US6461059B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photo-electronic device and method of producing the same
Assignee: Opnext Japan Inc
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Filing: 2001-03-08
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Granted: 2002-10-08
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Expires: 2021-03-08
Abstract
Abstract A photo-electronic device including a package having a main body portion containing parts including a photoelectric conversion element at inside thereof and a guide portion a front end of which faces the photoelectric conversion element for guiding, in a penetrated state, an optical fiber for transmitting and receiving light to and from the photoelectric conversion element, in which the optical fiber is fixed to the guide portion by adhering agent at the guide portion and portions of the main body portion including the photoelectric conversion element and a front end portion of the optical fiber are covered by a protective film formed by a resin transparent to the light and a dam is provided between the protective film and the adhering agent such that the protective film and the adhering agent are not brought into contact with each other.
Inventors
- 👤 Kazunori Ando
- 👤 Shoichi Takahashi
- 👤 Hiroshi Naka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:23
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4201; G02B6/4219; G02B6/4236; G02B6/4239; G02B6/4251; G02B6/4253; G02B6/4274; G02B6/36; G02B6/3628; G02B6/3632; G02B6/3636; G02B6/3648; G02B6/3652; G02B6/38; G02B6/3807; G02B6/3833; G02B6/3855; G02B6/3861; G02B6/422; G02B6/4221; G02B6/4224; G02B6/4225; G02B6/424; G02B6/4243; G02B6/4248; G02B6/4256; G02B6/4262; G02B6/4265; H; H10; H10W; H10W72/00; H10W72/50; H10W72/541; H10W72/5449
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
125 words
A photo-electronic device comprising: a package having a main body portion containing a photoelectric conversion element at an inner portion thereof and a guide portion for guiding, in a penetrated state, an optical fiber a front end of which faces the photoelectric conversion element for transmitting and receiving light to and from the photoelectric conversion element; an adhering member for fixing the optical fiber to the package at the guide portion; and a protective film for covering the photoelectric conversion element and a front end portion of the optical fiber in the main body portion; wherein a dam is provided between the protective film and the adhering agent such that the protective film and the adhering agent are not brought into contact with each other.
Claim 2
Dependent Claim
125 words
A photo-electronic device comprising: a package having a main body portion containing a photoelectric conversion element at an inner portion thereof and a guide portion for guiding, in a penetrated state, an optical fiber a front end of which faces the photoelectric conversion element for transmitting and receiving light to and from the photoelectric conversion element; an adhering member for fixing the optical fiber to the package at the guide portion; and a protective film for covering the photoelectric conversion element and a front end portion of the optical fiber in the main body portion; wherein a dam is provided between the protective film and the adhering agent such that the protective film and the adhering agent are not brought into contact with each other.
Claim 3
Dependent Claim
27 words
A photo-electronic device according to claim 1 : wherein the protective film is formed by a gel-like resin and the adhering agent is formed by epoxy resin.
Claim 4
Dependent Claim
23 words
The photo-electronic device according to claim 1 : wherein an air gap is present above the protective film in the main body portion.
Claim 5
Dependent Claim
157 words
The photo-electronic device according to claim 1 : wherein the package is formed by a case and a cap adhered to overlap the case, the case is formed by a case main body portion and a case guide portion continuous to the case main body portion, the cap is formed by a cap main body portion and a cap guide portion continuous to the cap main body portion, the case main body portion is embedded with a predetermined shape of a metal plate a portion of which forms a base plate exposed to an inner bottom of the main body portion, remaining portions of which form a plurality of leads extended to inside and outside of the main body portion, a support substrate is fixed onto the base plate and the photoelectric conversion element and the optical fiber for transmitting and receiving light to and from the photoelectric conversion element are fixed onto the support base plate.
Claim 6
Dependent Claim
42 words
The photo-electronic device according to claim 4 : wherein the front end portion of the optical fiber is fixed to the support substrate by an ultraviolet ray cured adhering agent and is fixed to the support substrate by a thermosetting adhering agent.
Claim 7
Dependent Claim
16 words
The photo-electronic device according to claim 4 : wherein the support substrate is a silicon substrate.
