Optical link device

• US 20030147602A1
• Filed: 01/24/2003
• Published: 08/07/2003
• Est. Priority Date: 02/01/2002
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Takada, Koji
• Granted Patent: US 6,863,452 B2
• Time in Patent Office: Days
• US Class Current: 385/93
• CPC Class Codes: G02B 6/4204 the coupling comprising intermediate optical elements, e.g. lenses, holograms encapsulated active devices H01S5/02208, H01L33/52
• CPC Class Codes: G02B 6/4237 Welding
• CPC Class Codes: G02B 6/4246 Bidirectionally operating package structures
• CPC Class Codes: G02B 6/4292 the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements

Abstract

An optical link device is provided with an optical communications package including a device positioning member, a photoelectric converter placed on the device positioning member, and leads for connecting contact terminals of the photoelectric converter with an external device; a sealing cap attached to the device positioning member and which seals the photoelectric converter; a condenser lens for guiding incident light to a photo detector (the photoelectric converter) or an optical fiber; a housing in which at least the optical communications package, the condenser lens and the sealing cap are placed; a receptacle for being coupled with the housing as well as the optical connector; a sleeve into which the optical fiber is inserted; a stopper against which the tip of the optical fiber is butted and for positioning the optical fiber. The sealing cap, the condenser lens, and the stopper are formed in a single unit member.

Claims

1. An optical link device for being connected to an optical connector formed such that an optical fiber is supported by a connector section, said optical link device comprising:

an optical communications package comprising a device positioning member having prescribed wiring patterns, on which one of a light emitting device and a photo detector is placed as a photoelectric converter, and leads for connecting contact terminals of the photoelectric converter to an external device;

a sealing cap that is attached to the device positioning member of the optical communications package and that seals the photoelectric converter in an airtight manner;

a condenser lens that guides incident light to one of the photo detector and the optical fiber;

a housing in which at least the optical communications package, the condenser lens, and the sealing cap are placed;

a receptacle for being coupled with the housing and with the connector section of the optical connector;

a sleeve into which the optical fiber is inserted when the receptacle and the connector section are coupled; and

a stopper against which the tip of the optical fiber inserted into the sleeve is butted, and for positioning the optical fiber, wherein

the sealing cap, the condenser lens, and the stopper are unitized as a single unit member.

2. The optical link device of claim 1, wherein an attachment section is formed on the single unit member, and the single unit member is attached to the housing with the attachment section.

3. The optical link device of claim 1, wherein a sleeve holder for holding the sleeve is unitized with the receptacle.

4. The optical link device of claim 2, wherein a sleeve holder for holding the sleeve is unitized with the receptacle.

5. The optical link device of claim 1, wherein the housing and the receptacle are unitized.

6. The optical link device of claim 2, wherein the housing and the receptacle are unitized.

7. The optical link device of claim 5, wherein a sleeve holder for holding the sleeve is unitized with the receptacle.

8. The optical link device of claim 6, wherein a sleeve holder for holding the sleeve is unitized with the receptacle.

9. The optical link device of claim 1, wherein the sleeve and the receptacle are formed into a single unit.

10. The optical link device of claim 2, wherein the sleeve and the receptacle are formed into a single unit.

11. The optical link device of claim 1, wherein the single unit member and the sleeve are formed into a single unit.

12. The optical link device of claim 2, wherein the single unit member and the sleeve are formed into a single unit.

13. The optical link device of claim 11, wherein the housing and the receptacle are formed into a single unit.

14. The optical link device of claim 12, wherein the housing and the receptacle are formed into a single unit.

15. The optical link device of claim 1, wherein the single unit member and the device positioning member of the optical communications package are formed using a resin material, and

the sealing cap of the single unit member and the device positioning member are joined together through fusing.

16. The optical link device of claim 1, wherein the single unit member and the device positioning member of the optical communications package are formed using a resin material, and

the sealing cap of the single unit member and the device positioning member are joined together with a hot melt adhesive.

17. The optical link device of claim 15, wherein a part at which the single unit member and the device positioning member of the optical communications package are joined is sealed using a sealing material.

18. The optical link device of claim 16, wherein a part at which the single unit member and the device positioning member of the optical communications package are joined is sealed using a sealing material.

19. The optical link device of claim 15 further comprising a butting section provided on each of the single unit member and the device positioning member of the optical communications package to butt against each other, wherein

the sealing cap of the single unit member and the device positioning member are joined together at a part other than the butting sections.

20. The optical link device of claim 16 further comprising a butting section provided on each of the single unit member and the device positioning member of the optical communications package to butt against each other, wherein

the sealing cap of the single unit member and the device positioning member are joined together at a part other than the butting sections.

21. An optical link device for being connected to an optical connector formed such that a pair of optical fibers are supported by a connector section, said optical link device comprising:

an optical communications package comprising a device positioning member having prescribed wiring patterns and on which a photo detector and a light emitting device are placed as photoelectric converters, and leads for connecting contact terminals of the photo detector and the light emitting device with an external device;

a sealing cap that is attached to the device positioning member of the optical communications package and that seals the photo detector and the light emitting device airtight;

a pair of condenser lenses that guide incident light to one of the photo detector and the optical fiber;

a housing, in which at least the optical communications package, the pair of condenser lenses, and the sealing cap are placed;

a receptacle for being coupled with the housing and with the connector section of the optical connector;

a pair of sleeves into which the respective optical fibers are inserted when the connector section is coupled with the receptacle; and

a pair of stoppers against which the tips of the optical fibers inserted into the respective sleeves are butted and for positioning the pair of optical fibers, wherein

the sealing cap, the pair of condenser lenses, and the pair of stoppers are unitized as a single unit member.

