HB00700 - SEMI HB7 - Test Method for Measurement of Waviness of Crystalline Sapphire Wafers by Using Optical Probes Revision:SEMI HB7-0615 - Current This edition was approved for

This edition was approved for publication by the global Audits and Reviews Subcommittee on December 16

org in November 2004

Detailed information on the method is found in ASTM G48

SEMI D9 — Terminology for FPD Substrates

HB00700 - SEMI HB7 - Test Method for Measurement of Waviness of Crystalline Sapphire Wafers by Using Optical Probes Revision:SEMI HB7-0615 - Current This edition was approved forThis Standard was technically approved by the HB LED Global Technical Committee. This edition was approved for publication by the global Audits and Reviews Subcommittee on May 19, 2015. Available at www. semiviews. org and www. semi. org in June 2015. Crystalline sapphire wafers (CSW) are used as substrates for manufacturing compound semiconductor devices, in particular high brightness light emitting diodes (HB LED). In SEMI HB1 a multitude of