Method and pellet for encapsulating lead frames

Details Method and pellet for encapsulating lead frames Method and pellet for encapsulating lead frames

1996-06-21

1998-12-01

Ortiz, Angela

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

26427214, 2643284, 2643285, 428 68, B29C 3106, B29C 4502

Patent

active

058433600

ABSTRACT:
A method and pellet for encapsulating lead frames. Prior to applying pressure to a pellet, a plastic foil is placed between the pellet and a plunger. The pellet has a body of encapsulating material (e.g. epoxy) and a plastic layer connected thereto. A device is described for manufacturing such a pellet.

REFERENCES:
patent: 2338607 (1944-01-01), Wacker
patent: 4511317 (1985-04-01), Bandoh
patent: 5043199 (1991-08-01), Kubota et al.
patent: 5061542 (1991-10-01), Brace
patent: 5098626 (1992-03-01), Pas
patent: 5431854 (1995-07-01), Pas
patent: 5496509 (1996-03-01), Yamamoto et al.
Patent Abstracts of Japan, vol. 016, No. 275 (E-1219) Jun. 19, 1992 & JP,A,04 067 639 (NEC KYUSHU LTD) Mar. 3, 1992.

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