ULTRATHIN VERY LOW LOSS Co-BASED AMORPHOUS RIBBONS AND DEVELOPMENT OF MICRO MAGNETIC DEVICES.

超薄极低损耗钴基非晶带和微磁器件的开发。

• 批准号: 04555072
• 负责人: YAGI Masaaki
• 金额: $ 3.39万
• 依托单位: KUMAMOTO INSTITUTE OF TECHNOLOGY (1993)Miyagi National College of Technology (1992)
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Developmental Scientific Research (B)
• 财政年份: 1992
• 资助国家: 日本
• 起止时间: 1992 至 1993
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-04555072/
• 关键词: Co-based amorphous alloys; Ultrathin ribbons; Very low core loss; High initial permeability; Micro magnetic devices; 極薄アモルファス薄帯; 電子機器電源用高周波磁心; 超低磁心損失; 高透磁率

Ultrathin very low loss Co-based amorphous ribbons were fabricated in vacuum and high-frequency micro power magnetic-devices were studied to make by these ribbons.The samples used were zero magetostrictive ((Fe-Co)Cr_y)_x(Si-B)_<100-x'>(x=75-81), (y=0.05-0.06) amorphous alloys with a thickness of 5-6mum. The results obtained were as follows.Extremely low core loss beyond 100 kHz was attained for the samples with a transverse field annealing. In the case of 6.0 mum thick ((Fe-Co)Cr_<0.06>)_<79>(Si-B)_<21> ribbon cores, the loss at 1 MHz for maximum flux density B_m=0.1T was 700 (mW/cc). This value was about 1/4 of that of Mn-Zn high-frequency ferrites or 5 mum Supermalloy tape wound cores.Furthermore, marked improvements of frequency dependence of initial permeability were also obtained for ((Fe-Co)Cr_y)_x(Si-B)_<100-x'>(x=76-81) ribbons with transverse field annealing.Now, some planer micro transformers or inducters are being produced by these ultrathin amorphous ribbons.

在真空条件下制备了厚度为5- 6 μ m的（（Fe-Co）Cr_y）_x（Si-B）_<100-x '>（x=75-81），（y=0.05-0.06）非晶合金超薄极低损耗薄带，并研究了用该薄带制作高频微功率磁器件。结果表明：横向场退火的样品在100 kHz以上具有极低的铁损。在6.0 μ m厚的（（Fe-Co）Cr_<0.06>）_<79>（Si-B）_<21>带磁芯的情况下，对于最大磁通密度B_m=0.1T，在1 MHz下的损耗为700（mW/cc）。此外，（（Fe-Co）Cr_y）_x（Si-B）_（100-x '&gt;）（x=76-81）非晶薄带经横向场退火后，其初始磁导率的频率依赖性也得到了显著改善，目前已用于生产平面微变压器或电感器。

项目成果

Edited by Y.Sakurai,Y.Hamakawa,T.Masumoto,K.Shirae and K.Suzuki: "CURRENT TOPICS IN AMORPHOUS MATERIALS:PHYSICS & TECHNOLOGY(分担;Amorphous Ribbons,pp.201-205)" NORTH-HOLLAND, 432 (1993)

Y.Sakurai、Y.Hamakawa、T.Masumoto、K.Shirae 和 K.Suzuki 编辑：“非晶材料的当前主题：物理与技术（非晶带，第 201-205 页）” NORTH-HOLLAND，432 (1993) ）

八木: "極薄Co基アモルファス薄帯とその高周波磁気特性" 日本金属学会報. 31. 991-998 (1992)

八木：“超薄钴基非晶带及其高频磁性能”日本金属学会通报31. 991-998（1992）。

沢、中川、八木、井上: "Co基アモルファス極薄薄帯磁心とその応用" 東芝レビュー. Vol.47. 895-898 (1992)

Sawa、Nakakawa、Yagi、Inoue：“钴基非晶超薄带磁芯及其应用”，东芝评论，第 47 卷，895-898（1992 年）。

T.Sawa, K.Nakagawa, N.Yagi and T.Inoue: "Ultrathin Co-Based Amorphous Alloy Cores and Their Applications" TOSHIBA REVIEW. Vol.47. 895-898 (1992)

T.Sawa、K.Nakakawa、N.Yagi 和 T.Inoue：“超薄钴基非晶合金磁芯及其应用”东芝评论。

八木: "極薄アモルファス薄帯とその高周波特性" 日本金属学会会報. 31巻11号. 991-998 (1992)

八木：“超薄非晶带及其高频特性”日本金属研究所通报，第 31 卷，第 11 期，991-998（1992 年）。