US5436997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical fiber-optical device coupling package and optical fiber-optical device module
Assignee: Fujitsu Ltd
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Filing: 1993-10-13
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Granted: 1995-07-25
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Expires: 2013-10-13
Abstract
Abstract A package used to couple an optical fiber and an optical device to each other comprises a frame member open at the top and the bottom thereof for accommodating an electronic part therein, the frame member having an opening formed in a portion of a side wall thereof in or adjacent which an optical fiber and an optical device are coupled to each other, a heat sink for closing one of the opening ends of the frame member, and a lid for closing the other opening end of the frame member.
Inventors
- 👤 Masao Makiuchi
- 👤 Gohji Nakagawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:55
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/02; H01S5/022; H01S5/0225; H01S5/02251; G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4201; G02B6/4202; G02B6/4204; G02B6/4214; G02B6/4219; G02B6/4234; G02B6/4236; G02B6/424; G02B6/4245; G02B6/4249; H01S5/024; G02B6/4237; G02B6/4266; G02B6/4268; G02B6/4269; G02B6/4273; G02B6/4274; H10; H10W; H10W72/00; H10W72/071; H10W72/072; H10W72/07251; H10W72/20
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
94 words
An optical fiber-optical device coupling package, comprising: a frame member open at a top and a bottom thereof for accommodating an electronic part therein; said frame member having an opening formed in a portion of a side wall thereof in which an optical fiber and an optical device are coupled to each other; first and second lids for closing the top and the bottom of said frame member, respectively; a plurality of heat radiating fins formed on said first lid; and a heat insulating member disposed between said first lid and said frame member.
Claim 2
Dependent Claim
94 words
An optical fiber-optical device coupling package, comprising: a frame member open at a top and a bottom thereof for accommodating an electronic part therein; said frame member having an opening formed in a portion of a side wall thereof in which an optical fiber and an optical device are coupled to each other; first and second lids for closing the top and the bottom of said frame member, respectively; a plurality of heat radiating fins formed on said first lid; and a heat insulating member disposed between said first lid and said frame member.
Claim 3
Dependent Claim
23 words
An optical fiber-optical device coupling package according to claim 1, further comprising lead terminals extending through said side wall of said frame member.
Claim 4
Dependent Claim
31 words
An optical fiber-optical device coupling package according to claim 2, wherein said frame member is made of a conductive material, and said lead terminals are electrically isolated from said frame member.
Claim 5
Dependent Claim
26 words
An optical fiber-optical device coupling package according to claim 1, further comprising lead terminals extending from said frame member to the outside through said second lid.
Claim 6
Dependent Claim
113 words
An optical fiber-optical device module, comprising: a frame member open at a top and a bottom thereof for accommodating an electronic part therein; said frame member having an opening formed in a side wall thereof; an optical device disposed in said opening on an inner side of said frame member; an optical fiber disposed in said opening on an outer side of said frame member and optically coupled to said optical device in said opening; first and second lids for closing the top and the bottom of said frame member, respectively, said first lid being thermally connected to said electronic part; and a plurality of heat radiating fins formed on said first lid.
Claim 7
Dependent Claim
113 words
An optical fiber-optical device module, comprising: a frame member open at a top and a bottom thereof for accommodating an electronic part therein; said frame member having an opening formed in a side wall thereof; an optical device disposed in said opening on an inner side of said frame member; an optical fiber disposed in said opening on an outer side of said frame member and optically coupled to said optical device in said opening; first and second lids for closing the top and the bottom of said frame member, respectively, said first lid being thermally connected to said electronic part; and a plurality of heat radiating fins formed on said first lid.
Claim 8
Dependent Claim
25 words
An optical fiber-optical device module according to claim 5, wherein each of said optical fiber and said optical device is disposed by a plural number.
Claim 9
Dependent Claim
39 words
An optical fiber-optical device module according to claim 5, further comprising a ferule fitted in said opening and having said optical fiber mounted thereon, said optical device being secured to an end face of said ferule adjacent said opening.
Claim 10
Dependent Claim
22 words
An optical fiber-optical device module according to claim 5, further comprising a lead extending through said side wall of said frame member.
Claim 11
Dependent Claim
49 words
An optical fiber-optical device module according to claim 8, wherein said lead is connected to an electrode of the electronic part by way of a conductive member, and the electrode of the electronic part is connected to an electrode of said optical device by way of another conductive member.
Claim 12
Dependent Claim
25 words
An optical fiber-optical device module according to claim 8, wherein said lead contacts directly with an electrode of the electronic part in said frame member.
Claim 13
Dependent Claim
37 words
An optical fiber-optical device module according to claim 5, wherein the electronic part is carried on a face of said first lid while said heat radiating fins are formed on the opposite face of said first lid.
