Patent application number | Description | Published |
20080302484 | METHOD AND APPARATUS FOR LASER WELDING THERMOPLASTIC RESIN MEMBERS - A method and apparatus for welding members formed of thermoplastic resin material, with high welding strength and small strength variations. A laser welding apparatus | 12-11-2008 |
20100089607 | SEMICONDUCTOR POWER CONVERSION APPARATUS AND METHOD OF MANUFACTURING THE SAME - A bus bar has a lead portion and a bus bar portion which are integrally shaped. The lead portion is provided in such a shape that branches from the bus bar portion. A part of the lead portion forms a connection part directly electrically connected with a transistor electrode and a diode electrode by a connecting material such as solder. The thickness of the lead portion including the connection part is made smaller than the thickness of the bus bar portion. Accordingly, such an interconnection structure can be provided in which the electrode of the semiconductor device and the bus bar are electrically directly connected with each other and thermal stress at the connection part therebetween can be relieved. | 04-15-2010 |
20100170662 | CONDENSER FOR POWER MODULE AND POWER MODULE - A condenser for a power module combines a plurality of aluminum materials to form a casing equipped with a channel for coolant therein, thus making it possible to keep material costs low. Moreover, thanks to the excellent workability of the aluminum materials, it is possible to adopt a configuration with a complex concave-convex configuration for a superior heat radiation performance. A channel for coolant with high heat radiation performance can also be structured inside the casing. The relatively thick bottom plate secures the rigidity required by the casing, while the relatively thin top plate can have a rigidity intentionally structured lower. In this manner, stress generated on joining surfaces of the condenser and an insulative substrate can be mitigated due to active deformation of the top plate. | 07-08-2010 |
20100307676 | METHOD AND APPARATUS FOR LASER WELDING THERMOPLASTIC RESIN MEMBERS - A method and apparatus for laser welding two members made of thermoplastic resin material whereby high welding strength can be achieved and strength variations can be reduced. A first member | 12-09-2010 |
20120107628 | Three-Metallic-Component Type Composite Nanometallic Paste, Method Of Bonding, And Electronic Component - Provided is a composite nanometal paste which, when a layer of the paste interposed between upper and lower bodies is sintered in an inert gas under no load until the layer turns to a metal layer, attains a shear bond strength between the upper and lower bodies of 10 MPa or higher. | 05-03-2012 |
20140076262 | CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE - A cylinder head ( | 03-20-2014 |
20150158119 | WELDING METHOD, WELDING DEVICE, AND METHOD FOR MANUFACTURING BATTERY - Disclosed is a technique for quickly detecting a defect of a portion welded by laser beam welding. Specifically disclosed is a welding step in which a welding device is used, the welding device welding an object to be welded with a pulsed laser. In the welding step, a first photodetector receives only infrared rays having a wavelength allowing detection of a keyhole formed in a molten pool from among infrared rays radiating from a welded portion during the welding of the object, and an analyzer determines quality of the welded portion on the basis of intensity of the infrared rays received by the first photodetector. | 06-11-2015 |
20150183058 | WELDING DEVICE, WELDING METHOD, AND METHOD FOR PRODUCING BATTERY (AS AMENDED) - Disclosed is a technique on laser welding capable of achieving a desired penetration depth without an oxide film remaining in a deep portion of a molten pool. In a welding device ( | 07-02-2015 |