Patents by Inventor Saagar A. Shah
Saagar A. Shah 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).
-
Patent number: 11937381Abstract: A method for manufacturing an electronic device includes providing a substrate with a first major surface having a microchannel, wherein the microchannel has a first end and a second end; dispensing a conductive liquid in the microchannel to cause the conductive liquid to move, primarily by capillary pressure, in a first direction toward the first end of the microchannel and in a second direction toward the second end of the microchannel; and solidifying the conductive liquid to form an electrically conductive trace electrically connecting a first electronic device at the first end of the microchannel to a second electronic device at the second end of the microchannel.Type: GrantFiled: December 30, 2019Date of Patent: March 19, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Ankit Mahajan, Mikhail L Pekurovsky, Saagar A. Shah, Kayla C. Niccum, Kara A. Meyers, Christopher G. Walker
-
Patent number: 11894164Abstract: A stretchable conductor includes a substrate with a first major surface, wherein the substrate is an elastomeric material. An elongate wire is on the first major surface of the substrate; the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Composite articles including a stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.Type: GrantFiled: September 23, 2020Date of Patent: February 6, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPNAYInventors: Ankit Mahajan, James Zhu, Saagar A. Shah, Mikhail L. Pekurovsky, Vivek Krishnan, Kevin T. Reddy, Christopher B. Walker, Jr., Michael A. Kropp, Kara A. Meyers, Teresa M. Goeddel, Thomas J. Metzler, Jonathan W. Kemling, Roger W. Barton
-
Publication number: 20230354527Abstract: Devices including electrical connections to embedded electronic components and methods of making the same are provided. The devices include a flexible electronic component buried inside a substrate. The free end of the flexible electronic component can be extracted to stick out of the major plane of the substrate as a projecting contact.Type: ApplicationFiled: January 22, 2021Publication date: November 2, 2023Inventors: Ankit Mahajan, Mikhail L. Pekurovsky, Kara A. Meyers, Saagar A. Shah, Kayla C. Niccum
-
Patent number: 11699865Abstract: Flexible electrical connectors are provided to electrically connect electronic devices. The flexible electrical connector includes a removable adhesive tape strip having an adhesive surface thereof and an electrically conductive trace disposed on the adhesive tape strip. The flexible electrical connector engages an electronic device to form an electrical contact where the adhesive tape strip has an adhesive surface removably adhesively bonded to the substrate of the electronic device to at least partially cover the electrical contact.Type: GrantFiled: May 1, 2020Date of Patent: July 11, 2023Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kayla C. Niccum, Ankit Mahajan, Mikhail L. Pekurovsky, Nicholas T. Gabriel, Roger W. Barton, Kara A. Meyers, Saagar A. Shah, Jonathan W. Kemling, Richard C. Webb
-
Patent number: 11628541Abstract: A bonded abrasive wheel is disclosed comprising a plurality of abrasive particles disposed in a binder, a first grinding surface, a second surface opposing the first grinding surface, and an outer circumference. The wheel comprises a rotational axis extending through a central hub and a circuit configured as a Radio Frequency Identification (RFID) unit coupled to the abrasive wheel. The circuit comprises an antenna configured to communicate with one or more external devices and comprising a first end and a second end, wherein antenna has a radius of curvature about an axis along at least a portion thereof such that the first end is disposed adjacent to but is spaced from the second end, and an integrated circuit (IC) operably coupled to the antenna and configured to store at least a first data.Type: GrantFiled: December 17, 2021Date of Patent: April 18, 2023Assignee: 3M Innovative Properties CompanyInventors: Joseph B. Eckel, Nicholas T. Gabriel, Ankit Mahajan, Mikhail L. Pekurovsky, Kara A. Meyers, Thomas J. Metzler, Saagar A. Shah
-
