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    Method to control the relative position between a body and a surface 

    Sidlgata V. Sreenivasan; Stephen C. Johnson; Byung-Jin Choi (United States Patent and Trademark Office, 2005-10-18)
    A method to control a relative position between a surface and a body to form a pattern in the surface that features moving a body to obtain a desired relationship between the surface and the body. To that end, the method ...
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    Apparatus to control displacement of a body spaced-apart from a surface 

    Sidlgata V. Sreenivasan; Stephen C. Johnson; Byung-Jin Choi (United States Patent and Trademark Office, 2006-08-29)
    An apparatus to control displacement of a body spaced-apart from a surface includes a flexure system having a first flexure member defining a first axis of rotation and a second flexure member defining a second axis of ...
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    High-resolution overlay alignment methods for imprint lithography 

    Sidlgata V. Sreenivasan; Matthew E. Colburn; Todd Bailey; Byung J. Choi (United States Patent and Trademark Office, 2005-07-26)
    A method of determining and correcting alignment during imprint lithography process is described. During an imprint lithographic process the template may be aligned with the substrate by the use of alignment marks disposed ...
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    Functional nanoparticles 

    Sidlgata V. Sreenivasan; Frank Y. Xu; Vikramjit Singh; Shuqiang Yang (United States Patent and Trademark Office, 2015-02-24)
    Functional nanoparticles may be formed using at least one nano-lithography step. In one embodiment, sacrificial material may be patterned on a multi-layer substrate using an imprint lithography system. The pattern may be ...
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    Remote center compliant flexure device 

    Sidlgata V. Sreenivasan; Stephen C. Johnson; Byung-Jin Choi (United States Patent and Trademark Office, 2008-10-07)
    An apparatus to control displacement of a body spaced-apart from a surface includes a flexure system having a first flexure member defining a first axis of rotation and a second flexure member defining a second axis of ...
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    Substrate support system 

    Sidlgata V. Sreenivasan; Pawan Kumar Nimmakayala (United States Patent and Trademark Office, 2007-07-17)
    The present invention includes a substrate support system that features a chuck body having a body surface with a pin extending therefrom having a contact surface lying in a plane, with the pin being movably coupled to the ...
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    High precision orientation alignment and gap control stages for imprint lithography processes 

    Sidlgata V. Sreenivasan; Stephen C. Johnson; Byung-Jin Choi (United States Patent and Trademark Office, 2005-03-29)
    Processes and associated devices for high precision positioning of a template an substrate during imprint lithography includes a calibration system with a course calibration stage and a fine orientation stage capable of ...
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    Imprint lithography template having a feature size under 250 nm 

    Carlton Willson; John G. Ekerdt; Sidlgata V. Sreenivasan; Matthew E. Colburn; Byung-Jin Choi; Todd C. Bailey (United States Patent and Trademark Office, 2007-06-12)
    The present invention includes a template comprising a plurality of protrusions and a plurality of recessions with a distance between a zenith of any of the plurality of protrusions and a nadir of any one of the plurality ...
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    Device for holding a template for use in imprint lithography 

    Carlton Willson; John G. Ekerdt; Sidlgata V. Sreenivasan; Matthew E. Colburn; Byung-Jin Choi; Todd C. Bailey (United States Patent and Trademark Office, 2010-05-04)
    Described are imprint lithography templates, methods of forming and using the templates, and a template holder device. An imprint lithography template may include a body with a plurality of recesses on a surface of the ...
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    Multi-field overlay control in jet and flash imprint lithography 

    Sidlgata V. Sreenivasan; Anshuman Cherala; Paras Ajay (United States Patent and Trademark Office, 2019-01-29)
    Techniques for delivering sub-5 nm overlay control over multiple fields. One such technique reduces overlay from the wafer side using wafer-thermal actuators. In another technique, the topology of the template is optimized ...
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    Sidlgata V. Sreenivasan (39)
    Byung-Jin Choi (18)Matthew E. Colburn (11)Stephen C. Johnson (7)Byung J. Choi (5)Carlton Willson (5)John G. Ekerdt (5)Todd Bailey (5)Todd C. Bailey (5)Ovadia Abed (4)... View MoreSubject
    G03F7/0002 (39)
    B82Y40/00 (35)B82Y10/00 (32)G03F9/00 (18)B29C2043/025 (14)B29C35/0888 (12)B29C43/003 (12)B29C2035/0827 (11)B29C37/0053 (11)B29C43/021 (10)... View MoreDate Issued2010 - 2019 (16)2005 - 2009 (23)DepartmentBoard of Regents, University of Texas System (39)Has File(s)Yes (39)

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