Patents by Inventor Michael F. Mattes
Michael F. Mattes 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: 20100314726Abstract: An apparatus and method uses a first Faraday cage portion and a second Faraday cage portion to provide a Faraday cage enclosure surrounding at least one circuit device.Type: ApplicationFiled: September 29, 2009Publication date: December 16, 2010Applicant: Medtronic, Inc.Inventors: Tyler Mueller, Larry E. Tyler, Geoffrey Batchelder, Paul F. Gerrish, Michael F. Mattes, Anna J. Malin
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Patent number: 7838119Abstract: A process for fabricating a medical assembly having a medical device at least a portion of which is formed of inorganic material is provided. The medical assembly is suitable for substantially long-term implantation in a host animal. The process includes modifying a surface of the medical device to form a hydrophilic adhesion-promoting surface. The hydrophilic adhesion-promoting surface is coated with an alginate solution comprising alginate and the alginate is reacted with alkaline earth metal cations.Type: GrantFiled: February 9, 2006Date of Patent: November 23, 2010Assignee: Medtronic, Inc.Inventors: Michael F. Mattes, Alvin Rhorer
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Publication number: 20100155204Abstract: A micro electromechanical (MEMS) switch suitable for use in medical devices is provided, along with methods of producing and using MEMS switches. In one aspect, a micro electromechanical switch including a moveable member configured to electrically cooperate with a receiving terminal is formed on a substrate. The moveable member and the receiving terminal each include an insulating layer proximate to the substrate and a conducting layer proximate to the insulating layer opposite the substrate. In various embodiments, the conducting layers of the moveable member and/or receiving terminal include a protruding region that extends outward from the substrate to switchably couple the conducting layers of the moveable member and the receiving terminal to thereby form a switch. The switch may be actuated using, for example, electrostatic energy.Type: ApplicationFiled: March 4, 2010Publication date: June 24, 2010Inventors: Rogier Receveur, Philippe Habets, Ralph B. Danzl, Richard P.M. Houben, Michael F. Mattes
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Patent number: 7688166Abstract: A micro electromechanical (MEMS) switch suitable for use in medical devices is provided, along with methods of producing and using MEMS switches. In one aspect, a micro electromechanical switch including a moveable member configured to electrically cooperate with a receiving terminal is formed on a substrate. The moveable member and the receiving terminal each include an insulating layer proximate to the substrate and a conducting layer proximate to the insulating layer opposite the substrate. In various embodiments, the conducting layers of the moveable member and/or receiving terminal include a protruding region that extends outward from the substrate to switchably couple the conducting layers of the moveable member and the receiving terminal to thereby form a switch. The switch may be actuated using, for example, electrostatic energy.Type: GrantFiled: September 18, 2006Date of Patent: March 30, 2010Assignee: Medtronic, Inc.Inventors: Rogier Receveur, Philippe Habets, Ralph B. Danzl, Richard P. M. Houben, Michael F. Mattes
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Patent number: 7477943Abstract: Methods and apparatus are provided for manufacturing a medical device. An implantable medical device includes a semiconductor substrate, an epitaxial layer, and a power transistor. The epitaxial layer overlies the semiconductor substrate. The power transistor is formed in the epitaxial layer and includes a first electrode, a control electrode, and a second electrode. The power transistor has a voltage breakdown greater than 100 volts. The current flow of the power transistor is vertical through the epitaxial layer to the semiconductor substrate. A backside contact couples to the first electrode of the power transistor. A method of manufacturing a medical device includes a power transistor formed in an epitaxial layer overlying a semiconductor substrate. A deep trench is etched through the epitaxial layer exposing the semiconductor substrate. A first electrode contact region couples to an exposed area of the semiconductor substrate in the deep trench.Type: GrantFiled: November 26, 2003Date of Patent: January 13, 2009Assignee: Medtronic, Inc.Inventors: Ralph B. Danzl, Mark R. Boone, Paul F. Gerrish, Michael F. Mattes, Tyler Mueller, Jeff Van Wagoner
