Patents by Inventor CHAO AN
CHAO AN 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: 8946828Abstract: A semiconductor device includes a semiconductor substrate; a gate stack overlying the substrate, a spacer formed on sidewalls of the gate stack, and a protection layer overlying the gate stack for filling at least a portion of a space surrounded by the spacer and the top surface of the gate stack. A top surface of the spacer is higher than a top surface of the gate stack.Type: GrantFiled: February 9, 2010Date of Patent: February 3, 2015Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Sey-Ping Sun, Tsung-Lin Lee, Chin-Hsiang Lin, Chih-Hao Chang, Chen-Nan Yeh, Chao-An Jong
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Publication number: 20150028954Abstract: A signal receiver includes a current source providing a current having a current value, a pair of active input devices, and a pair of resistors. Each active input device includes a control node, a first conduction node, and a second conduction node. One of the control nodes receives an input signal. The first conduction nodes are connected to each other and receive the current. One of the second conduction nodes serves as an output node. The active input devices output an output signal to a core circuit according to the current and the input signal. Each resistor has a resistance value. A target voltage value is determined according to the resistance value and the current value, such that a voltage swing of the output signal is limited within the target voltage value, and an operating voltage of the core circuit is substantially equal to the target voltage value.Type: ApplicationFiled: July 24, 2014Publication date: January 29, 2015Inventors: Eer-Wen Tyan, Yu-Chieh Hung, Jian-Feng Shiu, Chao-An Chen
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Publication number: 20140349808Abstract: In a hybrid transportation apparatus, a gas supply provides high-pressure hydrogen, which drives a turbine to generate first mechanical power and becomes medium-pressure hydrogen, which drives an air engine to generate second mechanical power and becomes low-pressure hydrogen. A fuel cell generates first electric power according to the low-pressure hydrogen. A heat recycling module recycles heat, which is generated by the fuel cell, to warm up the high-pressure hydrogen or the medium-pressure hydrogen. A generator receives the first mechanical power and generates second electric power. A motor generates third mechanical power according to the first and second electric power. A power output device causes movement of the transportation apparatus according to the second and third mechanical power. Thus, potential energy and chemical energy of the high-pressure hydrogen can be effectively utilized to generate the mechanical power and the electric power to move the transportation apparatus.Type: ApplicationFiled: August 8, 2013Publication date: November 27, 2014Applicant: NATIONAL TSING HUA UNIVERSITYInventors: Chih-Yung HUANG, Cheng-Kuo SUNG, Chin-Min LIU, Chao-An LIN
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Patent number: 8865500Abstract: A method of fabricating a MEMS microphone includes: first providing a substrate having a first surface and a second surface. The substrate is divided into a logic region and a MEMS region. The first surface of the substrate is etched to form a plurality of first trenches in the MEMS region. An STI material is then formed in the plurality of first trenches. Subsequently, the second surface of the substrate is etched to form a second trench in the MEMS region, wherein the second trench connects with each of the first trenches. Finally, the STI material in the first trenches is removed.Type: GrantFiled: February 3, 2010Date of Patent: October 21, 2014Assignee: United Microelectronics Corp.Inventors: Chien-Hsin Huang, Bang-Chiang Lan, Hui-Min Wu, Tzung-I Su, Chao-An Su, Tzung-Han Tan
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Publication number: 20140196600Abstract: An air engine includes a cylinder, a piston, a gas supply and an intake-exhaust mechanism. The gas supply supplies a compressed gas to move the piston reciprocating in the cylinder. The intake-exhaust mechanism connected to the cylinder and the gas supply includes a body and an intake-exhaust assembly. The body has a chamber, and an intake channel, an exhaust channel, an inlet port and an outlet port, which communicate with the chamber. The intake-exhaust assembly, rotatable within the chamber, controls the inlet port to be connected to the intake channel, and further controls the outlet port to be connected to the exhaust channel, so that the compressed gas enters the cylinder via the inlet port and the intake channel to drive the piston. After driving the piston, the compressed gas becomes an exhaust gas, which is exhausted from the cylinder via the exhaust channel and the outlet port.Type: ApplicationFiled: March 14, 2013Publication date: July 17, 2014Applicant: NATIONAL TSING HUA UNIVERSITYInventors: CHIH-YUNG HUANG, JHIH-JIE YOU, CHENG-KUO SUNG, CHAO-AN LIN
