Optic semiconductor module and manufacturing method
First Claim
1. An optic semiconductor module comprising:
- a main board of an approximately planar plate shape having an aperture therethrough and a plurality of board metal patterns formed at a periphery of the aperture;
a package portion coupled to the main board, the package portion comprising;
a laser diode for converting an electric signal to an optical signal;
a photo detector for converting an optical signal to an electric signal, wherein the laser diode and the photo detector are electrically coupled to the main board through the board metal patterns;
a cap type substrate comprising;
a base having inside surfaces defining a space within the base and defining an opening at a lower part of the base;
a plurality of substrate metal patterns formed on first portions of the inside surfaces and an outside surface of the base; and
an adhesive layer interposed between the substrate metal patterns and the first portions of the inside surfaces and the outside surface of the base, wherein the laser diode and the photo detector are bonded to a second portion of the inside surfaces of the base;
a plurality of conductive wires electrically connecting the laser diode and photo detector to the substrate metal patterns;
a glass attached to a perimeter edge of the opening; and
a glass attach material interposed between the glass and the perimeter edge of the opening, wherein the glass and the glass attach material seal the opening; and
an optical fiber inserted into the aperture of the main board, an end of the optical fiber being disposed adjacent to the package portion.
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0 Petitions
Accused Products
Abstract
An optic semiconductor package includes a main board of a substantially planar plate shape. The main board includes an aperture therethrough and a plurality of board metal patterns formed at the periphery of the aperture. A package portion is coupled to the main board. The package portion includes a base, a laser diode and a photo detector electrically coupled to the board metal patterns of the main board and bonded to the base. An optical fiber is inserted into the aperture of the main board and disposed adjacent the package portion. The position and tilt of the optical fiber may be adjusted to achieve optimum optical coupling between the optical fiber and the laser diode and the optical fiber and the photo detector. The optical fiber is stably attached to the main board by an adhesive.
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Citations
17 Claims
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1. An optic semiconductor module comprising:
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a main board of an approximately planar plate shape having an aperture therethrough and a plurality of board metal patterns formed at a periphery of the aperture; a package portion coupled to the main board, the package portion comprising; a laser diode for converting an electric signal to an optical signal; a photo detector for converting an optical signal to an electric signal, wherein the laser diode and the photo detector are electrically coupled to the main board through the board metal patterns; a cap type substrate comprising; a base having inside surfaces defining a space within the base and defining an opening at a lower part of the base; a plurality of substrate metal patterns formed on first portions of the inside surfaces and an outside surface of the base; and an adhesive layer interposed between the substrate metal patterns and the first portions of the inside surfaces and the outside surface of the base, wherein the laser diode and the photo detector are bonded to a second portion of the inside surfaces of the base; a plurality of conductive wires electrically connecting the laser diode and photo detector to the substrate metal patterns; a glass attached to a perimeter edge of the opening; and a glass attach material interposed between the glass and the perimeter edge of the opening, wherein the glass and the glass attach material seal the opening; and an optical fiber inserted into the aperture of the main board, an end of the optical fiber being disposed adjacent to the package portion. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An optic semiconductor module comprising:
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a main board of an approximately planar plate shape having an aperture therethrough and a plurality of board metal patterns formed at a periphery of the aperture; a package portion coupled to the main board, the package portion comprising; a laser diode for converting an electric signal to an optical signal; a photo detector for converting an optical signal to an electric signal, wherein the laser diode and the photo detector are electrically coupled to the main board through the board metal patterns; a substrate having a resin layer of an approximately planar plate shape, wherein the laser diode and the photo detector are attached to a bottom surface of the substrate; a plurality of substrate metal patterns formed at a bottom surface of the resin layer; a plurality of conductive wires electrically connecting the laser diode and photo detector to the substrate metal patterns; an insulative layer applied to a surface of the substrate metal patterns; a dam of a predetermined thickness coupled to a surface of the insulative layer; a glass attached to the dam; and a glass attach material between the glass and the dam, wherein the glass attach material, the glass, and the substrate seal the laser diode and the photo detector from an external environment; and an optical fiber inserted into the aperture of the main board, an end of the optical fiber being disposed adjacent to the package portion.
