Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Sokolov, US

Alexei Sokolov, Copley, OH US

Patent application numberDescriptionPublished
20100154084METHOD AND APPARATUS FOR PERFORMING APERTURELESS NEAR-FIELD SCANNING OPTICAL MICROSCOPY - A microscope for performing apertureless near-field scanning optical microscopy on a sample comprising a means for mounting a sample; a scanning probe; means for illuminating the sample with light along optical axes from at least two illumination angles relative to an imaginary line connecting the probe and the sample; means for enhancing the electric field of light in a region of the sample with the probe; means for scanning the sample in a plane perpendicular to an imaginary line connecting the probe and the sample; means for moving said sample along said imaginary line to maintain a nearly constant distance between the probe and the sample; and means for collecting light scattered, emitted, or transmitted from the sample.06-17-2010
20110010808PROTECTED METALLIC TIP OR METALLIZED SCANNING PROBE MICROSCOPY TIP FOR OPTICAL APPLICATIONS - The present invention generally relates to a protected metallic or metallized scanning probe microscopy tip for apertureless near-field optical applications which comprise a metallic tip or a metallic structure covering a scanning probe microscopy tip, protected by an ultrathin dielectric layer. In one embodiment, the protective layer is comprised of SiO01-13-2011

Alexei P. Sokolov, Copley, OH US

Patent application numberDescriptionPublished
20080266557High Contrast Tip-Enhanced Raman Spectroscopy - The present invention relates generally to the field of spectroscopy, and more particularly to tip-enhanced Raman spectroscopy that provides an enhanced contrast-ratio of a near-field Raman signal to a background signal. The near-field Raman signal is captured from a small volume of material near a metal-coated tip thereby achieving submicron lateral resolution.10-30-2008

Alexei V. Sokolov, College Station, TX US

Patent application numberDescriptionPublished
20100027000Hybrid Technique for Coherent Anti-Stokes/Stokes Raman Spectroscopy - A method and system provide coherent anti-Stokes Raman spectroscopy. In an embodiment, the system includes a detection system for measuring coherent anti-Stokes Raman signals of a sample. The system includes a first light pulse and a second light pulse. The first light pulse and the second light pulse are operable to initiate coherent vibration in the sample. The system also includes a third light pulse. The third light pulse is a probe pulse that is operable to produce scattered radiation from the sample. In addition, the system includes a spectral filter. The spectral filter shapes the probe pulse. The system further includes a detector to record the spectrum of the scattered radiation.02-04-2010

Anatoliy N. Sokolov, Stanford, CA US

Patent application numberDescriptionPublished
20100148154APPARATUS AND SEMICONDUCTOR CO-CRYSTAL - The invention provides a method to enforce face-to-face stacking of organic semiconductors in the solid state that employs semiconductor co-crystal formers (SCCFs), to align semiconductor building blocks (SBBs). Single-crystal X-ray analysis reveals π-orbital overlap optimal for organic semiconductor device applications.06-17-2010

Denis Aleksandrovich Sokolov, Atlanta, GA US

Patent application numberDescriptionPublished
20110318257PRODUCTION OF GRAPHENE SHEETS AND FEATURES VIA LASER PROCESSING OF GRAPHITE OXIDE/ GRAPHENE OXIDE - Graphene production using a continuous or pulsed laser beam focused on a substrate of graphite oxide in a significantly inert environment is disclosed. Laser-induced graphene features are characterized by a 2D-band in the Raman spectra. When the photons of the laser at a various frequencies and power levels beam impinge a graphite oxide foil for various amounts of time, a strip, divet, trench, or hole, having graphene at the bottom or sides is produced. The concentration of the graphite oxide and the laser beam may be adjusted so that the depth of the trench created is a certain depth less than the thickness of the foil. Additionally, in some embodiments, the evaporation of the water during the Hummers method is adjusted so that there remains interlaminar water in the graphite oxide foil. The presently disclosed subject matter may also be used in patterning using rastering or substrate motion.12-29-2011

Dimitri Sokolov, San Jose, CA US

Patent application numberDescriptionPublished
20090088753Customized Patient-Specific Instrumentation for Use in Orthopaedic Surgical Procedures - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.04-02-2009
20090088754Customized Patient-Specific Multi-Cutting Blocks - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.04-02-2009
20090093816System and Method for Fabricating a Customized Patient-Specific Surgical Instrument - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.04-09-2009
20120271428ORTHOPAEDIC KNEE PROSTHESIS HAVING CONTROLLED CONDYLAR CURVATURE - An orthopaedic knee prosthesis includes a femoral component having a condyle surface. The condyle surface is defined by one or more radii of curvatures, which are controlled to reduce or delay the onset of anterior translation of the femoral component relative to a tibial bearing.10-25-2012

