Patent ID: 7790786
Filing Date: 2010-09-07
Classification: C08G,C08K,G02B,G11B,Y10T

Abstract:
1. A wholly aromatic liquid crystal polyester resin composition injection molded to form an optical pickup lens holder, the optical pickup lens holder having a specific gravity in a range of 1.00 to 1.35, and having a part and an opening portion holding a lens, said part having a thickness of 0.3 mm or less, the composition comprising (a) 97 to 45 percent by mass of a wholly aromatic liquid crystal polyester having a melting point of 320° C. or higher and an apparent viscosity at 20° C. above the melting point of 5,000 poise or less, (b) 3 to 50 percent by mass of an inorganic spherical hollow material having an aspect ratio of 2 or less, and (c) 0 percent by mass of an inorganic filler having an aspect ratio of 4 or more.