Process of making an LED reflector

Details Process of making an LED reflector Process of making an LED reflector

1995-08-29

1997-09-02

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

B29C 4500

Patent

active

056628579

ABSTRACT:
A LED reflector manufacturing method including the steps of i) preparing an injection molding material by mixing about 70% of polycarbonate+about 10% PBT+about 20% titanium dioxide+about 0.012% carbon powder mixture, which is obtained from one part of carbon powder with 50 parts of talc powder, to result in 100% of the injection molding material; and ii) injection-molding the injection molding material into desired reflectors at about 260.degree. C..+-.15.degree. C.

REFERENCES:
patent: 4617618 (1986-10-01), Baciu et al.
patent: 4699745 (1987-10-01), Fritsch et al.

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