Abstract: According to an embodiment, an inkjet head includes a nozzle that ejects ink, an ink pressure chamber that connects to the nozzle, an actuator that changes a volume of the ink pressure chamber, and an actuator driving circuit that drives the actuator with a driving waveform. The driving waveform includes an ejection pulse portion that changes from a first voltage to a second voltage at which the ink pressure chamber expands and then changes from the second voltage to a third voltage at which the ink pressure chamber contracts so as to eject the ink from the nozzle. The third voltage is between that of the first and second voltages in potential level. The potential difference between the second and third voltages is greater than the potential difference between the third and first voltages.

Abstract: A liquid ejection head includes a nozzle for ejecting a droplet of a liquid, a pressure chamber connected to the nozzle, an actuator for changing a volume of the chamber according to a voltage signal, and a drive circuit generating the signal for ejecting n droplets, where n is an integer of 3 or more. The signal includes (n?1) ejection pulses, comprising a first pulse lowering the voltage signal to a first value to expand the chamber and then to a second value to contract the chamber, and a second pulse lowering the voltage signal to the first value and then to a third value higher than the second value. The pulses are input at intervals of 0.8? to 1.2?, where ? is a primary natural vibration period of the chamber filled with the liquid.

Abstract: A liquid ejection device includes a liquid supply unit, an array of nozzles arranged in a matrix and through which liquid is ejected, actuators each connected to one of the nozzles, and a circuit configured to output signals to the actuators according to delay times that are predetermined in a matrix corresponding to the matrix of the array. The delay times include (k+l?1) or more different delay times where the matrix thereof has k columns and l rows. The matrix is defined such that a difference of two adjacent delay times in each of column and row directions is an odd multiple of a half cycle of a natural vibration period of the liquid, and between two adjacent columns and rows, two or more different delay time differences exist between each pair of corresponding delay times of the adjacent columns and rows, respectively.

Abstract: An inkjet head includes a pressure chamber storing ink, a nozzle communicating with the chamber, an actuator ejecting the ink through the nozzle by changing a volume of the chamber, and a circuit outputting a drive signal to the actuator with a drive waveform having a cycle based on a number of gradation levels being used for printing. When printing is performed using three or more gradation levels, the circuit outputs the signal that has a multi-drop drive waveform including two or more first waveforms for ejecting first to (n?1)-th droplets of the ink where n is equal to or greater than 3, a second waveform for ejecting an n-th droplet of the ink, and an intermediate time between the first waveform for ejecting the (n?1)-th droplet and the second waveform for ejecting the n-th droplet. The intermediate time is longer than a time between two adjacent first waveforms.

Abstract: A liquid ejection head includes a nozzle for ejecting a droplet of a liquid, a pressure chamber connected to the nozzle, an actuator for changing a volume of the chamber according to a voltage signal, and a drive circuit generating the signal for ejecting n droplets, where n is an integer of 3 or more. The signal includes (n?1) ejection pulses, comprising a first pulse lowering the voltage signal to a first value to expand the chamber and then to a second value to contract the chamber, and a second pulse lowering the voltage signal to the first value and then to a third value higher than the second value. The pulses are input at intervals of 0.8? to 1.2?, where ? is a primary natural vibration period of the chamber filled with the liquid.

Abstract: This disclosure relates to a leadless packaged semiconductor device including a top and a bottom opposing major surfaces and sidewalls extending between the top and bottom surfaces, the leadless packaged semiconductor device further includes a lead frame structure including an array of two or more lead frame sub-structures each having a semiconductor die arranged thereon, and terminals and a track extended across the bottom surface of the semiconductor device. The track provides a region for interconnecting the semiconductor die and terminals, and the track is filled by an insulating material to isolate the lead frame sub-structures.

Abstract: According to an embodiment, an inkjet head includes a nozzle that ejects ink, an ink pressure chamber that connects to the nozzle, an actuator that changes a volume of the ink pressure chamber, and an actuator driving circuit that drives the actuator with a driving waveform. The driving waveform includes an ejection pulse portion that changes from a first voltage to a second voltage at which the ink pressure chamber expands and then changes from the second voltage to a third voltage at which the ink pressure chamber contracts so as to eject the ink from the nozzle. The third voltage is between that of the first and second voltages in potential level. The potential difference between the second and third voltages is greater than the potential difference between the third and first voltages.

Abstract: A device for shaping tissue includes a tip with an internal close-looped circulation system. The tip is configured to connect to tubes. One tube is configured to connect to a submersible cold-water pump. Another tube is an outlet. The tip has a sapphire window on one face and, on opposite face, a shaft with a laser fiber therein, and an opening for laser beam to shine through.

Abstract: A semiconductor device is provided, including a lead frame, a metal pad and the metal pad is connected to a back side of the semiconductor device via the lead frame. The semiconductor device further includes a die pad, and the die pad is attached to the lead frame via a die attach material, and an encapsulant that is disposed on the top surface of the lead frame. The encapsulant isolates the metal pad from the die pad.

