Abstract: A heater to control an ink bubble, and an inkjet printhead having the heater. The heater has different resistances according to portions thereof.

Abstract: The present invention relates to an anti-fretting wear spacer grid having a plurality of canoe-shaped springs formed thereon, wherein each of the canoe-shaped springs includes: a fuel rod-contacting part having a flat surface having a predetermined longitudinal length so as to have linear contact with the fuel rod; a curved face-connecting part formed on the upper and lower portions of the fuel rod-contacting part; a leg-connecting part formed on the end portion of the curved face-connecting part; and legs each being formed of a plate shape having a predetermined length and connecting the both sides of the leg-connecting part with one unit grid cell surface.

Abstract: A method of manufacturing an inkjet printhead includes forming a chamber layer having multiple ink chambers on a substrate. A sacrificial layer is formed and is configured to fill a space associated with the ink chambers on the chamber layer. A nozzle layer is formed on the top surfaces of the chamber layer and the sacrificial layer and having multiple nozzles. An etching mask is prepared on the bottom surface of the substrate. The etching mask has at least one linear etching pattern configured to define a portion of the substrate in which an ink feed hole is to be formed. The substrate is etched through the linear etching pattern until the sacrificial layer is exposed and a through hole is formed. The through hole defines the portion of the substrate in which the ink feed hole is to be formed. The sacrificial layer and the portion of the substrate surrounded by the through hole are removed to form the ink feed hole.

Abstract: Provided are a biochip platform for biochemically analyzing a sample such as DNA or protein, including a dielectric particle layer, and an optical assay apparatus including the same. The biochip platform includes the dielectric particle layer uniformly formed on a substrate. The particle uniformity of the dielectric particle layer enables good wavelength separation of fluorescence signal, and the large surface area of the dielectric particle layer guarantees better amplifications efficiency of fluorescence signal. Furthermore, the biochip platform shows good economical efficiency due to easy fabrication process, and is particularly useful in an optical assay apparatus for analyzing a biochemical sample due to good assay efficiency.

Abstract: Provided is a method of sensing biomolecules using a bioFET, the method including: forming a layer including Au on a gate of the bioFET; forming a probe immobilized on a substrate separated from the gate by a predetermined distance, and a biomolecule having a thiol group (—SH) which is incompletely bonded to the probe; reacting the probe with a sample including a target molecule; and measuring a current flowing in a channel region between a source and a drain of the bioFET.

Abstract: Provided are an apparatus and method of controlling jetting of ink of an inkjet printer. The apparatus includes at least one print head chip, which includes a temperature sensor for sensing the temperature of the print head chip and a voltage controlled oscillator (VCO) for converting the sensed temperature to a frequency component. The apparatus may also include a counter, which converts the frequency component to a code information using a reference frequency component, and a controller, which controls the ink jetting operation of the at least one print head chip based on the code information and/or the frequency component.

Abstract: A heater of a thermal inkjet printhead. The heater is formed of tantalum aluminum oxynitride (Ta—Al—ON), wherein the tantalum aluminum oxynitride is formed of about 30 to about 60 atomic % tantalum, about 10 to about 30 atomic % aluminum, about 5 to about 30 atomic % oxygen, and about 5 to about 30 atomic % nitrogen.

Abstract: A film bulk acoustic resonator (FBAR) including a substrate having an etched air gap therethrough; a resonance part having a first electrode, a piezoelectric film and a second electrode which are laminated in turn above the air gap; and an etching resistance layer disposed between the air gap and the resonance part to limit an etching depth in forming the air gap, thereby preventing damage to the resonance part.

Abstract: An inductor integrated chip and fabrication method thereof is provided. The inductor integrated chip includes a wafer; an inductor bonded on a surface of the wafer; a circuit element formed on the surface of the wafer and coupled to a first end of the inductor; a packaging wafer connected to the surface of the wafer and packaging the inductor and the circuit element; and a connecting electrode formed on the packaging wafer and connected to a second end of the inductor. The method includes forming an inductor and a circuit element on a surface of a wafer, wherein the circuit element is coupled to a first end of the inductor; forming a connecting electrode on a packaging wafer; and packaging the inductor and the circuit element by joining the wafer and the packaging wafer so as to connect the connecting electrode with a second end of the inductor.

Abstract: The present invention relates to a black paste composition and an upper plate of plasma display panel using the same. The upper plate of plasma display panel comprises an upper substrate, a transparent electrode disposed on a predetermined position of the upper substrate, a bus electrode disposed on a predetermined position of the transparent electrode and a black matrix disposed between the transparent electrode and the bus electrode, and in each discharge cell. The black paste composition comprises about 5 to 25 parts by weight of a heat resistant black pigment; about 5 to 20 parts by weight of a glass powder; about 25 to 30 parts by weight of a binder; about 5 to 15 parts by weight of a photopolymerization monomer; about 1 to 10 parts by weight of a photopolymerization initiator; and about 20 to 35 parts by weight of a solvent.

