Title:
フェライトトロイドの製造方法
Document Type and Number:
Japanese Patent JP3995342
Kind Code:
B2
Abstract:
A method of fabricating ferrite toroids used in ferrite phase shifters. The method employs fabrication techniques found in low temperature cofired ceramics (LTCC) tape technology and involves fabricating long rectangular through-holes, as is required by the toroid design, in layers of green ceramic tape and maintaining the integrity of the through-holes during a firing process wherein ferromagnetic ceramic oxide in the tape is converted to ferrite.
Inventors:
Alex E. Bailey
John Chino
Dennis groove
Andrea Carbean
Tapangupta
Ronnie El. Sterling
John Chino
Dennis groove
Andrea Carbean
Tapangupta
Ronnie El. Sterling
Application Number:
JP17008098A
Publication Date:
October 24, 2007
Filing Date:
June 17, 1998
Export Citation:
Assignee:
NORTHROP GRUMMAN CORPORATION
International Classes:
H01F1/34; H01F41/02; H01P1/195; H01P11/00
Domestic Patent References:
| JP5267084A | ||||
| JP2288401A |
Attorney, Agent or Firm:
Shintaro Nogawa