Semiconductor laser device and manufacturing method therefor
AssigneeSharp Kabushiki Kaisha
InventorNobuhiro Ohkubo
Life of this patent
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Abstract
A semiconductor laser device includes a semiconductor laser element, a sub mount member, a mount section having an upper surface on which the semiconductor laser element is mounted with the sub mount member interposed therebetween, a lead pin disposed at left and right sides of the mount section, a retainer that retains the mount section and the lead pin together and that is composed of an insulative material, and a protrusion protruding toward the left and right sides of the mount section. A lower surface of the mount section is parallel to an upper surface of the mount section and protrudes from a lower surface of the retainer.
Claims11
A semiconductor laser device equipped with a semiconductor laser element, the semiconductor laser device comprising:
- the semiconductor laser element;
- a sub mount member;
- a mount section having an upper surface on which the semiconductor laser element is mounted with the sub mount member interposed therebetween;
- a lead pin disposed at left and right sides of the mount section and extending in a front-rear direction, wherein an output direction in which a main beam is output from the semiconductor laser element is defined as a front direction, a direction parallel to the output direction is defined as the front-rear direction, and a direction orthogonal to the front-rear direction is defined as a left-right direction;
- a retainer that retains the mount section and the lead pin together and that is composed of an insulative material;
- and
- a protrusion protruding toward the left and right sides of the mount section and constituted by a part of a tie bar,
- wherein a lower surface of the mount section is parallel to an upper surface of the mount section and protrudes from a lower surface of the retainer, and
- wherein each of the retainer and the lead pin has a copper core.
A semiconductor laser device equipped with a semiconductor laser element, the semiconductor laser device comprising:
- the semiconductor laser element;
- a sub mount member;
- a mount section having an upper surface on which the semiconductor laser element is mounted with the sub mount member interposed therebetween;
- a lead pin disposed at left and right sides of the mount section and extending in a front-rear direction, wherein an output direction in which a main beam is output from the semiconductor laser element is defined as a front direction, a direction parallel to the output direction is defined as the front-rear direction, and a direction orthogonal to the front-rear direction is defined as a left-right direction;
- a retainer that retains the mount section and the lead pin together and that is composed of an insulative material;
- and
- a protrusion protruding toward the left and right sides of the mount section and constituted by a part of a tie bar,
- wherein a lower surface of the mount section is parallel to an upper surface of the mount section and protrudes from a lower surface of the retainer,
- wherein the retainer has a frame section disposed around the semiconductor laser element,
- wherein the frame section includes a window that is open in the front direction and that is for outputting the main beam from the semiconductor laser element, and also includes an opening through which an upper surface of the lead pin is exposed, and
- wherein an upper surface of the semiconductor laser element and the upper surface of the lead pin are connected by a wire via the opening.
A semiconductor laser device equipped with a semiconductor laser element, the semiconductor laser device comprising:
- the semiconductor laser element;
- a sub mount member;
- a mount section having an upper surface on which the semiconductor laser element is mounted with the sub mount member interposed therebetween;
- a lead pin disposed at left and right sides of the mount section and extending in a front-rear direction, wherein an output direction in which a main beam is output from the semiconductor laser element is defined as a front direction, a direction parallel to the output direction is defined as the front-rear direction, and a direction orthogonal to the front-rear direction is defined as a left-right direction;
- a retainer that retains the mount section and the lead pin together and that is composed of an insulative material;
- and
- a protrusion protruding toward the left and right sides of the mount section and constituted by a part of a tie bar,
- wherein a lower surface of the mount section is parallel to an upper surface of the mount section and protrudes from a lower surface of the retainer,
- wherein the retainer has a frame section disposed surrounding the sub mount member,
- wherein the frame section includes an opening through which an upper surface of the lead pin is exposed, and
- wherein an upper surface of the sub mount member and the upper surface of the lead pin are connected by a wire via the opening.
Dependencies are inferred from the claim text.