SUBSTRAE FOR MAGNETIC DISKS, AND MAGNETIC DISK
This Laos Patent “SUBSTRAE FOR MAGNETIC DISKS, AND MAGNETIC DISK” is a public DIP intellectual-property record, filed by HOYA CORPORATION on 2019-08-07; current status: Awaiting formal examination. Identifiers include application No. P/757; DIP id LAP757; protection kind Patent - PCT National Phase. Key dates: publication 2026-02-27. Classification: B24B 1/00、G11B 5/73、G11B 5/84. Inventor(s)/designer(s): Shinji EDA. Abstract hint: A disk'shaped substrate for a magnetic disk has a diameter D of 85 mm. Status labels may change after office actions; refresh or consult primary DIP data before commercial decisions.
P/757
Mark
Key facts
- Type
- Patent
- App. no.
P/757- Status
- Awaiting formal examination
- Applicant
- HOYA CORPORATION
- Agent
- Tilleke & Gibbins Lao Co., Ltd
- Filing date
- 2019-08-07
- Publication
- 2026-02-27
- Protection kind
- Patent - PCT National Phase
- Priority
- JP · 2019-009901 · 2019-01-24；JP · 2018-148923 · 2018-08-07
- Applicant address
- HOYA CORPORATION · 6-10-l Nishi-Shinjuku, Shinjuku-ku, Tokyo 1608347', Japan · JP
- Agent address
- Tilleke & Gibbins Lao Co., Ltd · No. 302, 3rd Floor, Vieng Vang Tower, Unit 15, Boulichan Road, Dongpalan Thong Village, Sisattanak District, Vientiane Capital, Lao PDR · LA
- Nice / IPC classes
- B24B 1/00 · G11B 5/73 · G11B 5/84
- Goods / services
- —
Process
Steps follow the current public status-
Filed
-
Formal examination In progress
-
Substantive examination
-
Published
-
Granted
Related records
Linked from the LaoBiz.com company databaseSimilar Patent
Abstract
A disk'shaped substrate for a magnetic disk has a diameter D of 85 mm
or more and a thickness T of 0.6 mm or less, and a material of the substrate has
5 a Young's modulus E of 90 GPa or more.
A disk'shaped substrate for a magnetic disk has a diameter D of 85 mm
or more and a thickness T of 0.6 mm or less, and a material of the substrate has
5 a Young's modulus E of 90 GPa or more.
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