GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM AND GLASS SPACER FOR MAGNETIC RECORDING AND REPRODUCING APPARATUS
ກ່ຽວກັບ ສິດທິບັດ «GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM AND GLASS SPACER FOR MAGNETIC RECORDING AND REPRODUCING APPARATUS» ໃນລາວ, ຍື່ນໂດຍ HOYA CORPORATION ໃນວັນທີ 2017-11-14; ສະຖານະ ຈົດທະບຽນແລ້ວ. ຕົວລະບຸ: ເລກທີຄຳຮ້ອງ P/857; ລະຫັດ DIP LAP857; ປະເພດການປົກປ້ອງ Patent - PCT National Phase. ວັນທີສຳຄັນ: ວັນເຜີຍແຜ່ 2025-12-19; ວັນຈົດທະບຽນ/ອະນຸຍາດ 2025-04-22; ວັນໝົດອາຍຸ 2042-10-12. ປະເພດ/ຫ້ອງ: C03C 3/085、C03C 3/087、C03C 3/091、G11B 5/73. ນັກປະດິດ/ນັກອອກແບບ: HASHIMOTO Kazuaki, SATO Koichi. ສະຫຼຸບ: Provided is a glass for magnetic recording rnedium substrate, which is an amorphous oxide glass, wherein, in terms of mol7o, an SiOz conten…. ຂໍ້ຄວາມນີ້ເນັ້ນຕົວເລກ, ວັນທີ, ປະເພດ ແລະ ຜູ້ຍື່ນ ເພື່ອຫຼຸດຄວາມຄ້າຍຄືນລະຫວ່າງໜ້າ IP; ກວດຂໍ້ມູນທາງການກ່ອນຕັດສິນໃຈ.
P/857
ຮູບໝາຍ
ຂໍ້ມູນພື້ນຖານ
- ປະເພດ
- ສິດທິບັດ
- ເລກຄຳຮ້ອງ
P/857- ສະຖານະ
- ຈົດທະບຽນແລ້ວ
- ຜູ້ຮ້ອງຂໍ
- HOYA CORPORATION
- ຕົວແທນ
- Tilleke & Gibbins International Ltd
- ວັນຍື່ນ
- 2017-11-14
- ເລກທະບຽນ
P/857- ວັນເຜີຍແຜ່
- 2025-12-19
- ວັນຈົດທະບຽນ / ອະນຸຍາດ
- 2025-04-22
- ວັນໝົດອາຍຸ
- 2042-10-12
- ປະເພດການປົກປ້ອງ
- Patent - PCT National Phase
- ເລກທີຜ່ານຈົດໝາຍ
- 301 · 2025-04-25
- ບຸລິມະສິດ
- JP · 2016-221389 · 2016-11-14
- ທີ່ຢູ່ຜູ້ຍື່ນ
- HOYA CORPORATION · 6- 1 0- I Nishi-Shinjuku, Shinjuku-ku, Tokyo 1608347 JAPAN · JP
- ທີ່ຢູ່ຕົວແທນ
- 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 · LA
- ປະເພດສາກົນ
- C03C 3/085 · C03C 3/087 · C03C 3/091 · G11B 5/73
- ສິນຄ້າ / ບໍລິການ
- —
ຂັ້ນຕອນ
ໝາຍຕາມສະຖານະປັດຈຸບັນ-
ຍື່ນຄຳຮ້ອງ
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ກວດຮູບແບບ
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ກວດເນື້ອໃນ
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ເຜີຍແຜ່
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ອະນຸຍາດ
ການວິເຄາະກ່ຽວຂ້ອງ
ເຊື່ອມກັບຖານຂໍ້ມູນວິສາຫະກິດ LaoBiz.comສິດທິບັດທີ່ຄ້າຍກັນ
ສະຫລຸບ
Provided is a glass for magnetic recording rnedium substrate, which is an amorphous oxide glass, wherein, in terms of mol7o, an SiOz content ranges from 45 to 680/o; an AlzOr content ranges from 5 to 20o/o; a total content of SiOz and AlzOl ranges from 60 to 80o/r; a BzO: content ranges from 0 to 5o/o; an MgO content ranges from 3 to 28o/o; a CaO content ranges from 0 to I8%o; a total content of BaO and SrO ranges from 0 to 2o/o; a total content of alkali earth metal oxides ranges from 12 to 30o/o; a total content of alkali metal oxides ranges fi'om 3.5 to l5o/o; and at least one kind selected fi'orn the group consisting of Sn oxide and Ce oxide being included, a total content of Sn oxide and Ce oxide ranges from 0.05 to 2.00Yo, a glass transition temperature is equal to or higher than 625"C; a Young's modulus is equal to or more than 83 GPa; a specific gravity is equal to or less than 2.85; and an average linear expansion coeffrcient at 100 to 300oC is equal to or more than 48x l0'7 P
Provided is a glass for magnetic recording rnedium substrate, which is an amorphous oxide glass, wherein, in terms of mol7o, an SiOz content ranges from 45 to 680/o; an AlzOr content ranges from 5 to 20o/o; a total content of SiOz and AlzOl ranges from 60 to 80o/r; a BzO: content ranges from 0 to 5o/o; an MgO content ranges from 3 to 28o/o; a CaO content ranges from 0 to I8%o; a total content of BaO and SrO ranges from 0 to 2o/o; a total content of alkali earth metal oxides ranges from 12 to 30o/o; a total content of alkali metal oxides ranges fi'om 3.5 to l5o/o; and at least one kind selected fi'orn the group consisting of Sn oxide and Ce oxide being included, a total content of Sn oxide and Ce oxide ranges from 0.05 to 2.00Yo, a glass transition temperature is equal to or higher than 625"C; a Young's modulus is equal to or more than 83 GPa; a specific gravity is equal to or less than 2.85; and an average linear expansion coeffrcient at 100 to 300oC is equal to or more than 48x l0'7 P
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