Printed circuit board apparatus

Details Printed circuit board apparatus Printed circuit board apparatus

1991-05-29

1994-01-25

Picard, Leo P.

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

174263, 174266, 439 84, H05K 100

Patent

active

052817709

ABSTRACT:
A printed circuit board apparatus comprises a printed circuit board. The printed circuit board includes a first and a second surface and a hole portion. A printed pattern is formed on the first surface, and a parts having a lead is mounted on the second surface. The printed circuit board apparatus also includes an eyelet and plural solder entering portions. The eyelet includes a curling portion and a head portion positioned on the first and second surfaces of the printed circuit board, respectively, and a cylindrical portion, connecting the head and curling portion, inserted into the hole of the printed circuit board. A plurality of solder entering portions are formed at equal intervals on the curling portion. From the solder entering portions, solder enters into space between the curling portion and the first surface face of the printed pattern surrounding the hole of the printed circuit board and the eyelet.

REFERENCES:
patent: 2915678 (1959-12-01), Frazier et al.
patent: 3103547 (1960-11-01), Ansley
patent: 3190953 (1961-06-01), Keller
patent: 3504328 (1970-03-01), Olsson
patent: 3654583 (1972-04-01), Mancini
patent: 4881906 (1989-11-01), MacKanic
patent: 5010448 (1991-04-01), Kobari

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