Publication number: 20220367325Abstract: A pattern of microchannels is formed on a major surface of a substrate on the side opposite an adhesive surface thereof. Through holes extend through the substrate and are connected to the pattern of microchannels. Solid circuit dies are adhesively bonded to the adhesive surface of the substrate. The contact pads of the solid circuit dies at least partially overlie and face the through holes. Electrically conductive channel traces are formed to electrically connect to the solid circuit dies via the through holes.Type: ApplicationFiled: September 17, 2020Publication date: November 17, 2022Inventors: Kayla C. Niccum, Ankit Mahajan, Saagar A. Shah, Kara A. Meyers, Mikhail L. Pekurovsky, Jonathan W. Kemling, David C. Mercord, Pranati Mondkar
-
Patent number: 11503720Abstract: Flexible devices including conductive traces with enhanced stretchability, and methods of making and using the same are provided. The circuit die is disposed on a flexible substrate. Electrically conductive traces are formed in channels on the flexible substrate to electrically contact with contact pads of the circuit die. A first polymer liquid flows in the channels to cover a free surface of the traces. The circuit die can also be surrounded by a curing product of a second polymer liquid.Type: GrantFiled: September 12, 2019Date of Patent: November 15, 2022Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Saagar Shah, Mikhail L. Pekurovsky, Ankit Mahajan, Lyudmila A. Pekurovsky, Jessica Chiu, Jeremy K. Larsen, Kara A. Meyers, Teresa M. Goeddel, Thomas J. Metzler, Jonathan W. Kemling, Richard J. Pokorny, Benjamin R. Coonce, Chad M. Amb, Thomas P. Klun
-
Publication number: 20220352108Abstract: A method comprises: providing a layer of curable adhesive material (4) on a substrate (2); forming a pattern of microstructures (321) on the layer of curable adhesive material (4); curing a first region (42) of the layer of curable adhesive material (4) at a first level and a second region (44) of the layer of curable adhesive material (4) at a second level greater than the first level; providing a solid circuit die (6) to directly attach to a major surface of the first region (42) of the layer of curable adhesive material (4); and further curing the first region (42) of the layer of curable adhesive material (4) to anchor the solid circuit die (6) on the first region (42) by forming an adhesive bond therebetween.Type: ApplicationFiled: November 30, 2020Publication date: November 3, 2022Inventors: Teresa M. Goeddel, Ankit Mahajan, Mikhail L. Pekurovsky, Saagar A. Shah, Kara A. Meyers, Christopher G. Walker
-
Publication number: 20220209436Abstract: Flexible electrical connectors are provided to electrically connect electronic devices. The flexible electrical connector includes a removable adhesive tape strip having an adhesive surface thereof and an electrically conductive trace disposed on the adhesive tape strip. The flexible electrical connector engages an electronic device to form an electrical contact where the adhesive tape strip has an adhesive surface removably adhesively bonded to the substrate of the electronic device to at least partially cover the electrical contact.Type: ApplicationFiled: May 1, 2020Publication date: June 30, 2022Inventors: Kayla C. Niccum, Ankit Mahajan, Mikhail L. Pekurovsky, Nicholas T. Gabriel, Roger W. Barton, Kara A. Meyers, Saagar A. Shah, Jonathan W. Kemling, Richard C. Webb
-
Publication number: 20220189790Abstract: A method includes placing an electronic device on a pliable mating surface on a major surface of a mold such that at least one contact pad on the electronic device presses against the pliable mating surface. The pliable mating surface is on a microstructure in an arrangement of microstructures on the major surface of the mold. A liquid encapsulant material is applied over the electronic device and the major surface of the mold, and then hardened to form a carrier for the electronic device. The mold and the carrier are separated such that the microstructures on the mold form a corresponding arrangement of microchannels in the carrier, and at least one contact pad on the electronic device is exposed in a microchannel in the arrangement of microchannels. A conductive particle-containing liquid is deposited in the microchannel, which directly contacts the contact pad exposed in the microchannel.Type: ApplicationFiled: April 14, 2020Publication date: June 16, 2022Inventors: Ankit Mahajan, Saagar A. Shah, Mikhail L. Pekurovsky, Kayla C. Niccum, Kara A. Meyers, Matthew R.D. Smith, Gino L. Pitera, Graham M. Clarke, Jeremy K. Larsen, Teresa M. Goeddel
