Trimmable inductor structure

Details Trimmable inductor structure Trimmable inductor structure

1995-07-24

1999-12-21

Gellner, Michael L.

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

336223, 336232, H01F 500

Patent

active

060054662

ABSTRACT:
To provide trimmable inductor structure for a multichip module, direct-chip-attach or surface mount assembly in which an inductive element is formed on or near a surface of the assembly, a planar chip of dielectric or ferrite material is mounted over the inductive element, this chip having on its upper surface a trimmable metallization layer, which may for example be patterned in concentric rings or in a spiral.

REFERENCES:
patent: 4494100 (1985-01-01), Stengel et al.
patent: 4905358 (1990-03-01), Einbinder
patent: 5239289 (1993-08-01), Ferraiolo et al.
patent: 5255431 (1993-10-01), Burdick
patent: 5502667 (1996-03-01), Bertin et al.
patent: 5534837 (1996-07-01), Brandt
patent: 5747870 (1998-05-01), Pedder

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