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Patent number: 8710601Abstract: A micro electro mechanical system (MEMS) structure is disclosed. The MEMS structure includes a backplate electrode and a 3D diaphragm electrode. The 3D diaphragm electrode has a composite structure so that a dielectric is disposed between two metal layers. The 3D diaphragm electrode is adjacent to the backplate electrode to form a variable capacitor together.Type: GrantFiled: November 19, 2009Date of Patent: April 29, 2014Assignee: United Microelectronics Corp.Inventors: Chien-Hsin Huang, Bang-Chiang Lan, Ming-I Wang, Hui-Min Wu, Tzung-I Su, Chao-An Su, Tzung-Han Tan, Min Chen, Meng-Jia Lin
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Publication number: 20140073128Abstract: A method for manufacturing metal lines in a semiconductor device is provided. The method includes steps of: providing a substrate; forming a first barrier layer on the substrate; forming a sacrificial layer on the first barrier layer; forming an opening penetrating through the sacrificial layer to expose a portion of the first barrier layer; depositing a metal material on the exposed first barrier layer to form a metal line in the opening; removing the sacrificial layer and forming a second barrier layer over the resulting structure; etching the second barrier layer and the first barrier layer while remaining a barrier spacer on a sidewall of the metal line; and forming an insulating layer on the substrate and the barrier spacer. A semiconductor device having the metal lines produced by the method is also provided.Type: ApplicationFiled: November 14, 2013Publication date: March 13, 2014Applicant: National Applied Research LaboratoriesInventor: Chao-An JONG
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Publication number: 20140035554Abstract: A driving circuit includes a first driving module, configured to operate at a first operating voltage in a first mode and configured to be deactivated in a second mode; and a second driving module, wherein at least part of the second driving module operates at a protection voltage in the first mode and operates at a second operating voltage in the second mode, wherein the second operating voltage and the protection voltage are lower than the first operating voltage.Type: ApplicationFiled: July 3, 2013Publication date: February 6, 2014Inventors: Hsian-Feng Liu, Eer-Wen Tyan, Chao-An Chen
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Patent number: 8642986Abstract: An integrated circuit (IC) having a microelectromechanical system (MEMS) device buried therein is provided. The integrated circuit includes a substrate, a metal-oxide semiconductor (MOS) device, a metal interconnect, and the MEMS device. The substrate has a logic circuit region and a MEMS region. The MOS device is located on the logic circuit region of the substrate. The metal interconnect, formed by a plurality of levels of wires and a plurality of vias, is located above the substrate to connect the MOS device. The MEMS device is located on the MEMS region, and includes a sandwich membrane located between any two neighboring levels of wires in the metal interconnect and connected to the metal interconnect.Type: GrantFiled: September 23, 2009Date of Patent: February 4, 2014Assignee: United Microelectronics Corp.Inventors: Tzung-Han Tan, Bang-Chiang Lan, Ming-I Wang, Tzung-I Su, Chien-Hsin Huang, Hui-Min Wu, Chao-An Su, Min Chen, Meng-Jia Lin
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Patent number: 8627949Abstract: A transmission mechanism includes a feeder, a belt furling module, a tension maintaining module, and a carrier belt. The tension maintaining module and the belt furling module are positioned on the feeder, and the carrier belt runs along the feeder, the tension maintaining module, and the belt furling module in that order. The tension maintaining module includes a base, a pivot shaft slidably positioned on the base, and an elastic member sleeved on the pivot shaft. When the carrier belt relaxes, the elastic member releases its compression force to drive the pivot shaft to move away relative to the base, thereby maintaining the tension force of the carrier belt. The disclosure also provides a surface mount device using the transmission mechanism, which reduces the likelihood of the carrier belt breaking or jamming, thereby promoting improved precision and yield rate of the surface mounted equipment.Type: GrantFiled: October 24, 2011Date of Patent: January 14, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Tsung-Chih Tsai, Chao-An Kang, Shang-Yu Lin
