Patents by Inventor Chen-Chang Tsai
Chen-Chang Tsai 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: 11982860Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a fixed portion, a movable portion, an electromagnetic driving assembly and an elastic member. The fixed portion has a base and a frame that is disposed on the base. The movable portion is movable relative to the fixed portion, and includes a carrier for carrying an optical member with an incident optical axis. The carrier includes a body and a sidewall that extends along the edge of the body, wherein the carrier further includes a first stopping portion and a second stopping portion protruding towards the fixed portion. The electromagnetic driving assembly drives the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion via the elastic member.Type: GrantFiled: April 8, 2022Date of Patent: May 14, 2024Assignee: TDK TAIWAN CORP.Inventors: Chia-Che Wu, Sung-Mao Tsai, Chao-Chang Hu, Che-Wei Chang, Chen-Hsien Fan, Chih-Wei Weng
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Publication number: 20240153786Abstract: A method includes bonding a package component to a composite carrier. The composite carrier includes a base carrier and an absorption layer, and the absorption layer is between the base carrier and the package component. A laser beam is projected onto the composite carrier. The laser beam penetrates through the base carrier to ablate the absorption layer. The base carrier may then be separated from the package component.Type: ApplicationFiled: January 11, 2024Publication date: May 9, 2024Inventors: Huicheng Chang, Jyh-Cherng Sheu, Chen-Fong Tsai, Yun Chen Teng, Han-De Chen, Yee-Chia Yeo
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Publication number: 20240120314Abstract: Methods of ion implantation combined with annealing using a pulsed laser or a furnace for cutting substrate in forming semiconductor devices and semiconductor devices including the same are disclosed. In an embodiment, a method includes forming a transistor structure of a device on a first semiconductor substrate; forming a front-side interconnect structure over a front side of the transistor structure; bonding a carrier substrate to the front-side interconnect structure; implanting ions into the first semiconductor substrate to form an implantation region of the first semiconductor substrate; and removing the first semiconductor substrate. Removing the first semiconductor substrate includes applying an annealing process to separate the implantation region from a remainder region of the first semiconductor substrate. The method also includes forming a back-side interconnect structure over a back side of the transistor structure.Type: ApplicationFiled: December 20, 2023Publication date: April 11, 2024Inventors: Huicheng Chang, Jyh-Cherng Sheu, Chen-Fong Tsai, Yun Chen Teng, Han-De Chen, Yee-Chia Yeo
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Patent number: 11956541Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.Type: GrantFiled: January 26, 2023Date of Patent: April 9, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Sung-Mao Tsai, Yueh-Lin Lee, Yu-Chiao Lo, Mao-Kuo Hsu, Ching-Chieh Huan, Yi-Chun Cheng
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Patent number: 11934027Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.Type: GrantFiled: June 21, 2022Date of Patent: March 19, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chih-Wei Weng, Chia-Che Wu, Chien-Yu Kao, Hsiao-Hsin Hu, He-Ling Chang, Chao-Hsi Wang, Chen-Hsien Fan, Che-Wei Chang, Mao-Gen Jian, Sung-Mao Tsai, Wei-Jhe Shen, Yung-Ping Yang, Sin-Hong Lin, Tzu-Yu Chang, Sin-Jhong Song, Shang-Yu Hsu, Meng-Ting Lin, Shih-Wei Hung, Yu-Huai Liao, Mao-Kuo Hsu, Hsueh-Ju Lu, Ching-Chieh Huang, Chih-Wen Chiang, Yu-Chiao Lo, Ying-Jen Wang, Shu-Shan Chen, Che-Hsiang Chiu
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Publication number: 20130025417Abstract: An operating tool able to be rotated for angles includes a handle, a driving head and a quick-disengaging unit. The quick-disengaging unit is provided with a fixing member pivotally assembled with the handle, and the fixing member has one end secured with the driving head and another end provided with a position-limiting member to have the handle restrictedly positioned with the fixing member. The quick-disengaging unit also has an operating member, which is to slide in the fixing member, and a restraining element connected with the operating member and stuck between the fixing member and the handle. The operating member can be operated to move the restraining element off the handle so that the driving head, with the fixing member acting as a pivot, can be rotated relative to the handle for quickly screwing or unscrewing a thread locking member.Type: ApplicationFiled: July 28, 2011Publication date: January 31, 2013Inventor: Chen-Chang TSAI
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Patent number: 7213492Abstract: An effective control mechanism for a socket wrench that is capable of safe, high efficiency, high strength torque control while eliminating the problem of losing control due to improperly applied external force. The control mechanism includes a handle, a socket, an inner rotor, a C-washer, a ring spacer, a dialer, left and right auxiliary positioning levers, a control, a spring, a lid, a roller, and an elastic member; wherein an end of the handle includes a segment channel to accommodate the socket and the inner rotor, the socket includes one or multiple elastic member and one or multiple roller in relation to the segment channel, and multiple locking holes being provided on the recessed surface of the end of the handle for installation of both of the left and the right auxiliary positioning levers and the spring.Type: GrantFiled: October 29, 2004Date of Patent: May 8, 2007Inventor: Chen-Chang Tsai
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Patent number: 7188550Abstract: A new mechanism of an open-end adjustable spanner which includes a right latch, a left latch, a return spring, and a control member containing hairpin springs and a serrated bit installed in an accommodation trough of a handle to create a torque transmission structure to turn a ratchet by gearing to permit easy alignment of the ratchet with the bolt or nut and avoid slipping therefrom before and after tightening or loosening the bolt or nut; and allow effort-saving and convenient torque application in clamping head of a bolt or nut by selecting a proper specification of the configuration of the open end of the ratchet.Type: GrantFiled: October 29, 2004Date of Patent: March 13, 2007Inventor: Chen-Chang Tsai
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Publication number: 20060090608Abstract: A torque-indicating socket wrench control mechanism to provide safe, high efficient, and high strength torque operation by preventing accidental falling off or out of control due to improperly use of external force is essentially by having a primary control to plunge a the socket at a proper angle by dialing a rotation part to drive the primary control to displace by rotation when an auxiliary positioning lever being pushed in by a spring to lock to an end of a wing retainer for assuring of an effective positioning of one-way retaining thus to select the torque direction desired for transmission for the handle of the wrench.Type: ApplicationFiled: October 29, 2004Publication date: May 4, 2006Inventor: Chen-Chang Tsai
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Publication number: 20060090607Abstract: A new mechanism of an open-end adjustable spanner includes right latch, left latch, return spring, and control containing hairpin springs and serrated bit respectively installed by deck into an accommodation trough of a handle to create a torque transmission structure to turn a ratchet by gearing to permit easy alignment of the ratchet at the bolt or nut and avoid falling off before and after tightening or loosening up the bolt or nut; and allow efforts-saving and convenient torque application in clamping head of a bolt or nut by selecting a proper specification of the configuration of the open end of the ratchet.Type: ApplicationFiled: October 29, 2004Publication date: May 4, 2006Inventor: Chen-Chang Tsai
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Patent number: 5697267Abstract: A socket wrench is provided between an inner rotary seat thereof and an outer fitting seat thereof with a plurality of slender steel bars, rubber sleeves and resisting bars, which work together to prevent the skidding of the inner rotary seat and the outer fitting seat and to provide a high torsion strength.Type: GrantFiled: January 27, 1995Date of Patent: December 16, 1997Inventor: Chen-Chang Tsai