Dimitri Sokolov, Campbell, CA US

Patent application numberDescriptionPublished
20100036383ORTHOPAEDIC SURGICAL INSTRUMENTATION FOR PERFORMING A PATELLOFEMORAL ARTHROPLASTY PROCEDURE - A method and instrumentation for performing a patellofemoral arthroplasty orthopaedic procedure includes coupling an anterior cutting block to a femur of a patient such that the cutting block references local anatomy of the femur. The anterior cutting block is used to perform a number of bone cuts to establish a trochlear cavity in the femur. The trochlear cavity is formed such that a trochlear prosthesis may be inset into the cavity and substantially flush with the surrounding cartilage. A finishing burring guide and burr bit may be used to detail the shape and/or size of the trochlear cavity. Additionally, a trochlear drill guide may be used to facilitate establishing peg holes in the patient's femur to receive corresponding pegs of the trochlear prosthesis.02-11-2010
20100036444ORTHOPAEDIC SURGICAL METHOD FOR PERFORMING A PATELLOFEMORAL ARTHROPLASTY PROCEDURE - A method and instrumentation for performing a patellofemoral arthroplasty orthopaedic procedure includes coupling an anterior cutting block to a femur of a patient such that the cutting block references local anatomy of the femur. The anterior cutting block is used to perform a number of bone cuts to establish a trochlear cavity in the femur. The trochlear cavity is formed such that a trochlear prosthesis may be inset into the cavity and substantially flush with the surrounding cartilage. A finishing burring guide and burr bit may be used to detail the shape and/or size of the trochlear cavity. Additionally, a trochlear drill guide may be used to facilitate establishing peg holes in the patient's femur to receive corresponding pegs of the trochlear prosthesis.02-11-2010
20100036500ORTHOPAEDIC KNEE PROSTHESIS HAVING CONTROLLED CONDYLAR CURVATURE - An orthopaedic knee prosthesis includes a femoral component having a condyle surface. The condyle surface is defined by one or more radii of curvatures, which are controlled to reduce or delay the onset of anterior translation of the femoral component relative to a tibial bearing.02-11-2010

Dimitri Sokolov, Copley, OH US

Patent application numberDescriptionPublished
20090326664POSTERIOR CRUCTIATE-RETAINING ORTHOPAEDIC KNEE PROSTHESIS HAVING CONTROLLED CONDYLAR CURVATURE - An orthopaedic knee prosthesis includes a tibial bearing and a femoral component configured to articulate with the tibial bearing. The femoral component includes a condyle surface curved in the sagittal plane. The radius of curvature of the condyle surface decreases gradually between early-flexion and mid-flexion. Additionally, in some embodiments, the radius of curvature may be increased during mid-flexion.12-31-2009
20090326665POSTERIOR STABILIZED ORTHOPAEDIC KNEE PROSTHESIS HAVING CONTROLLED CONDYLAR CURVATURE - An orthopaedic knee prosthesis includes a tibial bearing and a femoral component configured to articulate with the tibial bearing. The femoral component includes a posterior cam configured to contact a spine of the tibial bearing and a condyle surface curved in the sagittal plane. The radius of curvature of the condyle surface decreases gradually between early-flexion and mid-flexion. Additionally, in some embodiments, the radius of curvature of the condyle surface may be increased during mid-flexion.12-31-2009
20120239158Posterior Cructiate-Retaining Orthopaedic Knee Prosthesis Having Controlled Condylar Curvature - An orthopaedic knee prosthesis includes a tibial bearing and a femoral component configured to articulate with the tibial bearing. The femoral component includes a condyle surface curved in the sagittal plane. The radius of curvature of the condyle surface decreases gradually between early-flexion and mid-flexion. Additionally, in some embodiments, the radius of curvature may be increased during mid-flexion.09-20-2012
20120296437Posterior Stabilized Orthopaedic Knee Prothesis Having Controlled Condylar Curvature - An orthopaedic knee prosthesis includes a tibial bearing and a femoral component configured to articulate with the tibial bearing. The femoral component includes a posterior cam configured to contact a spine of the tibial bearing and a condyle surface curved in the sagittal plane. The radius of curvature of the condyle surface decreases gradually between early-flexion and mid-flexion. Additionally, in some embodiments, the radius of curvature of the condyle surface may be increased during mid-flexion.11-22-2012

