Multi-layer integrated RF/IF circuit board

Details Multi-layer integrated RF/IF circuit board Multi-layer integrated RF/IF circuit board

2007-03-27

2007-03-27

Rechard, Dean A. (Department: 2841)

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

C174S262000, C361S792000

Reexamination Certificate

active

10894563

ABSTRACT:
A multi-layered integrated RF/IF circuit board is provided. The board is fabricated beginning with a center layer of material. In a first preferred embodiment, the center layer is a rigid core material. In a second preferred embodiment, the center layer is a pliable non-conductive material. For every layer added to the upper surface of the stack-up structure of the board, a corresponding layer of the same material is added to the lower surface of the stack-up structure. Thus, during the lamination process, both the upper and lower surfaces are primarily soft, pliable non-conductive material. These non-conductive layers absorb any stresses introduced during the lamination process. Thus, when cooled, the board has large area flatness. Standard manufacturing processes can be used for each individual step in the fabrication of the board. Therefore, a multi-layered integrated RF/IF circuit board in accordance with the present invention can be fabricated inexpensively.

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patent: 2004/0150969 (2004-08-01), Chan et al.
patent: 2006/0104042 (2006-05-01), Hsu

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