Patents by Inventor Chao-Yi Wang
Chao-Yi 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).
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Publication number: 20240379584Abstract: A semiconductor package includes a first die having a first substrate, an interconnect structure overlying the first substrate and having multiple metal layers with vias connecting the multiple metal layers, a seal ring structure overlying the first substrate and along a periphery of the first substrate, the seal ring structure having multiple metal layers with vias connecting the multiple metal layers, the seal ring structure having a topmost metal layer, the topmost metal layer being the metal layer of the seal ring structure that is furthest from the first substrate, the topmost metal layer of the seal ring structure having an inner metal structure and an outer metal structure, and a polymer layer over the seal ring structure, the polymer layer having an outermost edge that is over and aligned with a top surface of the outer metal structure of the seal ring structure.Type: ApplicationFiled: July 22, 2024Publication date: November 14, 2024Inventors: Chih-Hsiang Tseng, Yu-Feng Chen, Cheng Jen Lin, Wen-Hsiung Lu, Ming-Da Cheng, Kuo-Ching Hsu, Hong-Seng Shue, Ming-Hong Cha, Chao-Yi Wang, Mirng-Ji Lii
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Patent number: 11908818Abstract: A semiconductor device includes a semiconductor substrate, a conductive pad over the semiconductor substrate, a conductive bump, a conductive cap over the conductive bump, and a passivation layer. The conductive pad is over the semiconductor substrate. The conductive bump is over the conductive pad, wherein the conductive bump has a stepped sidewall structure including a lower sidewall, an upper sidewall laterally offset from the lower sidewall, and an intermediary surface laterally extending from a bottom edge of the upper sidewall to a top edge of the lower sidewall. The conductive cap is over the conductive bump. The passivation layer is over the semiconductor substrate and laterally surrounds the conductive bump, wherein the passivation layer has a top surface higher than the intermediary surface of the stepped sidewall structure of the conductive bump and lower than a top surface of conductive cap.Type: GrantFiled: November 12, 2021Date of Patent: February 20, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Sheng-Yu Wu, Ching-Hui Chen, Mirng-Ji Lii, Kai-Di Wu, Chien-Hung Kuo, Chao-Yi Wang, Hon-Lin Huang, Zi-Zhong Wang, Chun-Mao Chiu
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Publication number: 20220077094Abstract: A semiconductor device includes a semiconductor substrate, a conductive pad over the semiconductor substrate, a conductive bump, a conductive cap over the conductive bump, and a passivation layer. The conductive pad is over the semiconductor substrate. The conductive bump is over the conductive pad, wherein the conductive bump has a stepped sidewall structure including a lower sidewall, an upper sidewall laterally offset from the lower sidewall, and an intermediary surface laterally extending from a bottom edge of the upper sidewall to a top edge of the lower sidewall. The conductive cap is over the conductive bump. The passivation layer is over the semiconductor substrate and laterally surrounds the conductive bump, wherein the passivation layer has a top surface higher than the intermediary surface of the stepped sidewall structure of the conductive bump and lower than a top surface of conductive cap.Type: ApplicationFiled: November 12, 2021Publication date: March 10, 2022Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Sheng-Yu WU, Ching-Hui CHEN, Mirng-Ji LII, Kai-Di WU, Chien-Hung KUO, Chao-Yi WANG, Hon-Lin HUANG, Zi-Zhong WANG, Chun-Mao CHIU
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Patent number: 11177228Abstract: A semiconductor device comprises a semiconductor substrate, a conductive pad over the semiconductor substrate, a conductive bump over the conductive pad, a conductive cap over the conductive bump, and a passivation layer over the semiconductor substrate and surrounding the conductive bump. A combination of the conductive bump and the conductive cap has a stepped sidewall profile. The passivation layer has an inner sidewall at least partially facing and spaced apart from an outer sidewall of the conductive bump.Type: GrantFiled: June 10, 2019Date of Patent: November 16, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Sheng-Yu Wu, Ching-Hui Chen, Mirng-Ji Lii, Kai-Di Wu, Chien-Hung Kuo, Chao-Yi Wang, Hon-Lin Huang, Zi-Zhong Wang, Chun-Mao Chiu
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Publication number: 20210351139Abstract: A semiconductor package includes a first die having a first substrate, an interconnect structure overlying the first substrate and having multiple metal layers with vias connecting the multiple metal layers, a seal ring structure overlying the first substrate and along a periphery of the first substrate, the seal ring structure having multiple metal layers with vias connecting the multiple metal layers, the seal ring structure having a topmost metal layer, the topmost metal layer being the metal layer of the seal ring structure that is furthest from the first substrate, the topmost metal layer of the seal ring structure having an inner metal structure and an outer metal structure, and a polymer layer over the seal ring structure, the polymer layer having an outermost edge that is over and aligned with a top surface of the outer metal structure of the seal ring structure.Type: ApplicationFiled: July 26, 2021Publication date: November 11, 2021Inventors: Chih-Hsiang Tseng, Yu-Feng Chen, Cheng Jen Lin, Wen-Hsiung Lu, Ming-Da Cheng, Kuo-Ching Hsu, Hong-Seng Shue, Ming-Hong Cha, Chao-Yi Wang, Mirng-Ji Lii
