YAGI Masaaki 八木正昭

Researcher Number	80005371
External Links
Affiliation (based on the past Project Information) *help	2005: Sojo University, Information, Professor, 情報学部, 教授 2003 – 2004: 崇城大学, 工学部, 教授 2000 – 2001: Sojo University, Faculty of Engng., Prof., 工学部, 教授 1993 – 1999: Kumamoto Institute of Technology, Applied Electronics Laboratory for Energy.Prof., 工学部, 教授 1988 – 1992: Miyagi National College of Technology, 電気工学科, 教授 … More 1991: 宮城工業高等専門学校, 教授 1988: Professor,Electrical Engineering Devision,M.N.C.T., 電気工学科, 教授 1986: 宮城工業高等専門学校, 電気工学科, 教授 1986: 宮城工高専, その他, 教授 1985: 宮城工業高専, その他, 教授 Less
Review Section/Research Field	Principal Investigator 電子材料工学 / Electronic materials/Electric materials Except Principal Investigator 科学教育(含教育工学) / 金属加工(含鋳造) / Electronic materials/Electric materials / 電子材料工学
Keywords	Principal Investigator 高周波磁心 / 磁区構造 / 高透磁率 / High initial permeability / Very low core loss / Ultrathin ribbons / Co-based amorphous alloys / 超低磁心損失 / Co基アモルファス合金 / 高周波用 … More / commpressed powder core / powder particles / Fe-based alloys / amorphous / 軟磁性 / ホットプレス / チョークコア / 軟磁性粉末 / アモルファス合金 / 低磁心損失 / Co基アモルファス合金、 / 超低損失磁心 / 極薄アモルファス薄帯 / Magnetic domain patterns / 極薄超薄帯 / 超低損失 / New counterrotating method / Magnetic alloy powder / 加熱冷却二系統回転法 / アトマイズ粉末の製造 / 超急冷磁性合金微粉末 / 加熱・冷却二系統回転法 / 新しいアトマイズ法 / Rare Earth Cobalt Alloys / Rapidly Quenching / 磁石薄帯 / 希土類・コバルト / 超急冷法 / choking coil / low core loss / sintering / cold-pressing / soft magnetic core / amorphous powder / 磁区観察 / 成形体 / 成形磁心 / アモルファス合金粉末 / DC-DC coverter / 固化成形 / 周化成形 / DC-DCコンバータ / 非接触トランス / 粉体成形磁心 / high-frequency core / soft magnetic properties / アモルファス粉末 / 高周波用磁心 / 粉末成形 / Low core loss / High-freuency core / Wall pinning annealing / Transverse field annealing / Co-based amorphous ribbon / 微細磁区構造 / 高周波特性 / 極薄薄帯 / 磁壁ピンニング熱処理 / 薄帯幅方向磁界熱処理 / Co基アモルファス薄帯 / 磁化機構 / Micro magnetic devices / 電子機器電源用高周波磁心 / 薄形トランス,インダクタ / 小形トランス,インダクタ / 高周波用磁気素子 / 極薄Co基アモルファス合金 / 超低損失アモルファス磁心 / アモルファス薄帯 / 高周波磁気特性 / Co基アモルファスト合金 / アモルファス薄帯磁心 / 薄帯磁心 / Co基アモルファススパッタ薄膜 … More Except Principal Investigator researches with trial manufacturing / local electronic engineer / open class / engineering education / 研究システム / 半導体機能素子 / 半導体集積回路 / 試作研究 / 半導体素子製造プロセス / 試作研究システム / 産学交流 / 地域電子技術者 / 公開講座 / 工業教育 / Rapidly solidified metal powder / Centrifugal force / Atomize / 金属粉 / アトマイズ粉 / スーパーアロイ / 遠心法 / 超急冷粉 / アトマイズ / 超耐熱材料 / アトマイズ法 / 高性能組成制御材料 / 高合金粉末 / 超急冷 / insertion loss / FMR frequency / coplanar transmission-line / hybrid thin film / high resistivity / anisotropy field / magnetic device / GHz frequency / 高電気抵抗 / 集積回路 / インダクタ / 高周波透磁率 / 磁心 / 磁性膜 / 電気共鳴周波数 / B元素添加 / スリットパターン / 磁気共鳴周波数 / ナノ構造 / ヘテロアモルファス / 伝送線路 / 超高周波磁気デバイス / GHz帯 / Domain Wall Pinning / Magnetization Rotation / amorphous / Low Loss / High Frequency Magnetic Core / アモルファス極細線 / アモルファス超薄帯 / 磁壁の固着 / 磁化回転 / アモルファス / 低損失 / 高周波磁心 Less

Research Projects
(14 results)
Co-Researchers
(23 People)

Developments of GHz and heterro-amorphous inductor core materials for integrated circuit
- Principal Investigator
  
