98559results about How to "Improve cooling effect" patented technology

Surgical devices, systems and methods for treating tissue are provided. An exemplary surgical device comprises a tip portion including first and second jaws each having a tissue grasping surface, at least one of the jaws being movable toward the other jaw. The tissue grasping surface of each jaw has includes an electrically insulative surface. The device also includes first and second electrodes connectable to different terminals of an RF generator to generate electrical current flow therebetween, with each of the electrodes having an electrode surface. One of the electrode surfaces is located on one of the jaws separated from one edge of the tissue grasping surface, and the other of the electrode surfaces is located on one or the other of the jaws separated from the other edge of the tissue grasping surface. The device also includes at least one fluid passage being connectable to a fluid source.

An ultrasonic surgical instrument is provided. The ultrasonic surgical instrument includes a housing having an elongated shaft extending therefrom. The shaft defines a longitudinal axis therethrough and has at least one jaw member disposed at a distal end thereof. The jaw member(s) is movable between open and clamping configurations. A probe extends through the shaft and operably couples to the housing. The probe includes a cutting blade at a distal end thereof adjacent the jaw member(s) to treat tissue of interest. The jaw member(s) and cutting blade are configured such that heat damage to tissue adjacent tissue of interest that has been treated by the cutting blade is reduced and / or eliminated.

The invention relates to a preparation method and an application of multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric. The multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric is formed by successively arranging and laminating a metal foil reflection layer, a phase change temperature limitation layer, an interval composite membrane heat-insulation layer and a flame-retardant comfortable layer, wherein the metal foil reflection layer has high reflectivity and an enhanced heat-dissipation function; the phase change temperature limitation layer has functions of high energy consumption absorption and evenly-distributed heat conduction; the interval composite membrane heat-insulation layer has the functions of reflection insulation and even distribution of heat; and the flame-retardant comfortable layer has the functions of low-contact heat conduction, heat insulation and comfort. When the front side of the multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric is under the action of open fire and strong heat flow environment, the back side of the multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric can be kept below 50DEG C which is near the safe temperature state of the human skin, and the integral structural form and the mechanical property are stable. The natural thickness of the composite fabric is 5-15mm, the compression thickness of the composite fabric is 3-8mm, and the square meter quality of the composite fabric is 400-1500g / m<2>. The composite fabric is fire-proof heat-insulation material which is totally sealed, stuck and sewn and can be used for individual protection and environment heat insulation in special high-temperature occasions, such as fire control, military, exploration, safe escape and industry and the like.

Exemplary embodiments of the present invention provide a wafer-level light emitting diode (LED) package and a method of fabricating the same. The LED package includes a semiconductor stack including a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer; a plurality of contact holes arranged in the second conductive type semiconductor layer and the active layer, the contact holes exposing the first conductive type semiconductor layer; a first bump arranged on a first side of the semiconductor stack, the first bump being electrically connected to the first conductive type semiconductor layer via the plurality of contact holes; a second bump arranged on the first side of the semiconductor stack, the second bump being electrically connected to the second conductive type semiconductor layer; and a protective insulation layer covering a sidewall of the semiconductor stack.

An engine unit includes an engine body, and a supercharging machine having a main body. The main body of the supercharging machine is coupled to the engine body via a component or a member disposed therebetween.

A light engine assembly, comprising at least one trim element, a light engine housing, and a light engine comprising at least one solid state light emitter. In some embodiments, an external surface of the light engine housing is in contact with an internal surface of the trim element. In some embodiments, the light engine assembly further comprises at least one thermal interface element positioned between and in contact with the light engine housing and the trim element. In some embodiments, the light engine assembly further comprises light engine housing fins which are in contact with the light engine housing and the trim element.

Semiconductor packages having a thin structure capable of easily discharging heat from a semiconductor chip included therein, and methods for fabricating such semiconductor packages, are disclosed. An embodiment of a semiconductor package includes a semiconductor chip having a first major surface and a second major surface, the semiconductor chip being provided at the second major surface with a plurality of input / output pads; a circuit board including a resin substrate having a first major surface and a second major surface, a first circuit pattern formed at the first major surface and provided with a plurality of ball lands, a second circuit pattern formed at the second major surface and provided with a plurality of bond fingers connected with he ball lands by conductive via holes through the resin substrate, cover coats respectively coating the first and second circuit patterns while allowing the bond fingers and the ball lands to be exposed therethrough, and a central through hole adapted to receive the semiconductor chip therein; electrical conductors that electrically connect the input / output pads of the semiconductor chip with the bond fingers of the circuit board, respectively; a resin encapsulate that covers the semiconductor chip, the electrical conductors, and at least part of the circuit board; and, a plurality of conductive balls fused on the ball lands of the circuit board, respectively.

