Patents by Inventor Shantanu Rajiv GADGIL
Shantanu Rajiv GADGIL 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: 20240162030Abstract: A lamp and epitaxial processing apparatus are described herein. In one example, the lamp includes a bulb, a filament, and a plurality of filament supports disposed in spaced-apart relation to the filament, each of the filament supports having a hook support and a hook. The hook includes a connector configured to fasten the hook to the hook support, a first vertical portion extending from the connector toward the filament, and a rounded portion extending from an end of the first vertical portion distal from the connector and configured to wrap around the filament. A second vertical portion extends from an end of the rounded portion distal from the first vertical portion and the second vertical portion has a length between 60% and 100% of the length of the first vertical portion.Type: ApplicationFiled: January 12, 2024Publication date: May 16, 2024Inventors: Yao-Hung YANG, Shantanu Rajiv GADGIL, Kaushik RAO, Vincent Joseph KIRCHHOFF, Sagir KADIWALA, Munirah MAHYUDIN, Daniel CHOU
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Patent number: 11881392Abstract: A lamp and epitaxial processing apparatus are described herein. In one example, the lamp includes a bulb, a filament, and a plurality of filament supports disposed in spaced-apart relation to the filament, each of the filament supports having a hook support and a hook. The hook includes a connector configured to fasten the hook to the hook support, a first vertical portion extending from the connector toward the filament, and a rounded portion extending from an end of the first vertical portion distal from the connector and configured to wrap around the filament. A second vertical portion extends from an end of the rounded portion distal from the first vertical portion and the second vertical portion has a length between 60% and 100% of the length of the first vertical portion.Type: GrantFiled: May 11, 2023Date of Patent: January 23, 2024Assignee: Applied Materials, Inc.Inventors: Yao-Hung Yang, Shantanu Rajiv Gadgil, Kaushik Rao, Vincent Joseph Kirchhoff, Sagir Kadiwala, Munirah Mahyudin, Daniel Chou
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Publication number: 20230377870Abstract: A lamp and epitaxial processing apparatus are described herein. In one example, the lamp includes a bulb, a filament, and a plurality of filament supports disposed in spaced-apart relation to the filament, each of the filament supports having a hook support and a hook. The hook includes a connector configured to fasten the hook to the hook support, a first vertical portion extending from the connector toward the filament, and a rounded portion extending from an end of the first vertical portion distal from the connector and configured to wrap around the filament. A second vertical portion extends from an end of the rounded portion distal from the first vertical portion and the second vertical portion has a length between 60% and 100% of the length of the first vertical portion.Type: ApplicationFiled: May 11, 2023Publication date: November 23, 2023Inventors: Yao-Hung YANG, Shantanu Rajiv Gadgil, Kaushik Rao, Vincent Joseph Kirchhoff, Sagir Kadiwala, Munirah Mahyudin, Daniel Chou
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Patent number: 11756804Abstract: In a chemical mechanical polishing system, a platen shield cleaning assembly is installed on a rotatable platen in a gap between the rotatable platen and a platen shield. The assembly includes a sponge holder attached to the platen and a sponge. The sponge is held by the sponge holder such that an outer surface of the sponge is pressed against an inner surface of the platen shield.Type: GrantFiled: December 29, 2022Date of Patent: September 12, 2023Assignee: Applied Materials, Inc.Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Allen L. D'Ambra
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Publication number: 20230278165Abstract: A method of cleaning a conditioner head includes bringing two clamps of a cleaning tool inward toward a disk-shaped pad conditioner head to press a sponge against an outer surface of the disk-shaped pad conditioner head, and creating relative motion between the cleaning tool and the pad conditioner head to wipe the sponge against the pad conditioner head.Type: ApplicationFiled: May 11, 2023Publication date: September 7, 2023Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Michael J. Coughlin, Allen L. D`Ambra
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Patent number: 11648645Abstract: A method of cleaning a conditioner head includes bringing two clamps of a cleaning tool inward toward a disk-shaped pad conditioner head to press a sponge against an outer surface of the disk-shaped pad conditioner head, and creating relative motion between the cleaning tool and the pad conditioner head to wipe the sponge against the pad conditioner head.Type: GrantFiled: June 24, 2022Date of Patent: May 16, 2023Assignee: Applied Materials, Inc.Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Michael J. Coughlin, Allen L. D'Ambra
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Publication number: 20230146929Abstract: In a chemical mechanical polishing system, a platen shield cleaning assembly is installed on a rotatable platen in a gap between the rotatable platen and a platen shield. The assembly includes a sponge holder attached to the platen and a sponge. The sponge is held by the sponge holder such that an outer surface of the sponge is pressed against an inner surface of the platen shield.Type: ApplicationFiled: December 29, 2022Publication date: May 11, 2023Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Allen L. D`Ambra
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Publication number: 20230060141Abstract: Chemically impregnated applicators used to provide hydrophobic surfaces on chemical mechanical polishing system components and related application methods are shown. A method of forming a hydrophobic coating on a surface of a polishing system component includes cleaning the surface of the polishing system component to remove a polishing fluid residue therefrom and applying a hydrophobicity causing chemical solution to the surface of the polishing system component.Type: ApplicationFiled: October 31, 2022Publication date: March 2, 2023Inventors: Shantanu Rajiv GADGIL, Sumit Subhash PATANKAR, Nathan Arron DAVIS, Michael J. COUGHLIN, Allen L. D'AMBRA
