EP1344094A2 - Optische kopplungsanordnung und optische stecker - Google Patents
Optische kopplungsanordnung und optische steckerInfo
- Publication number
- EP1344094A2 EP1344094A2 EP01980174A EP01980174A EP1344094A2 EP 1344094 A2 EP1344094 A2 EP 1344094A2 EP 01980174 A EP01980174 A EP 01980174A EP 01980174 A EP01980174 A EP 01980174A EP 1344094 A2 EP1344094 A2 EP 1344094A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- optical
- connector
- housing
- optical connector
- coupling arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 92
- 230000008878 coupling Effects 0.000 title claims abstract description 24
- 238000010168 coupling process Methods 0.000 title claims abstract description 24
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000005693 optoelectronics Effects 0.000 claims abstract description 8
- 239000013307 optical fiber Substances 0.000 claims abstract description 6
- 239000007819 coupling partner Substances 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 10
- 230000002745 absorbent Effects 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 6
- 239000011358 absorbing material Substances 0.000 claims 2
- 230000005670 electromagnetic radiation Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 description 13
- 230000005855 radiation Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 101100297538 Caenorhabditis elegans php-3 gene Proteins 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4277—Protection against electromagnetic interference [EMI], e.g. shielding means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/38875—Protection from bending or twisting
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3817—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres containing optical and electrical conductors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3893—Push-pull type, e.g. snap-in, push-on
Definitions
- Designation of the invention Optical coupling arrangements and optical connectors.
- the invention relates to two optical coupling arrangements according to the preamble of claims 1 and 7 and two optical connectors according to the preamble of claims 13 and 15.
- optoelectronic transceivers for optical data transmission on a printed circuit board.
- plug-in, so-called small form factor pluggable (SFP) transceivers of a small design are known, which are arranged in a housing on a printed circuit board.
- Other transceivers are fixed in a metallic or metallized housing.
- the transceivers have optoelectronic converters such as a fabric perot laser or VCSEL laser and a photodiode. Infrared light is coupled in or out between a transceiver and an optical network via a connector receptacle or, more generally, an optical port into which an optical connector can be inserted.
- the circuit board with the optoelectronic transceiver in a metallic housing, for example the housing of a mainframe or server.
- the housing serves to shield electromagnetic interference radiation, which arises particularly at high clock rates in the gigahertz range.
- the optical port with the inserted optical connector or at least one cable connected to the optical connector must be led out of the housing.
- the resulting discontinuity or opening in the housing wall (backplane) radiates electromagnetic interference radiation from the inside of the housing to the outside.
- the problem increases with increasing clock rates of the transceivers used. The problem persists even after inserting the optical connector into the connector bay of the transceiver.
- the present invention has for its object to provide optical coupling arrangements and optical connectors with which electromagnetic interference emissions can be effectively reduced even at high frequencies.
- the optical connector of an optical coupling arrangement is designed in such a way that the optical connector has at least one component that consists of electromagnetic waves ⁇ ⁇ IV) IV) I- 1 no cn o cn o Cn ⁇ ⁇ ⁇ Q CT 3 N ⁇ ⁇ KQ H ⁇ ! - DJ ⁇ C ⁇ ⁇ C ⁇ DJ H> HS t? he ⁇ ! tr S C ⁇ ⁇ ⁇ DJ
- HP 0 discusses ⁇ 0 H ⁇ d P- P- d H h - P tr DJ CD N ⁇ ? ⁇ ⁇ d ⁇ P " M - 'li D ⁇ ⁇ er P cn ⁇ -s H ⁇ OH ⁇ ⁇ cn - 3 d DJ rt PP
- Fig. 1 - a perspective view of a
- Fig. 2 - a first embodiment of an optical
- the optical connector has components made of an absorbent material and Fig. 3 - a second embodiment of an optical connector, wherein the optical connector has metallized components and Fig. 4 - another embodiment of a
- Coupling partner who has a transceiver with a metallic or metallized housing.
- Figure 1 shows schematically two identical optical connectors 1, each mounted at the end of an optical cable 2 and provided for this purpose, in a connector socket 30 with two connector receptacles 31, 32 one
- the optical connector has a locking element 12 with locking lugs 13 and an actuating lever 14.
- the transceiver 3 has, in a manner known per se, a transmission component (for example a fabric-Perot laser or a VCSEL laser) and a reception component (for example a photodiode) (not shown separately), which via the connector socket 30 with the connector receptacles 31, 32 receive or send optical signals.