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Patent number: 11127703Abstract: Semiconductor devices are provided. The semiconductor device includes a first dielectric layer, a bump, an etching stop layer and a spacer. The first dielectric layer is disposed over and exposes a conductive structure. The bump is partially disposed in the first dielectric layer to electrically connect the conductive structure. The etching stop layer is disposed over the first dielectric layer aside the bump. The spacer surrounds the bump and disposed between the etching stop layer and the bump.Type: GrantFiled: April 2, 2019Date of Patent: September 21, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chin-Yu Ku, Cheng-Lung Yang, Chen-Shien Chen, Hon-Lin Huang, Chao-Yi Wang, Ching-Hui Chen, Chien-Hung Kuo
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Patent number: 11081459Abstract: A method of forming a semiconductor device is provided. A first substrate is provided with a conductive feature therein, a metal bump over the conductive feature and a passivation stack aside the metal bump. A first insulating layer is formed over the metal bump and the passivation stack. First and second patterning processes are performed to form first and second opening patterns in the first insulating layer. The metal bump is exposed by the second patterning process. A second substrate is provided with a second insulating layer thereon. The second substrate is bonded to the first substrate with the second insulating layer and the first insulating layer facing each other, so that the second insulating layer fills in the first and second opening patterns of the first insulating layer. The first insulating layer and a portion of the passivation stack are removed.Type: GrantFiled: October 7, 2019Date of Patent: August 3, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chin-Yu Ku, Hon-Lin Huang, Chao-Yi Wang, Chen-Shien Chen, Chien-Hung Kuo
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Patent number: 11075173Abstract: A semiconductor package includes a first die having a first substrate, an interconnect structure overlying the first substrate and having multiple metal layers with vias connecting the multiple metal layers, a seal ring structure overlying the first substrate and along a periphery of the first substrate, the seal ring structure having multiple metal layers with vias connecting the multiple metal layers, the seal ring structure having a topmost metal layer, the topmost metal layer being the metal layer of the seal ring structure that is furthest from the first substrate, the topmost metal layer of the seal ring structure having an inner metal structure and an outer metal structure, and a polymer layer over the seal ring structure, the polymer layer having an outermost edge that is over and aligned with a top surface of the outer metal structure of the seal ring structure.Type: GrantFiled: October 10, 2019Date of Patent: July 27, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chih-Hsiang Tseng, Yu-Feng Chen, Cheng Jen Lin, Wen-Hsiung Lu, Ming-Da Cheng, Kuo-Ching Hsu, Hong-Seng Shue, Ming-Hong Cha, Chao-Yi Wang, Mirng-Ji Lii
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Publication number: 20200135664Abstract: A semiconductor package includes a first die having a first substrate, an interconnect structure overlying the first substrate and having multiple metal layers with vias connecting the multiple metal layers, a seal ring structure overlying the first substrate and along a periphery of the first substrate, the seal ring structure having multiple metal layers with vias connecting the multiple metal layers, the seal ring structure having a topmost metal layer, the topmost metal layer being the metal layer of the seal ring structure that is furthest from the first substrate, the topmost metal layer of the seal ring structure having an inner metal structure and an outer metal structure, and a polymer layer over the seal ring structure, the polymer layer having an outermost edge that is over and aligned with a top surface of the outer metal structure of the seal ring structure.Type: ApplicationFiled: October 10, 2019Publication date: April 30, 2020Inventors: Chih-Hsiang Tseng, Yu-Feng Chen, Cheng Jen Lin, Wen-Hsiung Lu, Ming-Da Cheng, Kuo-Ching Hsu, Hong-Seng Shue, Ming-Hong Cha, Chao-Yi Wang, Mirng-Ji Lii
