Patent application number | Description | Published |
20110285790 | INKJET PRINTHEAD HAVING NOZZLE CHAMBERS WITH REDUNDANT INK INLETS - An inkjet printhead includes row of nozzle chambers. Each nozzle chambers has a roof spaced apart from a floor and sidewalls extending between the roof and the floor. Each nozzle chambers has an ink ejection opening defined in the roof, a first ink inlet defined in one of the sidewalls, and a second ink inlet defined in the floor. Each of the first and second ink inlets is in fluid communication an ink supply channel defined in the printhead for supplying ink to the row of nozzle chambers. | 11-24-2011 |
20110309275 | FAULT-TOLERANT MULTIPLE VALVE ASSEMBLY - A fault-tolerant multiple valve assembly for a microfluidic device, the multiple valve assembly having an inlet for receiving a liquid flowing through the microfluidic device, an outlet downstream of the inlet, a plurality of flow-paths extending from the inlet to the outlet, and, a plurality of valves positioned along each of the flow-paths respectively. | 12-22-2011 |
20110309276 | FAULT-TOLERANT MULTIPLE VALVE ASSEMBLY WITH THERMAL BOILING-INITIATED VALVE - A fault-tolerant multiple valve assembly for a microfluidic device, the multiple valve assembly having an inlet for receiving a liquid flowing through the microfluidic device, an outlet downstream of the inlet, a plurality of flow-paths extending from the inlet to the outlet, and, a plurality of valves positioned along each of the flow-paths respectively, wherein each valve has, a meniscus anchor for pinning a meniscus to arrest the flow of the liquid, and a valve heater for heating the meniscus such that the meniscus unpins from the meniscus anchor such that the liquid flow towards the outlet resumes. | 12-22-2011 |
20110311393 | MICROFLUIDIC DEVICE WITH THERMAL BEND ACTUATED PRESSURE PULSE VALVE - A microfluidic device having a channel having an inlet, an outlet and a meniscus anchor between the inlet and the outlet such that liquid flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, and, an actuator valve with a movable member for contacting the liquid, and a thermal expansion actuator for displacing the movable member to generate a pulse in the liquid to dislodge the meniscus such that the liquid flow towards the outlet resumes. | 12-22-2011 |
20110311394 | MICROFLUIDIC DEVICE WITH THERMAL BEND ACTUATED SURFACE TENSION VALVE - A microfluidic device having a channel having an inlet, an outlet and a meniscus anchor between the inlet and the outlet such that liquid flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, and, an actuator valve with a movable member for contacting the liquid, and an actuator for displacing the movable member from a quiescent position to an actuated position where the meniscus is extended into contact with a surface downstream of the meniscus anchor such that the liquid flow towards the outlet resumes. | 12-22-2011 |
20110311395 | MICROFLUIDIC DEVICE WITH ACTIVE VALVE AT REAGENT RESERVOIR OUTLET - A microfluidic device having a reservoir for containing a reagent, an outlet valve in fluid communication with the reservoir, the outlet valve having a meniscus anchor configured to form a meniscus that retains the reagent in the reservoir, and an actuator for receiving an activation signal and actuating in response to the activation signal such that the meniscus unpins from the meniscus anchor and the reagent flows out of the reservoir. | 12-22-2011 |
20110311407 | MICROFLUIDIC BOILING-INITIATED VALVE - A microfluidic valve having an inlet for receiving a flow of liquid, an outlet for outputting the flow of liquid, a meniscus anchor between the inlet and the outlet such that the flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, and, a valve heater for heating the meniscus such that the meniscus unpins from the meniscus anchor such that the flow towards the outlet resumes. | 12-22-2011 |
20110311411 | MICROFLUIDIC THERMAL BEND ACTUATED SURFACE TENSION VALVE - A microfluidic thermal bend actuated surface tension valve having an inlet for receiving a flow of liquid, an outlet for outputting the flow of liquid, a meniscus anchor between the inlet and the outlet such that the flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, a movable member for contacting the liquid, and, an actuator for displacing the movable member from a quiescent position to an actuated position where the meniscus is extended into contact with a surface downstream of the meniscus anchor such that the flow towards the outlet resumes. | 12-22-2011 |
20110311412 | MICROFLUIDIC THERMAL BEND ACTUATED PRESSURE PULSE VALVE - A microfluidic thermal bend actuated pressure pulse valve having an inlet for receiving a flow of liquid, an outlet for outputting the flow of liquid, a meniscus anchor between the inlet and the outlet such that the flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, a movable member for contacting the liquid, and, a thermal expansion actuator for displacing the movable member to generate a pulse in the liquid to dislodge the meniscus such that the liquid flow towards the outlet resumes. | 12-22-2011 |
