US4880290A
Expired / Lapsed
US
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Opto-electronic device and method for producing the device
Assignee: Hitachi Ltd
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Filing: 1987-09-21
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Granted: 1989-11-14
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Expires: 2007-09-21
Abstract
Abstract An optical fiber apparatus having an optical fiber jacket guide for receiving and guiding an optical fiber therethrough to enable proper optical coupling with an optical component of an opto-electronic package device. An optical fiber core extends through the jacket guide and has a coating material coated thereon and extending within at least a part of the jacket guide. At least a part of the coating material within the jacket guide has an irregular peripheral surface and adhesive within the jacket guide bonds at least the coating material and the jacket guide.
Inventors
- 👤 Tetsuo Kumazawa
- 👤 Makoto Shimaoka
- 👤 Kazuyuki Fukuda
- 👤 Eiichi Adachi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:46
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/245; G02B6/36; G02B6/38; G02B6/3807; G02B6/3833; G02B6/3855; G02B6/3861; G02B6/42; G02B6/4201; G02B6/4202; G02B6/4219; G02B6/4236; G02B6/4248; G02B6/3887; G02B6/3889; G02B6/4239
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
219 words
An opto-electronic device comprising: a package containing at least one optical component therein; an optical fiber jacket guide penetrating and fixed to a wall of the package for enabling an optical fiber to pass into or out of the package; an optical fiber core extending through the optical fiber jacket guide and positioned within the package so that an end thereof is optically coupled with the at least one optical component within the package; a coating material coated on at least a portion of the optical fiber core extending through the optical fiber jacket guide, the coating material within at least a portion of the optical fiber jacket guide having means for relieving strain of the coating material, the strain relieving means including a grooved peripheral surface of the coating material; and means filling the region between the coating material and the optical fiber jacket guide within the optical fiber jacket guide for effecting bonding thereof; whereby the grooved peripheral surface of the coating material within the optical fiber jacket guide substantially prevents contraction of the coating material in response to heat and cooling temperature cyclic variations and displacement of the optical fiber core within the package so as to maintain proper optical coupling of the end of the optical fiber core with the at least one optical component.
Claim 2
Dependent Claim
219 words
An opto-electronic device comprising: a package containing at least one optical component therein; an optical fiber jacket guide penetrating and fixed to a wall of the package for enabling an optical fiber to pass into or out of the package; an optical fiber core extending through the optical fiber jacket guide and positioned within the package so that an end thereof is optically coupled with the at least one optical component within the package; a coating material coated on at least a portion of the optical fiber core extending through the optical fiber jacket guide, the coating material within at least a portion of the optical fiber jacket guide having means for relieving strain of the coating material, the strain relieving means including a grooved peripheral surface of the coating material; and means filling the region between the coating material and the optical fiber jacket guide within the optical fiber jacket guide for effecting bonding thereof; whereby the grooved peripheral surface of the coating material within the optical fiber jacket guide substantially prevents contraction of the coating material in response to heat and cooling temperature cyclic variations and displacement of the optical fiber core within the package so as to maintain proper optical coupling of the end of the optical fiber core with the at least one optical component.
Claim 3
Dependent Claim
21 words
An opto-electronic device according to claim 1, wherein the grooved surface portion includes annular grooves extending circumferentially about the coating material.
Claim 4
Dependent Claim
28 words
An opto-electronic device according to claim 1, wherein the grooved surface portion includes grooves extending in the axial direction of the coating material and the fiber optic core.
Claim 5
Dependent Claim
18 words
An opto-electronic device according to claim 1, wherein the grooved surface portion includes a screw type thread groove.
Claim 6
Dependent Claim
31 words
An opto-electronic device according to claim 4, wherein the optical fiber jacket guide has an inner surface wall opposing the coating material and having a corresponding screw type threaded groove therein.
Claim 7
Dependent Claim
31 words
An opto-electronic device according to claim 4, wherein the screw-type thread groove has an average diameter at a root thereof of substantially 0.73 mm with a pitch of substantially 0.2 mm.
Claim 8
Dependent Claim
73 words
An opto-electronic device according to claim 1, wherein the optical fiber jacket guide has an opening through which the optical fiber extends from an entrance end to an exit end thereof, the opening at the entrance end having a first diameter, the grooved surface portion of the coating material extending within the optical fiber jacket guide for a length at least equal to the first diameter of the opening at the entrance end.
Claim 9
Dependent Claim
56 words
An opto-electronic device according to claim 7, wherein the grooved surface portion of the coating material is provided within the optical fiber jacket guide at least at a predetermined distance from the entrance end of the optical fiber jacket guide, the predetermined distance being greater than the first diameter of the opening at the entrance end.
Claim 10
Dependent Claim
16 words
An opto-electronic device according to claim 1, wherein the filling means is an epoxy resin adhesive.
Claim 11
Dependent Claim
13 words
An opto-electronic device according to claim 1, wherein the coating material is nylon.
Claim 12
Dependent Claim
31 words
An opto-electronic device according to claim 1, wherein the grooved surface portion has at least one groove with a depth of substantially 0.2 mm and a width of substantially 0.3 mm.
Claim 13
Dependent Claim
22 words
An opto-electronic device according to claim 1, wherein the grooved surface portion includes convex and concave parts arranged in a lattice configuration.
