EXPOSURE HEAD, METHOD FOR MANUFACTURING THE SAME, CARTRIDGE, AND IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To provide an exposing head increased in light quantity.SOLUTION: The exposing head includes a light emitting unit 60; an imaging unit 70 which allows light from the light emitting unit 60 to enter through an incidence surface 70A and exit from an exit surface 70B so as to form...

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Bibliographische Detailangaben
Hauptverfasser: YONEYAMA HIROTO, SATO KATSUHIRO, NISHINO YOHEI, YAMAGUCHI YOSHINORI, MASHITA KIYOKAZU, MATSUMURA TAKASHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an exposing head increased in light quantity.SOLUTION: The exposing head includes a light emitting unit 60; an imaging unit 70 which allows light from the light emitting unit 60 to enter through an incidence surface 70A and exit from an exit surface 70B so as to form an image at a predetermined position; and a transparent substrate provided integrally with the light emission unit 60 while contacting with the imaging unit 70 between the light emitting unit 60 and the imaging unit 70, the transparent substrate having a thickness such that an optical distance between the light emitting unit 60 and the incidence surface 70A of the imaging unit 70 becomes a working distance of the imaging unit 70 (e.g., a mounting substrate 61 on which a light emitting element 60A constituting the light emitting unit is mounted (formed)).