20110311413 | FAULT-TOLERANT MULTIPLE VALVE ASSEMBLY WITH LIQUID DETECTOR SENSOR FEEDBACK - A fault-tolerant multiple valve assembly for a microfluidic device, the multiple valve assembly having an inlet for receiving a liquid flowing through the microfluidic device, an outlet downstream of the inlet, a plurality of flow-paths extending from the inlet to the outlet, a plurality of valves positioned along each of the flow-paths respectively, and, a sensor in each of the flow-paths respectively, the sensor being responsive to contact with the liquid. | 12-22-2011 |
20110311414 | FAULT-TOLERANT MULTIPLE VALVE ASSEMBLY WITH THERMAL BEND-ACTUATOR PRESSURE PULSE VALVE - A fault-tolerant multiple valve assembly for a microfluidic device, the multiple valve assembly having an inlet for receiving a liquid flowing through the microfluidic device, an outlet downstream of the inlet, a plurality of flow-paths extending from the inlet to the outlet, and, a plurality of valves positioned along each of the flow-paths respectively, wherein, each of the valves has a movable member for contacting the liquid, and a thermal expansion actuator for displacing the movable member to generate a pulse in the liquid to dislodge the meniscus such that the liquid flow towards the outlet resumes. | 12-22-2011 |
20110311415 | FAULT-TOLERANT MULTIPLE VALVE ASSEMBLY WITH THERMAL BEND-ACTUATOR SURFACE TENSION VALVE - A fault-tolerant multiple valve assembly for a microfluidic device, the multiple valve assembly having an inlet for receiving a liquid flowing through the microfluidic device, an outlet downstream of the inlet, a plurality of flow-paths extending from the inlet to the outlet, and, a plurality of valves positioned along each of the flow-paths respectively, wherein, each of the valves has a meniscus anchor and a meniscus relocation mechanism, the meniscus anchor being configured to form a meniscus that stops the liquid flow towards the outlet, and the meniscus relocation mechanism being configured to deform the meniscus at the meniscus anchor such that the meniscus contacts a surface downstream of the meniscus anchor and the liquid flow towards the outlet resumes. | 12-22-2011 |
20110312079 | LOC WITH DIGITAL MEMORY TO STORE EPIDEMIOLOGICAL UPDATES - A lab-on-a-chip (LOC) device for analyzing a sample fluid, the LOC device having a sample inlet for receiving the sample, a microsystems technology (MST) layer with functional sections for processing and analyzing the sample, and, CMOS circuitry with digital memory for storing epidemiological data, and configured to download epidemiological data updates from an external source. | 12-22-2011 |
20110312547 | MICROFLUIDIC DEVICE WITH REAGENT MIXING PROPORTIONS DETERMINED BY NUMBER OF ACTIVE OUTLET VALVES - A microfluidic device for testing a fluid, the microfluidic device having an inlet for receiving the fluid, a reservoir containing a reagent, a flow-path extending from the inlet, a plurality of outlet valves for fluid communication between the flow-path and the reservoir, each of the outlet valves having an actuator for opening the outlet valve in response to an activation signal, wherein during use, a number of the outlet valves are selectively opened such that the reagent flows into the flow-path to combine with the fluid from the inlet to produce a combined flow having a proportion of the reagent, the proportion of the reagent in the combined flow being determined by the number of the outlet valves opened. | 12-22-2011 |
20110312599 | MICROFLUIDIC DEVICE WITH A PCR SECTION WITH SINGLE ACTIVATION, OUTLET VALVE - A microfluidic device for amplifying nucleic acid sequences, the microfluidic device having a polymerase chain reaction (PCR) section for thermally cycling the nucleic acid sequences and a PCR mix of reagents through a denaturation temperature, an annealing temperature and a primer extension temperature, and, a PCR outlet valve to retain the nucleic acid sequences and a PCR mix of reagents in the PCR section during the thermal cycling, wherein, the PCR outlet valve is configured to open in response to an activation signal such that amplicon can flow from the PCR section and once open, the PCR outlet valve is unable to close. | 12-22-2011 |
20110312600 | GENETIC ANALYSIS LOC WITH THERMAL BEND ACTUATED PRESSURE PULSE VALVE - A lab-on-a-chip device (LOC) for genetic analysis having a supporting substrate, an array of probes for hybridization with target nucleic acid sequences to form probe-target hybrids, a channel for directing a flow of liquid containing the target nucleic acid sequences, the channel having an inlet, an outlet and a meniscus anchor between the inlet and the outlet such that the flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, and, an actuator valve with a movable member for contacting the liquid, and a thermal expansion actuator for displacing the movable member to generate a pulse in the liquid to dislodge the meniscus such that the liquid flow towards the outlet resumes. | 12-22-2011 |