Dotan Sokolov US

Patent application numberDescriptionPublished
20120262970SELECTIVE ACTIVATION OF PROGRAMMING SCHEMES IN ANALOG MEMORY CELL ARRAYS - A method for data storage includes defining a first programming scheme that programs a group of analog memory cells while reducing interference caused by at least one memory cell that neighbors the group, and a second programming scheme that programs the group of the analog memory cells and does not reduce all of the interference reduced by the first programming scheme. One of the first and second programming schemes is selected based on a criterion defined with respect to the analog memory cells. Data is stored in the group of the analog memory cells using the selected programming scheme.10-18-2012
20120262971Selective Activation of Programming Schemes in Analog Memory Cell Arrays - A method for data storage includes defining a first programming scheme that programs a group of analog memory cells while reducing interference caused by at least one memory cell that neighbors the group, and a second programming scheme that programs the group of the analog memory cells and does not reduce all of the interference reduced by the first programming scheme. One of the first and second programming schemes is selected based on a criterion defined with respect to the analog memory cells. Data is stored in the group of the analog memory cells using the selected programming scheme.10-18-2012
20120287692READ THRESHOLD SETTING BASED ON TEMPERATURE INTEGRAL - A method for data storage in a memory that includes multiple analog memory cells fabricated using respective physical media, includes identifying a group of the memory cells whose physical media have deteriorated over time below a given storage quality level. A rejuvenation process, which causes the physical media of the memory cells in the group to meet the given storage quality level, is applied to the identified group. Data is stored in the rejuvenated group of the memory cells.11-15-2012

Igor Sokolov, Potsdam, NY US

Patent application numberDescriptionPublished
20110182494Method Of Identification Of Cancerous And Normal Cells - A method is described for distinguishing between cancerous and normal human cells. The method includes collecting cells; preparing cells for scanning; scanning of the prepared cells by means of atomic force microscopy; processing of the obtained images through specific algorithms; wherein the algorithms allowing one to identify whether the cell is cancerous or normal.07-28-2011
20110277666Use of self-assembled nanoporous glass colloids for prolongation of plasticity of polymeric materials - This invention describes the encapsulation of and self-assembly of meso (nano) porous silica particles from inorganic an inexpensive silica precursor, sodium silicate. The particles have a well defined shape, high surface area, and high uniformity of the pore size, the properties that are typically found for high quality mesoporous material synthesized from organic silica precursors. The disclosure illustrates a synthesis of hard spheres, discoids, and a mixture comprising discoids, gyroids and fibers, termed as origami.11-17-2011
20120187340Syntheses of ultra-bright fluorescent silica particles - The object of the invention is to producing ultras bright fluorescent silica particles by synthesizing large nanopore silica particles with self sealed channels/pores and then stopping the synthesizing before large nanopore silica particles have been formed, wherein said sintering solution has produced nanoparticles. The large nanopore silica particles are micron size. The synthesizing is stopped by diluting said synthesizing solution with a neutralizing medium such as an aqueous solution of definite acidity of pH7 and higher an exemplary value of pH11 (sodium hydroxide). The time range for stopping the synthesizing ranges from tens of seconds to ten of minutes.07-26-2012
20130018623High Resolution, High Speed Multi-Frequency Dynamic Study of Visco-Elastic Properites - The present invention provides an apparatus and method including hardware and software, which allows collecting and analyzing of data to obtain information about mechanical properties of soft materials. This allows surface mapping of viscoelastic properties in a high-resolution and fast manner. It also allows finding the degree of nonlinearity of the material response of the sample during the measurements. The apparatus can be used as a stand-alone device, or an add-on to either the existing atomic force microscope or nanoindenter device.01-17-2013

