Patent ID: 7029752
Filing Date: 2006-04-18
Classification: A61J,B29K,B65D,C23C,Y10T

Abstract:
1. A plastic container for liquid medicine having a DLC (Diamond Like Carbon) film formed on the inner surfaces thereof, wherein the water vapor permeability is 0˜0.006 g/container/day, and the oxygen permeability is 0˜0.01 ml/container/day when liquid medicine is sealed in said plastic container by appropriately changing the three conditions of composition, density and film thickness of said DLC film so that the hydrogen atomic % of said DLC film is greater than or equal to 10 atomic % and less than 50 atomic %, the density of said DLC film is greater than 1.3 g/cm 3 and less than or equal to 1.6 g/cm 3 , and the film thickness of said DLC film lies within the range of 180˜350Å.