20110312601 | LOC DEVICE WITH DIGITAL MEMORY FOR SECURE STORAGE OF DATA - A lab-on-a-chip (LOC) device for analyzing a sample fluid, the LOC device having a sample inlet for receiving the sample, a microsystems technology (MST) layer with functional sections for processing and analyzing the sample, and, CMOS circuitry with digital memory for storing data and operational information to operatively control the functional sections during processing and analysis of the sample, wherein, the data is encrypted for secure communication with an external device. | 12-22-2011 |
20110312602 | GENETIC ANALYSIS LOC WITH THERMAL BEND ACTUATED SURFACE TENSION VALVE - A lab-on-a-chip (LOC) device for genetic analysis having a supporting substrate, an array of probes for hybridization with target nucleic acid sequences to form probe-target hybrids, a channel for directing a flow of liquid containing the target nucleic acid sequences, the channel having an inlet, an outlet and a meniscus anchor between the inlet and the outlet such that the flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, and, an actuator valve with a movable member for contacting the liquid, and an actuator for displacing the movable member from a quiescent position to an actuated position where the meniscus is extended into contact with a surface downstream of the meniscus anchor such that the liquid flow towards the outlet resumes. | 12-22-2011 |
20110312603 | TEST MODULE WITH LOC HAVING ON-CHIP ELECTRONICS FOR MODULE CONTROL - A test module for analyzing a sample fluid, the test module having a receptacle for receiving the sample, functional sections for processing and analyzing the sample, a supporting substrate, and, CMOS circuitry on the supporting substrate for operative control of the functional sections during processing and analysis of the sample. | 12-22-2011 |
20110312604 | LOC HAVING ON-CHIP ELECTRONICS FOR USE IN A TEST MODULE TO CONTROL MODULE COMMUNICATIONS - A lab-on-a-chip (LOC) device for installation in a test module for analyzing a sample fluid and communicating test results to an external device, the LOC device having a supporting substrate, a sample inlet for receiving the sample, a microsystems technology (MST) layer with functional sections for processing and analyzing the sample, and, CMOS circuitry on the supporting substrate for operative control of a communication interface in the test module for communication with the external device. | 12-22-2011 |
20110312605 | LOC DEVICE WITH INTEGRAL CONTROLLER - A lab-on-a-chip (LOC) device for analyzing a sample fluid, the LOC device having a supporting substrate, a sample inlet for receiving the sample, a microsystems technology (MST) layer with functional sections for processing and analyzing the sample, and, CMOS circuitry between the supporting substrate and the MST layer, the CMOS circuitry having a controller to control operations performed by the functional sections during processing and analysis of the sample. | 12-22-2011 |
20110312606 | LOC DEVICE WITH DIGITAL MEMORY - A lab-on-a-chip (LOC) device for analyzing a sample fluid, the LOC device having a supporting substrate, a sample inlet for receiving the sample, a microsystems technology (MST) layer with functional sections for processing and analyzing the sample, and, CMOS circuitry between the supporting substrate and the MST layer, the CMOS circuitry having digital memory for storing data and operational information to operatively control the functional sections during processing and analysis of the sample. | 12-22-2011 |
20110312624 | MICROFLUIDIC DEVICE WITH FLOW-CHANNEL STRUCTURE HAVING ACTIVE VALVE FOR CAPILLARY-DRIVEN FLUIDIC PROPULSION WITHOUT TRAPPED AIR BUBBLES - A microfluidic device for processing a fluid sample, the microfluidic device having a first channel configured to fill with the sample by capillary action, a second channel configured to fill with the sample by capillary action, a plurality of fluid connections between the first channel and the second channel, one of the fluid connections having an active valve to arrest the sample flow into the second channel and the remaining fluid connections each being configured to pin a meniscus of the sample that arrests capillary flow between the first channel and the second channel, the fluid connection with the active valve being upstream of the remaining fluid connections, wherein during use, the sample flow into the second channel is initiated by activation of the active valve such that the sample flow in the second channel progressively removes the meniscus at each of the meniscus anchors. | 12-22-2011 |
20110312659 | MICROFLUIDIC DEVICE WITH HYBRIDIZATION CHAMBERS AND CORRESPONDING DIFFUSION BARRIERS - A microfluidic device having a sample flow-path for a biological sample containing target nucleic acid sequences, an array of hybridization chambers each containing probes for hybridization with the target nucleic acid sequences, each of the hybridization chambers having a chamber inlet for fluid communication between the sample flow-path and the probes, wherein, the chamber inlet is configured as a diffusion barrier to prevent diffusion of hybridized probes between the hybridization chambers to an extent that causes erroneous hybridization detection results. | 12-22-2011 |
