YANG
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Publication number: 20090222911Abstract: An exemplary multi-user login method for a computer numerical control (CNC) machine includes: initializing a program installed in the CNC machine, thereby displaying a user selection interface on a screen of the CNC machine; a user inputting a user name and password on the user selection interface; the program of the CNC machine determining whether or not the user is registered based on the user name and password entered; if the user is registered, an operating system of the CNC machine loading a driver program installed in a motion control card of the CNC machine, and the driver program reading the user's personal information stored in the motion control card; and accessing a user operation interface of the registered user.Type: ApplicationFiled: April 9, 2008Publication date: September 3, 2009Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventors: YUE-WEN CHEN, FEI-HSU CHEN
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Publication number: 20090185516Abstract: The invention relates to a wireless manual pulse generator that includes a central processing unit, a magnification selector, a pulse generator, an axis selector, and a wireless transmission module. The magnification selector is electronically connected to the central processing unit. The pulse generator is electronically connected to the magnification selector. The axis selector is electronically connected to the central processing unit. The wireless transmission module is electronically connected to the central processing unit. The central processing unit is configured to process a signal generated from the magnification selector or the axis selector. The wireless transmission module is configured to deliver the signal processed by the central processing unit to a CNC machine via wireless communication.Type: ApplicationFiled: May 7, 2008Publication date: July 23, 2009Applicant: FOXNUM TECHNOLOGY CO., LTD.Inventors: FEI-HSU CHEN, JHY-HAU CHIU
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Publication number: 20090150727Abstract: An exemplary data transmission method is used in a data transmission system which has a data source, a data receiver, first, second, and third transmission lines connected between the data source and the data receiver. The data transmission method includes: the data source generating a checking code of a first byte and a second byte; transmitting the first byte, the second byte and the checking code from the data source to the data receiver via the first, second, and third transmission lines respectively; and the data receiver judging if the first byte, the second byte and the checking code are right, if right, transmission of the first byte and the second byte is complete, if one of the first byte and the second byte is wrong, and the checking code is right, the data receiver corrects the wrong byte via the checking code.Type: ApplicationFiled: March 14, 2008Publication date: June 11, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Shih-Hao Huang, Fei-Hsu Chen, Han-Chieh Chang, Chau-Lin Chang
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Patent number: 7513776Abstract: A patch panel includes a plurality of signal input terminals, an output module having a plurality of signal output terminals and at least one standby signal output terminal, and a plurality of adapter elements each having a base portion and a slide portion slidably mounted on the base portion. The base portion includes a first contact connected to a corresponding signal output terminal and at least one standby contact connected to the at least one standby signal output terminal. The slide portion includes a second contact connected to a corresponding signal input terminal. The second contact selectively electrically contacts the corresponding first contact or the at least one standby contact by sliding of the slide portion from an initial position to another position.Type: GrantFiled: December 20, 2007Date of Patent: April 7, 2009Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Fei-Hsu Chen, Tsann-Huei Chang, Han-Chieh Chang