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    TIA EIA-455-173-1990 FOTP-173 Coating Geometry Measurement for Optical Fiber Side-View Method《FOTP-173 光纤的被覆层几何测量 侧视法》.pdf

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    TIA EIA-455-173-1990 FOTP-173 Coating Geometry Measurement for Optical Fiber Side-View Method《FOTP-173 光纤的被覆层几何测量 侧视法》.pdf

    1、Eleeltronk Industiies Alliance Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTICE TIA/EIA Engineering Standards and Publications are designed to serve the public interest through eli

    2、minating misunderstandmgs between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and Publications shall not in

    3、 any respect preclude any member or nonmember of TIA/EIA from manufacturing or selling products not codorming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other than TIA/EIA members, whether the standard is to be

    4、 used either domestically or internationally. Standards and Publications are adopted by TIA/EIA in accordance with the American National Standards Institute (ANSI) patent policy. By such actio% TMIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to part

    5、ies adopting the Standard or Publication. This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the a

    6、pplicability of regulatory limitations before its use. (From Standards Proposal No. 2083-4 formulated under the cognizance of the TIA FO-6.6 Subcommittee on Optical Fibers and Materials.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 1990 Standards and Technology Department 2500 Wilson Boulev

    7、ard Arlington, VA 2220 1 PRICE: Please refer to current Catalog of EIA ELECTRONIC INDUSTRIES ALLIANCE STANDARDS and ENGINEERING PUBLICATIONS or call Global Engineering Documents, USA and Canada (1-800-854-7179) International (303-397-7956) All rights reserved Printed in U.S.A. Copyright Electronic I

    8、ndustries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-

    9、,-Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- .c EIA TIA-455-173 90 3234b00 OOO71YO b EIA/TIA-455-173 Page 3 5.9.1 Adjust the microscope to focus the sample. NOTE: The best focus is

    10、 obtained by adjusting for a single distinct line on the outer surface of the coating, interfaces one (i) and four (4). Interfaces two (2) and three (3) have width and cannot be focused to a single distinct line. There may be additional interfaces between the cladding-coating and coating-immersion f

    11、luid interfaces representing additional layers. These interface lines will also have width and cannot be focused to a single distinct line, The hairline of the measurement equipment must be placed consistently throughout the duration of the test. If the sample appears to vibrate in the microscope, c

    12、heck for an improper level of immersion fluid. 5.8.1.1 While viewing the magnified image, rotate the sample in the fixture until the estimated maximum outside diameter of the coated fiber is shown in the microscope or video monitor. While the hairline of the measurement equipment is in the plane sho

    13、wing the maximum outside diameter of the coated fiber, move it from interface one (1) to interface four (4). Record the maximum outside diameter of the coated fiber. 5.8.1.2 While viewing the magnified image, rotate the sample in the fixture until the estimated minimum outside diameter of the coated

    14、 fiber is shown in the microscope or video monitor. While the hairline of the measurement equipment is in the plane showing the minimum outside diameter of the coated fiber, move it from interface one (i) to interface four (4). Record the minimum outside diameter of the coated fiber. 5.3.1.3 While v

    15、iewing the magnified image, rotate the sample in the fixture until the estimated minimum overall wall thickness (the thickness from the cladding/coating interface to the coating/fluid interface) is shown in the microscope or video monitor, While the hairline of the measurement equipment is in the pl

    16、ane showing the minimum overall wall thickness, move it from interface one (1) to interface two (2) and from interface three (3) to interface four (4). Record both measurements. These measurements will yield the minimum and corresponding opposite overall wall thicknesses of the coatings. 5.4 Calcula

    17、tions 5.4.1 Coated Outside Diameter, OD in pm: (From values determined in Sections 5.3.1.1 and 5.3.1.2) Mazimum Outside Diameter + Minimum Outside Diameter 2 OD = 5.4.2 Coating Noncircularity, CN in percent: (From values determined in Sections 5.3.1.1 and 5.3.1.3) ? (hazimum Outside Diameter - Afini

    18、mum Outside Diameter) J x 100 cN = 1 Mazimum Outside Diameter + hinimum Outside Diameter Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EIA TIA-455-173 90 m 3234b00 0009141 m EJA/TIA-45

    19、5- 17 3 Page 4 5.4.3 Coating-Cladding Concentricity Error, CE in pm): (From values determined in Section 5.3.1.3) This measurement determines the distance between the coating center and the cladding center in the plane of the minimum overall wall thickness. Overall Wall Thickness Opposite the Minimu

    20、m - Minimum Overall Wall Thickncsa 2 CE = 6. DOCUMENTATION 6.1 Information to be Reported The following information shall be reported with each test: 6.1.1 Date of test. 6.1.2 Test sample identification. 6.1.3 The values of the coated outside diameter, the coating noncircularity, and the coating- cl

    21、adding concentricity error. 6.2 Military Applications For U. S. Military applications, brief descriptions of the following items shall be reported for each test; for all other applications, the descriptions need not be reported, but shall be available upon request: 6.2.1 Microscope: manufacturer, mo

    22、del number, magnification used, and accessories pertinent to the measurement. 6.2.2 Test Fixture. 6.2.8 Test personnel. e 7. SPECIFYING INFORMATION The following details shall be specified in the Detail Specification: 7.1 FOTP number 7.2 Failure or acceptance criteria 7.3 Number of samples, or sampl

    23、ing plan 7.4 Any modijicationa to test procedure or special conditions that may apply Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- c EIA TIA-455-173 90 m 3234b00 0009342 T m EIA/TIA-

    24、455-173 Page 5 I - Outer Layer Interface No. 1 Inner Layer (for example, if present) 1 - Fiber I f- . 2 3 4 Typical Multi-Layered Fiber Figure 1 Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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