Printed circuit board vibration stiffener

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor

Patent

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Details

361414, 174255, H05K 114

Patent

active

051364700

ABSTRACT:
A stiffener in the form of a metal-cored stiffener plate is temporarily secured to the underside of a printed circuit (PC) board having a series of integrated circuit (IC) chips and other electronic components and metallization interconnect traces on the upper or top surface of the board. Securing of the stiffening plate and PC board is provided by segments of a hook/mushrooms-containing flexible tape adhered to the PC board underside by suitable adhesive. A complementary sheet of a hooks-containing flexible material is adhered to the stiffening plate such that upon pressing of the complementary material and segments together the respective hooks and loops interlock binding the PC board assembly and stiffening plate assembly together. The securement can be easily undone by grasping and levering the edge of the stiffening plate from the PC board and breaking the interlock of the hooks and loops. The hooks and loops may be reversed on the stiffener plate and on the solder-side of the PC board. They may be the well-known complementary Velcro.RTM. materials.

REFERENCES:
patent: 3259805 (1966-07-01), Osipchak et al.
patent: 3302067 (1967-01-01), Jackson et al.
patent: 4429348 (1984-01-01), Dean
patent: 4439815 (1984-03-01), Close et al.
patent: 4758928 (1988-07-01), Wierec et al.

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