Patents by Inventor Chih-Yu Wang

Chih-Yu 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).

  • Publication number: 20150104895
    Abstract: A method for forming an integrated circuit having Micro-electromechanical Systems (MEMS) includes forming at least two recesses into a first layer, forming at least two recesses into a second layer, the at least two recesses of the second layer being complementary to the recesses of the first layer. An intermediate layer is bonded onto the second layer, the intermediate layer includes through-holes corresponding to the recesses of the second layer. The first layer is bonded to the intermediate layer such that cavities are formed, the cavities to act as operating environments for MEMS devices. The two cavities have different pressures.
    Type: Application
    Filed: December 19, 2014
    Publication date: April 16, 2015
    Inventors: Shyh-Wei Cheng, Jui-Chun Jui-Chen, Hsi-Cheng Hsu, Chih-Yu Wang, Jung-Kuo Tu, Che-Jung Chu, Yu-Ting Hsu
  • Patent number: 8960003
    Abstract: A Micro-Electro-Mechanical System (MEMS) device includes a sensing element, and a proof mass over and overlapping at least a portion of the sensing element. The proof mass is configured to be movable toward the sensing element. A protection region is formed between the sensing element and the proof mass. The protection region overlaps a first portion of the sensing element, and does not overlap a second portion of the sensing element, wherein the first and the second portions overlap the proof mass.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: February 24, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shyh-Wei Cheng, Yu-Ting Hsu, Hsi-Cheng Hsu, Chih-Yu Wang, Jui-Chun Weng, Che-Jung Chu
  • Patent number: 8916943
    Abstract: An integrated circuit device includes a first layer comprising at least two partial cavities, an intermediate layer bonded to the first layer, the intermediate layer formed to support at least two Micro-electromechanical System (MEMS) devices, and a second layer bonded to the intermediate layer, the second layer comprising at least two partial cavities to complete the at least two partial cavities of the first layer through the intermediate layer to form at least two sealed full cavities. The at least two full cavities have different pressures within.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: December 23, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shyh-Wei Cheng, Jui-Chun Weng, Hsi-Cheng Hsu, Chih-Yu Wang, Jung-Kuo Tu, Che-Jung Chu, Yu-Ting Hsu
  • Publication number: 20140246708
    Abstract: An integrated circuit device includes a first layer comprising at least two partial cavities, an intermediate layer bonded to the first layer, the intermediate layer formed to support at least two Micro-electromechanical System (MEMS) devices, and a second layer bonded to the intermediate layer, the second layer comprising at least two partial cavities to complete the at least two partial cavities of the first layer through the intermediate layer to form at least two sealed full cavities. The at least two full cavities have different pressures within.
    Type: Application
    Filed: March 1, 2013
    Publication date: September 4, 2014
    Inventors: Shyh-Wei Cheng, Jui-Chun Weng, Hsi-Cheng Hsu, Chih-Yu Wang, Jung-Kuo Tu, Che-Jung Chu, Yu-Ting Hsu
  • Publication number: 20140247779
    Abstract: A method of handling a resource exchange for a network comprises the steps of receiving at least one channel information report transmitted by at least one communication device pair, respectively; determining at least one resource exchange according to the at least one channel information report; and performing the at least one resource exchange on at least one first resource allocated to the at least one communication device pair and on at least one available resource at the network, to allocate at least one second resource to the at least one communication device pair.
    Type: Application
    Filed: February 26, 2014
    Publication date: September 4, 2014
    Applicant: ACER INCORPORATED
    Inventors: Hung-Yu Wei, Chih-Yu Wang, Ching-Chun Chou, Guan-Yu Lin
  • Patent number: 8427143
    Abstract: A fixing structure for signal wires of a resolver is disposable on an end face of a stator of the resolver. The fixing structure includes a circuit board, a fixing section disposed on the circuit board for connecting the circuit board to the end face of the stator, a connection terminal seat disposed on the circuit board, multiple connection sections formed through the circuit board in the form of holes, and multiple bridge circuits respectively arranged between the corresponding connection sections and the connection terminal seat for bridging the corresponding connection sections and the connection terminal seat.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: April 23, 2013
    Assignee: Hiwin Mikrosystem Corp.
    Inventors: Ming-Chih Lai, Chi-Lu Li, Chih-Yu Wang
  • Publication number: 20130068023
    Abstract: A Micro-Electro-Mechanical System (MEMS) device includes a sensing element, and a proof mass over and overlapping at least a portion of the sensing element. The proof mass is configured to be movable toward the sensing element. A protection region is formed between the sensing element and the proof mass. The protection region overlaps a first portion of the sensing element, and does not overlap a second portion of the sensing element, wherein the first and the second portions overlap the proof mass.