20110312661 | MICROFLUIDIC DEVICE WITH ARRAY OF CHAMBERS AND CORRESPONDING DIFFUSION BARRIERS FOR ELECTROCHEMILUMINESCENT DETECTION OF TARGETS - A microfluidic device for detecting target molecules in a fluid, the microfluidic device having an array of chambers, each containing electrochemiluminescent (ECL) probes for reaction with the target molecules to form a probe-target complex, and electrodes positioned in each of the chambers for receiving an electrical pulse, the probe-target complexes being configured to emit a photon of light when excited by current between the electrodes, a flow-path for the fluid containing the targets, wherein, each of the chambers have a chamber inlet for fluid communication between the sample flow-path and the probes within the chamber, the chamber inlet being configured as a diffusion barrier to prevent diffusion of the probe-target complexes between the chambers to an extent that causes erroneous detection results. | 12-22-2011 |
20110312773 | MICROFLUIDIC DEVICE WITH FAULT-TOLERANT MULTIPLE VALVE ASSEMBLY - A microfluidic device having an inlet for receiving a liquid flowing through the microfluidic device, an outlet downstream of the inlet, and, a fault-tolerant multiple valve assembly having a plurality of flow-paths extending from the inlet to the outlet and a plurality of valves positioned along each of the flow-paths respectively. | 12-22-2011 |
20110312777 | TEST MODULE WITH DIGITAL MEMORY - A test module for analyzing a sample fluid, the test module having a receptacle for receiving the sample, functional sections for processing and analyzing the sample, and, digital memory for storing data and operational information to operatively control the functional sections during processing and analysis of the sample. | 12-22-2011 |
20110312781 | LOC WITH DIGITAL MEMORY TO STORE GENETIC DATA UPDATES - A lab-on-a-chip (LOC) device for analyzing a sample fluid, the LOC device having a sample inlet for receiving the sample, a microsystems technology (MST) layer with functional sections for processing and analyzing the sample, and, CMOS circuitry with digital memory for storing genetic data, and configured to download genetic data updates from an external source. | 12-22-2011 |
20110312787 | LOC HAVING USB DEVICE DRIVER FOR USE IN A TEST MODULE TO CONTROL USB CONNECTION - A lab-on-a-chip (LOC) device for installation in a test module for analyzing a sample fluid and communicating test results to an external device, the LOC device having a supporting substrate, a sample inlet for receiving the sample, a microsystems technology (MST) layer with functional sections for processing and analyzing the sample, and, CMOS circuitry on the supporting substrate, the CMOS circuitry having a universal serial bus (USB) device driver for operative control of a USB plug in the test module for communication with the external device. | 12-22-2011 |
20110312788 | GENETIC ANALYSIS LOC WITH THERMAL BOILING-INITIATED VALVE - A lab-on-a-chip (LOC) device for genetic analysis having a supporting substrate, an array of probes for hybridization with target nucleic acid sequences to form probe-target hybrids, a channel for directing a flow of liquid containing the target nucleic acid sequences, the channel having an inlet, an outlet and a meniscus anchor between the inlet and the outlet such that the flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, and, an actuator valve with a valve heater for heating the meniscus such that the meniscus unpins from the meniscus anchor such that the liquid flow towards the outlet resumes. | 12-22-2011 |
20110312789 | LOC DEVICE WITH FLASH MEMORY - A lab-on-a-chip (LOC) device for analyzing a sample fluid, the LOC device having a supporting substrate, a sample inlet for receiving the sample, a microsystems technology (MST) layer with functional sections for processing and analyzing the sample, and, CMOS circuitry between the supporting substrate and the MST layer, the CMOS circuitry having flash memory for storing program data to operate the functional sections during processing and analysis of the sample. | 12-22-2011 |
20110312791 | TEST MODULE WITH FAULT-TOLERANT MULTIPLE VALVE ASSEMBLY - A test module for genetic analysis having a casing for hand held portability, an inlet for receiving a liquid containing nucleic acid sequences, an outlet downstream of the inlet, and, a fault-tolerant multiple valve assembly having a plurality of flow-paths extending from the inlet to the outlet and a plurality of valves positioned along each of the flow-paths respectively. | 12-22-2011 |
20110312792 | TEST MODULE THAT UPDATES EPIDEMIOLOGICAL DATABASES - A test module for analyzing a sample fluid and communicating epidemiological data to a database, the test module having a receptacle for receiving the sample, functional sections for processing and analyzing the sample, a communication interface for communication with the epidemiological database, and, a controller for operative control of the communication interface. | 12-22-2011 |