- a transmission component for example a fabric-Perot laser or a VCSEL laser
- a reception component for example a photodiode
- the transceiver has only one transmitting component or only one receiving component, and thus represents only one receiving unit or one transmitting unit. Accordingly, the connector socket then has only one connector receptacle.
- the transceiver 3 is inserted into a housing 7, which is placed on a circuit board 8 and serves to hold, shield and contact the transceiver 3.
- the housing 7 forms a sheet metal cage, which usually consists of a copper alloy or steel alloy and is formed from a lower part 71 connected to the printed circuit board 8 and an upper part 72 which can be placed thereon. Because of the metallic design, the housing is a shield plate.
- the transceiver 3 is arranged behind a metallic housing wall or backplane 9, which is part of the housing, for example of a server or other computer.
- the transceiver 3 is arranged in the rear wall 9 such that the optical port 30 of the transceiver projects through an opening 91 in the rear wall 9, while the optoelectronic components (laser diode, photodiode) are arranged behind the rear wall 9.
- the housing 7 or the shield plate is coupled to the metal rear wall 9 via contact springs 73.
- the opening 91 of the rear wall represents a discontinuity through which electromagnetic interference radiation can be coupled out.
- a transceiver which is shown schematically in FIG.
- the transceiver 3 ⁇ has a metallic or metallized housing 7 ⁇ in which the optoelectronic transducers of the transceiver are fixedly arranged.
- the housing 7 is in turn coupled to a metallic rear wall via contact elements (not shown) similar to the contact springs 73 of FIG. 1.
- FIG. 2 An exemplary embodiment of an optical connector, which is only shown schematically in FIG. 1, is shown in FIG. 2.
- the optical connector 1, which has the shape and configuration of an SC connector, and is inserted into the connector receptacles 31, 32 of the transceiver 3 ⁇ in FIG could have an outer connector housing 11, an inner connector housing 13, a fiber end piece 14, an adapter 15 and a fiber kink protection 12.
- the outer connector housing 11 surrounds the inner connector housing 13, which receives the fiber end piece 14.
- the fiber end piece 14 is usually referred to as a ferrule. In the present exemplary embodiment, it is a ceramic ferrule in which an optical fiber is guided in a known manner.
- the adapter piece 15 receives the coated fiber and passes the inner fiber to the fiber end piece 14.
- the fiber end piece 14 and the adapter piece 15 are preferably metal-free.
- the outer connector housing 11, the inner connector housing 13 and / or the fiber end piece 12 from a material that is absorptive for high-frequency electromagnetic rays (in particular a frequency of more than 1 GHz). In a first embodiment variant, these are filled with carbon
- a ferritic material in particular a plastic filled with ferrite particles.
- the base material is preferably plastic, so that the plastic filled with carbon or a ferritic material can be produced in a known, simple manner using the injection molding process.
- Suitable ferritic materials are available, for example, under the names “C-RAM KRS” and “C-RAM KFE” from Cuming Microwave, Aron, MA 02322, USA.
- the connector receptacle When the optical connector 1 is inserted into a connector receptacle 31 ⁇ , 32 ⁇ corresponding to FIG. 4 (or when the corresponding connector is inserted into a connector receptacle 31, 32 according to FIG. 1), the connector receptacle is shielded, so that despite opening 91 in the rear wall 9 electromagnetic interference is emitted to a reduced extent. By using absorptive materials, the radiation of electromagnetic interference radiation into the outside space is considerably reduced.
- FIG 3 shows an alternative embodiment of an optical connector.
- the optical plug again consists of an outer plug housing 11 ⁇ , an inner connector housing 13 to a fiber end 14 an adaptation piece 15 and a fiber bend protection 12th
- the outer connector housing 11, the inner connector housing 13 ⁇ and / or the fiber kink protection 12 are metallized or consist of an electrically conductive material.
- a coating is applied to the outer skin of the respective component, for example by means of a galvanic deposition process or metal vapor deposition. It is also conceivable to sheath a component 1A, 12 ⁇ , 13 ⁇ consisting of plastic with a wire mesh or with plastic containing a conductive filler. For example, on two sides of the Plug housing 11 ⁇ a flexible EMI seal (EMI gasket) can be arranged.
- EMI gasket flexible EMI seal
- the mentioned components ll ⁇ , 12 ⁇ , 13 ⁇ consist of an electrically conductive material
- they consist of metal
- non-conductive materials can be used which are provided with conductive filler particles, for example silver-coated balls, and which are conductive due to these additional components.