-
Publication number: 20220111490Abstract: A bonded abrasive wheel is disclosed comprising a plurality of abrasive particles disposed in a binder, a first grinding surface, a second surface opposing the first grinding surface, and an outer circumference. The wheel comprises a rotational axis extending through a central hub and a circuit configured as a Radio Frequency Identification (RFID) unit coupled to the abrasive wheel. The circuit comprises an antenna configured to communicate with one or more external devices and comprising a first end and a second end, wherein antenna has a radius of curvature about an axis along at least a portion thereof such that the first end is disposed adjacent to but is spaced from the second end, and an integrated circuit (IC) operably coupled to the antenna and configured to store at least a first data.Type: ApplicationFiled: December 17, 2021Publication date: April 14, 2022Inventors: Joseph B. Eckel, Nicholas T. Gabriel, Ankit Mahajan, Mikhail L. Pekurovsky, Kara A. Meyers, Thomas J. Metzler, Saagar A. Shah
-
Publication number: 20220078918Abstract: A method for manufacturing an electronic device includes providing a substrate with a first major surface having a microchannel, wherein the microchannel has a first end and a second end; dispensing a conductive liquid in the microchannel to cause the conductive liquid to move, primarily by capillary pressure, in a first direction toward the first end of the microchannel and in a second direction toward the second end of the microchannel; and solidifying the conductive liquid to form an electrically conductive trace electrically connecting a first electronic device at the first end of the microchannel to a second electronic device at the second end of the microchannel.Type: ApplicationFiled: December 30, 2019Publication date: March 10, 2022Inventors: Ankit Mahajan, Mikhail L. Pekurovsky, Saagar A. Shah, Kayla C. Niccum, Kara A. Meyers, Christopher G. Walker
-
Publication number: 20220048286Abstract: Methods, apparatuses and systems for printing an ink pattern on a moving web via die cutting are provided. A die roll including an inked pattern of die blades contacts a substrate to cut or cleave the substrate surface. While the die blades withdraw from the substrate, at least some of the ink transfers from the die blades to the cut substrate to form an ink pattern.Type: ApplicationFiled: October 16, 2019Publication date: February 17, 2022Inventors: Thomas J. Metzler, Kara A. Meyers, Saagar A. Shah, Mikhail L. Pekurovsky, Matthew S. Stay, Shawn C. Dodds, Kevin T. Reddy, John T. Strand, Daniel J. Theis, Jeremy O. Swanson, Daniel M. Lentz
-
Publication number: 20220037278Abstract: An article includes a solid circuit die on a first major surface of a substrate, wherein the solid circuit die includes an arrangement of contact pads, and wherein at least a portion of the contact pads in the arrangement of contact pads are at least partially exposed on the first major surface of the substrate to provide an arrangement of exposed contact pads; a guide layer including an arrangement of microchannels, wherein the guide layer contacts the first major surface of the substrate such that at least some microchannels in the arrangement of microchannels overlie the at least some exposed contact pads in the arrangement of exposed contact pads; and a conductive particle-containing liquid in at least some of the microchannels. Other articles and methods of manufacturing the articles are described.Type: ApplicationFiled: December 23, 2019Publication date: February 3, 2022Inventors: Ankit Mahajan, Saagar A. Shah, Daniel B. Taylor, Mikhail L. Pekurovsky, Kara A. Meyers, Kayla C. Niccum, David J. Rowe, Gino L. Pitera
-
Patent number: 11229987Abstract: A bonded abrasive wheel is disclosed comprising a plurality of abrasive particles disposed in a binder, a first grinding surface, a second surface opposing the first grinding surface, and an outer circumference. The wheel comprises a rotational axis extending through a central hub and a circuit configured as a Radio Frequency Identification (RFID) unit coupled to the abrasive wheel. The circuit comprises an antenna configured to communicate with one or more external devices and comprising a first end and a second end, wherein antenna has a radius of curvature about an axis along at least a portion thereof such that the first end is disposed adjacent to but is spaced from the second end, and an integrated circuit (IC) operably coupled to the antenna and configured to store at least a first data.Type: GrantFiled: August 15, 2019Date of Patent: January 25, 2022Assignee: 3M Innovative Properties CompanyInventors: Joseph B. Eckel, Nicholas T. Gabriel, Ankit Mahajan, Mikhail L. Pekurovsky, Kara A. Meyers, Thomas J. Metzler, Saagar A. Shah
