Patents by Inventor Chien Lin
Chien Lin 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: 12677474Abstract: A method for forming a semiconductor device includes patterning a substrate to form a strip including a first semiconductor material, forming an isolation region along a sidewall of the strip, an upper portion of the strip extending above the isolation region, forming a dummy structure along sidewalls and a top surface of the upper portion of the strip, performing a first etching process on an exposed portion of the upper portion of the strip to form a first recess, the exposed portion of the strip being exposed by the dummy structure, after performing the first etching process, reshaping the first recess to have a V-shaped bottom surface using a second etching process, wherein the second etching process is selective to first crystalline planes having a first orientation relative to second crystalline planes having a second orientation, and epitaxially growing a source/drain region in the reshaped first recess.Type: GrantFiled: August 8, 2023Date of Patent: July 7, 2026Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chien Lin, Kun-Yu Lee, Shahaji B. More, Cheng-Han Lee, Shih-Chieh Chang
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Patent number: 12660530Abstract: A method for forming a semiconductor device structure is described. The method includes forming a first semiconductor layer over a substrate in a processing chamber and performing a purge process. The purge process includes flowing a chlorine-containing gas into the processing chamber. The method further includes forming a second semiconductor layer over the first semiconductor layer, and an interface region is formed between the first and second semiconductor layers.Type: GrantFiled: August 2, 2022Date of Patent: June 16, 2026Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANYInventors: Shahaji B. More, Chien Lin
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Publication number: 20250364274Abstract: The present disclosure relates to a method for fabricating a system on integrated chip (SoIC) package. Particularly, a glue layer is deposited on sidewalls of semiconductor dies prior to depositing a dielectric filling material between the semiconductor dies. The glue layer may be a nitrogen containing layer, such as silicon nitride, silicon carbon nitride, and silicon oxygen nitride. The dielectric filling material may be a silicon oxide formed from TEOS or mDEOS. The glue layer increases adhesion between the dielectric filling material and semiconductor dies.Type: ApplicationFiled: August 7, 2025Publication date: November 27, 2025Inventors: Yi Chen HO, Chien LIN
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Publication number: 20250072040Abstract: In an embodiment, a method includes forming a plurality of semiconductor fins over a substrate, the plurality of semiconductor fins comprising a first fin, a second fin, a third fin, and a fourth fin; forming a first dielectric layer over the plurality of semiconductor fins, the first dielectric layer filling an entirety of a first trench between the first fin and the second fin; forming a second dielectric layer over the first dielectric layer, the second dielectric layer filling an entirety of a second trench between the second fin and the third fin, the forming the second dielectric layer comprising: forming an oxynitride layer; and forming an oxide layer; and forming a third dielectric layer over the second dielectric layer, the third dielectric layer filling an entirety of a third trench between the third fin and the fourth fin.Type: ApplicationFiled: November 8, 2024Publication date: February 27, 2025Inventors: Yi Chen Ho, Yiting Chang, Lun-Kuang Tan, Chien Lin
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Patent number: 12211752Abstract: A method for forming a semiconductor device includes patterning a substrate to form a strip including a first semiconductor material, forming an isolation region along a sidewall of the strip, an upper portion of the strip extending above the isolation region, forming a dummy structure along sidewalls and a top surface of the upper portion of the strip, performing a first etching process on an exposed portion of the upper portion of the strip to form a first recess, the exposed portion of the strip being exposed by the dummy structure, after performing the first etching process, reshaping the first recess to have a V-shaped bottom surface using a second etching process, wherein the second etching process is selective to first crystalline planes having a first orientation relative to second crystalline planes having a second orientation, and epitaxially growing a source/drain region in the reshaped first recess.Type: GrantFiled: April 25, 2022Date of Patent: January 28, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chien Lin, Kun-Yu Lee, Shahaji B. More, Cheng-Han Lee, Shih-Chieh Chang