Patent applications by Igor Sokolov, Potsdam, NY US

Jonathan Sokolov, Plainview, NY US

Jonathan Sokolov, Stony Brook, NY US

Patent application numberDescriptionPublished
20130078386METHOD OF ELECTRIC FIELD ASSISTED DEPOSITION OF DNA ON POLYMER SURFACES - In the present invention, an electric field is created in the DNA solution while DNA is deposited on a polymer surface. A method of electric field assisted deposition of DNA on polymer surface according to an exemplary embodiment of the present invention comprises: forming a polymethylmethacrylate (PMMA) film on a silicon wafer by spin casting; preparing a DNA solution including DNA to be deposited on the PMMA film; and depositing DNA on the PMMA film by creating an electric field in the DNA solution while the silicon wafer on which the PMMA film is formed is submerged in the DNA solution.03-28-2013

Konstantin Sokolov, Austin, TX US

Patent application numberDescriptionPublished
20090068108BIOSPECIFIC CONTRAST AGENTS - Methods and apparatuses for detecting a condition of a sample (including cervical cancers and pre-cancers) through reflectance and/or fluorescence imaging. A sample is obtained. One or more metallic nanoparticles and/or one or more quantum dots are obtained. The one or more metallic nanoparticles and/or one or more quantum dots are coupled to one or more biomarkers of the sample that are associated with the condition. A reflectance and/or fluorescence image of the sample is then taken. The image(s) exhibit characteristic optical scattering from the one or more metallic nanoparticles and/or characteristic fluorescence excitation from the one or more quantum dots to signal the presence of the one or more biomarkers. In this way, the condition can be readily screened or diagnosed.03-12-2009
20100028261Molecular Specific Photoacoustic Imaging - Methods relating to photoacoustic imaging of biological tissue are provided. One such method comprises contacting a biological tissue with a bioconjugate and irradiating the bioconjugate so as to generate an acoustic wave, wherein the bioconjugate comprises a nanoparticle and a moiety capable of selectively coupling a molecular marker. Suitable moieties include, among other things, epithelial growth factor receptor (EGFR).02-04-2010
20120065495NEEDLE BIOBSY IMAGING SYSTEM - Imaging techniques. Radiation is directed from a source onto a sample using an endoscope having cellular or subcellular resolution. The endoscope includes one or more fibers. The fibers have a proximate end and a distal end, and the distal end is lensless. A focal plane of the endoscope is substantially at a tip of the distal end. Radiation from the sample is directed onto a detector to diagnose or monitor the sample.03-15-2012
20120065521NEEDLE BIOBSY IMAGING METHOD - Imaging techniques. Radiation is directed from a source onto a sample using an endoscope having cellular or subcellular resolution. The endoscope includes one or more fibers. The fibers have a proximate end and a distal end, and the distal end is lensless. A focal plane of the endoscope is substantially at a tip of the distal end. Radiation from the sample is directed onto a detector to diagnose or monitor the sample.03-15-2012
20120075619FIBER-OPTIC PROBES AND ASSOCIATED METHODS - Fiber-optic probes are provided comprising an illumination fiber and a plurality of collection beveled fibers. In some embodiments, the fiber-optic probes may further comprise a collection flat-tip fiber. A system comprising a fiber-optic probe operably connected to a spectrometer, wherein the fiber-optic probe comprises an illumination fiber and a plurality of collection beveled fibers is provided. Associated methods are also provided.03-29-2012
20120125107TEMPERATURE DEPENDENT PHOTOACOUSTIC IMAGING - Methods and systems relating to temperature dependent photoacoustic imaging are provided.05-24-2012

Patent applications by Konstantin Sokolov, Austin, TX US

Konstantin V. Sokolov, Austin, TX US

Patent application numberDescriptionPublished
20130023714Medical and Imaging Nanoclusters - In one embodiment the present invention discloses a nanocluster or a nanorose composition comprising two or more closely spaced nanoparticles each comprising one or more metals, metal oxides, inorganic substances, or a combination thereof and one or more stabilizers. The stabilizers are in contact with the two or more closely spaced nanoparticles to form a nanocluster composition in which the inorganic weight percentage is greater than 50% and the average size is below 300 nm, and the nanocluster composition has magnetic properties, optical properties or a combination of both.01-24-2013

