Method of manufacturing automobile AC generator and method of ma

Details Method of manufacturing automobile AC generator and method of ma Method of manufacturing automobile AC generator and method of ma

1998-08-20

2000-11-21

Booth, Richard

Semiconductor device manufacturing: process

Packaging or treatment of packaged semiconductor

Metallic housing or support

310 64, 310 68D, 29829, 29831, H01L 2144, H01L 2150, H05K 300, H02K 1100, H02K 132

Patent

active

061501964

ABSTRACT:
First, a rectifier assembly is assembled from a negative heat sink assembly, a positive heat sink assembly, a circuit board assembly, and a guide. Subsequently, stator coil connecting terminals of the rectifier assembly are chucked by using a grounded chucking jig. Then, under this condition, powder coating charged with a plus polarity is sprayed to this rectifier assembly, and thus the sprayed powder coating is absorbed onto a surface of an exposed metal of the rectifier assembly by the electrostatic force. Thereafter, a heating process operation is carried out to heat/harden this powder coating, so that the insulating film is formed on the surface of the exposed metal of the rectifier assembly.

REFERENCES:
patent: 4668898 (1987-05-01), Harms et al.
patent: 5095235 (1992-03-01), Kitamura
patent: 5258673 (1993-11-01), Gotoh
patent: 5686780 (1997-11-01), Adachi et al.
patent: 5729063 (1998-03-01), Adachi et al.
patent: 5821674 (1998-10-01), Weiner
patent: 5846852 (1998-12-01), Limper-Brenner et al.
patent: 5977669 (1999-11-01), Yoshida et al.

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