ປະ​ເພດ​ຄຳ​ຮ້ອງ
Patent - Foreign
ປະ​ເພດ​ຄຳ​ຮ້ອງຍ່ອຍ
Patent - PCT National Phase
(10) ເລກທີ ແລະ ວັນທີການຈົດທະບຽນ
ສະຖານະ
Filed
(180) ມື້​ໝົດ​ອາຍຸ
(20) ​ເລກທີ ​ແລະ ມື້ ຍື່ນ​ຄຳ​ຮ້ອງ
LA P/899 25.11.2021
(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
(71/73) ຜູ້​ຍື່ນ​ຄຳ​ຮ້ອງ
(74) ຊຶ່ບໍລິສັດຕົວແທນ
(LA) 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
(54) ຫົວຂໍ້
(LA) METHOD FOR MANUFACTURING GLASS PLATE, METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK, METHOD FOR MANUFACTURING MAGNETIC DISK, AND ANNULAR GLASS PLATE
(EN) METHOD FOR MANUFACTURING GLASS PLATE, METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK, METHOD FOR MANUFACTURING MAGNETIC DISK, AND ANNULAR GLASS PLATE
(57) ບົດສັງເຂບ
(LA)

In a method for manufacturing a glass plate that includes chamfering processing for chamfering an edge surface of a glass plate, the chamfering 5 processing includes a step of forming a chamfered surface by irradiating the edge surface of the glass plate with a laser beam, and a step of heating the glass plate before the chamfered surface is formed. When a temperature of the glass blank at which the glass blank is heated is Tp ['C], a glass transition point of the glass blank is Tg ['C], and an average coefficient of linear thermal expansion 10 of the glassblankiso [U"C], (Tg-Tp)S -5.67 x 107. o+840issatisfied.

(58) ການ​ຮຽກຮ້ອງ
ປະເພດຂອງເອກະສານ ວັນທີ ການດໍາເນີນການ
ຊື່ຂອງລາຍການວັນ​ທີສະຖານະ
Filing25.11.2021Filed
PCT National Phase Entry13.06.2023PCT National Phase