Metal working – Means to assemble or disassemble – Means to disassemble electrical device
Patent
1995-11-06
1998-02-10
Vo, Peter
Metal working
Means to assemble or disassemble
Means to disassemble electrical device
294263, 294265, 228191, 228264, B23P 1904
Patent
active
057155925
ABSTRACT:
A printed wiring board, on which an electronic parts are mounted and fixed by way soldering, is introduced into a heating furnace for heating at a temperature higher than or equal to a melting temperature of a solder. After sufficiently melting of solder, an impact force and/or a shearing force are applied. By this under a reduced connecting force, the electronic parts are removed from a printed wiring board. On the other hand, since the parts can be easily removed from the printed wiring board. Also, the parts and the printed circuit are separated for collecting useful substance and can improve resistance to enhance recycling efficiency.
REFERENCES:
patent: 3731866 (1973-05-01), Mason et al.
patent: 5174016 (1992-12-01), Todd
patent: 5375318 (1994-12-01), Catalano
patent: 5423931 (1995-06-01), Inoue et al.
"Surface-Mounted Component Desoldering Tool" IBM Technical Disclosure Bulletin vol. 28, No. 9, Feb. 1986.
Iji Masatoshi
Ikuta Yuji
Mori Eiichi
Yokoyama Sadahiko
NEC Corporation
Vo Peter
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