Title :
High-temperature superconducting magnetic shields formed by deep drawing
Author :
Johnson, D.F. ; Opie, D.B. ; Schone, H.E. ; Lanagan, M.T. ; Stevens, J.C.
Author_Institution :
Dept. of Phys., Coll. of William & Mary, Williamsburg, VA, USA
fDate :
3/1/1996 12:00:00 AM
Abstract :
A new method for the construction of high-temperature superconducting magnetic shielding structures has been demonstrated. With this process, a ceramic laminate of high-temperature superconducting powder and silver metal sheets is formed and then shaped into a cylindrical magnetic shield by deep drawing before being sintered. Two types of superconducting powders were used in this experiment, YBa/sub 2/Cu/sub 3/O/sub 7/ and Bi/sub 1.8/Pb/sub 0.4/Sr/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/, which exhibited shielding factors of 1100 and 330, respectively.
Keywords :
drawing (mechanical); electron device manufacture; high-temperature superconductors; laminates; magnetic shielding; powders; sintering; superconducting devices; Ag; Ag metal sheets; Bi/sub 1.8/Pb/sub 0.4/Sr/sub 2/Ca/sub 2/Cu/sub 3/O-Ag; HTS magnetic shielding structures; HTSC magnetic shields; YBa/sub 2/Cu/sub 3/O/sub 7/-Ag; ceramic laminate; cup sintering; cylindrical shield; deep drawing; high-temperature superconductors; superconducting powders; Ceramics; High temperature superconductors; Magnetic field measurement; Magnetic shielding; Powders; SQUIDs; Silver; Substrates; Superconducting magnets; Thick films;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
