Leadless ceramic chip carrier

Details Leadless ceramic chip carrier Leadless ceramic chip carrier

1988-02-09

1989-08-15

LaRoche, Eugene R.

357 80, 357 68, H01L 3902, H01L 2302, H01L 2312, H01L 2944

Patent

active

048579882

ABSTRACT:
A semiconductor chip carrier having a ceramic base with a cavity for carrying a semiconductor chip and a cap for sealing the chip within the cavity. The base has a metallization pattern covering the chip contacts on the base and an outer contact castellated ring providing for the flow of excess solder away from the contact area.

REFERENCES:
patent: 3271507 (1966-09-01), Elliott et al.
patent: 3404214 (1968-10-01), Elliott
patent: 3509430 (1970-04-01), Mroz et al.
patent: 3520054 (1970-07-01), Pensack et al.
patent: 4076955 (1978-02-01), Gates, Jr.
patent: 4445274 (1984-05-01), Suzuki et al.
patent: 4626960 (1986-12-01), Hamano et al.
S. A. Fottler, Transistor Cup-Mount Package, Electric Component Conference 1968.

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