High frequency induction heater built in an injection mold

Details High frequency induction heater built in an injection mold High frequency induction heater built in an injection mold

2006-11-07

2006-11-07

Leung, Philip H. (Department: 3742)

Electric heating

Inductive heating

Specific heating application

C219S667000, C219S647000, C219S659000, C425S17480R, C216S052000

Reexamination Certificate

active

07132632

ABSTRACT:
A high frequency induction heater built in an injection mold. The high frequency induction heater has a metal or silicon mold-insert, at least a heating module and at least a thermometer detector. The elements are reasonably fit with the mold-insert utilizing well-defined MEMS technology and UV-LIGA process. The high frequency induction heater is employed to apply a local heat for a microstructure of mold-insert during the micro molding process. By using the high frequency induction heater a fluid mold flow and high aspect ratio replication is achieved.

REFERENCES:
patent: 4726751 (1988-02-01), Shibata et al.
patent: 6164952 (2000-12-01), Asai
patent: 6290882 (2001-09-01), Maus et al.
patent: 2002-18356 (2000-08-01), None

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