Thin film discrete decoupling capacitor

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor

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Details

29 2542, H01G 410, H01G 114

Patent

active

044398131

ABSTRACT:
A decoupling capacitor for mounting on an integrated circuit multi-layer ceramic. A bottom layer electrode, is evaporated or sputtered onto a carrier. A high dielectric layer is deposited followed by the upper metallurgy and a top isolating layer. Via holes are etched to respective electrode layers, BLM deposited thereon followed by solder balls. The electrode is mounted onto the substrate, solder balls face down in contact with a compatible footprint.

REFERENCES:
patent: 3021589 (1962-02-01), Weller
patent: 3278815 (1966-10-01), Booe
patent: 3292240 (1966-12-01), McNutt
patent: 3303393 (1967-02-01), Hymes
patent: 3638085 (1972-01-01), Tierman
patent: 3897074 (1974-12-01), Heywang
patent: 4071878 (1978-01-01), Stynes
patent: 4104697 (1978-08-01), Kendall

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