Fluted signal pin, cap, membrane, and stanchion for a ball grid array
AssigneeLSI Logic Corporation
InventorBarry Caldwell
Life of this patent
Estimating the term…
Abstract
A fluted signal pin provides expanded surface area for high frequency operation which minimizes inductive and capacitive effects. The signal pin may be mounted to a circuit board via a support stanchion or membrane during assembly or repair. The membrane may be permanent or removable by heat, water, and/ or detergent. A pin cap optionally is provided to ensure attachment to an overlying integrated circuit package.
Claims37
A signal transmitting member for an integrated circuit package, comprising:
- a central elongated body;
- and
- at least one flute which extends from the central elongated body.
A support member for holding signal pins between an integrated circuit package and a circuit board or substrate, comprising:
- a main body made of an insulating material;
- and
- holes in the main body for allowing passage of the signal pins.
A circuit structure, comprising, in the following order:
- an integrated circuit package;
- at least one signal pin;
- and
- a circuit board or substrate, the signal pin being supported by a support member or the signal pin being fluted.
A signal transmitting pin between an integrated circuit package and a circuit board substrate, comprising:
- the signal transmitting pin being shaped so as to present an increase in surface area over a purely cylindrical or tapered cylindrical shape so as to minimize inductive and capacitive effects at high frequency operation.
Dependencies are inferred from the claim text.