Recessed chip capacitor wells with cleaning channels on integrat

Details Recessed chip capacitor wells with cleaning channels on integrat Recessed chip capacitor wells with cleaning channels on integrat

1991-08-22

1993-05-11

Picard, Leo P.

Electricity: electrical systems and devices

Miscellaneous

361307, 361310, 361401, 361421, H05K 114

Patent

active

052106837

ABSTRACT:
Wells are formed in an external surface of a semiconductor device package body. Capacitors are disposed within the wells at least partially, and preferably fully within the body. Cleaning channels are formed underneath the capacitors, for removing residual flux and/or solder.

REFERENCES:
patent: 4120020 (1978-10-01), Uden et al.
patent: 4705917 (1987-11-01), Gates, Jr. et al.
patent: 4965702 (1990-10-01), Lott et al.
patent: 4972253 (1990-11-01), Palino et al.
patent: 5031069 (1991-07-01), Anderson
patent: 5048166 (1991-09-01), Wakamatsu

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