Patents by Inventor Wei-Hong Chang
Wei-Hong Chang 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: 12074027Abstract: A method includes providing a layered structure on a substrate, the layered structure including a bottom layer formed over the substrate and a photoresist layer formed over the bottom layer, exposing the photoresist layer to a radiation source, developing the photoresist layer, patterning the bottom layer and removing portions of the substrate through openings in the patterned bottom layer. In some embodiments, a middle layer is provided between the bottom layer and the photoresist layer. The material of the bottom layer includes at least one cross-linking agent that has been functionalized to decrease its affinity to other materials in the bottom layer.Type: GrantFiled: September 22, 2021Date of Patent: August 27, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Jing-Hong Huang, Wei-Han Lai, Ching-Yu Chang
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Publication number: 20240249941Abstract: Method of manufacturing semiconductor device, includes forming protective layer over substrate having plurality of protrusions and recesses. The protective layer includes polymer composition including polymer having repeating units of one or more of: Wherein a, b, c, d, e, f, g, h, and i are each independently H, —OH, —ROH, —R(OH)2, —NH2, —NHR, —NR2, —SH, —RSH, or —R(SH)2, wherein at least one of a, b, c, d, e, f, g, h, and i on each repeating unit is not H. R, R1, and R2 are each independently a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 hydroxyalkyl group, a C2-C10 alkoxy group, a C2-C10 alkoxy alkyl group, a C2-C10 acetyl group, a C3-C10 acetylalkyl group, a C1-C10 carboxyl group, a C2-C10 alkyl carboxyl group, or a C4-C10 cycloalkyl carboxyl group, and n is 2-1000. A resist layer is formed over protective layer, and resist layer is patterned.Type: ApplicationFiled: March 6, 2024Publication date: July 25, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jing Hong HUANG, Wei-Han LAI, Ching-Yu CHANG
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Patent number: 11904581Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer, and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution is 1:0.01-1. Moreover, the second polymer solution is composed of a second hydrophilic solution.Type: GrantFiled: August 11, 2022Date of Patent: February 20, 2024Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hsin-Hsin Shen, Yu-Chi Wang, Ming-Chia Yang, Yu-Bing Liou, Wei-Hong Chang, Yun-Han Lin, Hsin-Yi Hsu, Yun-Chung Teng, Chia-Jung Lu, Yi-Hsuan Lee, Jian-Wei Lin, Kun-Mao Kuo, Ching-Mei Chen
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Patent number: 11760853Abstract: An anti-curling film is provided. The anti-curling film includes a first portion and a second portion covering the first portion. The first portion includes polylactic acid (PLA), polycaprolactone (PCL), polyethylene glycol dimethacrylate (PEGDMA) and a photoinitiator. The second portion includes polycaprolactone (PCL), gelatin, hyaluronic acid (HA), alginate (AA), polyvinyl alcohol (PVA) or a combination thereof.Type: GrantFiled: November 30, 2021Date of Patent: September 19, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Hong Chang, Ching-Mei Chen, Grace H. Chen, Hsin-Hsin Shen, Yuchi Wang, Ming-Chia Yang, Li-Hsin Lin, Sen-Lu Chen, Yi-Hsuan Lee, Jian-Wei Lin, Liang-Cheng Su
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Publication number: 20220388293Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer, and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution is 1:0.01-1. Moreover, the second polymer solution is composed of a second hydrophilic solution.Type: ApplicationFiled: August 11, 2022Publication date: December 8, 2022Applicant: Industrial Technology Research InstituteInventors: Hsin-Hsin SHEN, Yu-Chi WANG, Ming-Chia YANG, Yu-Bing LIOU, Wei-Hong CHANG, Yun-Han LIN, Hsin-Yi HSU, Yun-Chung TENG, Chia-Jung LU, Yi-Hsuan LEE, Jian-Wei LIN, Kun-Mao KUO, Ching-Mei CHEN
