| 摘要 |
PROBLEM TO BE SOLVED: To obtain an image of high quality by aligning a light source and a lens installed according to the light source at high precision. SOLUTION: An LED printing head (LPH) exposing a photoreceptor drum is provided with liquid repellent films 64T with lower wettability for liquid material composing condenser lenses 64 by being hardened than wettability for a substrate around the condenser lenses 64 provided for each LED on the substrate to which a plurality of LEDs are installed. COPYRIGHT: (C)2009,JPO&INPIT
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