Metal working – Electric condenser making – Solid dielectric type
Patent
1988-11-25
1989-08-01
Echols, P. W.
Metal working
Electric condenser making
Solid dielectric type
29414, 361321, H01G 700
Patent
active
048522279
ABSTRACT:
A green-ceramic parent substrate having buried therein a stack of spaced-apart sheet electrodes, each electrode having multiple tab portions extending in one direction to a plane that is orthogonal to the sheet electrodes and to the one direction. A row of holes is drilled between the tabs and through the ceramic in that plane. A plurality of elemental capacitor substrates are cut from the parent substrate, the cutting including dicing through the row of holes so as to leave a castellated edge in each elemental capacitor substrate. The elemental substrates are then fired to maturity and the castellated edge touched to a reservoir of a conductive paste and heated to form spaced apart conductive terminals contacting tabs of the buried electrodes at only the edge castellations.
REFERENCES:
patent: 3192086 (1965-06-01), Gyurk
patent: 3267342 (1966-08-01), Pratt, Jr. et al.
patent: 3328865 (1967-07-01), Sperry
patent: 4216523 (1980-08-01), Harford
patent: 4312026 (1982-01-01), Iwaya et al.
patent: 4419714 (1983-12-01), Locke
patent: 4430690 (1984-02-01), Chance et al.
patent: 4661884 (1987-04-01), Seaman
Echols P. W.
Sprague Electric Company
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