Claims
- 1. A magnetic base comprising:
- a first portion, comprising one of a core portion or a core-containing peripheral portion, of an Fe-50% Co alloy; and
- a second portion integral with the first portion and comprising a magnetic circuit-constituting portion of an Fe-Si alloy.
- 2. A magnetic base comprising:
- a first portion, comprising one of a core portion or a core-containing peripheral portion, of an Fe-6.5% Si alloy; and
- a second portion integral with the first portion and comprising a magnetic circuit-constituting portion, of an Fe or an Fe-0-3% Si alloy.
- 3. A magnetic base comprising:
- a first portion, comprising one of a core portion or a core-containing peripheral portion, of a sintering density of 90% or more; and
- a magnetic circuit-constituting portion integral with the first portion and having a sintering density of 80 to 90%.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3-269864 |
Oct 1991 |
JPX |
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Parent Case Info
This application is a division of application Ser. No. 07/961,857, filed Oct. 16, 1992, now U.S. Pat. No. 5,393,484.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
4562092 |
Weich, Jr. |
Dec 1985 |
|
4602952 |
Greene et al. |
Jul 1986 |
|
4602956 |
Partlow et al. |
Jul 1986 |
|
5032352 |
Meeks et al. |
Jul 1991 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
0491950 |
Jul 1992 |
EPX |
8807901 |
Oct 1988 |
WOX |
Non-Patent Literature Citations (3)
Entry |
Patent Abstracts of Japan, vol. 15, No. 174, Jul. 6, 1989 & JP-A-3-039405 (Mitsubishi Heavy Metal Ind KK), Feb. 20, 1991. |
Patent Abstracts of Japan, vol. 15, No. 336, Aug. 20, 1991 & JP-A-3-130306 (Seiki Epson), Jun. 4, 1991. |
Derwent Publications Ltd., London, GB; AN 91-349234 & JP-A-3 232906 (Daido Tokushoko KK), Oct. 16, 1991. |
Divisions (1)
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Number |
Date |
Country |
Parent |
961857 |
Oct 1992 |
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