Claim 8
Dependent Claim
32 words
The photo-electronic device according to claim 4 : wherein the support substrate is fixed with a semiconductor laser element, a light receiving element and the front end portion of the optical fiber.
Claim 9
Dependent Claim
31 words
The photo-electronic device according to claim 2 : wherein the protective film is formed by any one of silicone gel, silicone rubber, low stress epoxy resin, acrylic resin and urethane resin.
Claim 10
Independent Claim
318 words
A method of producing a photo-electronic device in which a package is formed by a case and a cap adhered to overlap the case, the case is formed by a case main body portion and a case guide portion continuous to the case main body portion, the cap is formed by a cap main body portion and a cap guide portion continuous to the cap main body portion, the case main body portion is embedded with a predetermined shape of a metal plate a portion of which forms a base plate exposed to an inner bottom of the case main body portion and remaining portions of which form a plurality of leads extended to inside and outside of the case main body portion, a support substrate is fixed onto the base plate, a photoelectric conversion element an electrode of which is connected electrically to the lead is fixed onto the support substrate, an optical fiber is supported by the guide portion in a penetrated state and fixed thereto by an adhering agent, a front end of the optical fiber is fixed to the support substrate to transmit and receive light to and from the photoelectric conversion element and a protective film which is transparent to the light covers the photoelectric conversion element and the optical fiber in the main body portion, said method comprising the steps of: fixing the support substrate fixed with the photoelectric conversion element to inside of the main body portion; fixing a front end portion of the optical fiber by an adhering agent; forming the protective film by filling a resin in the main body portion; and fixing the optical fiber to the guide portion by an adhering agent; wherein a dam is formed at a boundary portion of the main body portion and the guide portion such that the protective film does not invade the guide portion prior to forming the protective film.
Claim 11
Independent Claim
318 words
A method of producing a photo-electronic device in which a package is formed by a case and a cap adhered to overlap the case, the case is formed by a case main body portion and a case guide portion continuous to the case main body portion, the cap is formed by a cap main body portion and a cap guide portion continuous to the cap main body portion, the case main body portion is embedded with a predetermined shape of a metal plate a portion of which forms a base plate exposed to an inner bottom of the case main body portion and remaining portions of which form a plurality of leads extended to inside and outside of the case main body portion, a support substrate is fixed onto the base plate, a photoelectric conversion element an electrode of which is connected electrically to the lead is fixed onto the support substrate, an optical fiber is supported by the guide portion in a penetrated state and fixed thereto by an adhering agent, a front end of the optical fiber is fixed to the support substrate to transmit and receive light to and from the photoelectric conversion element and a protective film which is transparent to the light covers the photoelectric conversion element and the optical fiber in the main body portion, said method comprising the steps of: fixing the support substrate fixed with the photoelectric conversion element to inside of the main body portion; fixing a front end portion of the optical fiber by an adhering agent; forming the protective film by filling a resin in the main body portion; and fixing the optical fiber to the guide portion by an adhering agent; wherein a dam is formed at a boundary portion of the main body portion and the guide portion such that the protective film does not invade the guide portion prior to forming the protective film.
Claim 12
Dependent Claim
42 words
The method of producing a photo-electronic device according to claim 9 : wherein the front end portion of the optical fiber is adhered to the support substrate by an ultraviolet ray cured adhering agent and fixed thereto by a thermosetting adhering agent.
Claim 13
Dependent Claim
22 words
The method of producing a photo-electronic device according to claim 9 : wherein the support substrate is formed by a silicon substrate.
Claim 14
Dependent Claim
83 words
The method of producing a photo-electronic device according to claim 9 : wherein a semiconductor laser element is fixed to the support substrate, the front end portion of the optical fiber is positioned and fixed such that laser beam on one side emitted from the semiconductor laser element is inputted from a front end thereof to an inner portion thereof and a light receiving element is positioned and fixed to receive the laser beam on other side emitted from the semiconductor laser element.
