Patent application number | Description | Published |
20090056428 | CANTILEVER PROBE AND APPLICATIONS OF THE SAME - A method of fabricating a nanoscale cantilever probe. In one embodiment, the method includes the steps of forming a cantilever having a tip vertically extending from an end portion of the cantilever, where the tip has an apex portion having a size in a range of about 1-1000 nm, and selectively doping the cantilever with a dopant to define a first doping region in the tip and a second doping region in the rest of the cantilever, where the dopant concentration of the first doping region is substantially lower than that of the second doping region. | 03-05-2009 |
20090139340 | Microcantilever Heater-Thermometer With Integrated Temperature-Compensated Strain Sensor - The present invention provides microcantilever hotplate devices which incorporate temperature compensating strain sensors. The microcantilever hotplate devices of the present invention comprise microcantilevers having temperature compensating strain sensors and resistive heaters. The present invention also provides methods for using a microcantilever hotplate for temperature compensated surface stress measurements, chemical/biochemical sensing, measuring various properties of compounds adhered to the microcantilever hotplate surface, or for temperature compensated deflection measurements. | 06-04-2009 |
20100188113 | CANTILEVER PROBE AND APPLICATIONS OF THE SAME - A method of fabricating a nanoscale cantilever probe. In one embodiment, the method includes the steps of forming a cantilever having a tip vertically extending from an end portion of the cantilever, where the tip has an apex portion having a size in a range of about 1-1000 nm, and selectively doping the cantilever with a dopant to define a first doping region in the tip and a second doping region in the rest of the cantilever, where the dopant concentration of the first doping region is substantially lower than that of the second doping region. | 07-29-2010 |
20110061452 | Microcantilever with Reduced Second Harmonic While in Contact with a Surface and Nano Scale Infrared Spectrometer - Described herein are devices and methods for sensing pulsed forces. Some of the described devices and methods are also useful for measuring infrared absorbances and compiling spectral and chemical maps of surfaces. Also described are microcantilever having reduced harmonic frequencies when operating in contact mode. Some of the described microcantilevers comprise an internal resonator configured to vibrate substantially independent of friction between the microcantilever tip and a surface when the microcantilever operates in contact mode. A number of the described devices and methods are useful for monitoring pulsed forces with enhanced sensitivity. | 03-17-2011 |
20110078834 | Temperature-Dependent Nanoscale Contact Potential Measurement Technique and Device - The present invention provides a microcantilever capable of independently measuring and/or controlling the electrical potential and/or temperature of a surface with nanometer scale position resolution. The present invention also provides methods of manipulating, imaging, and/or mapping a surface or the properties of a surface with a microcantilever. The microcantilevers of the present invention are also capable of independently measuring and/or controlling the electrical potential and/or temperature of a gas or liquid. The devices and methods of the present invention are useful for applications including gas, liquid, and surface sensing, micro- and nano-fabrication, imaging and mapping of surface contours or surface properties. | 03-31-2011 |
20110089604 | METHOD OF MANUFACTURING PRODUCTS HAVING A METAL SURFACE - The method for manufacturing products having a metal surface by imparting microfeatures onto the metal surface. The method if further described as the steps of: creating a transfer tool from a microstructured intermediate fabricated from a microstructured prototype having microfeatures; and, transferring the microfeatures to said metal surface using the transfer tool. | 04-21-2011 |
20110266724 | METHOD FOR MANUFACTURING MICROSTRUCTURED METAL OR CERAMIC PARTS FROM FEEDSTOCK - A method of manufacturing a production part having microstructured features comprising the steps of fabricating a microstructured prototype having microstructured features, manufacturing a microstructured intermediate from the microstructured prototype so that the microstructured intermediate carries a negative of the microstructured features, attaching the microstructured intermediate to a manufacturing tool thereby providing microstructured features on a manufacturing tool, providing feedstock containing material from the group comprising of: metal, ceramic, binder, and any combination of these and manufacturing the production part from the feedstock, using the manufacturing tool and using a process from the group consisting of: compression molding, roll forming, stamping, embossing, extrusion injection molding, and any combination of these. | 11-03-2011 |
20110268148 | Device for Calorimetric Measurement - In one aspect, provided herein is a single crystal silicon microcalorimeter, for example useful for high temperature operation and long-term stability of calorimetric measurements. Microcalorimeters described herein include microcalorimeter embodiments having a suspended structure and comprising single crystal silicon. Also provided herein are methods for making calorimetric measurements, for example, on small quantities of materials or for determining the energy content of combustible material having an unknown composition. | 11-03-2011 |
