Free-Standing Diamond Films-Plates, Tubes And Curved Diaphragms

Tatsuo Obata; Shingo Morimoto

doi:10.1117/12.962080

15 January 1989 Free-Standing Diamond Films-Plates, Tubes And Curved Diaphragms

Tatsuo Obata, Shingo Morimoto

Proceedings Volume 1146, Diamond Optics II; (1989) https://doi.org/10.1117/12.962080
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

Free-standing diamond films are prepared by CVD technique to examine their properties directly. The products have a variety of shapes such as plates, tubes and curved diaphragms. Coefficients of thermal expansion (GTE) of the tube are similar to the values of a bulk diamond in the range from 40°C to 500°C. It is found that polished diamond film has uniform infrared transmission ranging from 500cm^-1 to 4000cm^-1. A speaker diaphragm will be a good application for free-standing diamond film.

Citation Download Citation

Tatsuo Obata and Shingo Morimoto "Free-Standing Diamond Films-Plates, Tubes And Curved Diaphragms", Proc. SPIE 1146, Diamond Optics II, (15 January 1989); https://doi.org/10.1117/12.962080

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