Patents by Inventor Chih-Chiang Wu
Chih-Chiang Wu 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: 8400967Abstract: An evolved NodeB eNB, a first relay node (RN) and a connection initialization method thereof for use in a long term evolution (LTE) network are provided. The LTE network comprises the eNB, the first RN, a second RN and a mobility management entity (MME). In the LTE network of the present invention, various multi-hop protocols can be achieved by using different identification mapping implementations.Type: GrantFiled: August 18, 2010Date of Patent: March 19, 2013Assignee: Institute for Information IndustryInventors: Chih-Chiang Wu, Kanchei Loa, Shu-Tsz Liu
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Patent number: 8222113Abstract: A method for forming a metal-oxide-semiconductor (MOS) device includes at least steps of forming a pair of trenches in a substrate at both sides of a gate structure, filling the trenches with a silicon germanium layer by a selective epitaxy growth process, forming a cap layer on the silicon germanium layer by a selective growth process, and forming a pair of source/drain regions by performing an ion implantation process. Hence, the undesirable effects caused by ion implantation can be mitigated.Type: GrantFiled: May 20, 2009Date of Patent: July 17, 2012Assignee: United Microelectronics Corp.Inventors: Shyh-Fann Ting, Shih-Chieh Hsu, Cheng-Tung Huang, Chih-Chiang Wu, Wen-Han Hung, Meng-Yi Wu, Li-Shian Jeng, Chung-Min Shih, Kun-Hsien Lee, Tzyy-Ming Cheng
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Patent number: 8076194Abstract: A method of fabricating a MOS transistor is disclosed. The method includes the steps of: providing a semiconductor substrate; forming at least a gate on the semiconductor substrate; forming a protective layer on the semiconductor substrate, and the protective layer covering the surface of the gate; forming at least a recess within the semiconductor substrate adjacent to the gate; forming an epitaxial layer in the recess, wherein the top surface of the epitaxial layer is above the surface of the semiconductor substrate; and forming a spacer on the sidewall of the gate and on a portion of the epitaxial layer, wherein a contact surface of the epitaxial layer and the spacer is above the surface of the semiconductor substrate.Type: GrantFiled: May 18, 2010Date of Patent: December 13, 2011Assignee: United Microelectronics Corp.Inventors: Chu-Yin Tseng, Shih-Chieh Hsu, Chih-Chiang Wu, Shyh-Fann Ting, Po-Lun Cheng, Hsuan-Hsu Chen
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Publication number: 20110081914Abstract: The present invention relates to a resource allocation apparatus, subscriber station, resource allocation method, and non-transitory computer readable medium thereof. The resource allocation apparatus may know the unoccupied partition of the wireless network resource and allocate the unoccupied partition to the SS of the femtocell network. Thereby, the SS of the femtocell network will not occupy the same network resource of the macro BS or other femto SS, and interference of between femtocell and macrocell or other femtocell is reduced effectively.Type: ApplicationFiled: October 6, 2010Publication date: April 7, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Yi-Ting LIN, Tsung-Yu TSAI, Yung-Lan TSENG, Shao-Yu LIEN, Kwang-Cheng CHEN, Chih-Chiang WU, Kanchei LOA
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Publication number: 20110044249Abstract: An evolved NodeB eNB, a first relay node (RN) and a connection initialization method thereof for use in a long term evolution (LTE) network are provided. The LTE network comprises the eNB, the first RN, a second RN and a mobility management entity (MME). In the LTE network of the present invention, various multi-hop protocols can be achieved by using different identification mapping implementations.Type: ApplicationFiled: August 18, 2010Publication date: February 24, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Chih-Chiang WU, Kanchei LOA, Shu-Tsz LIU
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Publication number: 20110019695Abstract: Wireless communication apparatuses, header compression methods thereof, and header decompression method thereof are provided. The header compression method enables the transceiver to establish a tunnel for a user equipment, enables the processing unit to receive a first packet, enables the processing unit to generate a second packet comprising an outer header set and the first packet, enables the processing unit to replace the outer header set of the second packet with a replaced header, and enables the transceiver to transmit the second packet by the tunnel according to an identity recorded in the replaced header. The header decompression method decompresses the header compressed by the header compression method.Type: ApplicationFiled: July 27, 2010Publication date: January 27, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Chih-Chiang WU, Kanchei LOA, Shu-Tsz LIU
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Publication number: 20100322147Abstract: A relay station and a backhaul connection method thereof are provided. The relay station adopts an NAS mechanism. A wireless communication system comprises the relay station, a base station, and a core network. The relay station comprises a processing unit and a transceiver. The processing unit enters a first state of the NAS mechanism after the relay station creates a radio connection with the core network. The transceiver transmits a backhaul connection request to the base station after the relay station enters the first state. The processing unit then enters a second state of the NAS mechanism after the transmission of the backhaul connection request. The transceiver then receives a backhaul connection response from the base station after the transmission of the backhaul connection request. The processing unit then enters the first state after the receipt of the backhaul connection response.Type: ApplicationFiled: June 23, 2010Publication date: December 23, 2010Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shu-Tsz LIU, Chih-Chiang WU, Kanchei LOA