-
Publication number: 20210319955Abstract: Ultrathin and flexible electrical devices including circuit dies such as, for example, a capacitor chip, a resistor chip, and/or an inductor chip, and methods of making and using the same are provided. Circuit dies are attached to a major surface of a flexible substrate having channels Electrically conductive traces are formed in the channels, self-aligned with the circuit dies, and in direct contact with the bottom surface of the circuit dies.Type: ApplicationFiled: May 16, 2019Publication date: October 14, 2021Inventors: Ankit Mahajan, Saagar A. Shah, Mikhail L. Pekurovsky, Thomas J. Metzler, Kayla C. Niccum, Eric A. Vandre, Aniruddha Upadhye, Robert R. Owings, Jeremy K. Larsen, Zohaib Hameed
-
Publication number: 20210280337Abstract: A stretchable conductor includes a substrate with a first major surface, wherein the substrate is an elastomeric material. An elongate wire is on the first major surface of the substrate; the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Composite articles including a stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.Type: ApplicationFiled: September 23, 2020Publication date: September 9, 2021Inventors: Ankit Mahajan, James Zhu, Saagar A. Shah, Mikhail L. Pekurovsky, Vivek Krishnan, Kevin T. Reddy, Christopher B. Walker, JR., Michael A. Kropp, Kara A. Meyers, Teresa M. Goeddel, Thomas J. Metzler, Jonathan W. Kemling, Roger W. Barton
-
Patent number: 11114599Abstract: Electronic devices including a layer of polymeric material and solid semiconductor dies partially embedded in the layer are provided. The dies have first ends projecting away from the first major surface of the layer. The electronic devices can be formed by sinking the first ends of the dies into a major surface of a liner. A flowable polymeric material is filled into the space between the dies and solidified to form the layer of polymeric material. The first ends of the dies are exposed by delaminating the liner from the first ends of the dies. Electrical conductors are provided on the layer to connect the first ends of the dies.Type: GrantFiled: March 22, 2018Date of Patent: September 7, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Ankit Mahajan, Mikhail L. Pekurovsky, Matthew S. Stay, Shawn C. Dodds, Thomas J. Metzler, Matthew R. D. Smith, Saagar A. Shah, Jae Yong Lee, James F. Poch, Roger W. Barton
-
Publication number: 20210235586Abstract: Processes of making an electrical jumper (120) for electrical devices are provided. A micro-replication stamp (300) is used to press a layer of curable material (124) on a circuit substrate (102) to make patterned features. A conductive liquid (230) is disposed into the patterned features to make electrically conductive traces (126) that pass over a circuitry (110) and connect electrical contacts (122A, 122B). In some cases, the stamp (300) has a standoff (310).Type: ApplicationFiled: March 27, 2019Publication date: July 29, 2021Inventors: Teresa M. Goeddel, Ankit Mahajan, Mikhail L. Pekurovsky, Thomas J. Metzler, Saagar A. Shah, Kara A. Meyers, Jonathan W. Kemling, Jeremy K. Larsen
-
Publication number: 20210212216Abstract: Flexible devices including conductive traces with enhanced stretchability, and methods of making and using the same are provided. The circuit die is disposed on a flexible substrate. Electrically conductive traces are formed in channels on the flexible substrate to electrically contact with contact pads of the circuit die. A first polymer liquid flows in the channels to cover a free surface of the traces. The circuit die can also be surrounded by a curing product of a second polymer liquid.Type: ApplicationFiled: September 12, 2019Publication date: July 8, 2021Inventors: Saagar Shah, Mikhail L. Pekurovsky, Ankit Mahajan, Lyudmila A. Pekurovsky, Jessica Chiu, Jeremy K. Larsen, Kara A. Meyers, Teresa M. Goeddel, Thomas J. Metzler, Jonathan W. Kemling, Richard J. Pokorny, Benjamin R. Coonce, Chad M. Amb, Thomas P. Klun