Microhardness and wear resistance of surface-hardened synthetic sapphire crystals have been measured and compared with conventional sapphire crystals. To evaluate the utility of processed sapphire crystals for playback styli for discrete four-channel disc systems, wear tests have been conducted in relation to the quality of the reproduced sound.
https://www.aes.org/e-lib/browse.cfm?elib=2744
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.
Learn more about the AES E-Library
Start a discussion about this paper!