1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationOptical circuit boards Performance standardPart 3-1: Flexible optical circuit boards using unconnectorized optical glass fibresBS EN 62496-3-1:2010National forewordThis British S
2、tandard is the UK implementation of EN 62496-3-1:2010. It isidentical to IEC 62496-3-1:2009.The UK participation in its preparation was entrusted to Technical CommitteeGEL/86, Fibre optics.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publicati
3、on does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2010ISBN 978 0 580 64016 2ICS 31.180; 33.180.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under th
4、e authority of the StandardsPolicy and Strategy Committee on 30 June 2010.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 62496-3-1:2010EUROPEAN STANDARD EN 62496-3-1 NORME EUROPENNE EUROPISCHE NORM May 2010 CENELEC European Committee for Electrotechnical Standard
5、ization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62496-3-1:2010 E
6、ICS 31.180; 33.180.01 English version Optical circuit boards - Performance standard - Part 3-1: Flexible optical circuit boards using unconnectorized optical glass fibres (IEC 62496-3-1:2009) Cartes circuits optiques - Norme de performance - Partie 3-1 : Cartes circuits optiques souples utilisant de
7、s fibres optiques en silice non connectorises (CEI 62496-3-1:2009) Optische Leiterplatten - Betriebsverhalten - Teil 3-1: Flexible optische Leiterplatten mit nicht steckbaren Lichtwellenleitern fr die Kategorie C - Kontrollierte Umgebung (IEC 62496-3-1:2009) This European Standard was approved by CE
8、NELEC on 2010-05-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national stand
9、ards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and noti
10、fied to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
11、 Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 62496-3-1:2010EN 62496-3-1:2010 - 2 - Foreword The text of document 86/319/CDV, future edition 1 of IEC 62496-3-1, prepared by IEC TC 86, Fi
12、bre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62496-3-1 on 2010-05-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying an
13、y or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2011-02-01 latest date by which the national standards conflicting with the EN have to be withdraw
14、n (dow) 2013-05-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62496-3-1:2009 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the stand
15、ards indicated: IEC 60793-1-1 NOTE Harmonized as EN 60793-1-1. IEC 60793-2 NOTE Harmonized as EN 60793-2. IEC 60793-2-10 NOTE Harmonized as EN 60793-2-10. IEC 60793-2-20 NOTE Harmonized as EN 60793-2-20. IEC 60793-2-50 NOTE Harmonized as EN 60793-2-50. IEC 60793-2-60 NOTE Harmonized as EN 60793-2-60
16、. IEC 61753-1 NOTE Harmonized as EN 61753-1. IEC 62496-1 NOTE Harmonized as EN 62496-1. _ BS EN 62496-3-1:2010- 3 - EN 62496-3-1:2010 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispen
17、sable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (
18、mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 61300-2-18 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-18: Tests - Dry heat - High temperature endurance EN 61300-2-18 - IEC 61300-2-19 - Fibre optic interconnect
19、ing devices and passive components - Basic test and measurement procedures - Part 2-19: Tests - Damp heat (steady state) EN 61300-2-19 - IEC 61300-2-22 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-22: Tests - Change of temperature EN 6
20、1300-2-22 - IEC 61300-3-1 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-1: Examinations and measurements - Visual examination EN 61300-3-1 - IEC 61300-3-4 - Fibre optic interconnecting devices and passive components - Basic test and mea
21、surement procedures - Part 3-4: Examinations and measurements - Attenuation EN 61300-3-4 - IEC 61300-3-6 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6: Examinations and measurements - Return loss EN 61300-3-6 - ISO 5999 - Flexible cel
22、lular polymeric materials - Polyurethane foam for load-bearing applications excluding carpet underlay - Specification - - BS EN 62496-3-1:2010 2 62496-3-1 IEC:2009(E) CONTENTS 1 Scope.5 2 Normative references .5 3 Terms and definitions .5 4 Tests 7 5 Test report7 6 Reference components.7 7 Visual in
23、spection 7 8 Connectivity inspection.7 9 Performance requirements .8 9.1 Sample size, test sequencing and grouping.8 9.2 Performance details 8 Annex A (normative) Test method of bending endurance of fibre flexible OCB10 Annex B (normative) Optical fibre routing pattern and dimension of test specimen
24、11 Annex C (normative) Test sample size, test sequencing and grouping requirements.12 Annex D (normative) Test method of static pressure endurance of OCB body 13 Bibliography14 Figure 1 Example of fibre flexible OCB 6 Figure A.1 Configuration of the bending endurance test.10 Figure B.1 Optical fibre
25、 routing pattern and the dimensional outline drawing of OCB body for the test specimen .11 Figure D.1 Configuration of static pressure endurance test 13 Table 1 Optical fibres for FFOCB -1 .6 Table 2 Optical fibres for FFOCB -2 .7 Table 3 Performance details 8 Table C.1 Sample size and sequencing fo
26、r the performance standard12 BS EN 62496-3-1:201062496-3-1 IEC:2009(E) 5 OPTICAL CIRCUIT BOARDS Part 3-1: Performance standards Flexible optical circuit boards using unconnectorized optical glass fibres 1 Scope This part of IEC 62496 defines the performance of flexible optical circuit boards (FOCBs)
27、 using unconnectorized optical glass fibres for controlled environment. This standard clarifies the requirements for quality classification of the flexible OCBs incorporating optical glass fibres. 2 Normative references The following referenced documents are indispensable for the application of this
28、 document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 61300-2-18, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 2-18: Tests
29、 Dry heat High temperature endurance IEC61300-2-19, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 2-19: Tests Damp heat (steady state) IEC61300-2-22, Fibre optic interconnecting devices and passive components Basic test and measurement procedur