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Publication number: 20100322148Abstract: A base station and an attaching method thereof are provided. A relay network system comprises the base station, a relay station and a core network. The base station is connected with the core network via a backhaul link. The base station comprises a processing unit and a transceiver. The processing unit is configured to setup a communication link procedure between the relay station and the core network corresponding to a link request from the relay station, and to create a mapping table for connecting the relay station and the core network. The transceiver is configured to forward network packets and control signals between the relay station and the core network based on the mapping table.Type: ApplicationFiled: June 23, 2010Publication date: December 23, 2010Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shu-Tsz LIU, Chih-Chiang WU, Kanchei LOA
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Publication number: 20100322146Abstract: A relay station and a backhaul control communication thereof are provided. A wireless communication system comprises the relay station, a base station, and a core network. The relay station is wirelessly connected to the base station, while the base station is wiredly connected to the core network. The relay station comprises a processing unit and a transceiver. The processing unit is configured to create a radio link having a control plane connection between the relay station and the base station and create a backhaul link between the relay station and the base station by the control plane connection of the radio link. The transceiver is configured to transmit a backhaul control message to the core network via the backhaul link.Type: ApplicationFiled: June 23, 2010Publication date: December 23, 2010Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shu-Tsz LIU, Chih-Chiang WU, Kanchei LOA, Chun-Yen HSU
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Publication number: 20100227445Abstract: A method of fabricating a MOS transistor is disclosed. The method includes the steps of: providing a semiconductor substrate; forming at least a gate on the semiconductor substrate; forming a protective layer on the semiconductor substrate, and the protective layer covering the surface of the gate; forming at least a recess within the semiconductor substrate adjacent to the gate; forming an epitaxial layer in the recess, wherein the top surface of the epitaxial layer is above the surface of the semiconductor substrate; and forming a spacer on the sidewall of the gate and on a portion of the epitaxial layer, wherein a contact surface of the epitaxial layer and the spacer is above the surface of the semiconductor substrate.Type: ApplicationFiled: May 18, 2010Publication date: September 9, 2010Inventors: Chu-Yin Tseng, Shih-Chieh Hsu, Chih-Chiang Wu, Shyh-Fann Ting, Po-Lun Cheng, Hsuan-Hsu Chen
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Patent number: 7745847Abstract: The present invention provides a method for fabricating a metal oxide semiconductor transistor. First, a semiconductor substrate is provided and at least a gate is formed on the semiconductor substrate. A protective layer is then formed on the semiconductor substrate and the gate. Subsequently, at least a recess is formed in the semiconductor substrate adjacent to the gate, and then an epitaxial layer is formed in the recess. A lightly doped region is formed in the semiconductor substrate adjacent to the gate. Finally, a spacer is formed on the sidewall of the gate.Type: GrantFiled: August 9, 2007Date of Patent: June 29, 2010Assignee: United Microelectronics Corp.Inventors: Chu-Yin Tseng, Shih-Chieh Hsu, Chih-Chiang Wu, Shyh-Fann Ting, Po-Lun Cheng, Hsuan-Hsu Chen
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Patent number: 7622344Abstract: A method for manufacturing CMOS transistors includes an etching back process alternatively performed after the gate structure formation, the lightly doped drain formation, source/drain implantation, or SEG process to etch a hard mask layer covering and protecting a first type gate structure, and to reduce thickness deviation between the hard masks covering the first type gate structure and a second type gate structure. Therefore the damage to spacers, STIs, and the profile of the gate structures due to the thickness deviation is prevented.Type: GrantFiled: July 17, 2007Date of Patent: November 24, 2009Assignee: United Microelectronics Corp.Inventors: Chia-Wen Liang, Cheng-Tung Huang, Shyh-Fann Ting, Chih-Chiang Wu, Shih-Chieh Hsu, Li-Shian Jeng, Kun-Hsien Lee, Meng-Yi Wu, Wen-Han Hung, Tzyy-Ming Cheng
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Publication number: 20090239347Abstract: The present invention provides a method for forming a metal-oxide-semiconductor (MOS) device. The method includes at least the steps of forming a silicon germanium layer by the selective epitaxy growth process and forming a cap layer on the silicon germanium layer by the selective growth process. Hence, the undesirable effects caused by ion implantation can be mitigated.Type: ApplicationFiled: May 20, 2009Publication date: September 24, 2009Applicant: United Microelectronics Corp.Inventors: SHYH-FANN TING, Shih-Chieh Hsu, Cheng-Tung Huang, Chih-Chiang Wu, Wen-Han Hung, Meng-Yi Wu, Li-Shian Jeng, Chung-Min Shih, Kun-Hsien Lee, Tzyy-Ming Cheng