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Patent number: 7190245Abstract: A micro electromechanical (MEMS) switch suitable for use in medical devices is provided, along with methods of producing and using MEMS switches. In one aspect, a micro electromechanical switch including a moveable member configured to electrically cooperate with a receiving terminal is formed on a substrate. The moveable member and the receiving terminal each include an insulating layer proximate to the substrate and a conducting layer proximate to the insulating layer opposite the substrate. In various embodiments, the conducting layers of the moveable member and/or receiving terminal include a protruding region that extends outward from the substrate to switchably couple the conducting layers of the moveable member and the receiving terminal to thereby form a switch. The switch may be actuated using, for example, electrostatic energy.Type: GrantFiled: April 29, 2003Date of Patent: March 13, 2007Assignee: Medtronic, Inc.Inventors: Rogier Receveur, Philippe Habets, Ralph B. Danzl, Richard P. M. Houben, Michael F. Mattes
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Patent number: 7142921Abstract: Methods and apparatus are provided for an accelerometer. The apparatus includes first, second, and third substrates. The first substrate includes the first plate of a first capacitor. The second substrate includes a moveable mass that is coupled to the second substrate by at least one spring. The moveable mass is the second plate of the first capacitor and the first plate of a second capacitor. The third substrate includes the second plate of the second capacitor. The moveable mass is prevented from moving in any direction where the at least one spring is inelastically flexed. The first substrate couples to the second substrate. The third substrate couples to the second substrate. The method includes forming a moveable mass in a substrate. The moveable mass is formed having a plurality of springs coupling the moveable mass to the substrate. The moveable mass is released using a dry etch.Type: GrantFiled: December 11, 2003Date of Patent: November 28, 2006Assignee: Medtronic, Inc.Inventors: Michael F. Mattes, Ralph B. Danzl, Andreas A. Fenner, Lary R. Larson
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Patent number: 7025982Abstract: A process for fabricating a medical assembly having a medical device at least a portion of which is formed of inorganic material is provided. The medical assembly is suitable for substantially long-term implantation in a host animal. The process includes modifying a surface of the medical device to form a hydrophilic adhesion-promoting surface. The hydrophilic adhesion-promoting surface is coated with an alginate solution comprising alginate and the alginate is reacted with alkaline earth metal cations.Type: GrantFiled: September 19, 2002Date of Patent: April 11, 2006Assignee: Medtronic, Inc.Inventors: Michael F. Mattes, Alvin Rhorer
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Patent number: 6821342Abstract: A method for forming a suspended microstructure is provided. The method includes providing a monocrystalline target substrate and subjecting the surface of the monocrystalline target substrate to ion implantation to form a microstructure layer at the surface of the monocrystalline target substrate. An epitaxial material layer is formed overlying the microstructure layer. A handle substrate is provided and a patterned interposed material layer is provided between the epitaxial material layer and the handle substrate. The epitaxial material layer, the patterned interposed material layer and the handle substrate are affixed. The method further includes thermally treating the monocrystalline target substrate to effect separation between the microstructure layer and a remainder of the monocrystalline target substrate.Type: GrantFiled: October 23, 2002Date of Patent: November 23, 2004Assignee: Medtronic, Inc.Inventors: Michael F. Mattes, Ralph B. Danzl
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Publication number: 20040216988Abstract: A micro electromechanical (MEMS) switch suitable for use in medical devices is provided, along with methods of producing and using MEMS switches. In one aspect, a micro electromechanical switch including a moveable member configured to electrically cooperate with a receiving terminal is formed on a substrate. The moveable member and the receiving terminal each include an insulating layer proximate to the substrate and a conducting layer proximate to the insulating layer opposite the substrate. In various embodiments, the conducting layers of the moveable member and/or receiving terminal include a protruding region that extends outward from the substrate to switchably couple the conducting layers of the moveable member and the receiving terminal to thereby form a switch. The switch may be actuated using, for example, electrostatic energy.Type: ApplicationFiled: April 29, 2003Publication date: November 4, 2004Inventors: Rogier Receveur, Philippe Habets, Ralph B. Danzl, Richard P.M. Houben, Michael F. Mattes