22. The optical link device of claim 21, wherein an attachment section is provided on the single unit member, and the single unit member is attached to the housing with the attachment section.

23. The optical link device of claim 21, wherein a pair of sleeve holders for holding the respective pair of sleeves is unitized with the receptacle.

24. The optical link device of claim 22, wherein a pair of sleeve holders for holding the respective pair of sleeves is unitized with the receptacle.

25. The optical link device of claim 21, wherein the housing and the receptacle are unitized.

26. The optical link device of claim 22, wherein the housing and the receptacle are unitized.

27. The optical link device of claim 25, wherein a pair of sleeve holders for holding the respective pair of sleeves is unitized with the receptacle.

28. The optical link device of claim 26, wherein a pair of sleeve holders for holding the respective pair of sleeves is unitized with the receptacle.

29. The optical link device of claim 21, wherein the pair of sleeves and the receptacle are unitized.

30. The optical link device of claim 22, wherein the pair of sleeves and the receptacle are unitized.

31. The optical link device of claim 21, wherein the single unit member and the pair of sleeves are unitized.

32. The optical link device of claim 22, wherein the single unit member and the pair of sleeves are unitized.

33. The optical link device of claim 31, wherein the housing and the receptacle are unitized.

34. The optical link device of claim 32, wherein the housing and the receptacle are unitized.

35. The optical link device of claim 21, wherein the single unit member and the device positioning member of the optical communications package are formed using resin materials, and

the sealing cap of the single unit member and the device positioning member are joined together through fusing.

36. The optical link device of claim 21, wherein the single unit member and the device positioning member of the optical communications package are formed using resin materials, and

the sealing cap of the single unit member and the device positioning member are joined together using a hot melt adhesive.

37. The optical link device of claim 35, wherein a part at which the single unit member and the device positioning member of the optical communications package are joined is sealed using a sealing material.

38. The optical link device of claim 36, wherein a part at which the single unit member and the device positioning member of the optical communications package are joined is sealed using a sealing material.

39. The optical link device of claim 35 further comprising a butting section provided on each of the single unit member and the device positioning member of the optical communications package to butt against each other, wherein

the sealing cap of the single unit member and the device positioning member are joined together at a part other than the butting sections.

40. The optical link device of claim 36 further comprising a butting section provided on each of the single unit member and the device positioning member of the optical communications package to butt against each other, wherein

the sealing cap of the single unit member and the device positioning member are joined together at a part other than the butting sections.

41. An optical link device for being connected to an optical connector formed such that an optical fiber is supported by a connector section, said optical link device comprising:

an optical communications package comprising a device positioning member having prescribed wiring patterns and on which either a light emitting device or a photo detector used as a photoelectric converter is placed, and leads for connecting contact terminals of the photoelectric converter with an external device;

a sealing cap that is attached to the device positioning member of the communications package and that seals the photoelectric device in an airtight manner;

a condenser lens that guides incident light to one of the photo detector and the optical fiber;

a housing in which at least the optical communications package, the condenser lens, and the sealing cap are placed;

a receptacle for being coupled with the housing and the connector section of the optical connector;

a sleeve into which the optical fiber is inserted when the receptacle and the connector section are coupled; and

a stopper against which the optical fiber inserted into the sleeve is butted, and for positioning the optical fiber, wherein

the sealing cap and the device positioning member of the optical communications package are formed using resin materials, and

the sealing cap and the device positioning member are joined together through fusing.

42. The optical link device of claim 41, wherein a part at which the sealing cap and the device positioning member of the optical communications package are joined is sealed using a sealing material.

43. The optical link device of claim 41 further comprising a butting section provided on each of the single unit member and the device positioning member of the optical communications package to butt against each other, wherein

the sealing cap of the single unit member and the device positioning member are joined together at a part other than the butting sections.

44. An optical link device for being connected to an optical connector formed such that an optical fiber is supported by a connector section, said optical link device comprising:

an optical communications package comprising a device positioning member having prescribed wiring patterns and on which one of a light emitting device and a photo detector used as a photoelectric converter is placed, and leads for connecting contact terminals of the photoelectric converter with an external device;

a sealing cap that is attached to the device positioning member of the optical communications package and that seals the photoelectric converter airtight;

a condenser lens that guides incident light to one of the photo detector and the optical fiber;

a housing in which at least the optical communications package, the condenser lens, and the sealing cap are placed;

a receptacle for being coupled with the housing and the connector section of the optical connector;

a sleeve into which the optical fiber is inserted when the receptacle and the connector section are coupled; and

a stopper against which the optical fiber inserted into the sleeve is butted against and for positioning the optical fiber, wherein

the sealing cap and the device positioning member of the optical communications package are formed using a resin material, and

the sealing cap and the device positioning member are joined together using a hot melt adhesive.

45. The optical link device of claim 44, wherein a part at which the sealing cap and the device positioning member of the optical communications package are joined is sealed using a sealing material.

46. The optical link device of claim 44 further comprising a butting section provided on each of the single unit member and the device positioning member of the optical communications package to butt against each other, wherein

the sealing cap of the single unit member and the device positioning member are joined together at a part other than the butting sections.