ປະ​ເພດ​ຄຳ​ຮ້ອງ
Patent - Foreign
ປະ​ເພດ​ຄຳ​ຮ້ອງຍ່ອຍ
Patent - Foreign
(10) ເລກທີ ແລະ ວັນທີການຈົດທະບຽນ
ສະຖານະ
Filed
(180) ມື້​ໝົດ​ອາຍຸ
(20) ​ເລກທີ ​ແລະ ມື້ ຍື່ນ​ຄຳ​ຮ້ອງ
LA P/839 2022.07.27
(40) ​ເລກທີ ​ແລະ ວັນ​ທີ​ເຜີຍ​ແຜ່
(86) ເລກທີ ແລະ ວັນທີ ເອກະສານ PCT
(87) and Date ເລກທີ ແລະ ວັນທີ່ ເຜີຍແຜ່ PCT
(85) ວັນ​ທີເອກະສານ​ເຂົ້າ
(30) ລາຍລະອຽດບຸລິມະສິດ
(74) ຊຶ່ບໍລິສັດຕົວແທນ
(LA) Tilleke & Gibbins International Ltd : No. 302/1B, 3rd Floor, Vieng Vang Tower, Unit 15, Boulichan Road, Dongpalan Thong Village, Sisattanak District, Vientiane Capital, Lao PDR
(54) ຫົວຂໍ້
(LA) Glass Spacer and Hard Disc Drive Device
(EN) Glass Spacer and Hard Disc Drive Device
(57) ບົດສັງເຂບ
(EN)

In order to suppress the occurrence of adhesion between magnetic disks and spacers when the
magnetic disks and the spacers are removed from a hard  disk drive apparatus in which the
magnetic disks and the spacers are installed, a surface roughness Ra of a main surface of a ring-shaped glass spacer to be arranged in contact with a magnetic disk is set to be not larger than 1.0
pm, and an average inclination RAa of the main surface is set to be at least 0.02.  

(LA)

In order to suppress the occurrence of adhesion between magnetic disks and spacers when the
magnetic disks and the spacers are removed from a hard  disk drive apparatus in which the
magnetic disks and the spacers are installed, a surface roughness Ra of a main surface of a ring-shaped glass spacer to be arranged in contact with a magnetic disk is set to be not larger than 1.0
pm, and an average inclination RAa of the main surface is set to be at least 0.02. 

(58) ການ​ຮຽກຮ້ອງ
ປະເພດຂອງເອກະສານ ວັນທີ ການດໍາເນີນການ
ຊື່ຂອງລາຍການວັນ​ທີສະຖານະ
Filing2022.07.27Filed
Filing2022.09.05Filed