Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1981-07-21
1984-03-27
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
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
Dougherty William E.
Feinberg Irving
Humenik James N.
Platt Alan
Griffin Donald A.
IBM Corporation
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