Method for molding using an ion implanted mold

Details Method for molding using an ion implanted mold Method for molding using an ion implanted mold

1996-07-02

1998-09-01

Ortiz, Angela

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

26427217, 264338, 249135, 425116, 425544, B29C 3356, B29C 4502, B29C 7070

Patent

active

058007474

ABSTRACT:
A mold tool (40) includes a lower platen (10) and an upper platen (18) which have modified surfaces (16) and (20), respectively. The modified surfaces are formed by implanting an implant species (14) at least into areas of the platens which will be in contact with a molding compound resin. By modifying the surface of the molding tool by ion implantation, the need for cleaning the mold tool is reduced due to lower surface friction and wettability of the modified surfaces. These surface characteristics also facilitate easier release of the molded package from the tool. At the same time, wear resistance of the mold tool is improved due to increased surface hardness.

REFERENCES:
patent: 4793792 (1988-12-01), Akino
patent: 5151276 (1992-09-01), Sato et al.
patent: 5266832 (1993-11-01), Yamamoto et al.
G. K. Hubler, "DoD Applications of Implantation-Modified Materials", Elsevier Science Publishing Co., Inc., pp. 341-355 (1982).
F. G. Yost, et al. "Friction and Wear of Stainless Steels Implanted with Ti and C*", Elsevier Science Publishing Co., Inc. pp. 261-269 (1982).

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