Stiffened printed circuit board

Details Stiffened printed circuit board Stiffened printed circuit board

1995-12-26

1998-08-04

Thomas, Laura

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

439 59, 439 62, H05K 100

Patent

active

057903824

ABSTRACT:
A relatively large printed circuit board includes a pair of stiffening members for preventing bending of the board during handling. The stiffening members are disposed along opposite sides of the board and include edge portions abutting against the board side surfaces and forming planar side extensions of the board. The member edge portions adjoin lateral extensions which are off-set from the plane of the edge portions and which lie flat against a substrate major surface and there secured to the substrate. A beam is rigidly secured to the lateral extension of each member by means of spaced apart posts. The beam overlies the lateral extension and functions, in combination with the lateral extension and post, as a lattice-type I-beam.

REFERENCES:
patent: 3567998 (1971-03-01), Ammerman
patent: 4377315 (1983-03-01), Grau
patent: 4857000 (1989-08-01), Van Domelen
patent: 5398154 (1995-03-01), Perkins et al.
patent: 5454725 (1995-10-01), Speiser et al.
patent: 5469332 (1995-11-01), Alvite
patent: 5505628 (1996-04-01), Ramey et al.
patent: 5573408 (1996-11-01), Laub et al.

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