Packaging container for electronic part

Details Packaging container for electronic part Packaging container for electronic part

2006-03-21

2006-03-21

Miggins, Michael C. (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S347000, C428S412000

Reexamination Certificate

active

07014896

ABSTRACT:
An electronic component packaging container which comprises a multilayer polyester sheet having a base layer comprising a polyethylene terephthalate type resin and a polycarbonate type resin and a surface layer comprising a polycarbonate type resin, formed on at least one side of the base layer, wherein the base layer contains from 70 to 97 wt % of the polyethylene terephthalate type resin and from 3 to 30 wt % of the polycarbonate type resin based on the total amount of the polyethylene terephthalate type resin and the polycarbonate type resin, and the thickness of the surface layer is from 10 to 30% of the total thickness.

REFERENCES:
patent: 5208103 (1993-05-01), Miyamoto et al.
patent: 5857572 (1999-01-01), Bird et al.
patent: 0 909 641 (1999-04-01), None
patent: 05294376 (1993-11-01), None
patent: 11-77938 (1999-03-01), None
patent: KOKAI 11-77938 (1999-03-01), None
patent: 11-147569 (1999-06-01), None
patent: 2000-7021 (2000-01-01), None
U.S. Appl. No. 10/030,103, filed Jan. 17, 2002, Miyakawa et al.
U.S. Appl. No. 10/495,656, filed May 17, 2004, Miyakawa et al.

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