Terminal electrode films for lamination capacitor and method for

Details Terminal electrode films for lamination capacitor and method for Terminal electrode films for lamination capacitor and method for

1991-12-04

1992-11-10

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

29 2542, 361321, H01G 700, H01G 114, H01G 430

Patent

active

051629739

ABSTRACT:
First and second pluralities of interleaved electrodes 12, 13 are disposed in a ceramic main body part, with ends of the first plurality of electrodes 12 exposed at a first side 11a of the main body part 11, and ends of the second plurality of electrodes 13 exposed at a second side 11b of the main body part 11. A plurality of the main body parts 11 are placed in a jig 15 with only their first sides 11a exposed. The remaining sides are shielded by the jig, and by contact with adjacent main body parts. A metal 14a having good adhesion to ceramic such as chromium is coated on the first sides 11a. Because of the packing of the main body parts in the jig, only first sides 11a are coated--the remaining sides remain free of the coating material. The above coating step is followed by coating with two further layers, a soldering-heat-resistant metallic layer 14b, and a solder-receptive metallic layer 14c. The main body parts are reversed in the jig 15 to expose the second sides 11b, while shielding all other sides. The three coating steps are repeated.

REFERENCES:
patent: 4458294 (1984-07-01), Womack
patent: 4555746 (1985-11-01), Mochizuki et al.
patent: 4811162 (1989-03-01), Maher et al.
patent: 4881308 (1989-11-01), McLaughlin et al.
patent: 4982485 (1991-01-01), Nakaya et al.
patent: 5021921 (1991-06-01), Sano et al.

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