Abstract: An inductor fabricated with a dry film resist and a cavity and a method of fabricating the inductor. The cavity can be formed in a substrate to minimize a parasitic capacitance generated by structures of upper electrodes, an insulating layer, and a lower electrode and minimize energy loss caused by an eddy current generated through the substrate. Also, a process of forming and planarizing the cavity can be simplified so as to form the cavity to a sufficient depth. As a result, an inductor having a high quality factor and a high self resonant frequency can be fabricated. Also, a scheme for simply forming and planarizing a cavity is contemplated.

Abstract: The present invention relates to an electrode paste composition, a front plate of plasma display panel, and a manufacturing method manufactured using the same. The front plate of plasma display panel comprises a front substrate, a bus electrode disposed on a predetermined position of the front substrate and a black matrix disposed in each discharge cell. The paste composition for a bus electrode comprises about 5 to 20 parts by weight of a binder, about 2 to 15 parts by weight of a photopolymerization monomer, about 1 to 8 parts by weight of a photopolymerization initiator, about 5 to 20 parts by weight of a solvent, about 1 to 10 parts by weight of a glass powder, about 50 to 80 parts by weight of a metal powder and about 0.1 to 5 parts by weight of a boron oxide (B2O3).

Abstract: A device and a method of subdividing data service charge in mobile communication network is disclosed. In one embodiment, the method includes receiving a billing initiation request signal from a wireless data service device (either an interworking function (IWF) unit or a packet data serving node (PDSN)), producing a usage-amount data for the subscriber based on at least one of the type and amount of data being transmitted through the wireless data service device on the mobile communication network. The method also includes, responsive to a billing end request signal, received from the wireless data service device, transferring a billing request signal, requesting to bill the subscriber for the usage-amount data, to an authentication, authorization and accounting (AAA) unit. In one embodiment, the above method can apply to a graduated billing for the each service group in the mobile communication network.

Abstract: An apparatus to sense the temperature of an ink-jet head includes at least one or more CMOS (complementary metal oxide semiconductor) lateral BJTs (bipolar junction transistors) to sense the temperature of the ink-jet head, and a current supply unit to supply a current to the CMOS lateral BJTs. Minimum sized CMOS lateral BJTs are applied to an ink-jet printer head so that precise temperature control can be performed in a shuttle or array type ink-jet printer.

Abstract: A coupled resonator filter and a method of fabricating the coupled resonator filter are provided. The method includes: sequentially stacking a first electrode, a first piezoelectric layer, a second electrode, an insulating layer, a third electrode, a second piezoelectric layer, and a fourth electrode on a surface of a substrate; sequentially patterning the first electrode, the first piezoelectric layer, the second electrode, the insulating layer, the third electrode, the second piezoelectric layer, and the fourth electrode to expose areas of the first, second, and third electrodes; forming a plurality of connection electrodes respectively connected to the exposed areas of the first, second, and third electrodes and an area of the fourth electrode; and etching an area of the substrate underneath the first electrode to form an air gap.

Abstract: The present invention provides a method of selectively lysing non-viable cells from a cell population within a sample, the method including selectively lysing non-viable cells by mixing a cell-containing sample with a lysis buffer including a non-ionic surfactant and a divalent cation salt.

Abstract: An inkjet printhead and a method of manufacturing the same. The inkjet printhead includes a silicon on insulator (SOI) substrate including a lower silicon substrate, a middle insulating layer, an upper silicon substrate, and an ink feed hole, the ink feed hole penetrates the SOI substrate to supply ink, an insulating layer stacked on the upper silicon substrate of the SOI substrate, a chamber layer stacked on the insulating layer in which a plurality of ink chambers filled with ink supplied from the ink feed hole is formed, a nozzle layer stacked on the chamber layer in which a plurality of nozzles is formed to correspond to the ink chambers, a plurality of heaters formed on the insulating layer which heats ink in the ink chambers to generate bubbles and eject ink through the nozzles, and a driving circuit region on which a driving circuit is formed to drive the heaters.

Abstract: A method of fabricating an inkjet printhead.

Abstract: A 3-dimensional air bubble trapping apparatus includes a plurality of chambers, each having an inflow and outflow channel at both ends, and which traps air bubbles in a material introduced through the inflow channel, wherein the chambers are divided into a previous chamber and a next chamber based on a moving direction of the material in the chamber, and wherein the outflow channel of the previous chamber is connected to the inflow channel of the next chamber, and wherein a face perpendicular to an outflow direction of the material in the outflow channel of the previous chamber is not disposed parallel with a face perpendicular to the outflow direction of the material in the outflow channel of the next chamber, whereby air bubbles in the material are trapped without being affected by an angle defined by a gravity direction and vibration of the apparatus.

Abstract: A tri-state RF MEMS switch includes: a first well formed in a first substrate; a first input signal line and a first output signal line forming a first gap therebetween in the first well; a post bar forming a boundary between the second well and third well in the second substrate; a second input signal line and a second output signal line, and a third input signal line and a third output signal line forming a second gap and a third gap in the second well and the third well, respectively; and a membrane disposed between the first substrate and the second substrate such that the membrane crosses the first, second and third gaps, the membrane including a first conductive pad, a second conductive pad, and a third conductive pad thereon to face the first, second and third gaps, respectively.