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Publication number: 20250015129Abstract: In a method of manufacturing a semiconductor device, a fin structure in which first semiconductor layers and second semiconductor layers are alternately stacked is formed, a sacrificial gate structure is formed over the fin structure, a source/drain region of the fin structure, which is not covered by the sacrificial gate structure, is etched, thereby forming a source/drain space, the first semiconductor layers are laterally etched through the source/drain space, and a source/drain epitaxial layer is formed in the source/drain space. An inner spacer made of a dielectric material is formed on an end of each of the etched first semiconductor layers and at least one of the spacer has width changes along vertical direction of device. At least one of the first semiconductor layers has a composition different from another of the first semiconductor layers.Type: ApplicationFiled: September 17, 2024Publication date: January 9, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shu KUAN, Shahaji B. MORE, Chien LIN, Cheng-Han LEE, Shih-Chieh CHANG
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Patent number: 12166127Abstract: In an embodiment, a method includes forming a plurality of semiconductor fins over a substrate, the plurality of semiconductor fins comprising a first fin, a second fin, a third fin, and a fourth fin; forming a first dielectric layer over the plurality of semiconductor fins, the first dielectric layer filling an entirety of a first trench between the first fin and the second fin; forming a second dielectric layer over the first dielectric layer, the second dielectric layer filling an entirety of a second trench between the second fin and the third fin, the forming the second dielectric layer comprising: forming an oxynitride layer; and forming an oxide layer; and forming a third dielectric layer over the second dielectric layer, the third dielectric layer filling an entirety of a third trench between the third fin and the fourth fin.Type: GrantFiled: August 4, 2023Date of Patent: December 10, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yi Chen Ho, Yiting Chang, Lun-Kuang Tan, Chien Lin
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Publication number: 20240387292Abstract: A method for forming a semiconductor device includes patterning a substrate to form a strip including a first semiconductor material, forming an isolation region along a sidewall of the strip, an upper portion of the strip extending above the isolation region, forming a dummy structure along sidewalls and a top surface of the upper portion of the strip, performing a first etching process on an exposed portion of the upper portion of the strip to form a first recess, the exposed portion of the strip being exposed by the dummy structure, after performing the first etching process, reshaping the first recess to have a V-shaped bottom surface using a second etching process, wherein the second etching process is selective to first crystalline planes having a first orientation relative to second crystalline planes having a second orientation, and epitaxially growing a source/drain region in the reshaped first recess.Type: ApplicationFiled: July 27, 2024Publication date: November 21, 2024Inventors: Chien Lin, Kun-Yu Lee, Shahaji B. More, Cheng-Han Lee, Shih-Chieh Chang
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Patent number: 12148794Abstract: In a method of manufacturing a semiconductor device, a fin structure in which first semiconductor layers and second semiconductor layers are alternately stacked is formed, a sacrificial gate structure is formed over the fin structure, a source/drain region of the fin structure, which is not covered by the sacrificial gate structure, is etched, thereby forming a source/drain space, the first semiconductor layers are laterally etched through the source/drain space, and a source/drain epitaxial layer is formed in the source/drain space. An inner spacer made of a dielectric material is formed on an end of each of the etched first semiconductor layers and at least one of the spacer has width changes along vertical direction of device. At least one of the first semiconductor layers has a composition different from another of the first semiconductor layers.Type: GrantFiled: June 29, 2022Date of Patent: November 19, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shu Kuan, Shahaji B. More, Chien Lin, Cheng-Han Lee, Shih-Chieh Chang