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Patent number: 11458715Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer; and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution is 1:0.01-1. Moreover, the second polymer solution consists of a second hydrophilic solution.Type: GrantFiled: November 6, 2019Date of Patent: October 4, 2022Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hsin-Hsin Shen, Yu-Chi Wang, Ming-Chia Yang, Yu-Bing Liou, Wei-Hong Chang, Yun-Han Lin, Hsin-Yi Hsu, Yun-Chung Teng, Chia-Jung Lu, Yi-Hsuan Lee, Jian-Wei Lin, Kun-Mao Kuo, Ching-Mei Chen
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Publication number: 20220169808Abstract: An anti-curling film is provided. The anti-curling film includes a first portion and a second portion covering the first portion. The first portion includes polylactic acid (PLA), polycaprolactone (PCL), polyethylene glycol dimethacrylate (PEGDMA) and a photoinitiator. The second portion includes polycaprolactone (PCL), gelatin, hyaluronic acid (HA), alginate (AA), polyvinyl alcohol (PVA) or a combination thereof.Type: ApplicationFiled: November 30, 2021Publication date: June 2, 2022Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Hong CHANG, Ching-Mei CHEN, Grace H. CHEN, Hsin-Hsin SHEN, Yuchi WANG, Ming-Chia YANG, Li-Hsin LIN, Sen-Lu CHEN, Yi-Hsuan LEE, Jian-Wei LIN, Liang-Cheng SU
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Patent number: 11298147Abstract: A minimally invasive surgical device includes a main body, a buffer assembly and a cutter bit. The main body includes an inner tube and an outer tube, wherein the inner tube is disposed in the outer tube. An end of the buffer assembly is connected to the inner tube. The cutter bit is connected to another end of the buffer assembly, wherein the cutter bit has a cutting portion. When the cutting portion is in contact with an object, the buffer assembly is adapted to enable the cutter bit to move relatively to the inner tube to decrease a cutting force between the cutting portion and the object, and is adapted to enable the cutting portion to be tilted with a surface of the object.Type: GrantFiled: March 1, 2018Date of Patent: April 12, 2022Assignee: Industrial Technology Research InstituteInventors: Ching-Chuan Jiang, Hsin-Hsin Shen, Ming-Chia Yang, Yun-Han Lin, Wei-Hong Chang
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Patent number: 10918474Abstract: An implanting device is used for implanting a membrane in a biological tissue. The implanting device includes a sleeve, a membrane storage element, an injection element and a bubble generating element. The membrane storage element is fixed at the sleeve. The injection element is inserted in the sleeve and the membrane storage element, and includes a capturing end and connecting end. The capturing end is for capturing the membrane and has a hole. The bubble generating element is connected to the connecting end, and is for providing a gas that is then outputted via the hole. By the rotation of the injection element, the capturing end extends straight out of the membrane storage element or retracts straight into the membrane storage element.Type: GrantFiled: September 5, 2018Date of Patent: February 16, 2021Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Bing Liou, Ming-Chia Yang, Hsin-Yi Hsu, Yun-Han Lin, Wei-Hong Chang, I-Jong Wang, Hsin-Hsin Shen
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Publication number: 20200247101Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer; and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution 1:0.01-1. Moreover, the second polymer solution consists of a second hydrophilic solution.Type: ApplicationFiled: November 6, 2019Publication date: August 6, 2020Applicant: Industrial Technology Research InstituteInventors: Hsin-Hsin SHEN, Yu-Chi WANG, Ming-Chia YANG, Yu-Bing LIOU, Wei-Hong CHANG, Yun-Han LIN, Hsin-Yi HSU, Yun-Chung TENG, Chia-Jung LU, Yi-Hsuan LEE, Jian-Wei LIN, Kun-Mao KUO, Ching-Mei CHEN
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Publication number: 20190076234Abstract: An implanting device is used for implanting a membrane in a biological tissue. The implanting device includes a sleeve, a membrane storage element, an injection element and a bubble generating element. The membrane storage element is fixed at the sleeve. The injection element is inserted in the sleeve and the membrane storage element, and includes a capturing end and connecting end. The capturing end is for capturing the membrane and has a hole. The bubble generating element is connected to the connecting end, and is for providing a gas that is then outputted via the hole. By the rotation of the injection element, the capturing end extends straight out of the membrane storage element or retracts straight into the membrane storage element.Type: ApplicationFiled: September 5, 2018Publication date: March 14, 2019Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Bing LIOU, Ming-Chia YANG, Hsin-Yi HSU, Yun-Han LIN, Wei-Hong CHANG, I-Jong WANG, Hsin-Hsin SHEN
