| Patents for B23K 20 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating (16,765) |
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| 05/22/1990 | US4927070 Method for making multi-colored composite laminates |
| 05/16/1990 | EP0368642A2 Method of forming a joint between a Ti-Al alloy member and a steel structural member |
| 05/16/1990 | EP0368533A2 Quality control for wire bonding |
| 05/16/1990 | CN1007966B Making process of high speed steel compound template cutters |
| 05/15/1990 | US4925085 Bonding means and method |
| 05/15/1990 | US4925084 Using high strength cladding plate |
| 05/15/1990 | US4925083 Ball bonding method and apparatus for performing the method |
| 05/15/1990 | CA1268916A1 Method of producing an injection moulding tool |
| 05/10/1990 | DE3837458A1 Method for producing a fuse link by bonding, as well as a fuse link |
| 05/09/1990 | EP0367705A2 Laser assisted ultrasonic bonding |
| 05/09/1990 | EP0367081A2 Outer lead bonding device |
| 05/09/1990 | EP0366880A2 Alignment device |
| 05/09/1990 | CN1041900A Special metal pipe impact extrusion-thermal diffusion welding technology |
| 05/08/1990 | US4923100 Process for producing clad sheets |
| 05/08/1990 | US4922605 Device for lining a peripheral tube of a steam generator |
| 05/02/1990 | EP0365919A2 Method of bonding gold or gold alloy wire to solder |
| 05/02/1990 | EP0365807A1 Bonding of metallic surfaces |
| 05/01/1990 | CA1268304A1 Process for manufacturing twin layer bottoms with filling of the hollow space |
| 04/25/1990 | EP0365253A1 Ceramic-metal joined composite bodies |
| 04/25/1990 | EP0221944B1 Friction welding |
| 04/24/1990 | US4919323 Diffusion bonding nickel base alloys |
| 04/24/1990 | US4919291 Layer of gold plating diffused into surface of copper substrate; self-welding |
| 04/18/1990 | CN1041306A 摩擦焊 Friction Welding |
| 04/17/1990 | US4918281 Method of manufacturing lightweight thermo-barrier material |
| 04/17/1990 | US4918277 Heated tool with non-flat heating surface for avoiding solder-bridging |
| 04/17/1990 | US4917969 Corrosion resistance |
| 04/17/1990 | US4917286 Bonding method for bumpless beam lead tape |
| 04/12/1990 | DE3906582C1 Friction welding process |
| 04/11/1990 | EP0221943B1 Friction welding apparatus |
| 04/05/1990 | WO1990003662A1 Hybrid microchip bonding article |
| 04/05/1990 | WO1990003245A1 Friction welding |
| 04/05/1990 | WO1990003244A1 Method and apparatus for continuous in-line annealing of amorphous strip |
| 04/04/1990 | EP0361985A1 Hybrid microchip bonding article |
| 04/04/1990 | EP0361678A1 A method of bonding a tool material to a holder and tools made by the method |
| 04/03/1990 | US4913763 Die bonding apparatus |
| 04/03/1990 | US4913336 Method of tape bonding |
| 03/28/1990 | EP0360512A1 Friction welding |
| 03/27/1990 | US4911991 Corrosion resistant coating of zinc and nickel alloy |
| 03/27/1990 | US4911350 Semiconductor bonding means having an improved capillary and method of using the same |
| 03/22/1990 | WO1990002479A2 Dual-alloy disk system |
| 03/20/1990 | US4910383 Heated tool with differently sized and shaped heating areas |
| 03/20/1990 | US4910094 Heating, diffusion, exposure |
| 03/20/1990 | US4909431 Method and apparatus for preparing a bonding wire |
| 03/20/1990 | US4909427 Bonding wire ball formation |
| 03/20/1990 | CA1266890A1 Induction heating pressure welding with rotary bus bar joint |
| 03/14/1990 | EP0358523A1 Domed structures and a method of making them by superplastic forming and diffusion bonding |
| 03/13/1990 | US4908256 Ceramic member with projections, metallic member with recesses or holes which fit together, circumferential groove in outer edge of metal member |
| 03/13/1990 | US4907985 Safety twist lock connector for an extension power cord |
| 03/13/1990 | US4907736 Method of forming articles |
| 03/13/1990 | US4907734 Method of bonding gold or gold alloy wire to lead tin solder |
| 03/08/1990 | WO1990002015A1 Forming hard facings on materials |
