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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8172126 | Joining of parts via magnetic heating of metal-aluminum powders A method of joining at least two parts includes steps of dispersing a joining material comprising a multi-phase nanocrystalline magnetic metal-aluminum powder at an interface between the at least two parts to be joined and applying an alternating magnetic field (AMF... | 05/08/2012 |
| 7950567 | Organic light emitting diode display device and method of fabricating the same An organic light emitting diode (OLED) display device and a method of fabricating the same are disclosed. In one embodiment, the method includes: i) preparing a support and a flexible layer, ii) forming a first metal layers on one side of a support and a second meta... | 05/31/2011 |
| 7441690 | Joined structure of different metals and friction welding method thereof A joined structure of different metals is usable even in a severely corrosive environments such locations susceptible to salt damage. In a joined structure of different metals, members of different metals are joined to each other in such a manner that a flange is al... | 10/28/2008 |
| 7407084 | Method for mounting a semiconductor chip onto a substrate A method for mounting a semiconductor chip onto a substrate the side of which facing towards the substrate is coated with an adhesive layer is characterised by the following steps: (1) Lowering the semiconductor chip until the semiconductor chip touches... | 08/05/2008 |
| 7353977 | Frictional joining method and frictional joining structure An aluminum plate and a steel plate are lapped. A rotating tool is placed on the aluminum plate, and then a pressing force and a rotational force around a pressing axis of the rotating tool are applied to the aluminum plate and the steel plate. A zinc plating layer ... | 04/08/2008 |
| 7156277 | Friction stir welding method and apparatus A friction stir welding (FSW) method and apparatus are provided by which power needed for FSW is reduced and a compact FSW tool can be used. In the FSW method, metal members are lapped one on another and a rotating probe of an FSW tool is inserted into a contact por... | 01/02/2007 |
| 6935556 | Method for mounting electronic components on substrates In the method for mounting electronic components on substrates by means of pressure sintering, a paste which is composed of a metal powder and a solvent is applied between the component and the substrate. Once the paste has dried completely, the component is placed ... | 08/30/2005 |
| 6905061 | Method of making a golf club head A method of making a titanium golf club head includes steps. One adopts Ti-4-6 Titanium alloy as SPDF material under isothermal forging conditions, sets the SPDF temperature at between 870-970 degrees Celsius, while heating the molds and workpieces simultaneously in... | 06/14/2005 |
| 6126061 | Element made of composite material including electrical continuity through the element The subject of the invention is an element made of composite material comprising an organic matrix which is reinforced with mineral or organic fibers, as well as at least one assembly with partial superposition of at least two electrically conductive elon... | 10/03/2000 |
| 6119924 | Electronic device having electric wires and method of producing same An electronic device such as a chip coil including an electric wire firmly connected to electrodes in a highly reliable fashion is constructed to be mounted on a printed circuit board or substrate in a stable and reliable manner. At both ends of a core of... | 09/19/2000 |
| 6105848 | Wire bonding method, wire bonding apparatus and semiconductor device produced by the same A wire bonding method for joining a metal wire with a bonding pad disposed on a semiconductor element by using a load and supersonic wave vibration, comprising: during interval of time from contact of the metal wire with the bonding pad to application of ... | 08/22/2000 |
| 5651494 | Method of ultrasonic welding of different metals A stack of two different metals to be welded, one of which is harder than the other, and an additional soft metal placed on the harder metal is placed between a pair of horn tips (grip members) of an ultrasonic welder. The harder metal is covered with a s... | 07/29/1997 |
| 5447266 | Mounting apparatus for mounting chip component on mounting portion and method for controlling load on chip component A collet for holding a die with a vacuum force is provided with a linear motor. At the time of bonding the die to a lead frame, a control unit controls the linear motor to mount the die, held by the collet, onto the mounting portion of the lead frame. At ... | 09/05/1995 |
| 5255840 | Fluxless solder coating and joining An essentially fluxless soldering process enables a solder coating to be applied to a surface under controlled pressure conditions enabling the volume and shape of the solder to be desirably controlled. Coatings produced by essentially fluxless processes ... | 10/26/1993 |
| 5247563 | High vapor pressure metal for X-ray anode braze joint A method of bonding a metallic target layer and a graphite disk to provide a composite rotating X-ray tube target wherein a high vapor pressure metal is placed between the target layer and the graphite disk and the vapor pressure of the joint is controlle... | 09/21/1993 |
| 5145103 | Partial elimination of copper plate from steel strip by mechanical means A process for producing non-corrosive double-wall tubing in which an unbrazed, unsealed continuous double-wall tube of a given circumference is formed from a metal sheet composed of a first non-ferritic metal having a first defined region of exposed non-f... | 09/08/1992 |
| 5102029 | Microwave integrated circuit package to eliminate alumina substrate cracking and method A MIC package housing that reduces or completely eliminates alumina substrate cracking due to thermal expansion rate differences between the housing and the alumina by using a low-expansion iron-nickel alloy, such as commercially available Carpenter 49, m... | 04/07/1992 |
| 4817858 | Method of manufacturing a workpiece of any given cross-sectional dimensions from an oxide-dispersion-hardened nickel-based superalloy with directional coarse columnar crystals Method of manufacturing a workpiece of any given cross-sectional dimensions from an oxide-dispersion-hardened nickel-based superalloy available in the form of coarse-grained longitudinally directed columnar crystals by connecting previously very finely ma... | 04/04/1989 |
| 4640454 | Method for producing extrusion die for forming a honeycomb structure A method for producing an extrusion die which is employed to extrude a ceramic honeycomb structure for use as a catalyst carrier or support for purifying exhaust gases of an automobile or the like, is disclosed. The method comprises the steps of preparing... | 02/03/1987 |
| 4121748 | Gas pressure welding process In an automatic gas pressure welding system wherein a couple of steel members are butted, the butted section is subjected to heating in a pressed state, to thus cause the steel members to be subjected to pressure welding. The pressing and heating periods ... | 10/24/1978 |
| 3963164 | Method for bonding bodies made of metallic materials A method for bonding bodies made of metallic materials is described herein, which method is characterized in that said metallic bodies are pressure bonded to each other by making use of super-plastic phenomena which are generated by subjecting the bonding... | 06/15/1976 |
| 3938724 | Method of making butt welded tubes A butt welded tube is provided having excellent properties by the steps of forming a skelp onto a round shape, butt welding the edges thereof with butt welding rolls, blowing oxygen or air into the weld zone, so that said zone is brought to a melted condi... | 02/17/1976 |
