Patent ID: 11923652
Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
Field: Optics (Instruments)
Classification: CPC H | IPC H

Claim 7:
8. A semiconductor package comprising:
the header for the semiconductor package according to claim 4;
a Peltier device arranged on the upper surface of the eyelet;
a third metal block having a third side surface facing the same side as the first side surface and the second side surface, and arranged on the Peltier device; and
a third substrate having a front surface mounted with a light emitting device, and a back surface on an opposite side from the front surface thereof, wherein
the back surface of the third substrate is fixed to the third side surface of the third metal block,
a third portion of the back surface of the third substrate is exposed from the first substrate side of the third metal block,
a fourth portion of the back surface of the third substrate is exposed from the second substrate side of the third metal block,
the third portion and the fourth portion of the third substrate are formed with a ground pattern,
the first metal block and the third metal block are arranged at positions separated from each other,
the second metal block and the third metal block are arranged at positions separated from each other,
the ground pattern formed on the first portion of the first metal block, and the ground pattern formed on the third portion of the third metal block are electrically connected via a wiring member, and
the ground pattern formed on the second portion of the second metal block, and the ground pattern formed on the fourth portion of the third metal block are electrically connected via a wiring member.