Total quality manufacturing: the success of Corning's 8-m mirror blank programs

Mary J. Edwards

doi:10.1117/12.319253

25 August 1998 Total quality manufacturing: the success of Corning's 8-m mirror blank programs

Mary J. Edwards

Proceedings Volume 3352, Advanced Technology Optical/IR Telescopes VI; (1998) https://doi.org/10.1117/12.319253
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

Corning Incorporated has successfully completed the manufacture of three 8-meter class mirror blanks, the Subaru 8.3-meter and the twin Gemini 8.1-meter blanks. These mirrors, constructed of ULE^TM zero expansion glass by the hex seal process, are nearing completion at the optical polishers and will soon be installed in their respective telescopes. This paper describes the manufacturing process for the mirror blanks, summarizes key engineering studies performed during these projects, and gives quality results for the three blanks. In all cases, the 8-meter mirror blanks met both the customer's quality requirements as well as schedule timelines. Other applications of this process are also given.

Citation Download Citation

Mary J. Edwards "Total quality manufacturing: the success of Corning's 8-m mirror blank programs", Proc. SPIE 3352, Advanced Technology Optical/IR Telescopes VI, (25 August 1998); https://doi.org/10.1117/12.319253

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