Michael Sokolov, Newton, MA US

Patent application numberDescriptionPublished
20120207447TECHNIQUE FOR PROCESSING DATA IN A NETWORK - A technique for processing data in a network is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for processing data in a network having a plurality of network stations. The method comprises receiving a first representation of data at a first of the plurality of network stations, processing the first representation so as to generate a second representation of the data, and transmitting the second representation from the first network station to a second of the plurality of network stations for storage therein, wherein the second representation is stored at an address within the second network station. The method also comprises receiving the address at the first network station, and transmitting the address from the first network station to a third of the plurality of network stations for storage therein.08-16-2012
20120209843TECHNIQUE FOR PROCESSING DATA IN A NETWORK - A technique for processing data in a network is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for processing data in a network having a plurality of network stations. The method comprises receiving a first representation of data at a first of the plurality of network stations, processing the first representation so as to generate a second representation of the data, and transmitting the second representation from the first network station to a second of the plurality of network stations for storage therein, wherein the second representation is stored at an address within the second network station. The method also comprises receiving the address at the first network station, and transmitting the address from the first network station to a third of the plurality of network stations for storage therein.08-16-2012

Roman Sokolov, Richardson, TX US

Patent application numberDescriptionPublished
20090129882Methods, Systems, and Devices for Monitoring Tools in a Dental Milling Machine - Methods, systems, and devices for monitoring tool breakage and wear in a dental milling machine are provided. In one embodiment, a dental milling system includes a milling tool for milling a dental prosthetic and a spindle operable to receive, fixedly engage, and rotate the milling tool. A first accelerometer is positioned adjacent to the spindle and is operable to detect vibrations associated with rotation of the milling tool. A processor is in communication with the first accelerometer to receive data sets representative of the vibrations detected by the first accelerometer. The processor processes the data sets to identify changes in one or more harmonics of the detected vibrations indicative of a break of the milling tool.05-21-2009

Stepan Sokolov, Fremont, CA US

Patent application numberDescriptionPublished
20100192005Method and system for managing computer systems - A management system for a computer system is disclosed. The computer system operates or includes various products (e.g., software products) that can be managed in a management system or collectively by a group of management systems. Typically, the management system operates on a computer separate from the computer system being managed. The management system can make use of a knowledge base of causing symptoms for previously observed problems at other sites or computer systems. In other words, the knowledge base can built from and shared by different users across different products to leverage knowledge that is otherwise disparate. The knowledge base typically grows over time. The management system can use its ability to request information from the computer system being managed together with the knowledge base to infer a problem root cause in the computer system being managed. The computer system being managed can also request the management system to process its knowledge base for possible problem cause analysis. The management system can also continually identify persisting problem causing symptoms.07-29-2010
20130054507METHOD AND SYSTEM FOR MANAGING COMPUTER SYSTEMS - A management system for a computer system is disclosed. The computer system operates or includes various products (e.g., software products) that can be managed in a management system or collectively by a group of management systems. Typically, the management system operates on a computer separate from the computer system being managed. The management system can make use of a knowledge base of causing symptoms for previously observed problems at other sites or computer systems. In other words, the knowledge base can built from and shared by different users across different products to leverage knowledge that is otherwise disparate. The knowledge base typically grows over time. The management system can use its ability to request information from the computer system being managed together with the knowledge base to infer a problem root cause in the computer system being managed. The computer system being managed can also request the management system to process its knowledge base for possible problem cause analysis. The management system can also continually identify persisting problem causing symptoms.02-28-2013

Patent applications by Stepan Sokolov, Fremont, CA US

Vladimir Sokolov, Rochester, MN US

Patent application numberDescriptionPublished
20110274394OPTICAL EDGE CONNECTOR - A connector assembly for optically coupling a first optical device mounted on a first substrate to a second optical device mounted on a second substrate, where the first and second substrates are orthogonally oriented to each other, is presented. The connector assembly includes two connectors. The first connector has an optical waveguide array. The optical waveguide array further includes multiple parallel optical waveguides that are continuously redirected by a mirror oriented at a 45 degree angle to the optical waveguides. Likewise, the second connector also has an optical waveguide array further include multiple parallel optical waveguides continuously redirected by a mirror oriented at a 45 degree angle to the optical waveguides. The first connector is oriented orthogonally to the second connector and the first and second connectors are optically welded together in a back-to-back configuration.11-10-2011