Claim 14
Dependent Claim
133 words
An optical fiber apparatus comprising: optical fiber jacket guide means for receiving and guiding an optical fiber therethrough; a optical fiber core extending through the optical fiber jacket guide means; a coating material coated on the optical fiber core over at least a portion of the optical fiber core extending within the optical fiber jacket guide means, and at least a portion of the coating material within the optical fiber jacket guide means having means for relieving strain of the coating material, the strain relieving means including a grooved peripheral surface of the coating material; and adhesive within the optical fiber jacket guide means for filling at least the region between the coating material and an inner surface of the optical fiber jacket guide means for bonding at least the coating material thereto.
Claim 15
Dependent Claim
133 words
An optical fiber apparatus comprising: optical fiber jacket guide means for receiving and guiding an optical fiber therethrough; a optical fiber core extending through the optical fiber jacket guide means; a coating material coated on the optical fiber core over at least a portion of the optical fiber core extending within the optical fiber jacket guide means, and at least a portion of the coating material within the optical fiber jacket guide means having means for relieving strain of the coating material, the strain relieving means including a grooved peripheral surface of the coating material; and adhesive within the optical fiber jacket guide means for filling at least the region between the coating material and an inner surface of the optical fiber jacket guide means for bonding at least the coating material thereto.
Claim 16
Dependent Claim
20 words
An apparatus according to claim 13, wherein the grooved surface portion includes annular grooves extending circumferentially about the coating material.
Claim 17
Dependent Claim
27 words
An apparatus according to claim 13, wherein the grooved surface portion includes grooves extending in the axial direction of the coating material and the optical fiber core.
Claim 18
Dependent Claim
17 words
An apparatus according to claim 13, wherein the grooved surface portion includes a screw type thread groove.
Claim 19
Dependent Claim
30 words
An apparatus according to claim 16, wherein the optical fiber jacket guide has an inner surface wall opposing the coating material and having a corresponding screw type threaded groove therein.
Claim 20
Dependent Claim
30 words
An apparatus according to claim 16, wherein the screw-type thread groove has an average diameter at a root thereof of substantially 0.73 mm with a pitch of substantially 0.2 mm.
Claim 21
Dependent Claim
72 words
An apparatus according to claim 13, wherein the optical fiber jacket guide has an opening through which the optical fiber extends from an entrance end to an exit end thereof, the opening at the entrance end having a first diameter, the irregular surface portion of the coating material extending within the optical fiber jacket guide for a length at least equal to the first diameter of the opening at the entrance end.
Claim 22
Dependent Claim
55 words
An apparatus according to claim 19, wherein the grooved surface portion of the coating material is provided within the optical fiber jacket guide at least at a predetermined distance from the entrance end of the optical fiber jacket guide, the predetermined distance being greater than the first diameter of the opening at the entrance end.
Claim 23
Dependent Claim
30 words
An apparatus according to claim 13, wherein the grooved surface portion has at least one groove with a depth of substantially 0.2 mm and a width of substantially 0.3 mm.
Claim 24
Dependent Claim
21 words
An apparatus according to claim 13, wherein the grooved surface portion includes convex and concave parts arranged in a lattice configuration.
Claim 25
Independent Claim
180 words
A method for producing an opto-electronic device comprising the steps of: providing an optical fiber jacket guide in a side wall of a package containing at least one optical component therein; providing an optical fiber cable having an optical fiber core and a coating material coated on at least a portion of the optical fiber core; forming a grooved surface on a part of the coating material adjacent an end of the optical fiber core for relieving strain of the coating material; inserting the optical fiber cable into the optical fiber jacket guide so that a portion of the coating material having the grooved surface is disposed within the optical fiber jacket guide and at least an end of the optical fiber core extends outwardly from the optical fiber jacket guide toward the at least one optical component; bonding at least the jacket guide and the grooved surface of the coating material together; and fixedly positioning the end of the optical fiber core and the at least one optical component within the package so as to provide optical coupling therebetween.
Claim 26
Independent Claim
180 words
A method for producing an opto-electronic device comprising the steps of: providing an optical fiber jacket guide in a side wall of a package containing at least one optical component therein; providing an optical fiber cable having an optical fiber core and a coating material coated on at least a portion of the optical fiber core; forming a grooved surface on a part of the coating material adjacent an end of the optical fiber core for relieving strain of the coating material; inserting the optical fiber cable into the optical fiber jacket guide so that a portion of the coating material having the grooved surface is disposed within the optical fiber jacket guide and at least an end of the optical fiber core extends outwardly from the optical fiber jacket guide toward the at least one optical component; bonding at least the jacket guide and the grooved surface of the coating material together; and fixedly positioning the end of the optical fiber core and the at least one optical component within the package so as to provide optical coupling therebetween.
Claim 27
Dependent Claim
32 words
A method according to claim 23, wherein the step of forming a grooved surface on the coating material comprises subjecting the coating material coated on the optical fiber core to plasma etching.
Claim 28
Dependent Claim
39 words
A method according to claim 23, wherein the step of forming a grooved surface on the coating material coated on the optical fiber core includes cutting the surface of the coating material to form at least one groove therein.
Claim 29
Dependent Claim
34 words
A method according to claim 23, wherein the step of forming a grooved surface includes forming at least one groove having a depth of substantially 0.2 mm and a width of substantially 0.3 mm.
Claim 30
Dependent Claim
36 words
A method according to claim 23, wherein the step of forming a grooved surface includes forming a screw-type thread groove having an average root diameter of substantially 0.73 mm and a pitch of substantially 0.2 mm.
References Cited (Backward Citations)
US4696537A
Cited
US4756592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-13 | 1993-05-15 | 1993-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-13 | 1997-05-15 | 1997-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-13 | 2001-05-15 | 2001-11-14 | $7700.00 | Window Closed / Lapsed |