Claim 14
Dependent Claim
72 words
An optical fiber-optical device module according to claim 5, wherein the electronic part is carried on a face of said second lid adjacent said frame member and a lead is connected to the opposite face of said second lid, and a face of said first lid adjacent said frame member is thermally connected to the electronic part and said heat radiating fins are formed on the opposite face of said first lid.
Claim 15
Dependent Claim
41 words
An optical fiber-optical device module according to claim 5, further comprising a support base plate having said optical device mounted thereon, said support base plate having a wiring pattern in the form of a microstrip line formed on a surface thereof.
Claim 16
Dependent Claim
23 words
An optical fiber-optical device module according to claim 5, wherein the electronic part is disposed by a plural number in said frame member.
Claim 17
Dependent Claim
28 words
An optical fiber-optical device module according to claim 14, wherein at least one of the electronic parts accommodated in said frame member is covered with a conductive cap.
Claim 18
Dependent Claim
37 words
An optical fiber-optical device module according to claim 5, wherein the inside of said frame member is partitioned into a plurality of spaces by a partition, and the electronic part is accommodated in each of said spaces.
Claim 19
Dependent Claim
17 words
An optical fiber-optical device module according to claim 16, further comprising a lead extending through said partition.
Claim 20
Dependent Claim
27 words
An optical fiber-optical device module according to claim 5, wherein said plurality of heat radiating fins are formed in a non-uniform distribution density on said first lid.
Claim 21
Dependent Claim
27 words
An optical fiber-optical device module according to claim 5, wherein said plurality of heat radiating fins are formed on said first lid and have non-uniform surface areas.
Claim 22
Dependent Claim
64 words
An optical fiber-optical device according to claim 5, wherein an end portion of said optical fiber adjacent said opening has a face inclined with respect to an optical axis of said optical fiber, and an optical input end or an optical output end of said optical device is disposed around said optical fiber in the proximity of said inclined face of said optical fiber.
Claim 23
Dependent Claim
25 words
An optical fiber-optical device module according to claim 5, wherein an end of said optical fiber is attached to a connector fitted in said opening.
Claim 24
Dependent Claim
34 words
An optical fiber-optical device coupling package according to claim 1, wherein said first lid has a region for supporting the electronic part in a surface which is opposite to that of said radiating fins.
Claim 25
Dependent Claim
24 words
An optical fiber-optical device module according to claim 5, further including a heat insulating member disposed between said first lid and said frame member.
Claim 26
Dependent Claim
108 words
An optical fiber-optical device module, comprising: a frame member open at a top and a bottom thereof for accommodating an electronic part therein; said frame member having an opening formed in a side wall thereof; an optical device disposed in said opening on an inner side of said frame member; an optical fiber disposed in said opening on an outer side of said frame member and optically coupled to said optical device in said opening; first and second lids for closing the top and the bottom of said frame member, respectively; and a plurality of heat radiating fins formed in a non-uniform distribution density on said first lid.
Claim 27
Dependent Claim
108 words
An optical fiber-optical device module, comprising: a frame member open at a top and a bottom thereof for accommodating an electronic part therein; said frame member having an opening formed in a side wall thereof; an optical device disposed in said opening on an inner side of said frame member; an optical fiber disposed in said opening on an outer side of said frame member and optically coupled to said optical device in said opening; first and second lids for closing the top and the bottom of said frame member, respectively; and a plurality of heat radiating fins formed in a non-uniform distribution density on said first lid.
Claim 28
Dependent Claim
108 words
An optical fiber-optical device module, comprising: a frame member open at a top and a bottom thereof for accommodating an electronic part therein; said frame member having an opening formed in a side wall thereof; an optical device disposed in said opening on an inner side of said frame member; an optical fiber disposed in said opening on an outer side of said frame member and optically coupled to said optical device in said opening; first and second lids for closing the top and the bottom of said frame member, respectively; and a plurality of heat radiating fins formed on said first lid and having non-uniform surface areas.
Claim 29
Dependent Claim
108 words
An optical fiber-optical device module, comprising: a frame member open at a top and a bottom thereof for accommodating an electronic part therein; said frame member having an opening formed in a side wall thereof; an optical device disposed in said opening on an inner side of said frame member; an optical fiber disposed in said opening on an outer side of said frame member and optically coupled to said optical device in said opening; first and second lids for closing the top and the bottom of said frame member, respectively; and a plurality of heat radiating fins formed on said first lid and having non-uniform surface areas.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-07-24 | 1999-01-23 | 1999-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-07-24 | 2003-01-23 | 2003-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-07-24 | 2007-01-23 | 2007-07-25 | $7700.00 | Window Closed / Lapsed |