发明名称 SEMICONDUCTOR LASER WITH SURGE PROTECTION AND OPTICAL PICKUP
摘要 PROBLEM TO BE SOLVED: To provide a semiconductor laser with surge protection, which has a structure wherein absorption can be performed with a capacitor for protection surely when surge is generated without complicated work in assembly, and an optical pickup using the semiconductor laser. SOLUTION: A plurality of leads 11-13 are fixed so as to be electrically insulated respectively and stretched vertically, and a stem 1 is formed. A laser chip 2 is arranged on one side of the stem 1. At least one out of an anode and a cathode of the laser chip 2 is electrically connected with the two leads 11, 12 via a wire 8, and the periphery of the laser chip 2 is covered with a cap 4. A chip capacitor 3 is bonded directly by using conductive agent without interposing a wire to a part between the two leads 11, 12 on the other side (a side which is not covered with the cap 4 and exposed) of the stem 1 with which the anode and the cathode of the laser chip 2 are connected.
申请公布号 JP2001257411(A) 申请公布日期 2001.09.21
申请号 JP20000069244 申请日期 2000.03.13
申请人 ROHM CO LTD 发明人 NAKADA NAOTARO
分类号 G11B7/125;H01S5/022;H01S5/042;H01S5/068 主分类号 G11B7/125
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