  MUNAKATA Makoto
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Sojo University
Magnetic properties and domain patterns of amorphous powder cores produced by the cold-pressingPrincipal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Sojo University
Magnetic properties of Compressed amorphous powder cores and their application to DC-DC converters.Principal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Sojo University
Fabrication of Amorphous Powder Perticles by Spinning Water Atomization Process (SWAP), and Development of Compressed Powder Magnetic CoresPrincipal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Kumamoto Institute of Technology
Effects of Transverse Field Annealing to Ribbon Axis and Wall-pinninng Annealing on High-frequency Magnetic Properties of Co-Based Amorphous Cores.Principal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  KUMAMOTO INSTITUTE OF TECHNOLOGY
ULTRATHIN VERY LOW LOSS Co-BASED AMORPHOUS RIBBONS AND DEVELOPMENT OF MICRO MAGNETIC DEVICES.Principal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  1992 – 1993
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  電子材料工学
- Research Institution
  KUMAMOTO INSTITUTE OF TECHNOLOGY
  Miyagi National College of Technology
HIGH-FREQUENCY SOFT MAGNETIC PROPERTIES AND MAGNETIC DOMAIN STRUCTURES OF ULTRATHIN Co-BASED AMORPHOUS RIBBONSPrincipal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  1992 – 1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  電子材料工学
- Research Institution
  KUMAMOTO INSTITUTE OF TECHNOLOGY
  Miyagi National College of Technology
Development of High Frequency Magnetic Cores with Low Loss in Forms of Thin Foil and Wire by Means of Domain Wall Pinning
- Principal Investigator
  
  YAMASAKI Jiro
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  電子材料工学
- Research Institution
  Kyushu Institute of Technology
High Frequency Magnetic Properties and Magnetic Domain Patterns of Ultrathin Co-Based Amorphous Alloy Ribbon CoresPrincipal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  1990 – 1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  電子材料工学
- Research Institution
  Miyagi National College of Technology
移動プラズマ形超高速スパッタ法を用いた高周波用超低損失アモルファス薄帯磁心の開発Principal Investigator
- Principal Investigator
  
  八木正昭
- Project Period (FY)
  1989 – 1991
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research
- Research Field
  
  電子材料工学
- Research Institution
  Miyagi National College of Technology
The development of research system with trial manufacturing integrated semiconductor devices based on a technical college and local electronic engineers
- Principal Investigator
  
  KARASAWA Shinji, 唐沢信司
- Project Period (FY)
  1987 – 1988
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research
- Research Field
  
  科学教育(含教育工学)
- Research Institution
  Miyagi National College of Technology (M.N.C.T.)
Magnetic Alloy Powders fabricated by a New Counterrotating Rapidly Quenching Method and Related Powder PropertiesPrincipal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  1986 – 1987
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research
- Research Field
  
  電子材料工学
- Research Institution
  Miyagi National College of Technology
Development of Atomized Ni-based Powder by Counterrotating Process
- Principal Investigator
  
  TANNO Koichi
- Project Period (FY)
  1986 – 1988
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research
- Research Field
  
  金属加工(含鋳造)
- Research Institution
  MIYAGI NATIONAL COLLEGE OF TECHNOLOGY
Fabrication of Rapidly Quenched Sm-Co and Pr-Co Ribbons for Magnetic Sensors and ActuatorsPrincipal Investigator
- Principal Investigator
  
  YAGI Masaaki
- Project Period (FY)
  1984 – 1985
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research
- Research Field
  
  電子材料工学
- Research Institution
  Miyagi National College of Technology

1. SAWA Takao

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
2. MUNAKATA Makoto (10183112)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
3. YAMASAKI Jiro (40108668)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
4. SASAKI Akihiko (50026308)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. ENDO Isao

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. TANNO Koichi (50042247)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. SASADA Ichiro (20117120)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. MURATA Katsuaki (40040422)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. IKUTA Nobuyuki (50042255)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. WATANABE Ryuzou (20005341)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. TAGUCHI Osamu (30042253)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. KARASAWA Shinji (10042243)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. KOEDA Shouzou (30042229)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 島田寛 (00006157)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 武下拓夫

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 杉森勝宣

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 森本耕一郎

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. MORIMOTO Koichiro

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 木村信夫

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. KIMURA Nobuo

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 唐沢信司

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 東山尚稔

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. HIGASHIYAMA Naotoshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

YAGI Masaaki 八木 正昭

Research Projects

Co-Researchers

Developments of GHz and heterro-amorphous inductor core materials for integrated circuit

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Magnetic properties and domain patterns of amorphous powder cores produced by the cold-pressingPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Magnetic properties of Compressed amorphous powder cores and their application to DC-DC converters.Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Fabrication of Amorphous Powder Perticles by Spinning Water Atomization Process (SWAP), and Development of Compressed Powder Magnetic CoresPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Effects of Transverse Field Annealing to Ribbon Axis and Wall-pinninng Annealing on High-frequency Magnetic Properties of Co-Based Amorphous Cores.Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

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

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

HIGH-FREQUENCY SOFT MAGNETIC PROPERTIES AND MAGNETIC DOMAIN STRUCTURES OF ULTRATHIN Co-BASED AMORPHOUS RIBBONSPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Development of High Frequency Magnetic Cores with Low Loss in Forms of Thin Foil and Wire by Means of Domain Wall Pinning

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

High Frequency Magnetic Properties and Magnetic Domain Patterns of Ultrathin Co-Based Amorphous Alloy Ribbon CoresPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

移動プラズマ形超高速スパッタ法を用いた高周波用超低損失アモルファス薄帯磁心の開発Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

The development of research system with trial manufacturing integrated semiconductor devices based on a technical college and local electronic engineers

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Magnetic Alloy Powders fabricated by a New Counterrotating Rapidly Quenching Method and Related Powder PropertiesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Development of Atomized Ni-based Powder by Counterrotating Process

Principal Investigator

Project Period (FY)

Research Category

Research Field

YAGI Masaaki 八木正昭