Sheet material and envelope for packaging electronic parts

Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source

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428200, 428201, 428204, 428207, 428209, 428332, 428336, 428344, 428347, 428349, 428354, 428458, 428463, 428913, 428922, B65D 2718, B32B 310, B32B 1508

Patent

active

044078722

ABSTRACT:
The sheet material for packaging electronic parts consists of a laminated material which comprises a transparent plastic film layer and a thin metal film layer having a light transmittance of at least 25% and an electric resistance of less than 10.sup.8 ohms/cm.sup.2. The sheet material is heat-sealable at the surface of said metal film layer. An envelope for packaging electronic parts is made of the sheet material by heat-sealing in a state of disposing the plastic film layer outside.

REFERENCES:
patent: 4154344 (1979-05-01), Yenni, Jr. et al.
patent: 4156751 (1979-05-01), Yenni, Jr. et al.
patent: 4329395 (1982-05-01), Pickford

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