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Publication number: 20200035634Abstract: A method of forming a semiconductor device is provided. A first substrate is provided with a conductive feature therein, a metal bump over the conductive feature and a passivation stack aside the metal bump. A first insulating layer is formed over the metal bump and the passivation stack. First and second patterning processes are performed to form first and second opening patterns in the first insulating layer. The metal bump is exposed by the second patterning process. A second substrate is provided with a second insulating layer thereon. The second substrate is bonded to the first substrate with the second insulating layer and the first insulating layer facing each other, so that the second insulating layer fills in the first and second opening patterns of the first insulating layer. The first insulating layer and a portion of the passivation stack are removed.Type: ApplicationFiled: October 7, 2019Publication date: January 30, 2020Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chin-Yu Ku, Hon-Lin Huang, Chao-Yi Wang, Chen-Shien Chen, Chien-Hung Kuo
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Patent number: 10483226Abstract: A method of forming a semiconductor device is provided. A first substrate is provided with a conductive feature therein, a metal bump over the conductive feature and a passivation stack aside the metal bump. A first insulating layer is formed over the metal bump and the passivation stack. First and second patterning processes are performed to form first and second opening patterns in the first insulating layer. The metal bump is exposed by the second patterning process. A second substrate is provided with a second insulating layer thereon. The second substrate is bonded to the first substrate with the second insulating layer and the first insulating layer facing each other, so that the second insulating layer fills in the first and second opening patterns of the first insulating layer. The first insulating layer and a portion of the passivation stack are removed.Type: GrantFiled: April 20, 2018Date of Patent: November 19, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chin-Yu Ku, Hon-Lin Huang, Chao-Yi Wang, Chen-Shien Chen, Chien-Hung Kuo
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Publication number: 20190326239Abstract: A method of forming a semiconductor device is provided. A first substrate is provided with a conductive feature therein, a metal bump over the conductive feature and a passivation stack aside the metal bump. A first insulating layer is formed over the metal bump and the passivation stack. First and second patterning processes are performed to form first and second opening patterns in the first insulating layer. The metal bump is exposed by the second patterning process. A second substrate is provided with a second insulating layer thereon. The second substrate is bonded to the first substrate with the second insulating layer and the first insulating layer facing each other, so that the second insulating layer fills in the first and second opening patterns of the first insulating layer. The first insulating layer and a portion of the passivation stack are removed.Type: ApplicationFiled: April 20, 2018Publication date: October 24, 2019Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chin-Yu Ku, Hon-Lin Huang, Chao-Yi Wang, Chen-Shien Chen, Chien-Hung Kuo
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Publication number: 20190295977Abstract: A semiconductor device comprises a semiconductor substrate, a conductive pad over the semiconductor substrate, a conductive bump over the conductive pad, a conductive cap over the conductive bump, and a passivation layer over the semiconductor substrate and surrounding the conductive bump. A combination of the conductive bump and the conductive cap has a stepped sidewall profile. The passivation layer has an inner sidewall at least partially facing and spaced apart from an outer sidewall of the conductive bump.Type: ApplicationFiled: June 10, 2019Publication date: September 26, 2019Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Sheng-Yu WU, Ching-Hui CHEN, Mirng-Ji LII, Kai-Di WU, Chien-Hung KUO, Chao-Yi WANG, Hon-Lin HUANG, Zi-Zhong WANG, Chun-Mao CHIU
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Publication number: 20190229081Abstract: Semiconductor devices are provided. The semiconductor device includes a first dielectric layer, a bump, an etching stop layer and a spacer. The first dielectric layer is disposed over and exposes a conductive structure. The bump is partially disposed in the first dielectric layer to electrically connect the conductive structure. The etching stop layer is disposed over the first dielectric layer aside the bump. The spacer surrounds the bump and disposed between the etching stop layer and the bump.Type: ApplicationFiled: April 2, 2019Publication date: July 25, 2019Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chin-Yu Ku, Cheng-Lung Yang, Chen-Shien Chen, Hon-Lin Huang, Chao-Yi Wang, Ching-Hui Chen, Chien-Hung Kuo
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Patent number: 10319695Abstract: A semiconductor device includes a semiconductor substrate. A pad region is disposed on the semiconductor substrate. A micro bump is disposed on the pad region. The micro bump has a first portion on the pad region and a second portion on the first portion. The first portion and the second portion have different widths. The first portion has a first width and the second portion has a second width. The first width is larger or smaller than the second width. The micro bump includes nickel and gold. The semiconductor device also includes a passivation layer overlying a portion of the pad region.Type: GrantFiled: September 26, 2017Date of Patent: June 11, 2019Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Sheng-Yu Wu, Ching-Hui Chen, Mirng-Ji Lii, Kai-Di Wu, Chien-Hung Kuo, Chao-Yi Wang, Hon-Lin Huang, Zi-Zhong Wang, Chun-Mao Chiu
