| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hologram laser unit wherein package air tightness is high, no laser degradation occurs, and reliability is ensured, and to provide an optical pickup using the same. <P>SOLUTION: In the hologram laser unit, when shielding, from an outside air, a light source for emitting an optical beam and a light receiving element having a plurality of light receiving parts for receiving a light emitted from the light source to form an image on the information recording surface of an optical recording medium, reflected on an optical disk and passing through at least one lens are mounted on an air tight package, the components are bonded with metal adhesives containing no resin adhesive. <P>COPYRIGHT: (C)2010,JPO&INPIT |