    Type: Application
    Filed: January 18, 2012
    Publication date: March 21, 2013
    Applicant: Taiwan Semiconductor Manufaturing Company, Ltd.
    Inventors: Shyh-Wei Cheng, Yu-Ting Hsu, Hsi-Cheng Hsu, Chih-Yu Wang, Jui-Chun Weng, Che-Jung Chu
  • Publication number: 20120267573
    Abstract: A method for making a fluorescent gold nano-material having a gold nanocluster and thiol ligands on a surface of the gold nanocluster includes reacting a mixture of a gold-containing compound, an alkyl alcohol, and a thiol compound.
    Type: Application
    Filed: November 10, 2011
    Publication date: October 25, 2012
    Inventors: Jau-Yann WU, Ting-Fan Chou, Huy-Zu Cheng, Shih-Han Wang, Li-Feng Liu, Chih-Yu Wang, Jia-Jung Wang, Wan-Nan U Chen, Chien-Fu Huang, Shen-Li Fu, Ta-Nung Hsieh
  • Publication number: 20120229124
    Abstract: A fixing structure for signal wires of a resolver is disposable on an end face of a stator of the resolver. The fixing structure includes a circuit board, a fixing section disposed on the circuit board for connecting the circuit board to the end face of the stator, a connection terminal seat disposed on the circuit board, multiple connection sections formed through the circuit board in the form of holes, and multiple bridge circuits respectively arranged between the corresponding connection sections and the connection terminal seat for bridging the corresponding connection sections and the connection terminal seat.
    Type: Application
    Filed: March 7, 2011
    Publication date: September 13, 2012
    Inventors: Ming-Chih Lai, Chi-Lu Li, Chih-Yu Wang
  • Patent number: 8159095
    Abstract: A hiding structure for positioning signal conversion mechanism of a torque motor, which includes a stator having a curvature center line, a rotor coaxially fitted with the stator, a positioning/detecting section disposed on the stator between the stator and the rotor for detecting movements of the motor and outputting corresponding analog signals and a signal conversion section for receiving the analog signals provided by the positioning/detecting section and converting the analog signals into digital signals and outputting the digital signals. The signal conversion section is fixed on an end face of one end of the stator in an insulated state.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: April 17, 2012
    Assignee: Hiwin Mikrosystem Corp.
    Inventors: Chin-Chia Liu, Chih-Yu Wang, Hsiao Shun-Hsing, Chi-Lu Li, Chih-Mao Shiao, Hsiang-Ju Wang
  • Publication number: 20110187356
    Abstract: A resolver unit including a first resolver and a second resolver. The first resolver includes a first rotor. A certain number of first rotor magnetic poles are annularly disposed on the first rotor at equal intervals. The second resolver includes a second rotor coaxial with the first rotor. A certain number of second rotor magnetic poles are annularly disposed on the second rotor at equal intervals. The number of the second rotor magnetic poles is different from the number of the first rotor magnetic poles.
    Type: Application
    Filed: February 2, 2010
    Publication date: August 4, 2011
    Inventors: Chi-Lu LI, Chih-Yu Wang, Shun-Hsing Hsiao, Hsiang-Ju Wang, Chin-Chia Liu
  • Publication number: 20110062810
    Abstract: A hiding structure for positioning signal conversion mechanism of a torque motor, which includes a stator having a curvature center line, a rotor coaxially fitted with the stator, a positioning/detecting section disposed on the stator between the stator and the rotor for detecting movements of the motor and outputting corresponding analog signals and a signal conversion section for receiving the analog signals provided by the positioning/detecting section and converting the analog signals into digital signals and outputting the digital signals. The signal conversion section is fixed on an end face of one end of the stator in an insulated state.
    Type: Application
    Filed: September 14, 2009
    Publication date: March 17, 2011
    Inventors: Chin-Chia Liu, Chih-Yu Wang, Hsiao Shun-Hsing, Chi-Lu Li, Chih-Mao Shiao, Hsiang-Ju Wang
  • Publication number: 20100295399
    Abstract: A motor frame structure including a hollow frame shell and an outer component received in the frame shell. The motor frame structure is characterized in that the frame shell has a tubular frame body in which the outer component is received. A locating section is integrally formed on the frame body for locating the outer component in the frame shell.