30、es Part 2-22: Tests Change of temperature IEC 61300-3-1, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-1: Examinations and measurements Visual examination IEC 61300-3-4, Fibre optic interconnecting devices and passive components Basic test an
31、d measurement procedures Part 3-4: Examinations and measurements Attenuation IEC 61300-3-6, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-6: Examinations and measurements Return loss ISO 5999, Flexible cellular polymeric materials Polyurethan
32、e foam for load-bearing applications excluding carpet underlay Specification 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 FFOCB (fibre flexible OCB) an OCB on which arbitrary routing patterns are made by fixing optical fibres and covered b
33、y a protection layer as illustrated in Figure 1. The fibre flexible OCB consists of a portion where the optical fibre is adhered to the flexible substrate as a routing pattern (OCB body) and “OCB tails” where the optical fibre is stacked out from the OCB body. The substrate for BS EN 62496-3-1:2010
34、6 62496-3-1 IEC:2009(E) FFOCB is a mechanically flexible polymer sheet on which optical fibres are adhered using adhesive or attached to the polymer sheet Thickness of fibre flexible OCB Substrate Protection layer OCB bodyI/O port OCB port OCB tail Optical fibre Optical fibre OCB bodyAlignment markC
35、rossing pointA A Section A - A B B Section B-BIEC 1650/09 Figure 1 Example of fibre flexible OCB 3.2 optical fibres for FFOCB categories of optical fibres to be used for fibre flexible OCB are multimode fibres and single-mode fibres with glass core/glass cladding (see Tables 1 and 2) NOTE 1 IEC 6079
36、3-2 provides the specifications for the fibres. Table 1 Optical fibres for FFOCB-1 Class Category Type Reference A1 Graded index fibre IEC 60793-2-10 A Multimode fibres A2 Quasi step index fibre IEC 60793-2-20 B1.1 Dispersion unshifted B1.2 Cut-off shifted B1.3 Extended band B2 Dispersion shifted B4
37、 Non-zero dispersion shifted B5 Wideband non-zero dispersion-shifted B Single-mode fibres B6 Bending loss insensitive IEC 60793-2-50 BS EN 62496-3-1:201062496-3-1 IEC:2009(E) 7 NOTE 2 IEC 60793-2-60 also specifies the specification of single-mode intraconnection optical fibres for wiring in OCB. Tab
38、le 2 Optical fibres for FFOCB-2 Family Transmission window Nominal MFD (mode field diameter) Reference C1 1 300 nm to 1 625 nm 8,6 m -9,5 m at 1 310 nm C2 1 310 nm 5,0 m -7,0 m at 1 310 nm C3 1 550 nm 5,5 m -7,5 m at 1 550 nm C4 980 nm 4,0 m -7,0 m at 980 nm IEC 60793-2-60 3.3 crossing point of opti
39、cal fibres position where optical fibres cross each other in the OCB body. The optical fibre overrides another optical fibre at the crossing point (see Figure 1). Bending endurance and static pressure endurance tests are carried out for checking mechanical strength of this point 4 Tests All test met
40、hods shall be in accordance with IEC 61300-2-18, IEC 61300-2-19, IEC 61300-2-22, IEC 61300-3-1, IEC 61300-3-6, and Annexes A through D of this standard. The test method to be used is defined for each test in 9.2, Table 3. 5 Test report Fully documented test reports and supporting evidence shall be p
41、repared and available for inspection as evidence that the tests have been carried out and the results are satisfactory. 6 Reference components No reference components are required to perform the tests described in this standard. 7 Visual inspection The OCB body and OCB tails of a product or a test s
42、pecimen described in Annex B shall be inspected for confirmation of damage that degrades performance, such as delamination of substrate and protection layer and breaking points of the optical fibres as defined in IEC 61300-3-1. The routing pattern of the test specimen is also checked, comparing it w
43、ith the design described in Figure B.1. Visual inspection shall be undertaken using an optical magnifier and/or eye observation. 8 Connectivity inspection The correspondence between the input and output ports of a product shall be confirmed, that is, a from/to port table should be obtained. This is
44、because the input and output ports are not regularly placed in a 2D-plane although the positions are defined against the original coordinate. It is recommended that light is transmitted through each optical path, and output light from each output port is observed with a CCD camera or by visual inspe
45、ction. BS EN 62496-3-1:2010 8 62496-3-1 IEC:2009(E) NOTE The preferred light source is a laser diode, LED, or lamp source (halogen or xenon). The wavelength is arbitrary. 9 Performance requirements 9.1 Sample size, test sequencing and grouping The test sample to be used for the tests shall be as def
46、ined in Annex C. 9.2 Performance details Attenuation of fibre flexible optical circuit board shall be measured by using method AT1, method AT2 or method AT3 of IEC 61300-3-4. Table 3 Performance details No. Test Requirements Details 1 Bending endurance of OCB body Change in attenuation: maximum vari
47、ation of 0,3 dB There is no delamination of substrate and protection layer and breaking point of fibre for measurement See Annex A Use test specimen described in Annex B Bending radius of OCB body: 30 mm Number of cycles: 10 Measurement of attenuation shall be made before and after test Test wavelen
48、gth to be measured at the following wavelengths: 1 550 nm 30 nm (for single-mode) 850 nm 30 nm (for multimode) 2 Static pressure endurance of OCB body Change in attenuation: maximum variation of 0,3 dB There is no delamination of substrate and protection layer and breaking point of fibre for measure
49、ment See Annex D Use test specimen described in Annex B Measurement of attenuation shall be made before and after test Test wavelength to be measured at the following wavelengths: 1 550 nm 30 nm (for single-mode) 850 nm 30 nm (for multimode) 3 Dry heat / high temperature Change in attenuation: maximum variation of 0,3 dB There is no delamination of substrate and protection layer IEC 61300-2-18 Use test spec
