发明名称 LIGHT BEAM SCANNER
摘要 PROBLEM TO BE SOLVED: To linearly scan at a high speed, to miniaturize apparatus and to give a high resolution. SOLUTION: A vertical cavity face emitting type semiconductor laser 101 which emits a red laser light beam 103 having a wavelength of 633 nm is provided, a collimate lens 104 which transforms the laser light beam 103 into a parallel light beam 105 is provided, a rotationally driving unit 110 which rotationally drives a rotation axis 102 is provided, transparent disk 106 is mounted on the rotation axis 102, the thickness of the transparent disk 106 is continuously increased from the center to the outer edge on an arbitrary section intersecting the rotation center, and continuously increased (decreased) on an arbitrary concentric circle having the center on the rotation axis. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005241941(A) 申请公布日期 2005.09.08
申请号 JP20040051301 申请日期 2004.02.26
申请人 NIPPON TELEGR & TELEPH CORP <NTT> 发明人 ISHII YUZO;USUI MITSUO;MAEDA NORIHIKO;HASHIMOTO ETSU;HAYASHI TAKESHI;JIN YOSHITO;KATO JUNICHI
分类号 B41J2/44;G02B26/10;(IPC1-7):G02B26/10 主分类号 B41J2/44
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