Glass discs for magnetic recording and magnetic recording devices using these glass discs
VN10059776BActive Publication Date: 2026-08-03NIPPON ELECTRIC GLASS CO LTD
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Patent Information
- Application Number
- VN1202207767
- Authority / Receiving Office
- VN · VN
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-05-18
- Publication Date
- 2026-08-03
- Estimated Expiration
- 2041-05-18
Abstract
The invention relates to a glass substrate for a magnetic recording device of the form of a disc, having a deformation point from 695°C to 786°C, a temperature at 104°J dPa, a temperature of 1300°C or less, and a niotlun of 78 GPa or greater. The invention relates to a magnetic recording apparatus comprising a glass disc and a glass substrate for a magnetic recording device.
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