Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1994-02-08
1995-10-17
Tolin, Gerald P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
174252, 257713, 361719, H05K 720
Patent
active
054596394
ABSTRACT:
A printed circuit board assembly wherein a plurality of electronic parts including a heat generating part are mounted on a printed circuit board. At a portion of the printed circuit board at which the heat generating part is to be mounted, a recess is formed and a through-hole is formed substantially at the center of a bottom wall of the recess. A heat radiation member has a projection fitted in the through-hole of the printed circuit board, and a mounting portion provided around the projection for contacting with the bottom wall of the recess of the printed circuit board and securely mounted on the bottom face of the recess by means of solder. The rear face of a package of the heat generating part is securely mounted on the heat radiation member by means of solder.
REFERENCES:
patent: 4630172 (1986-12-01), Stenerson
patent: 4890152 (1989-12-01), Hirata
patent: 4922376 (1990-05-01), Pommer
patent: 4931908 (1990-06-01), Boucard
patent: 5012386 (1991-04-01), McShane
patent: 5014114 (1991-05-01), Heckaman
patent: 5173844 (1992-12-01), Adachi
patent: 5297006 (1994-03-01), Mizukoshi
Fujitsu Limited
Tolin Gerald P.
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