| 摘要 |
<P>PROBLEM TO BE SOLVED: To quickly, easily and surely perform short circuit work with an inexpensive structure. <P>SOLUTION: A circuit board 11 connected to a pickup body 9 and a semiconductor laser is fixedly attached to the back surface 8a of a base 8, a screw hole 25 is formed in the back surface 8a of the base, penetrating the circuit board 11, a plurality of short circuit terminals 20 are arranged centering the screw hole 25 in an arc shape at prescribed intervals in a circumferential direction, and a screw 26 is screwing into the screw hole 25 to thereby bring the head part 26a of the screw 26 into contact with the plurality of short circuit terminals 20. <P>COPYRIGHT: (C)2007,JPO&INPIT |
