Standardization Of Environmental Test Conditions

Masaki Isshiki

doi:10.1117/12.949467

11 April 1989 Standardization Of Environmental Test Conditions

Masaki Isshiki

Proceedings Volume 1015, Micromachining Optical Components and Precision Engineering; (1989) https://doi.org/10.1117/12.949467
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

ISO Technical Committee (TC) 172 "Optics and Optical Instruments" was organized in June 1978 at the inaugural meeting at Pforzheim West-Germany. TC 172 is composed of nine Subcommittees and the work of the Subcommittee (SC) 1 "Fundamental Standards" was divided into 3 items, for each of which a Working Group (WG) is formed and WG 3 was in charge of preparing the draft standards for "Environmental Test Conditions." The urgent need for that standardization was stressed by one of the U.K. delegates in 1980 at the first meeting of SC 1. However, the actual work of the WG 3 started in 1982. The delay was due to the controversy as to selecting the basic structure of the standard. Another Problem was how to determine the boundary of WG 3's field, because this item extends so widely that interferences with the task of other groups, such as IEC, would be unavoidable. Finally the group decided to divide a big volume of draft into a number of parts and publish them one after another as soon as each of them is accomplished. It was the general agreement of the group members to avoid pursuing the perfectness of the draft too persistently. That seemed impossible because of the complicated character of the field. The prompt publishment of the draft would evoke discussions from the experts in the world which would contribute to improve it. At the end of 1985, draft proposals ISO DP 9022, Optics and optical instruments -Environmental test methods; Part 1 - 14 were accomplished. The working group is still actively working out the additional parts of that DP. In this report the outline of the standard will be reported with the its future prospects.

Citation Download Citation

Masaki Isshiki "Standardization Of Environmental Test Conditions", Proc. SPIE 1015, Micromachining Optical Components and Precision Engineering, (11 April 1989); https://doi.org/10.1117/12.949467

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