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Patent number: 6793830Abstract: A method for forming a microstructure from a substrate is provided. The method includes providing a monocrystalline substrate having a (100) orientation and subjecting a first portion of the substrate to ion bombardment to effect ion implantation to a desired penetration depth. A second portion of the substrate is etched to a depth at least as great as the desired penetration depth. The substrate then is thermally treated to form a microstructure at a surface of the substrate and to effect at least partial separation between the microstructure and the substrate.Type: GrantFiled: September 27, 2002Date of Patent: September 21, 2004Assignee: Medtronic, Inc.Inventors: Michael F. Mattes, Ralph B. Danzl
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Patent number: 6749581Abstract: A medical device known as a catheter is configured with a variable infusion rate to deliver a therapeutic substance such as pharmaceutical compositions, genetic materials, and biologics to treat a variety of medical conditions such as pain, spastisity, cancer, and other diseases in humans and other animals. The variable infusion rate catheter provides clinician with increased flexibility, versatility, and many other improvements. The variable infusion rate catheter has a Micro Electro Mechanical System (MEMS) flow restriction with a variable infusion rate. The MEMS flow restriction is fluidly coupled to the catheter to receive therapeutic substance dispensed from a therapeutic substance delivery device and restrict the therapeutic substance flow to a desired infusion rate. Many embodiments of the variable infusion rate catheter and its methods of operation are possible.Type: GrantFiled: February 2, 2001Date of Patent: June 15, 2004Assignee: Medtronic, Inc.Inventors: David L. Thompson, Michael F. Mattes, Lary R. Larson, Kenneth T. Heruth
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Publication number: 20040079277Abstract: A method for forming a suspended microstructure is provided. The method includes providing a monocrystalline target substrate and subjecting the surface of the monocrystalline target substrate to ion implantation to form a microstructure layer at the surface of the monocrystalline target substrate. An epitaxial material layer is formed overlying the microstructure layer. A handle substrate is provided and a patterned interposed material layer is provided between the epitaxial material layer and the handle substrate. The epitaxial material layer, the patterned interposed material layer and the handle substrate are affixed. The method further includes thermally treating the monocrystalline target substrate to effect separation between the microstructure layer and a remainder of the monocrystalline target substrate.Type: ApplicationFiled: October 23, 2002Publication date: April 29, 2004Applicant: Medtronic, Inc.Inventors: Michael F. Mattes, Ralph B. Danzl
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Publication number: 20040060897Abstract: A method for forming a microstructure from a substrate is provided. The method includes providing a monocrystalline substrate having a (100) orientation and subjecting a first portion of the substrate to ion bombardment to effect ion implantation to a desired penetration depth. A second portion of the substrate is etched to a depth at least as great as the desired penetration depth. The substrate then is thermally treated to form a microstructure at a surface of the substrate and to effect at least partial separation between the microstructure and the substrate.Type: ApplicationFiled: September 27, 2002Publication date: April 1, 2004Inventors: Michael F. Mattes, Ralph B. Danzl
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Publication number: 20040057978Abstract: A process for fabricating a medical assembly having a medical device at least a portion of which is formed of inorganic material is provided. The medical assembly is suitable for substantially long-term implantation in a host animal. The process includes modifying a surface of the medical device to form a hydrophilic adhesion-promoting surface. The hydrophilic adhesion-promoting surface is coated with an alginate solution comprising alginate and the alginate is reacted with alkaline earth metal cations.Type: ApplicationFiled: September 19, 2002Publication date: March 25, 2004Applicant: Medtronic, Inc.Inventors: Michael F. Mattes, Alvin Rhorer
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Patent number: 6562000Abstract: A medical device known as a therapeutic substance delivery device is configured to with an infusion rate control to deliver a therapeutic substance such as pharmaceutical compositions, genetic materials, and biologics to treat a variety of medical conditions such as pain, spastisity, cancer, and other diseases in humans and other animals. The therapeutic substance delivery device can be configured as a single-use device that is versatile, small, inexpensive, and has many other improvements. The single-use device has a Micro Electro Mechanical System (MEMS) flow restriction with a variable infusion rate. The MEMS flow restriction is fluidly coupled to a reservoir outlet to receive therapeutic substance dispensed from the single-use reservoir at the reservoir rate and restrict the therapeutic substance flow to a desired infusion rate. The single-use reservoir is configured for controlled collapse to dispense therapeutic substance from the reservoir at a reservoir rate through a reservoir outlet.Type: GrantFiled: February 2, 2001Date of Patent: May 13, 2003Assignee: Medtronic, Inc.Inventors: David L. Thompson, Michael F. Mattes, Lary R. Larson, Kenneth T. Heruth
