Monolithic integrated multiple electronic components internally

Details Monolithic integrated multiple electronic components internally Monolithic integrated multiple electronic components internally

1998-04-14

2000-01-04

Kincaid, Kristine

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361328, 361329, H01G 438

Patent

active

060116846

ABSTRACT:
Variable width electrically conductive (i) traces and (ii) pads in the forms of castellations and connecting traces upon the surfaces of volume microminiature electronic components permit variable area electrical interconnection in three dimensions, particularly of monolithic, buried-substrate, multiple ceramic capacitors to integrated circuit receivers and amplifiers to make microminiature hearing aids insertable within the ear canal. A preferred embodiment monolithic multiple capacitor with side, top and bottom surfaces has a number of electrically conductive parallel layers disposed within its body with a conductive trace extending from each layer to be exposed upon a side surface. Metallized bus strips of at least two widths extend along the side surface; relatively thinner bus strips selectively interconnecting the exposed traces to form a plurality of capacitors while the relatively thicker bus strips selectively extend at least some traces to one or more edge(s) of the top and/or bottom surfaces of the body where they may be externally connected, normally to piggy-backed components, by reflow soldering. The different-width metallized bus strips are preferably made by rectangular saw-cut slots in the body at differently spaced intervals, the rectangular saw-cuts forming castellations having a greater depth than width to reduce parasitic capacitance.

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