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9. An optic semiconductor module comprising:
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a main board of an approximately planar plate shape having an aperture therethrough and a plurality of board metal patterns formed at a periphery of the aperture; a package portion coupled to the main board, the package portion comprising; a laser diode for converting an electric signal to an optical signal; a photo detector for converting an optical signal to an electric signal, wherein the laser diode and the photo detector are electrically coupled to the main board through the board metal patterns; a substrate comprising a resin layer of an approximately planar plate, wherein the laser diode and the photo detector are bonded to a bottom surface of the substrate; a plurality of substrate metal patterns formed at a bottom surface of the resin layer; a plurality of leads having first end portions and second end portions, the first end portions passing through the resin layer and being electrically connected to the substrate metal patterns, the second end portions being bent downward from the respective first end portions of the leads; a plurality of conductive wires electrically connecting the laser diode and photo detector to the substrate metal patterns; an insulative layer applied to a surface of the substrate metal patterns; a dam of a predetermined thickness formed at a surface of the insulative layer; a glass attached to the dam; and a glass attach material interposed between the glass and the dam, wherein the glass attach material, the glass, and the substrate seal the laser diode and the photo detector from an external environment; and an optical fiber inserted into the aperture of the main board, an end of the optical fiber being disposed adjacent to the package portion.
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10. A method of manufacturing an optic semiconductor module, the method comprising:
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providing a cap type substrate comprising a base having inside surfaces defining a space within the base and defining an opening at the lower part of the base; forming a plurality of substrate metal patterns; forming an adhesive layer on first portions of the inside surfaces and an outside surface of the base; attaching the plurality of substrate metal patterns to the first portions of the inside surfaces and the outside surface of the base by means of the adhesive layer; bonding a laser diode and a photo detector to a second portion of the inside surfaces of the base; connecting the laser diode and the photo detector to the plurality of substrate metal patterns by means of conductive wires; positioning a glass within the opening in the lower part of the base; attaching the glass to a perimeter edge of the opening by means of a glass attach material; providing a main board of an approximately planar plate shape, the main board having an aperture therethrough and a plurality of board metal patterns formed at a periphery of the aperture; and electrically connecting the substrate metal patterns of the cap type substrate to the board metal patterns of the main board. - View Dependent Claims (11, 12)
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13. An optic semiconductor module comprising:
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a main board having an aperture therethrough and a plurality of board metal patterns formed at a periphery of the aperture; a package portion coupled to the main board, wherein the package portion comprises; a cap type substrate comprising; a base having inside surfaces defining a space within the base and defining an opening at a lower part of the base; a plurality of substrate metal patterns formed on first portions of the inside surfaces and an outside surface of the base; and an adhesive layer interposed between the substrate metal patterns and the first portions of the inside surfaces and the outside surface of the base; a laser diode bonded to the package portion; a photo detector bonded to the package portion; wherein the laser diode and the photo detector are electrically coupled to the main board through the board metal patterns; a glass attached to a perimeter edge of the opening; and a glass attach material interposed between the glass and the perimeter edge of the opening, wherein the glass and the glass attach material seal the opening. - View Dependent Claims (14, 15)
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16. An optic semiconductor module comprising:
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a main board having an aperture therethrough and a plurality of board metal patterns formed at a periphery of the aperture; a package portion coupled to the main board, wherein the package portion comprises; a cap type substrate comprising; a base having inside surfaces defining a space within the base and defining an opening at a lower part of the base; a plurality of substrate metal patterns formed on first portions of the inside surfaces and an outside surface of the base; and an adhesive layer interposed between the substrate metal patterns and the first portions of the inside surfaces and the outside surface of the base; a laser diode bonded to the package portion; a photo detector bonded to the package portion; and wherein the laser diode and the photo detector are electrically coupled to the main board through the board metal patterns, wherein the main board further comprises; a depression portion formed at the periphery of the aperture and extending within the main board a predetermined depth from the top surface of the main board, wherein the cap type substrate is coupled with the depression portion; wherein the plurality of the board metal patterns is formed at a surface of the depression portion; and wherein the substrate metal patterns are electrically connected to the board metal patterns.
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17. An optic semiconductor module comprising:
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a main board having an aperture therethrough and a plurality of board metal patterns formed at a periphery of the aperture; a package portion coupled to the main board; a laser diode bonded to the package portion; a photo detector bonded to the package portion; wherein the laser diode and the photo detector are electrically coupled to the main board through the board metal patterns; a substrate having a resin layer of an approximately planar plate shape, wherein the laser diode and the photo detector are attached to a bottom surface of the substrate; a plurality of substrate metal patterns formed at a bottom surface of the resin layer; a plurality of conductive wires electrically connecting the laser diode and photo detector to the substrate metal patterns; an insulative layer applied to a surface of the substrate metal patterns; a dam of a predetermined thickness coupled to a surface of the insulative layer; a glass attached to the dam; and a glass attach material between the glass and the dam, wherein the glass attach material, the glass, and the substrate seal the laser diode and the photo detector from an external environment.
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Specification