Patent ID: 6768052
Filing Date: 2004-07-27
Classification: H05K

Abstract:
A flexible printed circuit for electrically connecting between an optical disc drive and an optical pickup unit comprising an electromagnetic radiation source, said flexible printed circuit comprising:a flexible base layer having a principal surface and a lower surface; a conductive layer formed on the principal surface of said flexible base layer through a first adhesive agent; a cover lay formed on said conductive layer through a second adhesive agent, said cover lay having an upper surface; and foil made of conductive material, disposed only near said electromagnetic radiation source, pasted on at least one of the lower surface of said flexible base layer and the upper surface of said cover lay through a third adhesive agent only on and near said optical pickup unit, said foil being electrically connected to a ground portion of said optical pickup unit, said foil shielding electromagnetic noise radiated from said electromagnetic radiation source.