| 03/06/1990 | US4906306 Amorphous metal-metal composite article, a method for producing the same, and a torque sensor using the same |
| 03/06/1990 | US4906305 Method of making a composite drawn article |
| 03/06/1990 | US4905886 Method for diffusion bonding of metals and alloys using thermal spray deposition |
| 03/06/1990 | US4905883 Friction welding apparatus |
| 02/28/1990 | EP0356142A2 Structural box beams |
| 02/28/1990 | EP0355867A1 Friction welding apparatus |
| 02/28/1990 | EP0355580A1 Method of manufacturing a spacer for the profiled pipes of the matrix of a heat exchanger |
| 02/28/1990 | EP0355360A1 Method for manufacturing tappets for reciprocating-piston engines |
| 02/27/1990 | US4903887 Inertia weld improvements through the use of staggered wall geometry |
| 02/27/1990 | US4903886 Method and apparatus for fastening semiconductor components to substrates |
| 02/27/1990 | US4903883 Apparatus for ultrasonic contacting wire connection of circuits to electronic components |
| 02/27/1990 | CA1266156A1 Method for producing a clad plate by hot-rolling |
| 02/21/1990 | EP0355046A2 Composite material and method of making |
| 02/21/1990 | CN1039752A Apparatus for forming plastics coated tube |
| 02/20/1990 | US4902539 Fuel mixture of at least two combustible gases selected from saturated and unsaturated hydrocarbons |
| 02/20/1990 | US4901906 Method for forming composite metal articles |
| 02/20/1990 | US4901905 Charging system in the explosion welding of planar or curved workpieces |
| 02/13/1990 | US4900599 Filament reinforced article |
| 02/13/1990 | US4899923 High pressure bonding process |
| 02/07/1990 | EP0353977A2 Apparatus for forming plastics coated tube |
| 02/07/1990 | EP0246239B1 Friction welding apparatus |
| 02/07/1990 | EP0119996B1 Method of repairing leaks in steam generator tubes |
| 02/06/1990 | CA1265362A1 High frequency resonator for welding material |
| 02/01/1990 | DE3825373A1 Device and method for controlled supply of a bonding wire to the wedge or to the capillary of a bonding head |
| 01/31/1990 | EP0353022A1 A process for producing a clad plate |
| 01/30/1990 | US4896818 Method of fabricating light-weight sections |
| 01/30/1990 | US4896813 Sputter etching to remove surface oxides, then joining by pressing sufficiently to reduce thickness of softer metal |
| 01/23/1990 | CA1264508A1 Liquid phase bonded amorphous materials and process for preparation thereof |
| 01/16/1990 | US4893743 Method to produce superplastically formed titanium aluminide components |
| 01/16/1990 | US4893742 Ultrasonic laser soldering |
| 01/10/1990 | EP0350329A1 Process for producing composite metallic structures |
| 01/10/1990 | EP0350220A2 Diffusion bonding of aluminium and aluminium alloys |
| 01/10/1990 | CN1038608A Welding method of copper-aluminium connecting tube |
| 01/04/1990 | DE3822329A1 Method of manufacturing a drive shaft for a hydrostatic machine, and such a drive shaft |
| 01/03/1990 | EP0349095A2 Method of making a metal wire for use in integrated circuits. |
| 01/03/1990 | EP0349065A1 Method of bonding two bodies |
| 01/02/1990 | US4891333 Semiconductor device and manufacturing method thereof |
| 01/02/1990 | US4890784 Using aluminum alloy interface |
| 12/27/1989 | EP0348018A2 Resin encapsulated semiconductor device and method of manufacture thereof |
| 12/26/1989 | US4889276 Method and apparatus for forming and bonding metal assemblies |
| 12/20/1989 | CN1006132B Friction welding apparatus |
| 12/19/1989 | US4887917 Wheel mount and method of connecting the parts of a wheel mount |
| 12/19/1989 | US4887761 Using buffer to prevent welding |
| 12/19/1989 | US4887470 Wire bond force calibration meter |
| 12/13/1989 | CN1037856A Curved superplastic forming / diffusion bonding sandwich fabricated structures |
| 12/12/1989 | US4886200 Capillary tip for bonding a wire |
| 12/07/1989 | DE3915472A1 Antioxidationssystem eines kupferdraht verwendenden wire-bonders Antioxidant system of a copper wire used wire bonders |
| 12/05/1989 | US4884736 Oscillating mechanism |
| 12/05/1989 | US4884334 Resonant stylus support |