Patents by Inventor Mingching Wu
Mingching 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: 8318511Abstract: A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming plural microstructures in the actuating area, d) mounting a conducting element in the connecting area and the actuating area, e) forming an insulating layer on the conducting element and f) connecting the first substrate to the connecting area to form the MEMS device. The concavity contains the plural microstructures.Type: GrantFiled: January 4, 2012Date of Patent: November 27, 2012Assignee: Walsin Lihwa Corp.Inventors: Mingching Wu, Hsueh-An Yang, Hung-Yi Lin, Weileun Fang
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Publication number: 20120111096Abstract: A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming plural microstructures in the actuating area, d) mounting a conducting element in the connecting area and the actuating area, e) forming an insulating layer on the conducting element and f) connecting the first substrate to the connecting area to form the MEMS device. The concavity contains the plural microstructures.Type: ApplicationFiled: January 4, 2012Publication date: May 10, 2012Applicant: WALSIN LIHWA CORPORATIONInventors: Mingching Wu, Hsueh-An Yang, Hung-Yi Lin, Weileun Fang
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Patent number: 8030111Abstract: A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming plural microstructures in the actuating area, d) mounting a conducting element in the connecting area and the actuating area, e) forming an insulating layer on the conducting element and f) connecting the first substrate to the connecting area to form the MEMS device. The concavity contains the plural microstructures.Type: GrantFiled: December 2, 2008Date of Patent: October 4, 2011Assignee: Walsin Lihwa Corp.Inventors: Mingching Wu, Hsueh-An Yang, Hung-Yi Lin, Weileun Fang
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Publication number: 20110174058Abstract: A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming plural microstructures in the actuating area, d) mounting a conducting element in the connecting area and the actuating area, e) forming an insulating layer on the conducting element and f) connecting the first substrate to the connecting area to form the MEMS device. The concavity contains the plural microstructures.Type: ApplicationFiled: March 28, 2011Publication date: July 21, 2011Applicant: WALSIN LIHWA CORP.Inventors: Mingching Wu, Hsueh-An Yang, Hung-Yi Lin, Weileun Fang
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Patent number: 7824945Abstract: A method for making micro-electromechanical system devices includes: (a) forming a sacrificial layer on a device wafer; (b) forming a plurality of loop-shaped through-holes in the sacrificial layer so as to form the sacrificial layer into a plurality of enclosed portions; (c) forming a plurality of cover caps on the sacrificial layer such that the cover caps respectively enclose the enclosed portions of the sacrificial layer; (d) forming a device through-hole in each of active units of the device wafer so as to form an active part suspended in each of the active units; and (e) removing the enclosed portions of the sacrificial layer through the device through-holes in the active units of the device wafer.Type: GrantFiled: October 2, 2008Date of Patent: November 2, 2010Assignee: Asia Pacific Microsystems, Inc.Inventors: Tso-Chi Chang, Mingching Wu
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Publication number: 20100084721Abstract: A micro-electromechanical system microstructure includes: a substrate adapted to support an electrode thereon; a suspension mechanism supported on the substrate; and a movable active part adapted to cooperate with the electrode to define a capacitor therebetween, and suspended on the substrate through the suspension mechanism so as to be movable to and fro relative to the substrate and the electrode. The suspension mechanism includes at least one supporting frame that protrudes from and that cooperates with an outer surface of the substrate to define a frame space therebetween, and at least one cantilever beam interconnecting the supporting frame and the active part.Type: ApplicationFiled: October 2, 2008Publication date: April 8, 2010Inventors: Mingching Wu, Ming-Hsi Tseng