Claim 15
Dependent Claim
52 words
The method of producing a photo-electronic device according to claim 9 : wherein the protective film is formed by a gel-like resin, the adhering agent for fixing the optical fiber to the case guide portion is formed by epoxy resin and the dam is formed by an ultraviolet ray cured adhering agent.
Claim 16
Dependent Claim
43 words
The method of producing a photo-electronic device according to claim 13 : wherein the protective film is formed by any one of silicone gel, silicone rubber, low stress epoxy resin, acrylic resin and urethane resin any of which is transparent to the light.
Claim 17
Dependent Claim
145 words
A photo-electronic device comprising: (a) a photoelectric conversion element; (b) an optical fiber for transmitting and receiving light to and from the photoelectric conversion element; (c) a case having a main body portion having a recess for containing the photoelectric conversion element and a guide portion for supporting the optical fiber and formed by a resin; (d) a cap having portions in correspondence with the main body portion and the guide portion and comprising a resin; (e) a protective film for covering the photoelectric conversion element contained in the recess of the case and the optical fiber extended from the guide portion to a vicinity of the photoelectric conversion element; (f) an adhering layer for adhering the optical fiber to the case at the guide portion; and (g) a dam for preventing the protective film from being brought into direct contact with the adhering layer.
Claim 18
Dependent Claim
145 words
A photo-electronic device comprising: (a) a photoelectric conversion element; (b) an optical fiber for transmitting and receiving light to and from the photoelectric conversion element; (c) a case having a main body portion having a recess for containing the photoelectric conversion element and a guide portion for supporting the optical fiber and formed by a resin; (d) a cap having portions in correspondence with the main body portion and the guide portion and comprising a resin; (e) a protective film for covering the photoelectric conversion element contained in the recess of the case and the optical fiber extended from the guide portion to a vicinity of the photoelectric conversion element; (f) an adhering layer for adhering the optical fiber to the case at the guide portion; and (g) a dam for preventing the protective film from being brought into direct contact with the adhering layer.
Claim 19
Independent Claim
215 words
A method of producing a photo-electronic device which is a photo-electronic device comprising a photoelectric conversion element, an optical fiber for transmitting and receiving light to and from the photoelectric conversion element, a case having a main body portion having a recess for containing the photoelectric conversion element and a guide portion for supporting the optical fiber and formed by a resin and a cap having portions in correspondence with the main body portion and the guide portion and comprising a resin, said method comprising the steps of: (a) mounting the photoelectric conversion element to the recess of the case; (b) fixing a front end of the optical fiber to a vicinity of the photoelectric conversion element; (c) covering the photoelectric conversion element contained in the recess of the case and the optical fiber extended from the guide portion to the vicinity of the photoelectric conversion element by a first resin film; and (d) adhering the optical fiber to the case by a second resin film in the guide portion, further comprising the step of: forming a third resin film for covering the optical fiber at a boundary portion of the main body portion and the guide portion to prevent the first resin film from leaking to the guide portion prior to the step (c).
Claim 20
Independent Claim
215 words
A method of producing a photo-electronic device which is a photo-electronic device comprising a photoelectric conversion element, an optical fiber for transmitting and receiving light to and from the photoelectric conversion element, a case having a main body portion having a recess for containing the photoelectric conversion element and a guide portion for supporting the optical fiber and formed by a resin and a cap having portions in correspondence with the main body portion and the guide portion and comprising a resin, said method comprising the steps of: (a) mounting the photoelectric conversion element to the recess of the case; (b) fixing a front end of the optical fiber to a vicinity of the photoelectric conversion element; (c) covering the photoelectric conversion element contained in the recess of the case and the optical fiber extended from the guide portion to the vicinity of the photoelectric conversion element by a first resin film; and (d) adhering the optical fiber to the case by a second resin film in the guide portion, further comprising the step of: forming a third resin film for covering the optical fiber at a boundary portion of the main body portion and the guide portion to prevent the first resin film from leaking to the guide portion prior to the step (c).
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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) | 2005-10-07 | 2006-04-08 | 2006-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-10-07 | 2010-04-08 | 2010-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-10-07 | 2014-04-08 | 2014-10-08 | $7700.00 | Window Closed / Lapsed |