    Type: Application
    Filed: June 5, 2009
    Publication date: November 25, 2010
    Inventors: Chih-Yu Wang, Ming-Hung Hsieh
  • Patent number: 7467456
    Abstract: A method of arranging a resolver comprises the steps of: a, setting stator magnetic poles number of the resolver Ns as a number being in integral multiples (t) of a phase number q; b, figuring out rotor magnetic pole number Nr based on a formula; c, arranging the stator and the rotor based on the stator magnetic poles number of the resolver Ns and the rotor magnetic pole number Nr, and producing signals with phase differences.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: December 23, 2008
    Assignee: Hiwin Mikrosystem Corp.
    Inventors: Chia-Ming Chang, Chih-Yu Wang, Lieh-Feng Huang
  • Publication number: 20080169806
    Abstract: A Hall sensor for a coreless linear motor comprises a housing composed of a package segment and a foundation mutually integrated wherein a magnetic sensor and a signal conditioning circuit are packaged and embedded in the package segment by means of infusing resin wherein the signal conditioning circuit has an inductive signal transmission line attached thereto outgoing through an outlet hole provided at one side of the housing. The disclosed Hall sensor is provided for being fastened to a forcer of the linear motor. As the disclosed Hall sensor with an optimized arrangement of the inductive signal transmission line thereof, the present invention contributes to enhancing the precision and reliability of the Hall sensor.
    Type: Application
    Filed: January 16, 2007
    Publication date: July 17, 2008
    Inventors: Lieh-Feng Huang, Chih-Yu Wang
  • Publication number: 20080164774
    Abstract: A motor structure with a brake device comprises a base, a stator, a rotor, and a brake device. A hollow passage surface is formed in a side of the rotor, at a lower end of the hollow passage surface is formed a connecting portion, the brake device is located at the lower end of the base and connected to the connecting portion, so that the brake device is connected directly to the rotor. Since the brake device is directly connected to the connecting portion of the rotor, the number of components of the present invention is considerably reduced, thus reducing the cost while improving the assembly convenience and improving the operation stability of the motor.
    Type: Application
    Filed: January 9, 2007
    Publication date: July 10, 2008
    Inventor: Chih-Yu WANG
  • Publication number: 20080164773
    Abstract: A stator for a liquid cooling type direct drive motor comprises: annular base, silicon steel sheet, at least one metal cooling pipe, and coils. The stator is centrally provided with a rotor shaft with magnets. In the surface of the silicon steel sheet of the stator is formed a plurality of grooves, and the metal cooling pipe is continuously bent toward both sides and is positioned in the grooves of the silicon steel sheet and serves to enable coolant to circulate therein. Such arrangement simplifies the stator structure and can directly cool the silicon steel sheet, effectively and quickly lower the high temperature of the direct drive motor stator, and is compatible with the coolant passage system for an annular aluminum piece.
    Type: Application
    Filed: January 6, 2007
    Publication date: July 10, 2008
    Inventor: CHIH-YU WANG
  • Publication number: 20080164785
    Abstract: A positioning structure for a direct drive torque motor, on the fixed portion of the positioning bearing are formed a first positioning surface and a second positioning surface, and on the rotating portion of the positioning bearing is formed a reference surface. The first positioning surface is positioned against the base, the second positioning surface is positioned against the stator, and the reference surface is positioned against the optical scale. By arrangements, the base, the rotor, the stator, and the optical scale of the motor can be assembled precisely without the use of extra assistant mechanisms. Therefore, it not only saves the cost but also improve the assembly convenience and precision.
    Type: Application
    Filed: January 9, 2007
    Publication date: July 10, 2008
    Inventor: Chih-Yu WANG
  • Publication number: 20080150374
    Abstract: A coil arrangement for a shaft-type linear motor is disposed in a mover and comprises a plurality of insulating members and a plurality of coils. Each of the insulating members is at least defined in the center thereof with a stator passage. The stator passage is surrounded by an insulating ring with a receiving surface. An insulating flange protrudes from a side edge of the receiving surface, and a positioning notch is defined in the insulating flange. By such arrangements simplify the coil winding operation, and solve the problem of the conduction of the stator, and the dust accumulation in the coil.
    Type: Application
    Filed: December 24, 2006
    Publication date: June 26, 2008
    Inventors: CHIA-MING CHANG, Fang-Fang Tai, Chih-Yu Wang
  • Publication number: 20070205761
    Abstract: A method of arranging a resolver comprises the steps of: a, setting stator magnetic poles number of the resolver Ns as a number being in integral multiples (t) of a phase number q; b, figuring out rotor magnetic pole number Nr based on a formula; c, arranging the stator and the rotor based on the stator magnetic poles number of the resolver NS and the rotor magnetic pole number Nr, and producing signals with phase differences.
    Type: Application
    Filed: March 2, 2006
    Publication date: September 6, 2007
    Inventors: Chia-Ming Chang, Chih-Yu Wang, Lieh-Feng Huang