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Publication number: 20090311819Abstract: A method for making micro-electromechanical system devices includes: (a) forming a sacrificial layer on a device wafer; (b) forming a plurality of loop-shaped through-holes in the sacrificial layer so as to form the sacrificial layer into a plurality of enclosed portions; (c) forming a plurality of cover caps on the sacrificial layer such that the cover caps respectively enclose the enclosed portions of the sacrificial layer; (d) forming a device through-hole in each of active units of the device wafer so as to form an active part suspended in each of the active units; and (e) removing the enclosed portions of the sacrificial layer through the device through-holes in the active units of the device wafer.Type: ApplicationFiled: October 2, 2008Publication date: December 17, 2009Inventors: Tso-Chi Chang, Mingching Wu
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Publication number: 20090075406Abstract: A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming plural microstructures in the actuating area, d) mounting a conducting element in the connecting area and the actuating area, e) forming an insulating layer on the conducting element and f) connecting the first substrate to the connecting area to form the MEMS device. The concavity contains the plural microstructures.Type: ApplicationFiled: December 2, 2008Publication date: March 19, 2009Applicant: WALSIN LIHWA CORP.Inventors: Mingching Wu, Hsueh-An Yang, Hung-Yi Lin, Weileun Fang
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Patent number: 7196449Abstract: A two-axis device is provided. The two-axis device includes a first substrate having a plurality of electrodes, a first connecting layer located on the first substrate, an actuating layer, a second connecting layer and a cover. The actuating layer is connected to the first substrate via the first connecting layer and includes a circular portion, an actuating portion, a first shaft and a second shaft. The second connecting layer is connected to the actuating layer and the cover is connected to the actuating layer via the second connecting layer. In addition, a vacuum concavity is formed by the first substrate, the first connecting layer, the actuating layer, the second connecting layer and the cover. The actuating portion and the first shaft are located in the vacuum concavity, and the second shaft extends outside of the vacuum concavity.Type: GrantFiled: September 28, 2004Date of Patent: March 27, 2007Assignee: Walsin Lihwa Corp.Inventors: Mingching Wu, Hsueh-An Yang, Hung-Yi Lin, Weileun Fang
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Publication number: 20050280331Abstract: A two-axis device is provided. The two-axis device includes a first substrate having a plurality of electrodes, a first connecting layer located on the first substrate, an actuating layer, a second connecting layer and a cover. The actuating layer is connected to the first substrate via the first connecting layer and includes a circular portion, an actuating portion, a first shaft and a second shaft. The second connecting layer is connected to the actuating layer and the cover is connected to the actuating layer via the second connecting layer. In addition, a vacuum concavity is formed by the first substrate, the first connecting layer, the actuating layer, the second connecting layer and the cover. The actuating portion and the first shaft are located in the vacuum concavity, and the second shaft extends outside of the vacuum concavity.Type: ApplicationFiled: September 28, 2004Publication date: December 22, 2005Applicant: Walsin Lihwa Corp.Inventors: Mingching Wu, Hsueh-An Yang, Hung-Yi Lin, Weileun Fang
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Publication number: 20050280116Abstract: A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming plural microstructures in the actuating area, d) mounting a conducting element in the connecting area and the actuating area, e) forming an insulating layer on the conducting element and f) connecting the first substrate to the connecting area to form the MEMS device. The concavity contains the plural microstructures.Type: ApplicationFiled: March 28, 2005Publication date: December 22, 2005Applicant: WALSIN LIHWA CORP.Inventors: Mingching Wu, Hsueh-An Yang, Hung-Yi Lin, Weileun Fang
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Publication number: 20050205514Abstract: The optical microelectromechanical components and the fabrication method thereof are provided. The method for fabricating an optical microelectromechanical component includes steps of (a) providing a substrate; (b) depositing an oxide layer on the substrate as a first mask; (c) performing a plurality of first etchings on the substrate to form a plurality of trenches with a plurality of depths; (d) depositing a first polysilicon layer on the trenches to form refilled trenches.Type: ApplicationFiled: September 3, 2004Publication date: September 22, 2005Applicant: Walsin Lihwa Corp.Inventors: Mingching Wu, Hung-Yi Lin, Weileun Fang