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Patent number: 10276528Abstract: A semiconductor device and a manufacturing method for the semiconductor device are provided. The semiconductor device includes a first dielectric layer, a bump, an etching stop layer and a spacer. The first dielectric layer is disposed over and exposes a conductive structure. The bump is partially disposed in the first dielectric layer to electrically connect the conductive structure. The etching stop layer is disposed over the first dielectric layer aside the bump a spacer and surrounds the bump and disposed between the etching stop layer and the bump.Type: GrantFiled: July 18, 2017Date of Patent: April 30, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chin-Yu Ku, Cheng-Lung Yang, Chen-Shien Chen, Hon-Lin Huang, Chao-Yi Wang, Ching-Hui Chen, Chien-Hung Kuo
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Publication number: 20190027452Abstract: A semiconductor device and a manufacturing method for the semiconductor device are provided. The semiconductor device includes a first dielectric layer, a bump, an etching stop layer and a spacer. The first dielectric layer is disposed over and exposes a conductive structure. The bump is partially disposed in the first dielectric layer to electrically connect the conductive structure. The etching stop layer is disposed over the first dielectric layer aside the bump a spacer and surrounds the bump and disposed between the etching stop layer and the bump.Type: ApplicationFiled: July 18, 2017Publication date: January 24, 2019Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chin-Yu Ku, Cheng-Lung Yang, Chen-Shien Chen, Hon-Lin Huang, Chao-Yi Wang, Ching-Hui Chen, Chien-Hung Kuo
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Publication number: 20190006303Abstract: A semiconductor device includes a semiconductor substrate. A pad region is disposed on the semiconductor substrate. A micro bump is disposed on the pad region. The micro bump has a first portion on the pad region and a second portion on the first portion. The first portion and the second portion have different widths. The first portion has a first width and the second portion has a second width. The first width is larger or smaller than the second width. The micro bump includes nickel and gold. The semiconductor device also includes a passivation layer overlying a portion of the pad region.Type: ApplicationFiled: September 26, 2017Publication date: January 3, 2019Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Sheng-Yu WU, Ching-Hui CHEN, Mirng-Ji LII, Kai-Di WU, Chien-Hung KUO, Chao-Yi WANG, Hon-Lin HUANG, Zi-Zhong WANG, Chun-Mao CHIU
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Patent number: 8692765Abstract: A 2D/3D image switching display device includes an image display unit and an image switching unit coupled to the image display unit. The image switching unit includes first and second transparent substrates and first and second transparent conducting elements installed on the first and second transparent substrates respectively. An electrochromic layer and an electrolytic layer are formed on the first and second transparent substrates sequentially. The electrochromic layer produce a color change according to the switching status of the image display unit After a stereo image divided into left and right eye images is received by naked eyes, no moire pattern will be produced, so that no additional light shielding device using a parallax barrier is required for displaying stereo images, and the 2D/3D image switching display device can change a light-shielding angle for adjusting a stereo image display according to the viewing angle.Type: GrantFiled: September 21, 2010Date of Patent: April 8, 2014Assignee: J Touch CorporationInventors: Yu-Chou Yeh, Chao-Yi Wang, Chi-Hsien Sung, Min-Hui Chiang
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Publication number: 20130328964Abstract: Disclosure is related to an apparatus for producing a three-dimensional product. Apparatus is configured to print a 3D image onto a flat surface of grating film. The grating film has the flat surface and a grating textural surface. In an exemplary example, the apparatus includes an image capturing unit for generating an object image by photographing an object. A control unit is also included for extracting the object from the object image and regarding it as a foreground object image. Afterward, the foreground object image is combined with a background image, and a 3D picture is formed. The background image is stored in a background image storing unit. A printing unit is included for printing the combined three-dimensional image onto a flat surface of grating film. A bottom-layer forming unit is used to form an opaque layer onto the grating film printed with the three-dimensional image.Type: ApplicationFiled: June 6, 2012Publication date: December 12, 2013Applicant: J TOUCH CORPORATIONInventors: YU-CHOU YEH, TING-CHING LIN, CHAO-YI WANG