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Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7992760 | Conduit purging device and method A device for purging gas comprises a conduit assembly defining an interior volume. The conduit assembly comprises a first conduit portion having an open first end and an open second end and a second conduit portion having an open first end and a closed second end. T... | 08/09/2011 |
| 7988031 | Reflow furnace and heater for blowing hot air A reflow furnace using a conventional heater for blowing hot air has difficulty in reducing Δt and in stabilizing the oxygen concentration at a low level. In addition, it is difficult to uniformly discharge hot air from the discharge holes in a perforated plate of ... | 08/02/2011 |
| 7975899 | Work clamp and wire bonding apparatus A work clamp and a wire bonding apparatus that can sufficiently restrain oxidation of a bonding area even while reducing an amount of antioxidant gas that is used are provided. The work clamp includes an interior hollow portion 10 providing an atmosphere of t... | 07/12/2011 |
| 7735708 | Reflow furnace In a second horizontal plate (18a) bottoming an atmosphere recovery box (18), there are formed circular holes (21) between blowout pipes (20) adjacent to each other. Each of partition walls (2) positioned above a conveyor ( | 06/15/2010 |
| 7690549 | Purge line for welding backup A purge arrangement for welding backup of a seam between two surfaces selected for welding together along respective runs which define the seam includes a ventilated tubeform and an adhesive tape attached for forming a seal across the back of the seam and sealing in... | 04/06/2010 |
| 7380699 | Method and apparatus for vapour phase soldering The present invention concerns a method and an apparatus for performing soldering of items that are applied a soldering agent, where the soldering apparatus includes at least one soldering zone, where the soldering zone include means for generating vapor, the appara... | 06/03/2008 |
| 7367584 | Gas generating system A gas generator (10) includes an igniter (27) and first and second inflation gas generant compositions (52, 52′) positioned to enable fluid communication with the igniter (27) upon activation of the igniter. Flow regulators (54, 54 | 05/06/2008 |
| 7341449 | Process for the heat treatment of a series of objects and associated apparatus A method and apparatus for heat treating objects in an enclosure, where the enclosure has an inlet passage, an outlet passage, and a treatment zone. Gaseous first fluid is injected into the treatment zone and the objects to be treated are passed through the treatmen... | 03/11/2008 |
| 7332424 | Fluxless solder transfer and reflow process Disclosed is a new process that permits the transfer and reflow of solder features produced by Injection Molded Solder (IMS) from a mold plate to a solder receiving substrate without the use of flux. Several embodiments produce solder transfer and reflow separately ... | 02/19/2008 |
| 7329826 | Nozzle assembly for welding torch A nozzle assembly operable to secure a porous disc within a welding torch. The nozzle assembly comprises a front nozzle member and a rear nozzle member. The front nozzle member is securable to the rear nozzle member. The porous disc is captured between the front noz... | 02/12/2008 |
| 7303109 | Stud bumping apparatus The invention provides an apparatus and a method for forming conductive bumps on a plurality of semiconductor devices with an oxidizable material. The apparatus comprises a bump forming device, a chamber system adapted to house the semiconductor devices and a gas su... | 12/04/2007 |
| 7282663 | Forge welding process An automated method for forge welding tubulars including heating the tubular ends to be joined in a welding chamber while the heated tubular ends are maintained aligned and parallel relative to each other and at a small spacing, whereupon the heated tubular ends are... | 10/16/2007 |
| 7267365 | Inflator An inflator for a vehicle occupant restraint system. The inflator includes a cylindrical outer wall having a longitudinal axis and a first opening formed therealong for enabling fluid communication between an interior of the inflator and an exterior of the inflator.... | 09/11/2007 |
| 7259348 | Welding torch having integral gas lens and collet and method of operating same A welding torch member for securing an electrode to a welding torch is provided. The welding torch member may be adapted to capture the electrode and to enable gas to flow through the welding torch member. The welding torch member may be adapted with a first portion... | 08/21/2007 |
| 7253373 | Air-cooled arc welding implement A welding implement, such as a TIG welding torch. The welding implement comprises a torch head and a thermal storage member. The torch head is operable to conduct electricity to a welding electrode disposed therein. The thermal storage member is adapted to store hea... | 08/07/2007 |
| 7237801 | Gas generating system A gas generating system (10) includes a tubular outer housing (12) having a longitudinal axis (L) and one or more apertures (12d) formed therealong to enable fluid communication between an interior of the outer housing and an exterior of ... | 07/03/2007 |
| 7221426 | Discharging method of in-plane switching mode liquid crystal display device A method for discharging a in-plane switching mode liquid crystal display panel including: providing a color filter substrate and a thin film transistor substrate; forming a liquid crystal layer between the color filter substrate and the thin film transistor substra... | 05/22/2007 |
| 7213737 | Graphite braze bar inserts Disclosed is a braze bar carrier system for utilization in holding and maintaining the alignment of a plurality of components in an apparatus during a brazing process. The braze bar carrier system includes a graphite insert that prevents the brazing flux from wettin... | 05/08/2007 |
| 7182793 | System for reducing oxidation of electronic devices The invention provides a system for reducing oxidation of a semiconductor device when it is heated, for example during wire bonding. A holding device is provided for securing the semiconductor device to a platform. The holding device includes an opening for providin... | 02/27/2007 |
| 7181821 | Joining expandable tubulars A method of joining expandable tubulars includes joining the tubulars by forge welding and flushing a reducing flushing gas around the heated tubular ends during at least part of the forge welding operation such that oxides are removed from the forge welded tubular ... | 02/27/2007 |