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Publication number: 20140008799Abstract: A metal line fabricating method includes the following steps. Firstly, a substrate is provided. Then, a first barrier layer is formed over the substrate. A first dielectric layer is formed over the first barrier layer. An opening is formed in the first dielectric layer, wherein the opening runs through the first dielectric layer, so that the first barrier layer is exposed to the opening. A metal deposition process is performed to form a metal line over the exposed first barrier layer at a bottom of the opening. The first dielectric layer and the first barrier layer underlying the first dielectric layer are removed, but the metal line and the first barrier layer underlying the metal line are remained. Afterwards, a second dielectric layer is formed over the substrate which is provided with the metal line and the first barrier layer.Type: ApplicationFiled: July 4, 2012Publication date: January 9, 2014Inventors: Chao-An Jong, Fu-Liang Yang
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Publication number: 20130284380Abstract: A feeder capable of transferring and separating an adhesive component on a tap, includes a frame, a separator, and a drive device. The frame has a top portion for supporting the tap. The separator is mounted to the frame to separate the adhesive component from the tap when the tap passes through the separator. The drive device drives the tap to pass through the separator.Type: ApplicationFiled: October 26, 2012Publication date: October 31, 2013Inventors: TSUNG-CHIH TSAI, SHANG-YU LIN, CHAO-AN KANG
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Publication number: 20130276992Abstract: A feeder capable of transferring and separating an adhesive component from a tap, includes a frame, a driven capstan device, a separating device, and a drive device. The driven capstan device is mounted to the frame. The separating device is mounted to the frame to separate the adhesive component from the tap. The drive device drives the tap to unwind from the driven capstan and transfer to the separating device to enable the separating device to separate the adhesive component.Type: ApplicationFiled: October 29, 2012Publication date: October 24, 2013Inventors: Tsung-Chih TSAI, Chao-An KANG, Shang-Yu LIN
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Patent number: 8565299Abstract: A method for processing an audio/video bit-stream includes the steps of receiving an input bit-stream, detecting whether the input bit-stream has a startcode emulation prevention pattern, and removing the startcode emulation prevention pattern from the input bit-stream to generate an output bit-stream and setting a flag signal as a first designated flag value when the startcode emulation prevention pattern is detected. The method further includes the step of detecting whether the input bit-stream includes a startcode, and directly outputting the input bit-stream and setting the flag signal as a second designated flag value when the startcode is detected.Type: GrantFiled: February 25, 2009Date of Patent: October 22, 2013Assignee: Realtek Semiconductor Corp.Inventors: Yi-Chen Tseng, Cheng-Ying Yu, Chao-An Hsieh
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Patent number: 8558336Abstract: A semiconductor photodetector structure is provided. The structure includes a substrate, a photodetecting element and a semiconductor layer disposed on the photodetecting element. The substrate includes a first semiconductor material and includes a deep trench. The surface of the deep trench includes a first type dopant. The photodetecting element is disposed in the deep trench. The photodetecting element includes a second semiconductor material. The semiconductor layer includes a second type dopant.Type: GrantFiled: August 17, 2009Date of Patent: October 15, 2013Assignee: United Microelectronics Corp.Inventors: Tzung-I Su, Bang-Chiang Lan, Chao-An Su, Hui-Min Wu, Ming-I Wang, Chien-Hsin Huang, Tzung-Han Tan, Min Chen, Meng-Jia Lin, Wen-Yu Su