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Publication number: 20240371982Abstract: In a method of manufacturing a semiconductor device, a fin structure, in which first semiconductor layers and second semiconductor layers are alternately stacked, is formed. A sacrificial gate structure is formed over the fin structure. A source/drain region of the fin structure, which is not covered by the sacrificial gate structure, is etched, thereby forming a source/drain space. The first semiconductor layers are laterally etched through the source/drain space. An inner spacer made of a dielectric material is formed on an end of each of the etched first semiconductor layers. A source/drain epitaxial layer is formed in the source/drain space to cover the inner spacer. At least one of the first semiconductor layers has a composition which changes along a stacked direction of the first semiconductor layers and second semiconductor layers.Type: ApplicationFiled: July 17, 2024Publication date: November 7, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shahaji B. MORE, Chien LIN, Cheng-Han LEE, Shih-Chieh CHANG, Shu KUAN
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Publication number: 20240371867Abstract: An integrated circuit die includes a FinFET transistor. The FinFET transistor includes an anti-punch through region below a channel region. Undesirable dopants are removed from the anti-punch through region during formation of the source and drain regions. When source and drain recesses are formed, a layer of dielectric material is deposited in the recesses. An annealing process is then performed. Undesirable dopants diffuse from the anti-punch through region into the layer of dielectric material during the annealing process. The layer of dielectric material is then removed. The source and drain regions are then formed by depositing semiconductor material in the recesses.Type: ApplicationFiled: July 15, 2024Publication date: November 7, 2024Inventors: Yi-Chen HO, Chien LIN, Tzu-Wei LIN, Ju Ru HSIEH, Ching-Lun LAI, Ming-Kai LO
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Patent number: 12119394Abstract: In a method of manufacturing a semiconductor device, a fin structure, in which first semiconductor layers and second semiconductor layers are alternately stacked, is formed. A sacrificial gate structure is formed over the fin structure. A source/drain region of the fin structure, which is not covered by the sacrificial gate structure, is etched, thereby forming a source/drain space. The first semiconductor layers are laterally etched through the source/drain space. An inner spacer made of a dielectric material is formed on an end of each of the etched first semiconductor layers. A source/drain epitaxial layer is formed in the source/drain space to cover the inner spacer. At least one of the first semiconductor layers has a composition which changes along a stacked direction of the first semiconductor layers and second semiconductor layers.Type: GrantFiled: June 17, 2022Date of Patent: October 15, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shahaji B. More, Chien Lin, Cheng-Han Lee, Shih-Chieh Chang, Shu Kuan
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Publication number: 20240332190Abstract: The present disclosure provides a structure and a method to reduce electro-migration. An interconnect structure according to the present disclosure includes a conductive feature embedded in a dielectric layer, a capping barrier layer disposed over the conductive feature and the dielectric layer, and an adhesion layer sandwiched between the capping barrier layer and the dielectric layer. The adhesion layer includes a degree of crystallinity between about 40% and about 70%.Type: ApplicationFiled: June 12, 2024Publication date: October 3, 2024Inventors: Yi-Chen Ho, Chien Lin, Cheng-Yeh Yu, Hsin-Hsing Chen, Ju Ru Hsieh
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Patent number: 12068317Abstract: An integrated circuit die includes a FinFET transistor. The FinFET transistor includes an anti-punch through region below a channel region. Undesirable dopants are removed from the anti-punch through region during formation of the source and drain regions. When source and drain recesses are formed, a layer of dielectric material is deposited in the recesses. An annealing process is then performed. Undesirable dopants diffuse from the anti-punch through region into the layer of dielectric material during the annealing process. The layer of dielectric material is then removed. The source and drain regions are then formed by depositing semiconductor material in the recesses.Type: GrantFiled: April 22, 2022Date of Patent: August 20, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yi-Chen Ho, Chien Lin, Tzu-Wei Lin, Ju Ru Hsieh, Ching-Lun Lai, Ming-Kai Lo
