Coplanar corrector ring

Details Coplanar corrector ring Coplanar corrector ring

1991-10-13

1994-05-31

Picard, Leo P.

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

257678, 361728, H01L 2302

Patent

active

053171063

ABSTRACT:
A corrector ring maintains the coplanarity of the tips of the leads of a quad flat pack QFP package during shipping and handling. A first snap-fit or adhesively-fixed ring member has an inner peripheral surface which engages the lower walls of the QFP package. The ring member also has an outer peripheral surface which engages the inner surfaces of the resilient leads of the QFP package. A second snap-fit adhesively-fixed ring member is held in place over the outer surfaces of the leads.

REFERENCES:
patent: 5022869 (1991-06-01), Walker
patent: 5026303 (1991-06-01), Matsuoka et al.

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