- two contact springs 111, 112 are provided which, when the optical connector is inserted into a connector bay of a coupling partner, contact correspondingly metallized components of the coupling partner or a metallic or metallized housing or shield plate of the coupling partner.
- the contact springs 111, 112 ⁇ contact the metallic housing 7 ⁇ of the exemplary embodiment in FIG. 4.
- 112 ⁇ can be arranged, which consist of a container filled with conductive particles or a foam Drahgeflecht at two or more sides of the housing EMI gaskets.
- the inner connector housing 13 ⁇ has a nose 131 ⁇ which, when the connector is latched in the connector socket of a coupling partner, latches with latching hooks of the coupling partner.
- the nose 131 ⁇ of the inner connector housing 13 is likewise metallized or made electrically conductive. In the case of metallized latching hooks of the coupling partner, a further electrical contact with a shielding element of the coupling partner is produced by the metallization of the inner connector housing 13 ⁇ .
- the kink protection sleeve 12 ⁇ has a cuboid section 121 ⁇ on the side facing the optical connector. When the optical connector is installed, it slides in the connector housing 1A. It is provided that in particular this cuboid area 121 ⁇ is metallized, so that a flat electrical contact is provided on the sliding surface. This can be done either through the
- Sliding surface 121 ⁇ itself or by additional contact springs (not shown) are provided, which are formed on the cuboid section 121 ⁇ .
- the connector can also be used in the connector.
- the outer connector housing is metallized, while the fiber kink protection consists of an absorptive material.
- the optical connectors described in FIGS. 2 and 3 are to be understood only as examples and not as restrictive. The invention can be used on any optical connector.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Optical Couplings Of Light Guides (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10064601A DE10064601C2 (de) | 2000-12-18 | 2000-12-18 | Optische Vorrichtung mit Knickschutz |
| DE10064601 | 2000-12-18 | ||
| PCT/DE2001/003607 WO2002050582A2 (de) | 2000-12-18 | 2001-09-14 | Optische kopplungsanordnung und optische stecker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1344094A2 true EP1344094A2 (de) | 2003-09-17 |
Family
ID=7668688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01980174A Ceased EP1344094A2 (de) | 2000-12-18 | 2001-09-14 | Optische kopplungsanordnung und optische stecker |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US6857791B2 (de) |
| EP (1) | EP1344094A2 (de) |
| DE (1) | DE10064601C2 (de) |
| WO (1) | WO2002050582A2 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7201520B2 (en) * | 2003-05-30 | 2007-04-10 | Sumitomo Electric Industries, Ltd. | Optical module having a simple mechanism for releasing from a cage |
| US7248469B2 (en) * | 2003-09-05 | 2007-07-24 | Finisar Corporation | Plug-in electronic module and method for connecting a plug-in electronic module to a holding structure |
| EP1598686A3 (de) * | 2004-05-17 | 2005-12-07 | JDS Uniphase Corporation | Elektromagnetische RF Wellen endeabsorbierendes Zugentlastungsmuffe |
| TWI244278B (en) * | 2004-06-04 | 2005-11-21 | Ind Tech Res Inst | Optical transceiver module |
| US7712979B2 (en) * | 2005-06-28 | 2010-05-11 | Sumiden High Precision Co., Ltd. | Optical adapter |
| US20070025666A1 (en) * | 2005-07-28 | 2007-02-01 | Sumiden High Precision Co., Ltd. | Optical connector plug |
| US20080145005A1 (en) * | 2006-12-15 | 2008-06-19 | Masahiro Shibata | Optical communication module and optical sub-assembly |
| US8666257B2 (en) * | 2007-05-24 | 2014-03-04 | Finisar Corporation | Optoelectronic devices with intelligent transmitter modules |
| US8019225B2 (en) * | 2007-05-24 | 2011-09-13 | Finisar Corporation | Intelligent transmitter module |
| JP5495153B2 (ja) * | 2008-04-22 | 2014-05-21 | 住友ゴム工業株式会社 | ゴム組成物およびそれを用いた空気入りタイヤ |
| CH703904A2 (de) * | 2010-10-01 | 2012-04-13 | Huber+Suhner Ag | Steckverbinder. |
| US9591785B1 (en) * | 2014-03-27 | 2017-03-07 | Juniper Networks, Inc. | Apparatus, system, and method for increasing access to transceivers |
| JP7011387B2 (ja) * | 2016-12-06 | 2022-02-10 | 日本航空電子工業株式会社 | コネクタ |