Provided is an annealing apparatus, which is free from a problem of reduced light energy efficiency resulted by the reduction of light emission amount due to a heat generation and capable of maintaining stable performance. The apparatus includes: a processing chamber 1 for accommodating a wafer W; heating sources 17a and 17b including LEDs 33 and facing the surface of the wafer W to irradiate light on the wafer W; light-transmitting members 18a and 18b arranged in alignment with the heating sources 17a and 17b to transmit the light emitted from the LEDs 33; cooling members 4a and 4b supporting the light-transmitting members 18a and 18b at opposite side to the processing chamber 1 to make direct contact with the heating sources 17a and 17b and made of a material of high thermal conductivity; and a cooling mechanism for cooling the cooling members 4a and 4b with a coolant.

Provided are methods for making a device or device component by providing a multilayer structure having a plurality of functional layers and a plurality of release layers and releasing the functional layers from the multilayer structure by separating one or more of the release layers to generate a plurality of transferable structures. The transferable structures are printed onto a device substrate or device component supported by a device substrate. The methods and systems provide means for making high-quality and low-cost photovoltaic devices, transferable semiconductor structures, (opto-)electronic devices and device components.

Ultrasound applicators able to both image a treatment site and administer ultrasound therapy include an array of transducer elements that can be focused. In several embodiments, an electronically phased array is used for controlling the focal point of an ultrasound beam. The ultrasound beam produced thereby can also be electronically steered. To reduce the quality factor or Q of the array when the array is used for imaging, an electronic switch is selectively closed, placing a resistance in parallel with each of the array elements. A flexible array is employed in several embodiments and is selectively bent or flexed to vary its radius of curvature and thus control the focal point and / or a direction of focus of the array. In another embodiment, each of the transducer elements comprising the array are individually mechanically pivotable to steer the ultrasonic beam produced by the transducer elements.

A light source apparatus having a radiator plate having thermally conductive properties and an insulating member coupled to at least one side of the radiator plate having a through hole provided in a side thereof facing the radiator plate. The light source apparatus further including a LED chip installed and thermally coupled to an exposed portion of the radiator plate facing the through hole, an extension inwardly projecting at the through hole from the radiator plate end of the insulating member, and a wiring pattern provided on the insulating member electrically isolated by the insulating member from the radiator plate. The light source apparatus also including bonding wires electrically connecting portions of the wiring pattern on the extension and the electrodes of the LED chip, and a light-transmissive sealing material filling the through hole for entirely encapsulating the LED chip and the bonding wires.

An air flow system and method are provided which include a duct configured to mount either as an inlet or outlet duct to an electronics rack. When mounted to cover an air-intake side of the electronics rack, a supply air flow plenum is defined for directing conditioned air to the air-intake side. The duct includes a first air inlet at a first end for receiving the conditioned air, and is tapered from the first end to a second end thereof, with the supply plenum having a varying air flow cross-section. The duct further includes a second air inlet for providing supplemental room air to the plenum. The second inlet is disposed adjacent to the first inlet, thereby facilitating mixing of conditioned air with room air within the supply air flow plenum prior to delivery thereof to the air-intake side of the electronics rack.

An ultrasonic apparatus and method is provided for the selective and targeted removal of unwanted tissues. The apparatus and methods may utilize combinations of ultrasonic and cryogenic energy for the selective removal tissue. The apparatus generates and delivers to the tissue cryogenic and ultrasonic energy either in combination or in sequence, provides resize ablation of unwanted tissue parts, and may be used on various body tissues including internal organs.

A method for improving heat dissipation in an encapsulated electronic package usually referred to as a chip-size SAW package. The package comprises one or more acoustic-wave components fabricated on a die, which is disposed on an electrically non-conductive carrier separated by electrically conducting bumps. The top of the package is covered by a laminate and a hermetic seal layer. Heat dissipation can be improved by removing a part of the laminate and then depositing a layer of thermal conducting material on the package, and by providing one or more heat conducting paths through the carrier.