Abstract: A semiconductor device is provided, including a first die, such as a GaN HEMT die, and a second die, such as a MOSFET die, with the second die positioned on the top of the first die. The second die is attached using a die attach adhesive. The semiconductor device further includes an encapsulant deposited on the top of the semiconductor device. The encapsulant is covering the first die and the second die. Metalized vias are created within the encapsulant, and the metalized vias are arranged to distribute terminals of the first die and the terminals of the second die to the top side of the semiconductor device.

Abstract: An inkjet head includes a pressure chamber storing ink, a nozzle communicating with the chamber, an actuator ejecting the ink through the nozzle by changing a volume of the chamber, and a circuit outputting a drive signal to the actuator with a drive waveform having a cycle based on a number of gradation levels being used for printing. When printing is performed using three or more gradation levels, the circuit outputs the signal that has a multi-drop drive waveform including two or more first waveforms for ejecting first to (n?1)-th droplets of the ink where n is equal to or greater than 3, a second waveform for ejecting an n-th droplet of the ink, and an intermediate time between the first waveform for ejecting the (n?1)-th droplet and the second waveform for ejecting the n-th droplet. The intermediate time is longer than a time between two adjacent first waveforms.

Abstract: A liquid ejection device includes a liquid supply unit, an array of nozzles arranged in a matrix and through which liquid is ejected, actuators each connected to one of the nozzles, and a circuit configured to output signals to the actuators according to delay times that are predetermined in a matrix corresponding to the matrix of the array. The delay times include (k+l?1) or more different delay times where the matrix thereof has k columns and l rows. The matrix is defined such that a difference of two adjacent delay times in each of column and row directions is an odd multiple of a half cycle of a natural vibration period of the liquid, and between two adjacent columns and rows, two or more different delay time differences exist between each pair of corresponding delay times of the adjacent columns and rows, respectively.

Abstract: A method of altering corneal tissue includes creating an electrochemical reaction in the tissue, wherein the electrochemical reaction occurs in the presence of an electrolytic solution in or on the tissue.

Abstract: The illustrated embodiments include an apparatus to reduce or eliminate full thickness injury in tissue and to deform tissue which includes a probe or mechanism for deforming tissue, and a subsystem for selectively cooling and/or heating tissue while deformation is of the tissue is being performed. The illustrated embodiments of the invention also extend to a method to reduce or eliminate full thickness injury in tissue and to deform tissue including the steps of deforming tissue, and selectively cooling and/or heating tissue while deformation of the tissue is being performed.

Abstract: A method of altering skin tissue includes creating an electrochemical reaction in the tissue, wherein the electrochemical reaction occurs while avoiding electro-thermal damage to the tissue.

Abstract: This disclosure relates to a leadless packaged semiconductor device including a top and a bottom opposing major surfaces and sidewalls extending between the top and bottom surfaces, the leadless packaged semiconductor device further includes a lead frame structure including an array of two or more lead frame sub-structures each having a semiconductor die arranged thereon, and terminals and a track extended across the bottom surface of the semiconductor device. The track provides a region for interconnecting the semiconductor die and terminals, and the track is filled by an insulating material to isolate the lead frame sub-structures.

Abstract: A package comprises a body having a mounting surface so as to be mounted to an external surface, and a coil having at least 100 turns around a coil axis. A first end of the coil is oriented in a first direction substantially parallel to the mounting surface such that the first end is attachable to the external surface. The package includes a ferromagnetic element that extends along the coil axis such that the ferromagnetic element is magnetically coupled to the coil. The body is configured to house the coil and the ferromagnetic element.

Abstract: A method of altering adipose tissue includes creating an electrochemical reaction in the tissue, wherein the electrochemical reaction occurs in the presence of an electrolytic solution in the tissue.

Abstract: A method of modifying a tissue includes providing an electrochemical reaction in the tissue by the use of an anodic electrode and a cathodic electrode wherein at least one of the anodic and cathodic electrodes is in contact with the tissue; and setting a concentration of electrochemically generated chemical agents that affect the tissue.

Abstract: A dispersed mobile-phase countercurrent chromatography system is described in which solutes are carried by a stream of dispersed mobile phase solvent through a column, or array of serially-connected columns, of stationary phase solvent with which the mobile phase solvent is immiscible. Solutes carried along by the stream of dispersed mobile-phase solvent will be equilibrated between the mobile-phase solvent and the stationary-phase solvent. Because the mobile-phase is dispersed into mini-droplets much smaller in diameter than the column of stationary phase, the enhanced surface/volume ratio of the droplets expedites countercurrent equilibration of different solutes between the mobile-phase solvent and the stationary-phase solvent in accordance with the distribution-coefficients of the solutes between the two solvents.