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RF-SPUTTERED CHROMIUM-COBALT FILMS FOR HIGH-DENSITY LONGITUDINAL MAGNETIC RECORDING
被引:11
作者
:
MALONEY, WT
论文数:
0
引用数:
0
h-index:
0
机构:
Sperry Research Center, Sudbury
MALONEY, WT
机构
:
[1]
Sperry Research Center, Sudbury
来源
:
IEEE TRANSACTIONS ON MAGNETICS
|
1979年
/ 15卷
/ 06期
关键词
:
D O I
:
10.1109/TMAG.1979.1060389
中图分类号
:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号
:
0808 ;
0809 ;
摘要
:
Layered chromium-cobalt films having the magnetic and physical properties required for high-density digital recording have been deposited by rf sputtering onto small pyrex samples and onto 35.6-cm (14 in) diameter aluminum substrates. The layered structure consists of a layer of chromium several hundred nanometers thick surmounted by a cobalt layer a few tens of nanometers thick. To permit actual recording measurements, disks were protected with rf-sputtered coatings of chromium, carbon or silicon dioxide about 100 nm thick. RF sputtering offers excellent adhesion and good process control and can deposit non-conducting protective layers. Coercivities from 300 to more than 800 Oe and remanence-thickness products from 0.08 to 0.025 G-cm have been achieved at squarenesses in excess of 0.8. Under testing through a Winchester-type interface, P50 is reduced to 66% at comparable output voltage, signal-to-noise ratio is increased, and harmonic falloff is reduced compared to standard particulate disks. © 1979 IEEE
引用
收藏
页码:1546 / 1548
页数:3
相关论文
共 5 条
[1]
ELECTRON MICROSCOPY ON HIGH-COERCIVE-FORCE CO-CR COMPOSITE FILMS
[J].
DAVAL, J
论文数:
0
引用数:
0
h-index:
0
DAVAL, J
;
RANDET, D
论文数:
0
引用数:
0
h-index:
0
RANDET, D
.
IEEE TRANSACTIONS ON MAGNETICS,
1970,
MAG6
(04)
:768
-&
[2]
EXPERIMENTAL STUDIES USING IN-CONTACT RECORDING ON CHROMIUM-COBALT FILMS
[J].
LAZZARI, JP
论文数:
0
引用数:
0
h-index:
0
机构:
Laboratoire d'Electronique et de Technologie de l’Informatique, Centre d'Etudes Nucleaires de Grenoble, Genoble
LAZZARI, JP
;
MELNICK, I
论文数:
0
引用数:
0
h-index:
0
机构:
Laboratoire d'Electronique et de Technologie de l’Informatique, Centre d'Etudes Nucleaires de Grenoble, Genoble
MELNICK, I
;
RANDET, D
论文数:
0
引用数:
0
h-index:
0
机构:
Laboratoire d'Electronique et de Technologie de l’Informatique, Centre d'Etudes Nucleaires de Grenoble, Genoble
RANDET, D
.
IEEE TRANSACTIONS ON MAGNETICS,
1969,
MAG5
(04)
:955
-&
[3]
THIN EVAPORATED FILMS WITH HIGH COERCIVE FORCE
[J].
LAZZARI, JP
论文数:
0
引用数:
0
h-index:
0
LAZZARI, JP
;
MELNICK, I
论文数:
0
引用数:
0
h-index:
0
MELNICK, I
;
RANDET, D
论文数:
0
引用数:
0
h-index:
0
RANDET, D
.
IEEE TRANSACTIONS ON MAGNETICS,
1967,
MAG3
(03)
:205
-&
[4]
MALONEY WT, 1979, IEEE T MAGN, V15
[5]
NOISE IN DISK DATA-RECORDING MEDIA
[J].
SU, JL
论文数:
0
引用数:
0
h-index:
0
机构:
IBM CORP,GEN PROD DIV LAB,MONTEREY & COTTLE RD,SAN JOSE,CA 95193
IBM CORP,GEN PROD DIV LAB,MONTEREY & COTTLE RD,SAN JOSE,CA 95193
SU, JL
;
WILLIAMS, ML
论文数:
0
引用数:
0
h-index:
0
机构:
IBM CORP,GEN PROD DIV LAB,MONTEREY & COTTLE RD,SAN JOSE,CA 95193
IBM CORP,GEN PROD DIV LAB,MONTEREY & COTTLE RD,SAN JOSE,CA 95193
WILLIAMS, ML
.
IBM JOURNAL OF RESEARCH AND DEVELOPMENT,
1974,
18
(06)
:570
-575
←
1
→
共 5 条
[1]
ELECTRON MICROSCOPY ON HIGH-COERCIVE-FORCE CO-CR COMPOSITE FILMS
[J].
DAVAL, J
论文数:
0
引用数:
0
h-index:
0
DAVAL, J
;
RANDET, D
论文数:
0
引用数:
0
h-index:
0
RANDET, D
.
IEEE TRANSACTIONS ON MAGNETICS,
1970,
MAG6
(04)
:768
-&
[2]
EXPERIMENTAL STUDIES USING IN-CONTACT RECORDING ON CHROMIUM-COBALT FILMS
[J].
LAZZARI, JP
论文数:
0
引用数:
0
h-index:
0
机构:
Laboratoire d'Electronique et de Technologie de l’Informatique, Centre d'Etudes Nucleaires de Grenoble, Genoble
LAZZARI, JP
;
MELNICK, I
论文数:
0
引用数:
0
h-index:
0
机构:
Laboratoire d'Electronique et de Technologie de l’Informatique, Centre d'Etudes Nucleaires de Grenoble, Genoble
MELNICK, I
;
RANDET, D
论文数:
0
引用数:
0
h-index:
0
机构:
Laboratoire d'Electronique et de Technologie de l’Informatique, Centre d'Etudes Nucleaires de Grenoble, Genoble
RANDET, D
.
IEEE TRANSACTIONS ON MAGNETICS,
1969,
MAG5
(04)
:955
-&
[3]
THIN EVAPORATED FILMS WITH HIGH COERCIVE FORCE
[J].
LAZZARI, JP
论文数:
0
引用数:
0
h-index:
0
LAZZARI, JP
;
MELNICK, I
论文数:
0
引用数:
0
h-index:
0
MELNICK, I
;
RANDET, D
论文数:
0
引用数:
0
h-index:
0
RANDET, D
.
IEEE TRANSACTIONS ON MAGNETICS,
1967,
MAG3
(03)
:205
-&
[4]
MALONEY WT, 1979, IEEE T MAGN, V15
[5]
NOISE IN DISK DATA-RECORDING MEDIA
[J].
SU, JL
论文数:
0
引用数:
0
h-index:
0
机构:
IBM CORP,GEN PROD DIV LAB,MONTEREY & COTTLE RD,SAN JOSE,CA 95193
IBM CORP,GEN PROD DIV LAB,MONTEREY & COTTLE RD,SAN JOSE,CA 95193
SU, JL
;
WILLIAMS, ML
论文数:
0
引用数:
0
h-index:
0
机构:
IBM CORP,GEN PROD DIV LAB,MONTEREY & COTTLE RD,SAN JOSE,CA 95193
IBM CORP,GEN PROD DIV LAB,MONTEREY & COTTLE RD,SAN JOSE,CA 95193
WILLIAMS, ML
.
IBM JOURNAL OF RESEARCH AND DEVELOPMENT,
1974,
18
(06)
:570
-575
←
1
→