5 Patents
- US123944392025Hard Disk Drive Including Annular Spacer with Inclined Region on Main Surface
HOYA CORPORATION
0 cites - US121452382024Method for Manufacturing Substrate and Method for Manufacturing Substrate for Magnetic Disk
HOYA CORPORATION
0 cites - US120514422024Hard Disk Drive Spacer Having Chamfered Surface and Main Surface with Inclined Region
HOYA CORPORATION
0 cites - 0 cites
- 0 cites