Electronically graded multilayer ferroelectric composites

Details Electronically graded multilayer ferroelectric composites Electronically graded multilayer ferroelectric composites

1996-05-13

1997-12-02

Speer, Timothy

Stock material or miscellaneous articles

Composite

Of inorganic material

428701, 428702, B32B 1700

Patent

active

056934297

ABSTRACT:
A laminated ceramic ferroelectric material has adjacent layers of Barium ontium Titanate (BSTO)--oxide composite stacked in order of descending oxide content and sized in thickness to produce a generally equal capacitance across each layer, resulting in a material having a graded dielectric constant for use in phased array antenna, for example. The oxides are from the metallic oxide group consisting of alumina, zirconia and magnesia and the layers are produced by tape casting.

REFERENCES:
patent: 5312790 (1994-05-01), Sengupta

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