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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0339361 (2008-12-19) |
등록번호 | US-9334557 (2016-05-10) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 13 인용 특허 : 596 |
Alternative sputter target compositions or configurations for thin-film electrolytes are proposed whereby the sputter target materials system possesses sufficient electrical conductivity to allow the use of (pulsed) DC target power for sputter deposition. The electrolyte film materials adopt their r
Alternative sputter target compositions or configurations for thin-film electrolytes are proposed whereby the sputter target materials system possesses sufficient electrical conductivity to allow the use of (pulsed) DC target power for sputter deposition. The electrolyte film materials adopt their required electrically insulating and lithium-ion conductive properties after reactive sputter deposition from the electrically conducting sputter target materials system.
1. A method of fabricating a lithium-ion thin-film electrolyte, comprising providing an electronically conductive sputter target with an electronic conductivity of at least 10−8 S/cm at room temperature;providing a vacuum deposition chamber;sputtering said electronically conductive sputter target; a
1. A method of fabricating a lithium-ion thin-film electrolyte, comprising providing an electronically conductive sputter target with an electronic conductivity of at least 10−8 S/cm at room temperature;providing a vacuum deposition chamber;sputtering said electronically conductive sputter target; anddepositing a lithium-ion thin-film electrolyte in a reactive sputter gas atmosphere. 2. The method of claim 1, wherein said thin-film electrolyte comprises lithium phosphorus oxynitride. 3. The method of claim 1, wherein said lithium-ion thin-film electrolyte comprises at least one element selected from the group of: oxygen, nitrogen, fluorine, chlorine, bromine, iodine, sulfur, selenium, tellurium, phosphorus, arsenic, antimony, bismuth, lead, carbon, hydrogen, silicon, sodium, magnesium, and zirconium. 4. The method of claim 1, wherein said vacuum deposition chamber is not RF compatible. 5. The method of claim 1, wherein said reactive sputter gas atmosphere comprises at least one element selected from the group of: oxygen, nitrogen, fluorine, chlorine, bromine, iodine, sulfur, selenium, tellurium, phosphorus, arsenic, antimony, bismuth, lead, carbon, hydrogen, silicon, lithium, sodium, magnesium, and zirconium. 6. The method of claim 5, further comprising providing said reactive sputter gas atmosphere with said at least one element provided in the form of a gaseous chemical element under sputter deposition process conditions. 7. The method of claim 5, further comprising providing said reactive sputter gas atmosphere with said at least one element provided in the form of gaseous chemical compound under sputter deposition process conditions. 8. The method of claim 1, wherein said conductive sputter target comprises at least one element selected from the group of: oxygen, nitrogen, fluorine, chlorine, bromine, iodine, sulfur, selenium, tellurium, phosphorus, arsenic, antimony, bismuth, lead, carbon, hydrogen, silicon, lithium, sodium, magnesium, and zirconium. 9. The method of claim 1, wherein said conductive sputter target comprises at least one material selected from the group of: lithium phosphide and sub-phosphide (LixP for 1≦x≦100), lithium nitride and sub-nitride (LixN for 3≦x≦100), phosphorus oxide and sub-oxide (POx for x≦2.5), phosphorus nitride and sub-nitride (PNx for x≦1.7), lithium oxide and sub-oxide (LixO for 1≦x≦100), and elemental phosphorus. 10. The method of claim 1, further comprising energizing said conductive sputter target with radio frequency (RF) power within the frequency range between 1 MHz and 1 GHz. 11. The method of claim 1, further comprising energizing said conductive sputter target with alternating current (AC) power within the frequency range between 1 Hz and 1 MHz. 12. The method of claim 1, further comprising energizing said conductive sputter target with direct current (DC) power. 13. The method of claim 1, further comprising energizing said conductive sputter target with pulsed direct current (pulsed DC) power. 14. The method of claim 1, further comprising energizing said conductive sputter target with a mixed power consisting of a combination of RF, AC, pulsed DC, and DC. 15. The method of claim 1, wherein said conductive sputter target exhibits an electronic conductivity of more than 10−4 S/cm at room temperature. 16. The method of claim 1, wherein said conductive sputter target exhibits an electronic conductivity of more than 1 S/cm at room temperature. 17. The method of claim 1, further comprising converting said conductive sputter target material into thin-film electrolyte material at the substrate surface. 18. The method of claim 1, further comprising using more than one conductive sputter target to deposit said thin-film electrolyte. 19. The method of claim 1, further comprising providing one or more non-sputter deposition layers onto a growing film area. 20. The method of claim 1, further comprising providing one or more non-sputter deposition layers onto a growing film area in an alternating periodic fashion. 21. The method of claim 19, further comprising providing said non-sputter deposition from a material source that is either electrically conducting or insulating. 22. The method of claim 1, wherein said conductive sputter target comprising a thickness between 0.6 cm and 5 cm. 23. The method of claim 1, wherein said conductive sputter target comprises target tile segments. 24. The method of claim 23, wherein said target tile segments comprises at least one element selected from the group of: a single-phase material, a multi-phase material, a material composite. 25. The method of claim 23, wherein at least one of said target tile segments is larger than 300 cm2.
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