| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin molded part for a signal readout device, having light weight, capable of realizing improvement of vibration damping characteristics and frequency increase in resonance frequencies, and excellent in heat dissipation. <P>SOLUTION: This resin molded part for the signal readout device is formed out of 55-75 wt% of a liquid crystalline polymer (A), 20-10 wt% of inorganic spherical hollow bodies (B1), and 25-15 wt% of a fibrous inorganic filler (B2) and has a specific gravity (d) of ≤1.4, a coefficient of thermal conductivity (λ) of ≥0.5 W/m×K, and a modulus in flexure of ≥10 GPa, wherein the liquid crystalline polymer (A) is composed of structural units expressed by general formula (I) (Ar<SB>1</SB>is 2,6-naphthalene), general formula (II) (Ar<SB>2</SB>is selected from 1,2-phenylene, 1,3-phenylene and 1,4-phenylene), general formula (III) (Ar<SB>3</SB>is selected from 1,3-phenylene, 1,4-phenylene and p,p'-polyphenylene), and general formula (IV) (Ar<SB>4</SB>is 1,4-phenylene). <P>COPYRIGHT: (C)2006,JPO&NCIPI |