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Publication number: 20180250030Abstract: A minimally invasive surgical device includes a main body, a buffer assembly and a cutter bit. The main body includes an inner tube and an outer tube, wherein the inner tube is disposed in the outer tube. An end of the buffer assembly is connected to the inner tube. The cutter bit is connected to another end of the buffer assembly, wherein the cutter bit has a cutting portion. When the cutting portion is in contact with an object, the buffer assembly is adapted to enable the cutter bit to move relatively to the inner tube to decrease a cutting force between the cutting portion and the object, and is adapted to enable the cutting portion to be tilted with a surface of the object.Type: ApplicationFiled: March 1, 2018Publication date: September 6, 2018Applicant: Industrial Technology Research InstituteInventors: Ching-Chuan Jiang, Hsin-Hisn Shen, Ming-Chia Yang, Yun-Han Lin, Wei-Hong Chang
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Publication number: 20180200403Abstract: The present disclosure provides a film composed of a polymer mixture, wherein the polymer mixture includes: a hydrophobic composition including polycaprolactone (PCL); and at least one hydrophilic polymer selected from a group consisting of alginate, gelatin, hyaluronic acid, polyvinyl alcohol (PVA), carboxymethyl cellulose (CMC), polyethylene glycol (PEG), collagen, demineralized bone matrix (DBM), bone morphogenetic protein (BMP), albumin, chitosan, fibrin, polyoxyethylene, polyvinylpyrrolidone, wherein the weight ratio of the hydrophobic composition to the hydrophilic polymer is about 1:0.01-100, and wherein the film has the effect of preventing leakage from a surgical wound or a diffuse wound.Type: ApplicationFiled: December 21, 2017Publication date: July 19, 2018Applicant: Industrial Technology Research InstituteInventors: Wei-Hong CHANG, Ming-Chia YANG, Yun-Han LIN, Kun-Mao KUO, Yu-Chi WANG, Hsin-Hsin SHEN, Li-Jie LIN
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Publication number: 20180169295Abstract: The present disclosure provides a film composed of a polymer mixture, wherein the polymer mixture includes: a hydrophobic composition including polycaprolactone (PCL); and at least one hydrophilic polymer selected from a group consisting of: alginate, gelatin, chitosan, hyaluronic acid, collagen, demineralized bone matrix (DSM), carboxymethyl cellulose (CMC), fibrin, polyoxyethylene, polyethylene glycol (PEG) and polyvinylpyrrolidone, wherein the weight ratio of the hydrophobic composition to the at least one hydrophilic polymer is about 1:0.01-100, and wherein the film has the effect of preventing leakage from a surgical wound or a diffuse wound.Type: ApplicationFiled: December 22, 2016Publication date: June 21, 2018Applicant: Industrial Technology Research InstituteInventors: Ming-Chia YANG, Wei-Hong CHANG, Yun-Han LIN, Kun-Mao KUO, Li-Jie LIN, Tai-Horng YOUNG
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Publication number: 20110298718Abstract: A touch-sensing keyboard including a solar cell, a touch panel, and a power converter is provided. The solar cell has a light receiving surface. The touch panel is disposed above the light receiving surface of the solar cell, wherein the solar cell receives light passing through the touch panel and converts the received light into electric power. Furthermore, the power converter is electrically connected to the solar cell and the touch panel, wherein the power converter receives and transforms the electric power generated from the solar cell and outputs the transformed electric power to the touch panel.Type: ApplicationFiled: September 17, 2010Publication date: December 8, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Wei-Hong Chang, Robin Lo, Po-Lun Chen