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US 6,635,343 B2Granted
Transparent conductive heat sealing material and carrier tape lid using the same
AssigneeDai Nippon Printing Co., Ltd.
InventorsIsao Inoue, Hiroko Takamori, Masumi Hyakutome, Kazuhito Fujii, Hideki Imamura
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Abstract
The present invention has a main object to provide a transparent conductive heat sealing material of which antistatic property does not deteriorates even at a low humidity, and has a transparency to an extent of permitting visual recognition of the contents and a carrier tape lid using the same. To achieve this object, the transparent conductive heat sealing material of the invention is characterized by a heat-sealable synthetic resin, and conductive fine particle having a 50% particle size of up to 1.0 μm.
Claims19
A carrier tape lid comprising:
- at least a heat sealing layer, wherein said heat sealing layer is formed by a transparent conductive heat sealing material comprising conductive fine particles dispersed in a heat sealable synthetic resin;
- wherein a 50% particle size of said conductive fine particles is up to 1.0 μm;
- an outer layer;
- a cushion layer arranged between said heat sealing layer and outer layer;
- and
- a primer layer arranged between said beat sealing layer and said cushion layer, wherein said primer layer is formed by a resin composition, wherein the resin comprises at least one resin selected from the group consisting of styrene-ethylene-butylene-styrene copolymer and acid-modified styrene-ethylene-butylene-styrene copolymer.
3 more elements
Dependencies are inferred from the claim text.