Yuri Sokolov, Sandy, UT US

Patent application numberDescriptionPublished
20090179259SEMICONDUCTOR DEVICE WITH (110)-ORIENTED SILICON - A method of forming a semiconductor device on a heavily doped P-type (110) semiconductor layer over a metal substrate includes providing a first support substrate and forming a P-type heavily doped (110) silicon layer overlying the first support substrate. At least a top layer of the first support substrate is removable by a selective etching process with respect to the P-type heavily doped (110) silicon layer. A vertical semiconductor device structure is formed in and over the (110) silicon layer. The vertical device structure includes a top metal layer and is characterized by a current conduction in a <110> direction. The method includes bonding a second support substrate to the top metal layer and removing the first support substrate using a mechanical grinding and a selective etching process to expose a surface of the P-type heavily doped (110) silicon layer and to allow a metal layer to be formed on the surface07-16-2009
20090250793BPSG FILM DEPOSITION WITH UNDOPED CAPPING - Semiconductor devices containing a CVD BPSG layer and an undoped CVD oxide cap layer are described. The cap layer can be any silicon oxide material with a thickness between about 50 Å and about 350 Å. The cap layer may be formed using a low temperature CVD process that is controlled for density by adjusting the amount of silicon precursor in the gas-phase. In some embodiments, the cap layer is deposited on the BPSG layer followed immediately by the BPSG film deposition prior to any annealing of the BPSG layer. The cap layer may prevent dopant out-diffusion and/or out-gassing during storage and high-temperature annealing, and moisture penetration into the BPSG layer, as well as suppress defect nucleation on the as-deposited BPSG surface and defect formation during high temperature annealing, while still allowing flow ability of the BPSG layer. Other embodiments are also described.10-08-2009
20110062560BPSG FILM DEPOSITION WITH UNDOPED CAPPING - Semiconductor devices containing a CVD BPSG layer and an undoped CVD oxide cap layer are described. The cap layer can be any silicon oxide material with a thickness between about 50 Å and about 350 Å. The cap layer may be formed using a low temperature CVD process that is controlled for density by adjusting the amount of silicon precursor in the gas-phase. In some embodiments, the cap layer is deposited on the BPSG layer followed immediately by the BPSG film deposition prior to any annealing of the BPSG layer. The cap layer may prevent dopant out-diffusion and/or out-gassing during storage and high-temperature annealing, and moisture penetration into the BPSG layer, as well as suppress defect nucleation on the as-deposited BPSG surface and defect formation during high temperature annealing, while still allowing flow ability of the BPSG layer. Other embodiments are also described.03-17-2011
20120086051SEMICONDUCTOR DEVICE WITH (110)-ORIENTED SILICON - A vertical semiconductor device includes a bottom metal layer and a first P-type semiconductor layer overlying the bottom metal layer. The first P-type semiconductor layer is characterized by a surface crystal orientation of (110) and a first conductivity. The first P-type semiconductor layer is heavily doped. The vertical semiconductor device also includes a second P-type semiconductor layer overlying the first P-type semiconductor layer. The second semiconductor layer has a surface crystal orientation of (110) and is characterized by a lower conductivity than the first conductivity. The vertical semiconductor device also has a top metal layer overlying the second P-type semiconductor layer. A current conduction from the top metal layer to the bottom metal layer and through the second p-type semiconductor layer is characterized by a hole mobility along a <110> crystalline orientation and on (110) crystalline plane.04-12-2012

Patent applications by Yuri Sokolov, Sandy, UT US

Yuri V. Sokolov, Sandy, UT US

Patent application numberDescriptionPublished
20090197053METHOD AND APPARATUS FOR BONDED SUBSTRATES - A method for forming bonded substrates includes providing a plurality of substrates, each of which having a top surface. A characteristic length for each of the plurality of substrates is determined by: determining a topographical profile of the top surface of the substrate from an interior portion to an edge portion along a radial direction, determining a highest point of the profile, and defining the characteristic length as a distance from the highest point to the edge portion. A first substrate and a second substrate are selected where at least one of the first or the second substrates has a characteristic length shorter than a predetermined length. The first substrate and the second substrate are brought into contact and form bonded substrates, with the top surface of the first substrate facing the top surface of the second substrate.08-06-2009
20110042013METHOD AND APPARATUS FOR BONDED SUBSTRATES - An apparatus for bonding substrates includes a base member having a top surface and a recessed region which is configured for receiving at least a first substrate. The apparatus also has a plurality of support members disposed over the top surface for supporting a second substrate peripherally over the first substrate. Each support member is configured to vary a separation between the first substrate and the second substrate. Moreover, a pressure bar is configured to cause a center portion of the second substrate to contact the first substrate while the support members maintain peripheral separation between the first substrate and the second substrate. In operation, a bonded region between the first and the second substrates is expanded radially from the center portion when the support members are positioned to reduce the separation between the first and the second substrates.02-24-2011