High dielectric constant flexible sheet material

Details High dielectric constant flexible sheet material High dielectric constant flexible sheet material

1988-08-01

1990-03-13

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428209, 428210, 428432, 428433, 428457, 428325, 428469, 428689, 428697, 428901, 174254, 361397, 361398, B32B 2714

Patent

active

049082582

ABSTRACT:
A high capacitance flexible dielectric sheet material is comprised of a monolayer of multilayer or single layer high dielectric (for example ceramic) chips or pellets of relatively small area and thickness which are arranged in a planar array. These high dielectric constant chips are spaced apart by a small distance. The spaces between the chips are then filled with a flexible polymer/adhesive to define a cohesive sheet with the polymer binding the array of high dielectric (for example ceramic) chips together. Next, the opposite planar surfaces of the array (including the polymer) are electroless plated or electroded by vacuum metal deposition, or sputtering, to define opposed metallized surfaces. The end result is a relatively flexible high capacitance dielectric film or sheet material which is drillable, platable, printable, etchable, laminable and reliable.

REFERENCES:
patent: 3551197 (1970-12-01), Lindquist, Jr.
patent: 3846222 (1974-11-01), Dietz
patent: 3991029 (1976-11-01), Adelman
patent: 3998917 (1976-12-01), Adelman
patent: 4641221 (1987-02-01), Khoury et al.
patent: 4752857 (1988-06-01), Khoury et al.
patent: 4781969 (1988-11-01), Kobayashi et al.
patent: 4799996 (1989-01-01), Cassat

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