20110311764 | MULTI-SCALE, MULTI-FUNCTIONAL MICROSTRUCTURED MATERIAL - A microstructure disposed on a surface carried by an object comprising: a first set of microfeatures carried by the object wherein said first set of microfeatures causes the surface of the object to exhibit physical properties differing from physical properties exhibited by a non-microstructured surface; and, a second set of microfeatures carried by said surface wherein said second set of microfeatures causes the surface of the object to exhibit physical properties differing from physical properties exhibited by the non-microstructured surface and by said first set of microfeatures. | 12-22-2011 |
20120043693 | Methods for Fabricating Microstructures - Described herein are casting and molding methods useful for making microstructured objects. By including a plurality of microfeatures on the surface of an object, other characteristics may be imparted to the object, such as increased hydrophobicity. Some of the casting and molding methods described herein further allow for manufacture of objects having both microfeatures and macro features, for example microfeatures on or within macro features or selected macro feature regions. | 02-23-2012 |
20120126458 | CASTING MICROSTRUCTURES INTO STIFF AND DURABLE MATERIALS FROM A FLEXIBLE AND REUSABLE MOLD - Described are methods for making microstructured flexible molds, for example useful for making microstructured metal objects in a casting process. Also described are casting methods for making microstructured epoxy objects. In some embodiments, the microstructured metal and epoxy objects are useful for embossing polymer sheets to form microstructured polymer sheets. | 05-24-2012 |
20120223451 | SYSTEM AND METHOD FOR EXTRUDING PARTS HAVING MICROSTRUCTURES - A manufacturing apparatus for manufacturing extruded parts having microstructures comprising: a support structure; a hopper carried by the support structure for receiving feedstock; an extrusion chamber operatively associated with the hopper for receiving the feedstock from the hopper and melting the feedstock above a feedstock melting temperature; a die carried by the support structure having die microstructures disposed on an inner surface of the die, the die microstructures having a plurality of microfeatures each having an upper surface and a lower surface, the melted feedstock being forced through the die to produce an extrudate having extrudate microstructures; and, a cooling assembly wherein the extrudate microstructures of the pre-cooled extrudate have larger physical dimensions than that of the extrudate microstructures of the cooled extrudate. | 09-06-2012 |
20130047303 | Magnetic Actuation and Thermal Cantilevers for Temperature and Frequency Dependent Atomic Force Microscopy - Described are methods for magnetically actuating microcantilevers and magnetically actuated and self-heated microcantilevers. Also described are methods for determining viscoelastic properties and thermal transition temperatures of materials. | 02-21-2013 |
20130276175 | Magnetic Actuation and Thermal Cantilevers for Temperature and Frequency Dependent Atomic Force Microscopy - Described are methods for magnetically actuating microcantilevers and magnetically actuated and self-heated microcantilevers. Also described are methods for determining viscoelastic properties and thermal transition temperatures of materials. | 10-17-2013 |
20140000857 | REFRIGERANT REPELLING SURFACES | 01-02-2014 |
20140011014 | THREE-DIMENSIONAL (3D) POROUS DEVICE AND METHOD OF MAKING A 3D POROUS DEVICE - A method of making a three-dimensional porous device entails providing a substrate having a conductive pattern on a surface thereof, and depositing a colloidal solution comprising a plurality of microparticles onto the surface, where the microparticles assemble into a lattice structure. Interstices of the lattice structure are infiltrated with a conductive material, which propagates through the interstices in a direction away from the substrate to reach a predetermined thickness. The conductive material spans an area of the surface overlaid by the conductive pattern. The microparticles are removed to form voids in the conductive material, thereby forming a conductive porous structure having the predetermined thickness and a lateral size and shape defined by the conductive pattern. | 01-09-2014 |
20140147747 | Three-Dimensional (3D) Porous Electrode Architecture for a Microbattery - A three-dimensional porous electrode architecture for a microbattery includes a substrate having first and second conductive patterns disposed thereon where the first and second conductive patterns are electrically isolated from each other, a three-dimensional porous cathode disposed on the first conductive pattern, and a three-dimensional porous anode disposed on the second conductive pattern. The porous cathode includes a first conductive scaffold conformally coated with a layer of a cathode active material and having a porosity defined by a network of interconnected pores, where the first conductive scaffold has a lateral size and shape defined by the first conductive pattern and porous side walls oriented substantially perpendicular to the substrate. The porous anode includes a second conductive scaffold conformally coated with a layer of an anode active material and having a porosity defined by a network of interconnected pores. | 05-29-2014 |
20140203707 | ELECTRON EMISSION DEVICE - Provided herein are electron emission devices and device components for optical, electronic and optoelectronic devices, including cantilever-based MEMS and NEMS instrumentation. Devices of certain aspects of the invention integrate a dielectric, pyroelectric, piezoelectric or ferroelectric film on the receiving surface of a substrate having an integrated actuator, such as a temperature controller or mechanical actuator, optionally in the form of a cantilever device having an integrated heater-thermometer. Also provided are methods of making and using electron emission devices for a range of applications including sensing and imaging technology. | 07-24-2014 |