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Patent number: 11545371Abstract: In a chemical mechanical polishing system, a platen shield cleaning assembly is installed on a rotatable platen in a gap between the rotatable platen and a platen shield. The assembly includes a sponge holder attached to the platen and a sponge. The sponge is held by the sponge holder such that an outer surface of the sponge is pressed against an inner surface of the platen shield.Type: GrantFiled: June 23, 2020Date of Patent: January 3, 2023Assignee: Applied Materials, Inc.Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Allen L. D'Ambra
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Patent number: 11484987Abstract: Chemically impregnated applicators used to provide hydrophobic surfaces on chemical mechanical polishing system components and related application methods. A method of forming a hydrophobic coating on a surface of a polishing system component includes cleaning the surface of the polishing system component to remove a polishing fluid residue therefrom and applying a hydrophobicity causing chemical solution to the surface of the polishing system component.Type: GrantFiled: March 9, 2020Date of Patent: November 1, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Michael J. Coughlin, Allen L. D'Ambra
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Publication number: 20220314397Abstract: A method of cleaning a conditioner head includes bringing two clamps of a cleaning tool inward toward a disk-shaped pad conditioner head to press a sponge against an outer surface of the disk-shaped pad conditioner head, and creating relative motion between the cleaning tool and the pad conditioner head to wipe the sponge against the pad conditioner head.Type: ApplicationFiled: June 24, 2022Publication date: October 6, 2022Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Michael J. Coughlin, Allen L. D`Ambra
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Patent number: 11370083Abstract: A pad conditioner head cleaning tool has a first clamp configured to removably engage a first portion of a sponge against an outer surface of a disk-shaped pad conditioner head at a first location, a second clamp configured to removable engage a second portion of the sponge against the outer surface of the disk-shaped pad conditioner head at a second location, and an arm coupling the first clamp to the second clamp. The arm is sufficiently flexible to permit the first clamp and the second clamp to be separated to fit around the disk-shaped pad conditioner head and sufficiently tensile to bias the first clamp and the second clamp inwardly to press the sponge against an outer surface of a pad conditioner head.Type: GrantFiled: July 17, 2020Date of Patent: June 28, 2022Assignee: Applied Materials, Inc.Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Michael J. Coughlin, Allen L. D'Ambra
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Publication number: 20220008946Abstract: Embodiments of showerheads for use in a process chamber and methods of reducing drooping of a showerhead faceplate are provided herein. In some embodiments, a showerhead for use in a process chamber includes: a faceplate having a plurality of gas distribution holes disposed therethrough; and one or more cables that engage with the faceplate and configured to prestress the faceplate.Type: ApplicationFiled: July 1, 2021Publication date: January 13, 2022Inventors: Yao-Hung YANG, Shantanu Rajiv GADGIL, Tanmay Pramod GURJAR, Sudhir R. GONDHALEKAR
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Publication number: 20210402561Abstract: A pad conditioner head cleaning tool has a first clamp configured to removably engage a first portion of a sponge against an outer surface of a disk-shaped pad conditioner head at a first location, a second clamp configured to removable engage a second portion of the sponge against the outer surface of the disk-shaped pad conditioner head at a second location, and an arm coupling the first clamp to the second clamp. The arm is sufficiently flexible to permit the first clamp and the second clamp to be separated to fit around the disk-shaped pad conditioner head and sufficiently tensile to bias the first clamp and the second clamp inwardly to press the sponge against an outer surface of a pad conditioner head.Type: ApplicationFiled: July 17, 2020Publication date: December 30, 2021Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Michael J. Coughlin, Allen L. D`Ambra
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Publication number: 20210402565Abstract: A polishing assembly includes a rotatable platen to support a polishing pad, a polishing liquid delivery arm having an enclosure open at a bottom thereof and one or more ports to deliver a polishing liquid and a cleaning fluid downwardly through an interior space of the enclosure onto the polishing pad, and a delivery arm cleaning tool removably attached to the polishing liquid delivery arm, the cleaning tool extending below the delivery arm and having a delivery arm-facing surface shaped such that the cleaning tool directs the cleaning fluid from the polishing liquid delivery arm on to a surface of the enclosure of the polishing liquid delivery arm.Type: ApplicationFiled: June 10, 2021Publication date: December 30, 2021Inventors: Roy C. Nangoy, Shantanu Rajiv Gadgil, Nathan Arron Davis, Allen L. D`Ambra, Michael J. Coughlin, Sumit Subhash Patankar
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Publication number: 20210394540Abstract: In a chemical mechanical polishing system, a platen shield cleaning assembly is installed on a rotatable platen in a gap between the rotatable platen and a platen shield. The assembly includes a sponge holder attached to the platen and a sponge. The sponge is held by the sponge holder such that an outer surface of the sponge is pressed against an inner surface of the platen shield.Type: ApplicationFiled: June 23, 2020Publication date: December 23, 2021Inventors: Shantanu Rajiv Gadgil, Sumit Subhash Patankar, Nathan Arron Davis, Allen L. D`Ambra
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Publication number: 20210276144Abstract: Embodiments herein relate to chemically impregnated applicators which may be used to provide hydrophobic surfaces on CMP system components and related application methods. In one embodiment, a method of forming a hydrophobic coating on a surface of a polishing system component includes cleaning the surface of the polishing system component to remove a polishing fluid residue therefrom and applying a hydrophobicity causing chemical solution to the surface of the polishing system component.Type: ApplicationFiled: March 9, 2020Publication date: September 9, 2021Inventors: Shantanu Rajiv GADGIL, Sumit Subhash PATANKAR, Nathan Arron DAVIS, Michael J. COUGHLIN, Allen L. D'AMBRA