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Patent number: 12027261Abstract: According to one or more aspects of the present disclosure a wearable oral device is provided. The wearable oral device may include a mouthpiece; a bone conduction component; and a processing device. The processing device may detect one or more user interactions by a first user with the wearable oral device; and perform one or more operations in view of the one or more user interactions. The one or more user interactions may include a user interaction by the first user with the mouthpiece. The one or more operations may include presenting a content item via the bone conduction component of the wearable oral device. The content item may include audio content. In some embodiments, the content item comprises a voice message from a second user.Type: GrantFiled: April 28, 2021Date of Patent: July 2, 2024Inventors: Xiao Liu, Eric Yuansuo Schee, Chien Lin, Vincent Chen
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Patent number: 12014987Abstract: The present disclosure provides a structure and a method to reduce electro-migration. An interconnect structure according to the present disclosure includes a conductive feature embedded in a dielectric layer, a capping barrier layer disposed over the conductive feature and the dielectric layer, and an adhesion layer sandwiched between the capping barrier layer and the dielectric layer. The adhesion layer includes a degree of crystallinity between about 40% and about 70%.Type: GrantFiled: July 20, 2022Date of Patent: June 18, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yi-Chen Ho, Chien Lin, Cheng-Yeh Yu, Hsin-Hsing Chen, Ju Ru Hsieh
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Patent number: 11855092Abstract: In an embodiment, a method includes forming a plurality of semiconductor fins over a substrate, the plurality of semiconductor fins comprising a first fin, a second fin, a third fin, and a fourth fin; forming a first dielectric layer over the plurality of semiconductor fins, the first dielectric layer filling an entirety of a first trench between the first fin and the second fin; forming a second dielectric layer over the first dielectric layer, the second dielectric layer filling an entirety of a second trench between the second fin and the third fin, the forming the second dielectric layer comprising: forming an oxynitride layer; and forming an oxide layer; and forming a third dielectric layer over the second dielectric layer, the third dielectric layer filling an entirety of a third trench between the third fin and the fourth fin.Type: GrantFiled: April 16, 2021Date of Patent: December 26, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yi Chen Ho, Yiting Chang, Lun-Kuang Tan, Chien Lin
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Publication number: 20230377991Abstract: A method for forming a semiconductor device includes patterning a substrate to form a strip including a first semiconductor material, forming an isolation region along a sidewall of the strip, an upper portion of the strip extending above the isolation region, forming a dummy structure along sidewalls and a top surface of the upper portion of the strip, performing a first etching process on an exposed portion of the upper portion of the strip to form a first recess, the exposed portion of the strip being exposed by the dummy structure, after performing the first etching process, reshaping the first recess to have a V-shaped bottom surface using a second etching process, wherein the second etching process is selective to first crystalline planes having a first orientation relative to second crystalline planes having a second orientation, and epitaxially growing a source/drain region in the reshaped first recess.Type: ApplicationFiled: August 8, 2023Publication date: November 23, 2023Inventors: Chien Lin, Kun-Yu Lee, Shahaji B. More, Cheng-Han Lee, Shih-Chieh Chang
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Publication number: 20230369070Abstract: The present disclosure relates to a method for fabricating a system on integrated chip (SoIC) package. Particularly, a glue layer is deposited on sidewalls of semiconductor dies prior to depositing a dielectric filling material between the semiconductor dies. The glue layer may be a nitrogen containing layer, such as silicon nitride, silicon carbon nitride, and silicon oxygen nitride. The dielectric filling material may be a silicon oxide formed from TEOS or mDEOS. The glue layer increases adhesion between the dielectric filling material and semiconductor dies.Type: ApplicationFiled: August 31, 2022Publication date: November 16, 2023Inventors: Yi Chen HO, Chien LIN
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Publication number: 20230343583Abstract: A method for forming a semiconductor device structure is described. The method includes forming a first semiconductor layer over a substrate in a processing chamber and performing a purge process. The purge process includes flowing a chlorine-containing gas into the processing chamber. The method further includes forming a second semiconductor layer over the first semiconductor layer, and an interface region is formed between the first and second semiconductor layers.Type: ApplicationFiled: August 2, 2022Publication date: October 26, 2023Inventors: Shahaji B. MORE, Chien LIN