| 7182664 | Method and an apparatus for manufacturing an organic EL display device An organic EL light emitting device and a color conversion filter are placed in an environment in which concentrations of water and oxygen are controlled. A peripheral sealing agent with a ring shape is applied around the color conversion filter, and a filler materi... | 02/27/2007 |
| 7137544 | Apparatus and method for performing welding at elevated temperature A welding apparatus includes a workpiece housing having a window therethrough and having a welding access therethrough for a welder to an interior of the workpiece housing. The workpiece housing is metallic with a heat insulation on an internal surface thereof. A la... | 11/21/2006 |
| 7131566 | Packaging method using lead-free solder This invention relates to a packaging method using lead-free solder, characterized by including a reflow-soldering step in which a surface mount device is soldered to a circuit board with a lead-free solder paste; an inserting step in which the lead or terminal of a... | 11/07/2006 |
| 7112358 | Self-adhesive purge dam for retaining purge gas around a weld zone A self-adhesive purge dam for retaining purge gas around a weld zone includes a base configured to substantially obstruct an air passage leading to the weld zone and an adhesive skirt extending from the base and configured to engage portions of the air passage. An a... | 09/26/2006 |
| 7105766 | Welding torch having removable handle and method of operating same A welding torch having a torch body that is adapted to receive a welding electrode. A collet and collet body, or other mechanism, may be used to secure the electrode to the torch body. The welding torch has a handle that is securable to the torch body, but which may... | 09/12/2006 |
| 7053329 | System and method for securing a welding electrode to a welding torch A system and method for securing a welding electrode to a welding torch. The system includes a collet body having a first portion that compresses an end of a collet against a welding electrode as the collet is urged against the first portion. The collet body also in... | 05/30/2006 |
| 7048173 | Wave soldering method using lead-free solder, apparatus therefor, and wave-soldered assembly The present invention relates to a wave soldering method and a wave soldering apparatus using lead-free solder comprising a wave soldering step in which the lower side of a substrate with leads of component parts inserted in through-holes formed in the substrate fro... | 05/23/2006 |
| 7022939 | Through weld for aluminum or aluminum alloy base metals by using high-density energy beams This invention provides a new through weld method to carry out welding of a base metal made of aluminum or that of aluminum alloy using high energy beams wherein a shield gas ambience (an inert gas ambience) to cover a welding site in a submerged-scar is formed, eve... | 04/04/2006 |
| 7014673 | Filtering apparatus A filtering apparatus for a reflow oven includes a contaminated-gas inlet for receiving contaminated gas from a reflow oven; a filtering device configured to filter the received contaminated gas; a returned gas outlet for returning filtered gas to the reflow oven; a... | 03/21/2006 |
| 6991967 | Apparatus and method for die attachment The invention provides an apparatus for die attachment onto a substrate including non-metallic material, and metallic material that is adapted to receive a die having a eutectic coating. A heating conduit is provided through which the substrate is movable for heatin... | 01/31/2006 |
| 6949398 | Low cost fabrication and assembly of lid for semiconductor devices A method is disclosed for encapsulating micromechanical elements or features on a substrate. In accordance with the method, a first substrate (111) is provided which has a patterned surface (113). A seed metallization (121) is then deposited ont... | 09/27/2005 |
| 6942137 | Die removal method and apparatus A method and apparatus for separating a semiconductor device from a substrate in a fixture with a shearing element, wherein the semiconductor device is attached to the substrate by solder connections to form an assembly, includes using the shearing element to apply ... | 09/13/2005 |
| 6926191 | Process for fabricating external contacts on semiconductor components A polymer masking flux for fabricating external contacts on semiconductor components includes a polymer resin, a fluxing agent and a curing agent. The flux is configured to clean contact pads for the external contacts, and to hold the external contacts on the contac... | 08/09/2005 |
| 6866182 | Apparatus and method to prevent oxidation of electronic devices The invention provides an apparatus and a method for preventing oxidation of an electronic device, such as a semiconductor leadframe, when it is heated. The apparatus comprises an area in which said device is to be heated and inlet means adapted to supply a relative... | 03/15/2005 |
| 6827249 | Fluxless tube seal A solder machine that can automatically solder a fiber optic cable to a package. The solder machine includes a fixture for supporting the cable and the package. The machine has a gas heater that emits a heated inert gas. The gas heats at least a portion of the packa... | 12/07/2004 |
| 6814273 | Flatwire repair tool systems and methods A system and method for reworking, repairing and upgrading flatwire is disclosed. A repair tool for reworking and/or repairing the flatwire is disclosed for creating subsequent electrical and mechanical joints of equal or greater quality as compared to the original ... | 11/09/2004 |
| 6796483 | Method and device for producing a soldered joint A method and device is provided for thermal treatment of workpieces or components, in particular for producing a soldered joint between a solder material and at least one component or workpiece which is used as a carrier for said solder material, by melting of the s... | 09/28/2004 |
| 6794616 | Solder reflow oven A solder flow oven comprises a reflow zone for heating a workpiece using heated air to a temperature effective to reflow solder. The reflow zone comprises a nozzle having divergent vanes that direct shear layers into neighboring zones to extend the distance over whi... | 09/21/2004 |
| 6761301 | Soldering machine A soldering machine using lead-free solders is provided which can uniformly heat a printed circuit board and electronic parts to be mounted thereon, and which can solder the electronic parts without thermally damaging them. A porous member having a number of holes f... | 07/13/2004 |
| 6761304 | Heating head for soldering and de-soldering of SMD components A heating head for soldering and de-soldering surface mount devices (SMD's) using hot inert gas or air is comprised of a handle in which there is placed a heater sub-assembly on which there is secured a quick connect mechanism for mounting a heating nozzle. The heat... | 07/13/2004 |
