Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements
Reexamination Certificate
2011-08-16
2011-08-16
Martinez, Joseph (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By surface composed of lenticular elements
Reexamination Certificate
active
08000016
ABSTRACT:
A deflecting mirror which deflects a laser beam emitted from a laser oscillator, a transfer lens, a cylindrical lens array which divides the laser beam having passed through the transfer lens into a plurality of laser beams, and a condensing lens which superposes the laser beams formed in the cylindrical lens array are included. The following formula is satisfied: 1/f=1/(a+b)+1/c, when: “a” is a distance between an emission opening of the laser oscillator and the deflecting mirror; “b” is a distance between the deflecting mirror and the transfer lens; “c” is a distance between the transfer lens and an incidence plane of the cylindrical lens array; and “f” is a focal length of the transfer lens.
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International Search Report (Application No. PCT/JP2006/320986; PCT9121), dated Jan. 16, 2007.
Written Opinion (Application No. PCT/JP2006/320986; PCT9121), dated Jan. 16, 2007.
Oishi Hirotada
Tanaka Koichiro
Costellia Jeffrey L.
Martinez Joseph
Nixon & Peabody LLP
Semiconductor Energy Laboratory Co,. Ltd.
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