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Publication number: 20020107472Abstract: A medical device known as a therapeutic substance delivery device is configured to with an infusion rate control to deliver a therapeutic substance such as pharmaceutical compositions, genetic materials, and biologics to treat a variety of medical conditions such as pain, spastisity, cancer, and other diseases in humans and other animals. The therapeutic substance delivery device can be configured as a single-use device that is versatile, small, inexpensive, and has many other improvements. The single-use device has a Micro Electro Mechanical System (MEMS) flow restriction with a variable infusion rate. The MEMS flow restriction is fluidly coupled to a reservoir outlet to receive therapeutic substance dispensed from the single-use reservoir at the reservoir rate and restrict the therapeutic substance flow to a desired infusion rate. The single-use reservoir is configured for controlled collapse to dispense therapeutic substance from the reservoir at a reservoir rate through a reservoir outlet.Type: ApplicationFiled: February 2, 2001Publication date: August 8, 2002Inventors: David L. Thompson, Michael F. Mattes, Lary R. Larson, Kenneth T. Heruth
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Publication number: 20020107471Abstract: A medical device known as a catheter is configured with a variable infusion rate to deliver a therapeutic substance such as pharmaceutical compositions, genetic materials, and biologics to treat a variety of medical conditions such as pain, spastisity, cancer, and other diseases in humans and other animals. The variable infusion rate catheter provides clinician with increased flexibility, versatility, and many other improvements. The variable infusion rate catheter has a Micro Electro Mechanical System (MEMS) flow restriction with a variable infusion rate. The MEMS flow restriction is fluidly coupled to the catheter to receive therapeutic substance dispensed from a therapeutic substance delivery device and restrict the therapeutic substance flow to a desired infusion rate. Many embodiments of the variable infusion rate catheter and its methods of operation are possible.Type: ApplicationFiled: February 2, 2001Publication date: August 8, 2002Inventors: David L. Thompson, Michael F. Mattes, Lary R. Larson, Kenneth T. Heruth
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Patent number: 6118164Abstract: A method of forming apparatus including a force transducer on a silicon substrate having an upper surface, the silicon substrate including a dopant of one of the n-type or the p-type, the force transducer including a cavity having spaced end walls and a beam supported in the cavity, the beam extending between the end walls of the cavity, the method including the steps of: (a) implanting in the substrate a layer of a dopant of said one of the n-type or the p-type; (b) depositing an epitaxial layer on the upper surface of the substrate, the epitaxial layer including a dopant of the other of the n-type or the p-type; (c) implanting a pair of spaced sinkers through the epitaxial layer and into electrical connection with said layer, each of the sinkers including a dopant of the one of the n-type or the p-type; (d) anodizing the substrate to form porous silicon of the sinkers and the layer; (e) oxidizing the porous silicon to form silicon dioxide; and (f) etching the silicon dioxide to form the cavity and beam.Type: GrantFiled: September 22, 1997Date of Patent: September 12, 2000Assignee: SSI Technologies, Inc.Inventors: James D. Seefeldt, Michael F. Mattes
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Patent number: 6021675Abstract: A force transducer having a semiconductor substrate including a surface defining a recess, such that the recess has a peripheral boundary and a flexible diaphragm connected to the surface along the peripheral boundary to enclose the recess so that the diaphragm moves in response to changes in a force applied thereto. The force transducer also includes a resonant beam connected to the surface adjacent the peripheral boundary. The resonant beam has a frequency of resonation. Movement of the diaphragm in response to changes in the force applied to the diaphragm changes the frequency of resonation of the resonant beam.Type: GrantFiled: February 28, 1997Date of Patent: February 8, 2000Assignee: SSI Technologies, Inc.Inventors: James D. Seefeldt, Michael F. Mattes