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Publication number: 20090186475Abstract: A method of manufacturing a MOS transistor, in which, a tri-layer photo resist layer is used to form a patterned hard mask layer having a sound shape and a small size, and the patterned hard mask layer is used to form a gate. Thereafter, by forming and defining a cap layer, a recess is formed through etching in the substrate. The patterned hard mask is removed after epitaxial layers are formed in the recesses. Accordingly, a conventional poly bump issue and an STI oxide loss issue leading to contact bridge can be avoided.Type: ApplicationFiled: January 21, 2008Publication date: July 23, 2009Inventors: Shyh-Fann Ting, Cheng-Tung Huang, Shih-Chieh Hsu, Chih-Chiang Wu, Meng-Yi Wu, Li-Shian Jeng, Chung-Min Shih, Kun-Hsien Lee, Wen-Han Hung, Yao-Chin Cheng, Chi-Sheng Tseng, Yu-Ming Lin, Shih-Jung Tu, Tzyy-Ming Cheng
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Patent number: 7562752Abstract: The retractable cable device includes a base, a rotary portion, a spring, a cover, and at least two medal plates. The rotary portion cooperates with the base to form a cavity, and the cable is disposed on the rotary portion. The spring is disposed in the cavity for driving the rotary portion to rotate. The cover is coupled to the base. The metal plate is connected to the rotary portion for maintaining an electrical connection between the antenna and the cable when the rotary portion rotates.Type: GrantFiled: April 14, 2006Date of Patent: July 21, 2009Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Che-Ming Lee, Chen-Chi Fan, Chih-Chiang Wu, Wei-Hsi Chen
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Publication number: 20090166625Abstract: The present invention provides a method for forming a metal-oxide-semiconductor (MOS) device and the structure thereof. The method includes at least the steps of forming a silicon germanium layer by the first selective epitaxy growth process and forming a cap layer on the silicon germanium layer by the second selective epitaxy growth process. Hence, the undesirable effects caused by ion implantation can be mitigated.Type: ApplicationFiled: December 28, 2007Publication date: July 2, 2009Applicant: UNITED MICROELECTRONICS CORP.Inventors: Shyh-Fann Ting, Shih-Chieh Hsu, Cheng-Tung Huang, Chih-Chiang Wu, Wen-Han Hung, Meng-Yi Wu, Li-Shian Jeng, Chung-Min Shih, Kun-Hsien Lee, Tzyy-Ming Cheng
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Patent number: 7528045Abstract: A method for manufacturing a metal-oxide semiconductor (MOS) transistor includes providing a substrate having at least a gate structure and a shallow trench isolation (STI) formed thereon, performing a first etching process to form recesses in the substrate respectively at two sides of the gate structure, performing a selective epitaxial growth (SEG) process to form epitaxial silicon layers in the recesses respectively, accordingly a seam is formed in between the epitaxial silicon layer and the STI, forming a dielectric layer in the seam, and performing a self-aligned silicide (salicide) process.Type: GrantFiled: January 31, 2007Date of Patent: May 5, 2009Assignee: United Microelectronics Corp.Inventors: Chih-Chiang Wu, Shih-Fang Tzou, Shih-Chieh Hsu, Jen-Hong Huang
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Publication number: 20090072325Abstract: A metal-oxide semiconductor (MOS) transistor includes a gate structure positioned in an active area defined in a substrate, a recessed source/drain, and an asymmetric shallow trench isolation (STI) for electrically isolating the active areas. A surface of the asymmetric STI and the substrate is coplanar.Type: ApplicationFiled: November 23, 2008Publication date: March 19, 2009Inventors: Chih-Chiang Wu, Shih-Fang Tzou, Shih-Chieh Hsu, Jen-Hong Huang
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Publication number: 20090039389Abstract: The present invention provides a method for fabricating a metal oxide semiconductor transistor. First, a semiconductor substrate is provided and at least a gate is formed on the semiconductor substrate. A protective layer is then formed on the semiconductor substrate and the gate. Subsequently, at least a recess is formed in the semiconductor substrate adjacent to the gate, and then an epitaxial layer is formed in the recess. A lightly doped region is formed in the semiconductor substrate adjacent to the gate. Finally, a spacer is formed on the sidewall of the gate.Type: ApplicationFiled: August 9, 2007Publication date: February 12, 2009Inventors: Chu-Yin Tseng, Shih-Chieh Hsu, Chih-Chiang Wu, Shyh-Fann Ting, Po-Lun Cheng, Hsuan-Hsu Chen
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Publication number: 20090032900Abstract: A method of protecting a shallow trench isolation structure is described, which is applied to a semiconductor device process that includes a first process causing a recess in the STI structure and a second process after the first process. The method includes forming a silicon nitride layer in the recess along the profile of the same during the second process.Type: ApplicationFiled: August 3, 2007Publication date: February 5, 2009Applicant: UNITED MICROELECTRONICS CORP.Inventors: Yao-Chang Wang, Shih-Chieh Hsu, Chih-Chiang Wu, Huang-Yi Lin, Chi-Hong Pai, Tsung-Wen Chen, Hung-Ling Shih