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Patent number: 8522692Abstract: The present invention relates to the technical field of railroad passenger car, and more particularly relates to a sleeper compartment of a railroad passenger car. The sleeper compartment may be an open type or a private booth type, comprising: sidewalls, partition walls, and two columns of longitudinally arranged sleepers that are parallel with each other; each column of the longitudinally arranged sleepers is formed by no less than two sleepers that are joined together, the sleepers comprise an upper-sleeper layer and a lower-sleeper layer; one partition wall is provided between adjacent sleepers; the length direction of the longitudinally arranged sleepers is consistent with the length direction of the railroad passenger car; the longitudinally arranged sleepers at two sides are fixed to the sidewalls respectively, and a corridor is provided between two adjacent columns of longitudinally arranged sleepers.Type: GrantFiled: June 29, 2011Date of Patent: September 3, 2013Assignee: Tangshan Railway Vehicle Co., Ltd.Inventors: Bangcheng Sun, Chao An, Shunyin Cai, Huijun Liu
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Patent number: 8507996Abstract: An integrated circuit structure includes a semiconductor substrate; a gate stack overlying the semiconductor substrate; a gate spacer on a sidewall of the gate stack; a first contact plug having an inner edge contacting a sidewall of the gate spacer, and a top surface level with a top surface of the gate stack; and a second contact plug over and contacting the first contact plug. The second contact plug has a cross-sectional area smaller than a cross-sectional area of the first contact plug.Type: GrantFiled: May 27, 2010Date of Patent: August 13, 2013Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Sey-Ping Sun, Chih-Hao Chang, Chao-An Jong, Tsung-Lin Lee, Chung-Ju Lee, Chin-Hsiang Lin
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Patent number: 8502382Abstract: A protection structure of a pad is provided. The pad is disposed in a dielectric layer on a semiconductor substrate and the pad includes a connection region and a peripheral region which encompasses the connection region. The protection structure includes at least a barrier, an insulation layer and a mask layer. The barrier is disposed in the dielectric layer in the peripheral region. The insulation layer is disposed on the dielectric layer. The mask layer is disposed on the dielectric layer and covers the insulation layer and the mask layer includes an opening to expose the connection region of the pad.Type: GrantFiled: April 30, 2012Date of Patent: August 6, 2013Assignee: United Microelectronics Corp.Inventors: Bang-Chiang Lan, Ming-I Wang, Hui-Min Wu, Min Chen, Chien-Hsin Huang, Tzung-I Su, Chao-An Su, Tzung-Han Tan, Li-Che Chen, Meng-Jia Lin
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Patent number: 8430439Abstract: An exemplary surface mount machine nozzle includes a mounting element, a pneumatic suction nozzle and a fixing pin. The mounting element defines one of a pivot hole and an elongated perforation in a sidewall thereof. The pneumatic suction nozzle defines another one of the pivot hole and the elongated perforation therein. The fixing pin horizontally extends through the pivot hole and the perforation for connecting the mounting element and the pneumatic suction nozzle together. The fixing pin is slidable along the elongated perforation such that the pneumatic suction nozzle is telescopically slidable relative to the mounting element.Type: GrantFiled: October 20, 2011Date of Patent: April 30, 2013Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Tsung-Chih Tsai, Shang-Yu Lin, Chao-An Kang
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Patent number: 8410607Abstract: A semiconductor structure includes a transistor over a substrate, the transistor comprising a gate and a contact region, which is adjacent to the gate and within the substrate. A first dielectric layer is over the contact region. A contact structure is within the first dielectric layer and over the contact region. A first electrode and a second electrode are within the first dielectric layer, wherein at least one of the first electrode and the second electrode is over the contact structure. The first electrode and second electrodes may be laterally or vertically separated. A phase change structure is disposed between the first electrode and the second electrode. The phase change structure includes at least one spacer within the first dielectric layer and a phase change material (PCM) layer over the spacer.Type: GrantFiled: June 15, 2007Date of Patent: April 2, 2013Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Shau-Lin Shue, Chao-An Jong