| JP6792673B1 (ja) * | 2019-06-25 | 2020-11-25 | 日本航空電子工業株式会社 | プラグコネクタ |
| US20220224618A1 (en) * | 2021-01-12 | 2022-07-14 | Dell Products L.P. | Transceiver with integrated visual indicator for port link and activity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4519664A (en) * | 1983-02-16 | 1985-05-28 | Elco Corporation | Multipin connector and method of reducing EMI by use thereof |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7908536A (nl) * | 1979-11-23 | 1981-06-16 | Philips Nv | Omhulling voor een fotodiode. |
| US4903402A (en) * | 1987-07-28 | 1990-02-27 | Amp Incorporated | Method of assembling a connector to a circuit card |
| US4840451A (en) * | 1987-12-08 | 1989-06-20 | Molex Incorporated | Shielded fiber optic connector assembly |
| US5029958A (en) * | 1989-04-28 | 1991-07-09 | Scientific-Atlanta, Inc. | Optical fiber enclosure for optoelectronic converter |
| US5066424A (en) * | 1990-06-20 | 1991-11-19 | The United States Of America As Represented By The Secretary Of The Navy | Composite material for EMI/EMP hardening protection in marine environments |
| US5125849A (en) * | 1990-07-09 | 1992-06-30 | Amp Incorporated | Connector guide means |
| US5574815A (en) * | 1991-01-28 | 1996-11-12 | Kneeland; Foster C. | Combination cable capable of simultaneous transmission of electrical signals in the radio and microwave frequency range and optical communication signals |
| US5091991A (en) * | 1991-02-25 | 1992-02-25 | Amp Incorporated | Optical fiber connector with alignment feature |
| US5337396A (en) * | 1993-01-22 | 1994-08-09 | Optical Communication Products, Inc. | Conductive plastic optical-electronic interface module |
| KR100225026B1 (ko) * | 1993-03-31 | 1999-10-15 | 구라우치 노리타카 | 광파이버어레이 |
| US6158899A (en) * | 1999-01-27 | 2000-12-12 | Hewlett-Packard Company | Method and apparatus for alleviating ESD induced EMI radiating from I/O connector apertures |
| DE19905246C1 (de) * | 1999-02-02 | 2000-11-30 | Siemens Ag | Abschlußanordnung für ein Ende eines optischen Kabels |
| US6366380B1 (en) * | 1999-02-12 | 2002-04-02 | Cisco Technology, Inc | Optical transceiver EMI detuning device |
| DE19910163C2 (de) * | 1999-02-24 | 2002-05-29 | Infineon Technologies Ag | Optischer Verbinder und Verbindung |
| US6335869B1 (en) * | 2000-01-20 | 2002-01-01 | International Business Machines Corporation | Removable small form factor fiber optic transceiver module and electromagnetic radiation shield |
| US6450697B1 (en) * | 2000-08-24 | 2002-09-17 | Berg Technology, Inc. | Optical connector having a combined guide pin lock and grounding contact |
| US6457874B1 (en) * | 2000-08-31 | 2002-10-01 | Corning Cable Systems Llc | Wall mountable mixed media outlet |
-
2000
- 2000-12-18 DE DE10064601A patent/DE10064601C2/de not_active Expired - Fee Related
-
2001
- 2001-09-14 WO PCT/DE2001/003607 patent/WO2002050582A2/de not_active Ceased
- 2001-09-14 EP EP01980174A patent/EP1344094A2/de not_active Ceased
- 2001-12-18 US US10/023,139 patent/US6857791B2/en not_active Expired - Fee Related
-
2003
- 2003-06-18 US US10/601,303 patent/US20040197055A1/en not_active Abandoned
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4519664A (en) * | 1983-02-16 | 1985-05-28 | Elco Corporation | Multipin connector and method of reducing EMI by use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US6857791B2 (en) | 2005-02-22 |
| DE10064601C2 (de) | 2002-11-07 |
| US20040197055A1 (en) | 2004-10-07 |
| DE10064601A1 (de) | 2002-07-18 |
| US20020085818A1 (en) | 2002-07-04 |
| WO2002050582A2 (de) | 2002-06-27 |
| WO2002050582A3 (de) | 2003-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20030522 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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| 17Q | First examination report despatched |
Effective date: 20031208 |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: FESTAG, MARIO Inventor name: FISCHER, UWE |
|
| RBV | Designated contracting states (corrected) |
Designated state(s): AT BE CH DE FR GB LI |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: FINISAR CORPORATION |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
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| 18R | Application refused |
Effective date: 20100108 |