109 超音波複合振動溶接装置を用いた被覆銅線の直接接合について : 複合振動を用いた超音波溶接について

概要

論文の詳細を見る
Welding characteristic of thin coated copper wires were studied suing 40kHz, 60kHzand 100kHz ultrasonic complex vibration welding equipments with elliptical to circular vibration locus. Insulated thin wires with various plastic coatings are used for various applications in electronics and furthermore in microelectronics. The complex vibration systems consisted of a longitudinal-torsional vibration converter which has a diagonal slitted part and found welding tips at the free edge, stepped horn (vibration velocity transform ratio : 4) with a supporting flange and a bolt-clamped Langevin type PZT longitudinal transducer (diameter : 30mm) for driving the complex vibration converter. Polyurethane coated copper wires of 0.036mm outer diameter and copper plates of 0.3mm thickness were used as welding specimens. Required vibration amplitudes of 40kHz, 60kHz and 100kHz welding equipments are over 4μm, 2μm and 1μm (peak-to-zero value). The copper wire part is completely welded on the copper substrate and the insulated coating material is driven from welded area to outsides of the wire specimens by high frequency complex vibration. Weld strengths obtained were almost equal to the copper wire.
2003-06-04